Dillon Rocks
OMBC
Aug 10, 2025
Nashport, OH
Mountain Bike
About
Conquer winding trails and rock gardens in this thrilling Ohio MTB test!
The Dillon Rocks MTB Race in Dillon State Park, Nashport, Ohio, delivers a technical singletrack adventure that seamlessly blends flowy terrain with challenging rock gardens and tight switchbacks. As part of the OMBC Race Series, this event is designed for riders ranging from novice to expert, ensuring a mix of fast rides and demanding features. Expect a start on pavement before diving into wooded singletrack with obstacles like roots, boulders, and a signature hike-a-bike section. With a family-friendly park atmosphere, camping, and boating options, it's a true highlight on Ohio's MTB calendar.
COURSE DETAILS
Multiple laps on a ~5-mile wooded singletrack loop, starting with a paved prolog, then traversing rock gardens, roots, and winding switchbacks. Expert courses include two technical rock garden sections and a hike-a-bike; the novice course features one rock garden.
Race HIGHLIGHTS
- Technical rock gardens: Novice courses tackle one, experts face two
- Tight, winding switchback segment after a fast field prolog
- Signature hike-a-bike section
- Family-friendly venue with camping and boating
- Part of the OMBC Race Series
RIDE TYPES

Race overview
~5 miles per lap; total race distance varies by category (multiple laps).
Dillon State Park (Nashport, OH) base elevation ~720 ft / Moderate elevation gain, including short climbs and a hike-a-bike section.
Flowy singletrack, technical rock gardens, roots, minimal pavement, and some tight switchbacks.