2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Modelled energy-cost change 1.3% versus flat · net elevation 1 m
Decision summary
Lower than 61% of comparable mapped races
30:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Stored GPS route
Quick answers
raceindex.org has a GPS course file for Run Woodstock Ultramarathon, so runners can inspect the route line on the map. Elevation charts and ascent figures appear only when that file includes usable elevation data.
The Run Woodstock Ultramarathon route has 1,764 m of ascent, 1,763 m of descent and an estimated 1.3% grade-adjusted pace penalty versus a flat route.
The Run Woodstock Ultramarathon route starts at Hell Creek Ranch / Woodstock Camp, 20120 Bartell Rd. Gregory, MI 48137 (Pinckney State Recreation Area) and finishes at Hell Creek Ranch / Woodstock Camp, Gregory/Pinckney, MI. Underfoot, expect trail. It passes Hell Creek Ranch campground, Pinckney State Recreation Area trails, Strawberry Field main stage and 16.6-mile single-track loop. A multi-day trail-running festival inspired by the 1969 Woodstock, blending forest trail races with live music, on-site camping, yoga (including SUP yoga), tie-dye, food trucks and a 'peace, love and running' theme.
Continuous live music across multiple campground stages over the weekend; runs are traditionally sent off with the national anthem played on guitar. A multi-day trail-running festival inspired by the 1969 Woodstock, blending forest trail races with live music, on-site camping, yoga (including SUP yoga), tie-dye, food trucks and a 'peace, love and running' theme. Entry includes parking, finisher's medal, aid stations, drop-bag service for ultras, post-race refreshments, race-weekend concerts, fun runs, yoga and chip timing.
Its normalised GAP factor is 1.3% slower than a flat course, with about 1764 m of total ascent.