Green Ninja is trying to find every half marathon, marathon and longer distance out there to put into our race calendar.

January

2012-01-07 Mountainside, New Jersey (map)
Watchung Winter Ultra and Marathon
2012-01-07 Elkton, Maryland (map)
Phunt Runs

Held just outside of Newark, Delaware in the Fair Hill Natural Area, these minimal-support runs take place at the beginning of the year when the trails are either snowy, icy, muddy, or all three!

2012-01-07 Bandera, Texas (map)
San Antonio Trail Running
Bandera Trail Races 62, 31, or 15 miles of hills, rocks, spiky plants, and unpredictable weather
2011-01-09 Mandeville, Louisiana (map)
New Orleans Trail Running
Q50 Louisiana

The Q50 Louisiana 50K and 10 mile fun run will be held in Fontainebleau State Park on the north shore in January 2011. The October 2010 date was postponed. The course is a mixture of trail, bike path on the Tammany Trace, and road surface in Mandeville.

2013-01-12 Las Vegas, Nevada (map)
Las Vegas Running
Running from an Angel Marathon,1/2,10K,5K&50 miler Much cooler version of the Running with the Devil marathon in July
2013-01-13 Peninsula, Ohio (map)
Run for Regis Cuyahoga Valley National Park in the Snow!
2012-01-14 Honolulu, Hawaii (map)
HURT 100 Mile Trail Run Crazy jungle loops with roots, roots, and mud
2012-01-15 Big Bend National Park, Texas (map)
Big Bend Ultra Run Run through Big Bend National Park on jeep roads
2011-01-22 Hilo, Hawaii (map)
Hilo to Volcano Ultra Self-supported road ultra climbs up and up and up!
2011-01-23 Pacifica, California (map)
Pacifica Trail Run
2013-01-27 Needville, Texas (map)
Houston Trail Running
Brazos Bend Trail Races Run with the alligators at Brazos Bend State Park outside Houston!

February

2012-02-04 Huntsville, Texas (map)
Houston Trail Running
Rocky Raccoon 100 Mile and 50 Mile Trail Race One of the best 100 mile trail races, Rocky is known for its runnable course
2011-02-05 Eastsound, Washington (map)
Orcas Island 50K Singletrack trail with about 8,000 feet of elevation gain in the 50K
2011-02-12 Stinson Beach, California (map)
Steep Ravine
2011-02-13 Los Osos, California (map)
Montana de Oro Trail Run
2012-02-18 Surfside Beach, Texas (map)
Houston Running
Surfside Beach Marathon Run on the beach on the sand - not as challenging as you think!
2012-02-18 Whitesboro, Texas (map)
Fort Worth Trail Running, Dallas Trail Running
Cross Timbers Trail Run Out and Back, Up and Down Trail Run on the shores of Lake Texoma
2011-02-19 Forest Grove, Oregon (map)
Hagg Lake Trail Runs Mud, mud, mud on the singletrack trails around the lake!
2011-02-20 Castro Valley, California (map)
Chabot Trail Run
2012-02-25 Black Mountain, North Carolina (map)
Black Mountain Marathon and Mount Mitchell Challenge Run up and down Mount Mitchell in February
2012-02-26 Fort Worth, Texas (map)
Fort Worth Running
Cowtown Marathon The bigger of the two marathons in Fort Worth
2011-02-26 Tulsa, Oklahoma (map)
Tulsa Trail Running
Post Oak Lodge 50K, 25K, and 10K Trail Race

The Post Oak Lodge Challenge is two days of events. On the first day, there are going to be three trail races on the Post Oak Lodge property - a 50K, 25K, and a 10K. The second day will be part road and part paved Katy trail rails-to-trails with the Post Oak Lodge marathon, half marathon, and quarter marathon.

2011-02-26 Malibu, California (map)
La Jolla Canyon Trail Run
2011-02-26 Bluffton, South Carolina (map)
Savannah Trail Running
Black Vulture Trail Race Out and backs make up this ultra race on the New River Linear Trail

March

2011-03-04 Baton Rouge, Louisiana (map)
New Orleans Trail Running
Rouge Orleans Ultramarathon

The Rouge Orleans Ultramarathon is a 126.2 mile ultramarathon and relay that starts in Baton Rouge and runs to New Orleans. The course is the top of the levee along the Mississippi river. The inaugural running of the race will be March 4, 2011. The race start will be in waves - the slowest participants will have 42 hours to complete the race - 2pm on Sunday.

2012-03-03 Rocksprings, Texas (map)
Nueces Endurance Trail Run Rugged little Texas Race by the headwaters of the Nueces River
2012-03-03 Laurel, Mississippi (map)
New Orleans Trail Running
Mississippi 50 Trail Run Switch distances up or down during the race
2012-03-03 Pacifica, California (map)
Montara Mountain Trail Run Undisturbed coastal mountain habitat on the Peninsula
2012-03-03 San Angelo, Texas (map)
Crazy Desert Trail Race Brand new trail race in San Angelo State Park
2011-03-05 Damascus, Maryland (map)
Seneca Creek Greenway Trail Marathon and 50K Point to point along a DC-area trail
2011-03-05 Rocky River, Ohio (map)
Green Jewel 50K Fun run through Cleveland's Metro Park System
2011-03-05 Spokane, Washington (map)
Centennial Trail Run DIY ultra from Idaho to Sontag park on the asphalt Centennial Trail
2011-03-06 Snohomish, Washington (map)
Lord Hill Trail Run 50K is three 1-mile figure 8 loops at Lord Hill
2011-03-12 San Antonio, Texas (map)
San Antonio Trail Running
Prickly Pear 50K and 10 Miler Fast beginner-friendly trail race in McAllister Park
2011-03-12 Grand Rivers, Kentucky (map)
Land Between the Lakes Trail Run Earn a buckle in the 50 mile and 60K trail runs
2011-03-12 Waco, Texas (map)
Fort Worth Trail Running, Dallas Trail Running
Toughest N Texas Waco 50K Waco's Cameron Park Hills are relentless
2011-03-12 Cascade Locks, Oregon (map)
Gorge Waterfalls 50k Columbia River Gorge Trail Run that starts with a 1500 foot gain
2011-03-19 Long Valley, New Jersey (map)
New Jersey Ultra Festival
2011-03-19 Pelham, Alabama (map)
Birmingham Trail Running
Oak Mountain 50K 50K++ miles, almost 4,000 feet of elevation gain in Oak Mountain State Park
2011-03-19 Bellingham, Washington (map)
Chuckanut 50k The 19th year of this race will be the best!
2012-03-24 Dade City, Florida (map)
Dances with Dirt Green Swamp
2012-03-24 Decatur, Texas (map)
Fort Worth Trail Running, Dallas Trail Running
Grasslands Trail Runs Weather can make this race in the LBJ Grasslands a slog!
2011-03-27 Peninsula, Ohio (map)
Fools 50K Trail Run

April

2011-04-02 Smithville, Texas (map)
Austin Trail Running
Hells Hills Formerly the Rocky Hill Ranch 50, this race is all singletrack and hills
2011-04-02 Bluffton, South Carolina (map)
Savannah Trail Running
Stay Hydrated Ultra Couple of distances to choose from for this trail race
2011-04-03 Ellensburg, Washington (map)
Yakima Skyline Rim 50k Escape from the winter gloom and mud into the sunny side of life on the east side of the Cascades
2012-04-07 Marquette, Kansas (map)
Rockin K Trail Runs Classic trail run through a tougher-than-expected course
2011-04-09 Huntsville, Texas (map)
Houston Trail Running
Hog's Hunt 50K Piney woods run through Huntsvile State Park
2011-04-10 Sisters, Oregon (map)
Peterson Ridge Rumble Trail Run Run in the Oregon Cascades on fun trails
2011-04-10 Sammamish, Washington (map)
Soaring Eagle Trail Run 10 mile loops on singletrack
2011-04-16 Port Gamble, Washington (map)
Lumberjack Endurance Runs 12.5 mile loops in the Port Gamble forest reserve
2011-04-16 Little Rock, Arkansas (map)
Little Rock Trail Running
Ouachita 50 Trail Race Up and over Pinnacle Mountain on the way out, luckily not on the way back
2011-04-17 Loudonville, Ohio (map)
Forget the PR, Mohican 50k All 50K finishers get a belt buckle!
2011-04-17 Spokane, Washington (map)
Spokane River Run Off-Road Run through Riverside State Park
2012-04-21 Las Vegas, Nevada (map)
Las Vegas Running
Labor of Love 100M, 50M, 50K, Marathon, 1/2, & 10K
2012-04-21 Lawrence, Kansas (map)
Free State Trail Runs

The Free State Trail Runs consist of 100 Kilometer, 40 Mile, and a marathon, all on the muddy, messy trails of the Clinton Lake State Park in Lawrence, Kansas.

2011-04-23 Issaquah, Washington (map)
Squak Mountain Trail Runs Fun singletrack near Seattle
2011-04-23 Yellow Springs, Ohio (map)
Tie Dye 50K Used to be known as the John Bryan 50K
2012-04-28 Willard, Missouri (map)
Frisco Railroad Run Follow in the tracks of the Frisco Railroad on this gravel trail
2012-04-29 Pinckney, Michigan (map)
Running Fit Trail Marathon Join 1,200 Michigan runners for a romp in the woods

May

2012-05-05 Bear Mountain, New York (map)
North Face Endurance Challenge at Bear Mountain 50 Mile, 50K, and Marathon Two days of trail running fun
2012-05-05 Geyserville, California (map)
Warm Springs Trail Run Out and back trail run at Lake Sonoma, north of SF
2011-05-07 Bellingham, Washington (map)
Lost Lake 50K Trail race where the Cascades meet the Pacific Ocean
2011-05-07 Circleville, Ohio (map)
50s For Yo Momma Nice 4 mile trail loop for Mothers Day Weekend!
2012-05-12 Gnaw Bone, Indiana (map)
Dances with Dirt Gnaw Bone
2012-05-12 Oakland, California (map)
Cinderella Trail Run
2011-05-14 Corvallis, Oregon (map)
McDonald Forest 50K 6700 feet of elevation gain makes this a tough West Coast 50K
2010-05-15 Reno, Nevada (map)
Silver State Striders 50/50 Endurance Run
2012-05-19 Potosi, Missouri (map)
Berryman Trail Races Trail 50 mile and marathon - two loops or 1, with a creek crossing
2011-05-21 Laurelville, Ohio (map)
Tar Hollow 50
2011-05-22 Winthrop, Washington (map)
Sun Mountain Trail Races Run with the sunflowers on Sun Mountain!
2011-05-27 Melbourne, Florida (map)
Wickham Park Marathon Don't expect the Disney Marathon crowds here
2012-05-27 Laramie, Wyoming (map)
Wyoming Marathon and Rocky Mountain Double Marathon Oldest Marathon in Wyoming is a classic held mostly on dirt roads near Laramie

June

2012-06-02 Sterling, Virginia (map)
North Face Endurance Challenge Washington DC Highlight might be the Great Falls of the Potomac
2012-06-02 Clayton, California (map)
Diablo Marathon and 60K Technical trail race on the highest mountain in the Bay Area
2011-06-04 Englewood, Ohio (map)
Another Dam 50K Run 4 loops within Englewood Metro Park
2011-06-04 Benton, Arkansas (map)
Hobbs War Eagle TailTwister Trail Races Your chance to do a trail race through Hobbs State Park
2011-06-11 Renton, Washington (map)
Lake Youngs Ultra Three loops around Lake Youngs for about 29 miles
2011-06-17 Dayton, Wyoming (map)
Big Horn Trail Run Beautiful trail run through the Bighorn Mountains
2012-06-16 Ellerbe, North Carolina (map)
Boogie Races Very rural marathon and ultra
2011-06-17 Abilene, Texas (map)
Summer Solstice Endurance Run 3 or 6 hour timed run at night on a 1 mile paved asphalt loop
2012-06-16 Loudonville, Ohio (map)
Mohican Trail Races Great first time 100 mile or 50 mile trail race, or do the new marathon
2011-06-25 Florence, Wisconsin (map)
Keyes Peak Marathon From the producers of the Grand Island Trail Marathon
2011-06-25 Laramie, Wyoming (map)
24 Hours of Laramie and Laramie 100 5.9 mile loops in Medicine Bow National Forest for 24 hours or 100 miles
2011-06-25 Cle Elum, Washington (map)
Cle Elum Ridge 50K 7000 feet of elevation gain on the 50K trail race

July

2011-07-01 Tulsa, Oklahoma (map)
Tulsa Running
Midnight Madness 50 Miler

Come run 50 miles on five loops on the paved Arkansas River Trail in Tulsa!

2011-07-02 Snohomish, Washington (map)
Lord Hill Trail Run Summer version of the Spring Lord Hill Trail Run
2012-07-07 Santa Cruz, California (map)
San Lorenzo Trail Run
2011-07-09 Merrimac, Wisconsin (map)
Madison Trail Running
Dances with Dirt Devil's Lake Wisconsin Granite steps, blue lakes, mud, forests, what more do you want?
2011-07-09 Mount Ashland, Oregon (map)
Siskiyou Outback Trail Runs Run along the Pacific Crest Trail in a 50K and 15K!
2011-07-15 Scandia, Kansas (map)
Lunar Trek Run

The Lunar Trek Run is a night-time run on gravel and dirt roads in Scandia, Kansas with loops of 10K, 11 miles, 22 miles, 31 miles, 40 miles, and 100K.

2011-07-16 Carson City, Nevada (map)
Tahoe Rim Trail Endurance Runs Amazing views of Lake Tahoe, Red House Loop is tough, though!
2011-07-16 Cleveland, Ohio (map)
Buckeye Trail 50K Out and back on singletrack with 2500 feet of elevation gain
2011-07-16 Fort Worth, Texas (map)
Fort Worth Running
El Scorcho Run 50K/25K 5 or 10 loops around Trinity Park. At Midnight. In July. For Charity.
2011-07-16 Sausalito, California (map)
Headlands 50 Miler and Marathon Great trails on the other side of the Golden Gate Bridge from SF
2011-07-16 Burnet, Texas (map)
Austin Trail Running
Captain KARLS The Lake 60K 30K 10K Loops on a technical course at Inks Lake State Park
2011-07-29 Wakefield, Massachusetts (map)
Around the Lake Races Run around around scenic Lake Quannapowitt for 24 hours, 12 hours, or a marathon
2011-07-30 Willoughby Hills, Ohio (map)
Burning River 100 Mile Endurance Run 75% Trail, the Burning River 100 goes through Cuyahoga Valley National Park
2011-07-30 Clackamas Lake, Oregon (map)
Mount Hood 50 Out and back on the Pacific Coast Trail
2011-07-30 Crystal Mountain, Washington (map)
White River 50 Mile Run 8700 feet of elevation gain await you in this Northwest classic!

August

2011-08-06 Issaquah, Washington (map)
Grand Ridge Trail Runs Great trail race in the summer on mostly singletrack
2011-08-06 Johnson City, Texas (map)
Austin Trail Running
Captain KARLS The Falls 60K 30K 10K 30K loops make this Capt Karls race more fun than the others!
2012-08-11 Woodside, California (map)
Crystal Springs Trail Run
2011-08-13 Rachel, Nevada (map)
Las Vegas Running
E.T. Full Moon Midnight Marathon, 1/2, 10K, & 51K

This unique run takes place at night in the high desert of Nevada, 2 and a half hours from Las Vegas. You get to run by Area-51 on the Extraterrestrial Highway to the "Little A'le'Inn" in Rachel Nevada, just in time for breakfast there and a bus ride back to Vegas.

2012-08-18 Oakland, California (map)
Cinderella Trail Run
2011-08-20 Willamette Pass, Oregon (map)
Where's Waldo 100K Hard mountain ultra, perfect for training for the big 100 milers
2012-08-25 Manistee, Michigan (map)
North Country Trail Run Largest finisher medal in Michigan!
2011-08-27 Spicewood, Texas (map)
Austin Trail Running
Captain Karls SHOE 10K, 30K, 60K Trail Race 60K is 4 loops at night on some nice flowing singletrack by Lake Travis
2011-08-27 Easton, Washington (map)
Cascade Crest 100 Mile Run 100 Mile loop through the Cascade Mountain - registration fills in minutes
2011-08-27 Kansas City, Missouri (map)
North Face Endurance Challenge Kansas City This North Face Endurance Challenge is on the road!
2011-08-28 Silverton, Colorado (map)
Silverton Alpine Marathon Follow the Alpine Loop jeep roads through ghost towns

September

2010-09-01 Black Rock City, Nevada (map)
Black Rock City 50k

Burning Man's first official ultramarathon, for those of you crazy enough to do Burning Man *and* have enough energy to still run 50K in the desert! It's not clear from the race description whether you have to be registered for Burning Man, but it looks like you do.

2011-09-03 Alta, Wyoming (map)
Grand Teton Races Run through the back side of the Teton Range at Grand Targhee Resort
2010-09-04 Buckeye, Arizona (map)
Phoenix Running
Buckeye Marathon, 50 Mile, 100k, and 100 Mile Runs

The Buckeye Marathon, 50 Mile, 100k, and 100 Mile Runs have an interesting format - 500 meter laps that switch directions every 2 hours. The 100 Mile run starts Saturday morning at 6am, and the other races start in the evening to stay out of the heat. All races end Sunday at noon, making this a great opportunity to get a 100K or 50 mile finish - 18 and 17 hours respectively.

2012-09-08 Lawrence, Kansas (map)
Lawrence Trail Hawks Hundred 50 Mile and Marathon Trail Runs Third year for this Clinton Lake race
2011-09-10 Pinckney, Michigan (map)
Run Woodstock Trail Races Peace, love, and running (but shorter)
2011-09-10 Blue River, Oregon (map)
McKenzie River Trail Run One of the oldest ultramarathons in the Pacific Northwest
2011-09-10 Leavenworth, Washington (map)
Plain 100 Mile Run Only for experienced 100 mile runners
2010-09-11 Winona Lake, Indiana (map)
Lake City Marathon

Unfortunately, this marathon is on hiatus in 2011.

2012-09-11 Olathe, Kansas (map)
Patriot's Run

This race has a very interesting format - the race starts at noon and runs for 9 hours and 11 minutes to commemorate the victims of the 9/11 terrorist attack. If you're interested in a marathon, they have a certified number of laps for a marathon.

2012-09-15 Eagle, Wisconsin (map)
Madison Trail Running
North Face Endurance Challenge Wisconsin Run in the Kettle Moraine
2011-09-17 Tulsa, Oklahoma (map)
Turkey & Taturs 50K/25K/10K Trail Race

This trail race is fun every year - held on Turkey Mountain in the Tulsa Area, don't get lost, just follow the markings!

2011-09-17 Youngstown, Ohio (map)
Youngstown Ultra Trail Classic
2011-09-17 Ashland, Oregon (map)
Pine to Palm 100 Wiiliams to Ashland through the Siskiyou Mountains
2011-09-17 Cleveland, Ohio (map)
NorthCoast 24 Hour Endurance Run Slightly under a mile paved loop on the shores of Lake Erie
2011-09-17 Logan, Ohio (map)
Hocking Hills Indian Run Suprising hills in a rugged corner of Ohio
2011-09-19 Clayton, California (map)
Diablo Trail Run
2012-09-22 Fairbanks, Alaska (map)
Equinox Marathon and 50K Great autumn scenery on Ester Dome, but respect the chute!
2012-09-22 Priest Lake, Idaho (map)
Priest Lake Marathon Dirt Forest Service roads in the Panhandle National Forest
2011-09-24 Granite Bay, California (map)
Sierra Nevada Endurance Runs

The Sierra Nevada Endurance Runs are an out and back double marathon, point-to-point trail marathon, and an out and back 12-K trail race in Granite Bay, CA. All races go along the North Fork of the American River, similar to some of the trails on the American River 50 and Western States 100 races.

2010-09-24 Pinckney, Michigan (map)
Run Woodstock Hallucination 100 Mile and 100 K Peace, love, and running all night!
2011-09-24 Sundance, Wyoming (map)
Sundance Trail Run Trail race through Bearlodge Mountain
2010-09-25 Mineral Wells, Texas (map)
Fort Worth Trail Running
Run From the Ducks 8 hour run around a 0.854 mile loop in Clark Botanical Gardens

October

2010-10-02 Las Vegas, Nevada (map)
Las Vegas Trail Running
Desert Dash Trail Run

The Desert Dash Trail Run is an October trail run on the west side of Las Vegas in the Cottonwood Valley part of Red Rocks. The race offers a 50K trail ultramarathon, which is new for the Vegas area, as well as a 5K, 10K, and half marathon. There are no cut-offs for the race, so they are walker friendly.

2012-10-06 Greensboro, North Carolina (map)
Triple Lakes Trail Race Run on the Greensboro Watershed Trails
2012-10-07 Dannemora, New York (map)
Jailbreak Trail Marathon
2012-10-13 Pine Mountain, Georgia (map)
North Face Endurance Challenge Atlanta 50 Mile, 50K, and Marathon
2011-10-15 Canyon, Texas (map)
Palo Duro Trail Races Trail run through Palo Duro Canyon, the Grand Canyon of Texas
2011-10-15 Auburn, California (map)
Rockn River 50 Mile and Marathon Auburn to Sacramento along the American River
2012-10-20 Vernon Hills, Illinois (map)
Chicago Running
Des Plaines River Trail Races Fall Chicagoland ultra marathon on crushed gravel trails
2011-10-22 Calabasas, California (map)
Malibu Canyon Trail Run
2010-10-23 Oklahoma City, Oklahoma (map)
Oklahoma City Trail Running, Oklahoma City Running
24 The Hard Way - Double Dirty Dozen

In its second year, 24 The Hard Way is a timed race held on two different courses at Bluff Creek Park at the same time. 24 The Hard Way is held on a 1-mile paved loop, and is a road race, and the Double Dirty Dozen is held on a 1 mile singletrack trail loop at the same location.

This means your road running friends and your trail running friends can get together and run for 24 hours in the same place!

2010-10-23 Anchorage, Alaska (map)
Anchorage Running
Zombie Marathon/Half Marathon and Undead Ultra 50K
2011-10-23 Cincinnati, Ohio (map)
Stone Steps 50K The toughest trail race in Cincinnati
2011-10-29 Bandera, Texas (map)
Austin Trail Running, San Antonio Trail Running
Cactus Rose 100 and 50 Mile Race Rocks, rocks, and more rocks - this hilly hundred miler will eat you up
2010-10-30 Savage, Minnesota (map)
Minneapolis/St Paul Trail Running
Surf the Murph! 25K, 50K, and 50 Mile Race

The Surf the Murph! 25K, 50K, and 50 Mile Race will be held 45 minutes outside of Minneapolis in Murphy-Hanrehan Park, 15501 Murphy Lake Road, Savage, MN 55378.

2011-10-30 Peninsula, Ohio (map)
Run with Scissors One or Two Marathon Loops within Cuyahoga Valley National Park
2010-10-30 St Paul, Oregon (map)
Autumn Leaves Run 10K Loops on bikepath and trail in Champoeg State Park
2010-10-31 Flintstone, Maryland (map)
Fire on the Mountain 50K Trail Run

November

2012-11-03 Ipswich, Massachusetts (map)
Stone Cat Trail Races
2011-11-05 Huntsville, Texas (map)
Houston Trail Running
Rocky Raccoon 50K Little Rocky Raccoon Ultramarathon also packs a big punch
2012-11-04 Fresno, California (map)
Two Cities Marathon Run Sunday morning, spend Sunday evening in Yosemite!
2010-11-06 Vevay, Indiana (map)
Taterbug 30 Ultramarathon Hilly, fun, fall road ultramarathon through a beautiful part of Indiana
2011-11-12 Shreveport, Louisiana (map)
Louisiana Trails Missions 50K, Marathon, Half Marathon

This race is run on trails in Eddie Jones Park in Shreveport, Louisiana.

2011-11-12 Grapevine, Texas (map)
Fort Worth Trail Running, Dallas Trail Running
Rockledge Rumble Tough little run on the North Shore of Lake Grapevine
2011-11-12 Morro Bay, California (map)
Spooner's Cove Trail Run
2010-11-13 Coyote Springs, Nevada (map)
Las Vegas Trail Running
Coyote Springs 50K, Half-Marathon and 10K

The Coyote Springs 50K, Half-Marathon and 10K is going to be held November 13, 2010 in the new Coyote Springs master-planned community 50 miles north of Las Vegas. The development has a trail system that Desert Sky Adventures is using to put on the ultramarathon.

Entrants get a nice technical T-shirt and a medal, with a BBQ feast after you finish.

Desert Sky Adventures puts on excellent races, so don't worry about getting lost just because this is a first year race.

2010-11-13 Upper Marlboro, Maryland (map)
Rosaryville Veterans Day 50K
2011-11-19 Warda, Texas (map)
Wild Hare Trail Run Fun run in the Lost Pines on sweet singletrack
2010-11-20 Beaufort, South Carolina (map)
Mad Marsh 30 Miler and 22 Miler Go loopy at this new, flat, sand and gravel and shell course
2010-11-27 Ruston, Louisiana (map)
Big Dog Trail Runs

The Big Dog Trail runs are held the Saturday of Thanksgiving weekend, with a 50K, 20 mile loop, a 10 mile loop and a 5 mile loop on nice singletrack in Lincoln Parish Park in Ruston, Louisiana.

2010-11-27 Milledgeville, Georgia (map)
Bartram Forest Marathon and 50K

December

2012-12-01 Sausalito, California (map)
North Face Endurance Challenge San Francisco
2011-12-03 Ville Platte, Louisiana (map)
New Orleans Trail Running
Cajun Coyote Trail Races For 2011, the race is adding a 100 mile run!
2011-12-03 Austin, Texas (map)
Austin Trail Running
Run Like the Wind Timed 24, 12, or 6 hour run on a 1 km mulchy trail
2010-12-05 Cambridge, Ohio (map)
Bigfoot Trail 50k Run 50K by yourself or with two of your friends at Salt Fork State Park
2011-12-10 Burnet, Texas (map)
Austin Trail Running
El Sendero Endurance Trail Race First ultramarathon out at Reveille Peak Ranch
2010-12-11 Huntsville, Texas (map)
Houston Trail Running
Texas Trail Runs Sunmart may be gone, but the spirit of Huntsville trail running lives on
2011-12-26 Muir Beach, California (map)
Coyote Ridge Trail Run Run out of Muir Beach the day after Christmas
2010-12-31 San Francisco, California (map)
New Year's One Day Run