| Distance | 100.0 mi |
| Distance (metric) | 160.9 km“five loops for 100 milers (nominal 100 miles converted at 1.609344; no measured figure published)” source |
| Course type | multi-loop“The races consist of 20(ish) mile loops with no repetition.” source |
| Elevation gain | 10,120 ft“100-mile – 10,120 ft (page does not label this as gain alone; converted at 0.3048 m/ft)” source |
| Net elevation | 0 ft“five loops for 100 milers” source |
| Terrain | prairie“The trail is easy-to-follow, rugged, single-track with very few trees/wooded areas.” source |
| Nearest town | Sylvan Grove“Location: "Sylvan Grove, KS"” source |
| State | KS“Location: "Sylvan Grove, KS"” source |
| Country | US“Location: "Sylvan Grove, KS"” source |
| Race starts at | Switchgrass Mountain Bike Trail at Wilson State Park“All runs will take place on the Switchgrass Mountain Bike Trail at Wilson State Park.” source |
| Nearest major airport | MCI“"distance":367603.4” source |
| Driving distance to airport | 228.4 mi“"distance":367603.4” source |
| Date | 2026-10-31 |
| Start time | 06:00 |
| Entry fee | $290 |
| Aid stations | 20 |
| Drop bags | yes |