Trail Running calendar near Mason 2026-2027

Run the Deer Trail Run Half-Marathon through the scenic trails of Cincinnati's Mt. Airy Forest. This themed trail event awards series points and finisher medals. Costumes are encouraged for a chance to win an award.

Tackle the only 100-mile and 100K races in Southwest Ohio on a scenic loop around William H. Harsha Lake. This cupless ultramarathon offers four distances on rolling trails with creek crossings and beautiful views. All finishers receive awa..

The 4th annual aMAZing 5k Trail Run winds through the Garber Nature Center in Ohio. Awards are presented to top finishers in 10 year age groups, and walkers are welcome. All proceeds support the Friends of the Preble County Park District.

Join the 8th annual Sprint For Survivors in Marysville to support trauma recovery programs. Choose between 1 Mile, 5k, or 10k distances and enjoy food trucks and prizes at Schwartzkopf Park.

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..

This 7-mile trail run at Stillwater Prairie Reserve features a two-loop course with river crossings. Organized by the volunteer-run ORRRC, it's free for members and offers a finisher's award for all. A low-cost, community-focused event.

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.

The Shawnee Trail Runs offer rugged wilderness adventures in Ohio's Shawnee State Forest. Choose from three distances, including a challenging 54-mile ultra with 11,000 feet of climbing. Experience remote, hand-maintained trails for a true..

Join the Run with Heart in Urbana for a 5K or 1 mile fun run along the Simon Kenton Bike Path starting at the Depot Coffeehouse.

Take on the ORRRC Cross Country Trail 5k on the trails of Grant Park. This affordable event is free for ORRRC members and features chip timing, refreshments, and age group awards.

Rule the Roost in Chillicothe, Ohio, is the finale of the RunFluent Ohio Trail Series. Runners can tackle a 7K or a 12-hour challenge, solo or as a two-person relay, on a scenic 100% trail course perfect for fall. All finishers receive an a..

Experience the final leg of the Dirt Days Trail Series with a 3.5 mile run at Shawnee Lookout. Enjoy river valley views and woodland trails in a historic park setting overlooking the Ohio and Great Miami Rivers.

This 5.7-mile trail run in Xenia is a community-focused event organized by the Ohio River Road Runners Club. Entry is free for members and youth, with a low fee for others. It features chip timing and awards across multiple age categories.

Experience Cincinnati longest running ultramarathon at the Stone Steps 50K and 27K Trail Run. Take on the wooded paths of Mt. Airy Forest in this historic event held just miles from downtown.

Experience a themed trail run through Cincinnati's French Shelter Park with options for a 5k or 10k distance. Participants enjoy costume contests and holiday activities while earning points toward a global series award.

Experience the excitement of collegiate club running at the NIRCA Cross Country Open 6K in Shelbyville. This public event offers a 6km race on a dedicated cross country course for runners of all backgrounds.

Experience a technical trail run or ruck through the scenic forests and rolling hills of Caesar Creek State Park. Choose between 25K and 50K distances in this cupless event featuring lakefront paths and creek crossings.

A Day in The Park is a timed event on a flat, certified 1-mile loop in Miller Ecological Park. Choose the 24-hour challenge, aim for 100 miles, or try the new 6-hour option. It's organized by the women-led team at Empower Ultras.

Run or walk through the scenic prairies and woodlands of Shawnee Prairie Preserve at the Raptor Run 5K. Complete the course to meet live birds of prey ambassadors and support local wildlife programs.

Celebrate the season at Turkey Trails in Cincinnati with races ranging from a kids dash to a half marathon. Enjoy chip timed results finish line treats and custom medals for all participants at this family themed event.