4° Backyard Ultra – Aguascalientes
4° Backyard Ultra – Aguascalientes is a 29-hour timed race in San Pancho, Aguascalientes, Mexico, taking place on Sep 19 – Sep 20, 2026.
- Date
- Sep 19 – Sep 20, 2026
- Duration
- 29 h
- Location
- San Pancho, Aguascalientes, Mexico
- Format
- Timed race