Texas is home to many of the world's most spectacular ecoregions. The Texas Trail Running Eco Series takes you to the ocean's sandy beaches, through canyons, dense forests, sprawling prairies and over hills and mountains. All in Texas. Now, you can take the most diverse trail running experience to the next level and compete in the Ultra Cup and Eco Challenge with a chance to earn awards.

2023 REGISTRATION OPEN - Nestled in the historic Davis Mountains, this race starts on the legendary San Antonio-El Paso Road in the heart of Fort Davis National Historic Site.

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From Fort Davis you'll climb a rocky, single track into the Davis Mountains as they enter Davis Mountains State Park. As the vast panorama opens up, you'll take in the thin mountain air at over a mile high. For those that go into the night, you'll gaze at the same wide open, dark sky studied by the nearby McDonald Observatory.

2023 REGISTRATION IS OPEN - The Austin Falls Ultra is the perfect mix of a destination Ecoregion Race and an Urban Trail Race. This race takes place in the McKinney Falls State Park, only minutes from downtown Austin. Within the naturally rugged trails of the Texas hill country, you’ll navigate a technical single track trail protected by lush green foliage and diverse scenery. Rolling and winding through the course, you’ll dodge roots and rocks, ascend and descend hills and run across wooden bridges. Be prepared for a possible water crossing of the falls (dependent on rain).

2023 REGISTRATION OPEN - There's no other race in Texas like this (and not many in the US for that matter). The races take place on a rocky single track trail that loops the course. You'll experience red rock canyons and buffalo herds that roam wild. You'll run through prairie dog towns on a course that's beautiful yet tough and rugged; down to the canyons bottom and up to cliff tops with a 100 mile view. Don't miss the chance to run with Bison as the park is home to the Texas State Bison Herd and is the state’s largest herd. ​

2023 REGISTRATION IS OPEN - Run through rocky escarpments on this 4,000-acre private Texas Ranch next to Possum Kingdom Lake. This is your only chance to experience the area this way.

2023 REGISTRATION IS OPEN - Come celebrate Cinco de Mayo by running on the beautiful and expansive Trinity Trails System in Fort Worth. The flat and fast course traverses bridges overlooking the river, parks with groves of oak trees, and double track trail on non-technical terrain consisting of both pavement and dirt.

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After the race, hang out with friends at the Woodshed Smokehouse located directly on the trail. 

2023 REGISTRATION IS OPEN - Tyler State Park is home to the renowned East Texas pine forest. These diverse, single-track trails will take you on an adventure through dense forests of 100-foot-tall pines. Be sure to watch your footing as you travel through rolling hills and across snaking tree roots with dense pine needle coverage. This race is an extremely underestimated challenge with the humidity, elevation, and technicality of the trails. You’ll be rewarded with a 64-acre spring-fed lake that you can take a refreshing swim in while you rest and recover post-race.

2023 REGISTRATION IS OPEN - We have partnered with Crazy Water to bring you the 1877 Ultra for a second year. The town of Mineral Wells is steeped in history. From its founding in 1877, to its boom after the healing properties of its water was discovered, and now to its revitalization.

Held in the rolling hills of Lake Mineral Wells State Park, you'll run on the Cross Timbers Trail System. This is terrain is manageable and the trail showcases expansive views of the lake. You'll hit a single track course surrounded by beautiful Texas wildflowers. You'll encounter rocks and a small amount of sandy trail.

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Join us in Mineral Wells for the race, then spend the weekend exploring all the town has to offer.

2023 REGISTRATION IS OPEN - The Chaparral Trail is a converted railroad that has quickly become a reclaimed multi-use trail spanning 35+ miles, beginning in the quaint city of Farmersville. Race this fast course over paved and crushed-stone trail, across bridges, and along prairies and farmland. This is an out and back course under a canopy of trees with beautiful country views.

If you love all things “ocean” this is the race for you! Join us in Port Aransas for this destination race. The course is run entirely on sand along the Gulf of Mexico. You choose your challenge – hard-packed sand near the water or softer sand near the road. Enjoy the sun and the sound of waves as you persevere through the wind.

Located in the North Texas Hill Country, the Wildcatter Ranch & Resort is the site for the Wildcatter Ultra trail race. The trails, designed specifically for this race, wind in and around the ranch. You'll encounter everything from rocks to roots, climbs to descents, flats to winding turns and a cedar canopy to open grassland. Just ninety minutes from DFW International Airport and right around the corner from Possum Kingdom Lake, this trail system is one of the best around.

Voted the best skyline in the world by USA Today, the Urban Ultra Dallas showcases some of the best views of Dallas. You'll start your race on the Skyline trail in the afternoon, run the mostly paved, fast, flat loop course, and watch the city come alive as the sun goes down. After the race celebrate your finish at the Trinity Groves bars and restaurants - only steps away. This is a great race for PRs.

At over 800 acres, the beautiful Oak Point Nature Preserve will be host to the Plano Half Marathon. The course will showcase some of the best urban park trails in the Dallas/Fort Worth area while winding through woodland oaks, blackland prairie, along side creeks, city streets and more. The entire course will be on paved trails and city streets.

Everything is bigger in Texas. This is more than just a race. This is an experience. Come take in the prehistoric area dating back some 10,000 years in a sprawling desert, with majestic canyons.