The Little Miami Trail Challenge

Yellow Springs, United States • 9-10 May 2026

The Little Miami Trail Challenge @ John Bryan

The event takes place May 9-10, 2026 at John Bryan State Park, Lower Shelter House, Yellow Springs, OH. It is a Wolf Pack trail event offering multiple race formats over the weekend, including a timed multi-hour challenge and a relay. A 2026 Pack Pass option provides entry into all 2026 Wolf Pack events and is valid until 12/31.

  • 1/2 Marathon
  • 10K
  • 5K
  • 20K Relay
  • 6 Hours of Power
  • 2026 Pack Pass (entry into all 2026 events)

Course and race details

All races start and finish at the Lower Stone Shelter. The half marathon is two loops with an elevation gain of 650 ft. The 10K is one loop with 325 ft elevation gain. The 5K is one loop with 180 ft elevation gain. The event is on trail and mixed terrain, and the course will be marked with color-coded flags, cones, and arrows. There is one water station on the half marathon and 10K routes; the half marathon also has aid at the Start/Finish before the second loop.

On-site check-in and a pre-race meeting are scheduled before races; participants receive a bib and race sticker. Race registration includes a race bib, a finishers medal, timing with posted results and a points system, sponsor products, and aid station support. The event is permitted under a special use authorization from John Bryan State Park. Registration details and prices are provided for each event. Visit the organization's website for the most recent information.

Race information

6 hr
6 Hours of Power
Half Marathon
1/2 Marathon
20 km
20k Relay
10 km
10k
5 km
2026 Pack Pass (entry Into All 2026 Events) Valid Until 12/31
Visit the organization's website for the most recent information.
Trail runs nearby

The Wolf Pack Trail Running Series will take place in Waynesville from Saturday 3 January 2026 to Saturday 2 May 2026. You can run between 5 and 6 hours.

Kick off the year at Caesar Creek Trail Race on January 3, 2026, with options from 5K to half marathon, a 6 hour challenge and a 20K relay hosted by Wolf Pack Trail Runs. Scenic trails, aid, plenty of parking and leashed pets welcome.

Run under the stars at Caesar Creek State Park with marathon, half and 10K on wooded single track trails. Bring a headlamp and collapsible cup for aid stations and earn a glow in the dark owl finisher medal.

Tackle rolling trails around Caesar Creek Lake in this Wolf Pack series favorite, with race options from 5K to half marathon plus relay and a 6 hour challenge. Enjoy scenic meadows and woods, strong support, and a festive finish line vibe.