Run Woodstock

SEP
11-12
2026
Run Woodstock is a multi day trail running festival near Gregory, Michigan in September 2026 featuring races from kids fun runs to 100 mile ultras, plus music, yoga, camping and on site community activities. Registration opens 12/1/25.
11-12 Sep 2026
100 miles 100 kilometers 50 miles 50 kilometers 26 miles 13 miles 5 miles

Always double-check with the organizer's website! This page may contain affiliate links.

Event overview

Run Woodstock is a multi-day trail running festival held in September 2026. Registration for the 2026 event opens 12/1/25. The weekend program combines running events with music, yoga, hikes and other on-site activities. Entry to a paid race or a weekend pass provides access to the weekend runs and community activities. RF Events organizes the festival and lists support for the charity Washtenaw Promise.

Location, courses and services

The event takes place on a 140-acre property with forest, fields and a beach at 20120 Bartell Rd., Gregory, MI 48137, United States. The course uses camp roads and local trail systems including the Potawatomi Trail and connecting BBT and Waterloo-Pinckney trails. The site offers camping; registered, paid entrants may select camping sites. Event merchandise options include race shirts, tie-dye shirts, hats and finisher items for longer distances.

Distances and events

  • 5 miles - Flower Power 5 Mile
  • 5 miles - Free Love 5 Mile (listed as a free event)
  • 5K - Far Out 5K and Feelin' Groovy 5K (some runs listed as free)
  • 1 mile - Fun Run and Kids' Dash
  • Half marathon - Hippie Half
  • Marathon - Mellow Marathon
  • 50K - Freak 50K
  • 50 miles - Peace Love & 50 Miles
  • 100K - Happening 100K
  • 100 miles - Hallucination 100 Mile

Charitable donations to Washtenaw Promise are noted as an option during registration. Visit the organization's website for the most recent information.