Trail Running calendar near Stillwater 2026-2027

We have found 22 Trailruns within 80 miles of Stillwater. See below where and when you can find the races.

Shark Week themed races at Stars & Stripes Park in Oklahoma City with 1 mile, 5K, 10K, a kids dash and a virtual option. Chip timing for 5K and 10K plus race tees, medals, music and awards.

August 2026

A multi-distance running event at Wheeler Park in Oklahoma City featuring chip-timed 5K, Quarter, and Half Marathon options, a Kids Dash, a virtual half, and several volunteer roles with shirt and award benefits.

A mud and obstacle 5K at Lost Lake Entertainment Complex in Oklahoma City on August 8, 2026, featuring walls, ropes, monkey bars and 11 plus other obstacles, plus pre and post race festival areas and multiple registration packages.

A six hour trail challenge in Oklahoma City where runners complete a 5K each hour for up to six laps. Finish all six to earn the OUTLAST medal and compete for local and national prizes including cash awards.

September 2026

Experience a long standing Labor Day tradition at Tulsa's Turkey Mountain Urban Wilderness. Runners navigate rugged trails under a thick forest canopy with a choice of two different race distances.

An obstacle course race in Tulsa, OK on September 12, 2026, covering about 4 miles with more than 25 obstacles. A kids course (12 and under) has $20 registration and group pricing is available; promo code CTGDADS gives 25% off.

Test your physical and mental endurance by running ten 5k loops every 2.5 hours over a 24 hour period. This 50k challenge in Tulsa features a paved river trail course and includes on site camping and provided meals.

A 16th annual running event in Oklahoma City offering a half marathon, 10K, and 5K to honor twenty fallen members. Recognition occurs along the half marathon course and banners display photos and brief bios.

A clothing optional 5K at Oaklake Trails in Depew, OK, with park entry, pre-race refreshments, and a keepsake magnet; first-time or long-time-away visitors must complete a background check before arrival.

An urban multi-loop running event in Tulsa on September 26, 2026, featuring marathon through 100 mile options. The unmarked 25 mile loop requires map navigation, uses QuikTrip aid stops, and has a 34 hour finish cutoff.

A themed race day at Draper Park with options from a kids dash to a chip timed half marathon, a costume contest with prizes, age group awards, volunteer roles, and mixed surface park and greenbelt courses.

October 2026

A Day of the Dead themed race at Wheeler Park on October 25, 2026 with distances from a kids dash to a 13.1 mile half marathon. Costume contest, aid stations, chip timing for several races, and a post race rally tent with music and awards.

November 2026

A November community race at Stars & Stripes Park offering a Kids Dash, 1 mile, chip-timed 5K and 10K, a virtual option, a Thanksgiving costume contest, age-group awards, and multiple volunteer roles.

A trail race at Lake Liberty in Guthrie, OK on November 7, 2026 offering looped 7.8-mile laps and a 5K out-and-back across distances to 50K, plus a ruck division. Finishers receive custom buckles or medals and one aid station sits about 4 m..

A loop-based endurance event on a 3.1 mile trail at Lake Carl Blackwell where runners choose how many hourly laps to complete. Results track loops completed and combined time; entry fee is $100.

A continuous 50 miles trail race at Lake Carl Blackwell in Stillwater, OK run on roughly 3.1 mile loops with 16 laps to reach 50 miles. The event features chip timing, an aid station each loop, a 12 hour cutoff, and pacers allowed after 4 P..

Celebrate the season with a Thanksgiving themed run at Wiley Post Park featuring various distances for all ages. Enjoy chip timed races with finisher medals designer shirts and treats at the finish line.

A loop based trail event at Lake Carl Blackwell on November 21, 2026 with 25K and 50K options and optional challenge stations that can reduce finish time. Tasks include strength, sandbag work, skill drills and mental focus exercises.

A continuous loop ultra at Lake Carl Blackwell on a 3.1 mile (5K) loop with a 12 hour cutoff. Runners choose 40 or 50 miles and use a centralized aid station, designated crew areas, and permitted pacers.

December 2026

A holiday running event at Stars & Stripes Park offering Kids Dash, 1 mile, chip timed 5K and 10K, a virtual option, a costume contest, and finishers shirts and medals for all participants.

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