Trail Running calendar near Mason 2026-2027

We have found 41 Trailruns within 80 miles of Mason. See below where and when you can find the races.

Hit the trails at Caesar Creek State Park May 23 to 24, 2026 with 5K, 10K, half marathon, 20K relay and the timed 6 Hours of Power. Snag a Pack Pass for entry to all Wolf Pack events plus custom gear and perks.

Run scenic trails around Hargus Lake at A.W. Marion State Park on May 30, 2026, with options from 5K to a half marathon plus a 20K relay and a 6 Hours of Power timed challenge. Enjoy rolling woods, shoreline views, a marked course and finis..

June 2026

Join the ORRRC Challenging Perceptions Adaptive Trail Race at Russ Nature Reserve for an inclusive event for runners, walkers and wheelchair athletes. Pick 1 mile, 2 mile or 5K with staggered starts, chip timed results and refreshments.

Join the ORRRC Possum Creek 5k Trail Race on June 9, 2026 at Possum Creek Metropark in Dayton for a friendly, mostly flat multi surface trail run with chip timing and on course refreshments. Volunteer run and welcoming to all abilities.

Celebrate the solstice with the ORRRC Summer Solstice Trail Run in Yellow Springs on June 20, 2026, featuring a scenic 13.5 mile course at John Bryan State Park. Chip timing, refreshments and volunteer opportunities promise a fun summer tra..

Hit the trails at French Park for a scenic 3.6 mile dirt trail run featuring creek crossings, meadow views and log bridges. Enjoy age graded awards, random Altra shoe giveaways and season pass options for the full Dirt Days series.

Join the Dawg Gone Long Run on June 27 at Caesar Creek State Park for 50k and 50 mile trail ultras on scenic looped single track with rolling hills. This cupless race has a 15 hour cutoff and friendly aid stations.

July 2026

Tackle scenic, hilly trails at Muscatatuck County Park with 15K and 5K options along a river valley. Come for the race and stay for festival camping, mountain bike events and guided kayak trips for a weekend of outdoor fun.

Run the Dirt Days Trail Series at East Fork Lake State Park in Bethel OH, with 5.6 and 10.8 mile options. Tackle the scenic, densely wooded Backpack Trail, enjoy friendly competition, and pick a Trekker option for a more relaxed finish.

August 2026

Enjoy a scenic 10k trail run through Battelle Darby Creek Metro Park's prairies, forests and riparian corridors. Hosted by the volunteer Ohio River Road Runners Club, this friendly race offers chip timing, refreshments and age group awards.

Join the Powder Keg Trail Run at Carter Park in Kings Mills on August 22 for a scenic 3.5 mile Run or Walk suited to all paces. Enjoy river views, the Stairway to Heaven ascent, and support The Arts Alliance.

September 2026

Choose from 15 mile to 100 mile distances on a scenic looped course around William H. Harsha Lake, featuring singletrack, waterfall views and creek crossings. A challenging and rewarding ultra trail experience for adventurous runners.

Celebrate the 30th anniversary of the Air Force Marathon at Wright Patterson Air Force Base in Dayton, Ohio, a Boston qualifying course that finishes at the National Museum of the United States Air Force. Choose from marathon, half, 10K, 5K..

Enjoy the scenic ORRRC Stillwater 7 Miler in Covington, Ohio, a two loop trail run with river crossings and varied prairie terrain. Friendly nonprofit event with chip timing and finisher awards for a relaxed fall challenge.

Hit the trails at the Yeti Trail Run in Mount Airy Forest Cincinnati with 5K, 10K, half marathon and 30K options through meadows, woods and along a fossil creek. Finishers get medals, costumes are encouraged and walkers are welcome.

October 2026

Explore Shawnee State Forest on rugged trails at the Shawnee Trail Runs in West Portsmouth, Ohio. Choose from a challenging 54 mile ultra, a tough 50K, or a hilly 13.1 mile through remote wilderness and scenic backpack trail sections.

Join Run with Heart in Urbana on Saturday October 10, 2026 for a scenic community 5K, 1 Mile Fun Run or Walk, or a virtual option along the Simon Kenton Bike Path. Register by September 22 to receive a T shirt and goodie bag.

Tackle scenic trails through Grant Park at the ORRRC Cross Country Trail 5k in Centerville on Saturday, October 17, 2026. Friendly, volunteer run event with chip timing, awards, and free entry for ORRRC members and youth.

Hit the haunted trails at French Shelter Park on October 31 for a festive 5K or 10K with costume fun, family games and gift card giveaways. All finishers receive a custom T shirt and medal and live prizes include a best costume award.

November 2026

Run the NIRCA Cross Country Open 6K in Shelbyville, IN on November 7 as a spirited prelude to nationals. Race rain or shine with optional spikes and limited edition event gear.