4th Grassroots Backyard Ultra
4th Grassroots Backyard Ultra is a 29-hour timed race in Okotoks, AB, Canada, taking place on Jun 27 – Jun 28, 2026. This edition has already taken place.
- Date
- Jun 27 – Jun 28, 2026
- Duration
- 29 h
- Location
- Okotoks, AB, Canada
- Format
- Timed race