Ultra Running Hub Cassoday, KS, United States · Saturday, May 1, 2027
Fixed Distance 50 mi
Heartland 50 Mile Race
227 days away
80 km Distance
not publishedn/a Climbing
4.0 est Grit · Challenging
Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.
What the course asks
Time limit 14 hours
10:30 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50 mi. Measured against 455 races of the same distance. Cut-off calculator →
Field size ~13 Tiny. You will run alone for most of it.
DUV results for the 2025 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, October
Daytime high 20°C
Night low 8°C
Rainfall Mostly dry
Daylight 13 h 45 m of light
Regional 2001-2020 average for October — NASA POWER, grid elevation 419 m. Not a forecast.
The Aid Station
Course-specific beta from the community
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 80 km of trail.
- Trail Running Shoes80 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition80 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 80 km, without the bounce.
- HeadlampsA 14 h limit puts you out there after dark.
- GPS WatchesBattery life first — a 80 km day outlasts most full-GPS modes.
Course Notes
An out and back course on backcountry gravel roads with less than one mile of paved surface.
Similar races
Other 50 mi trail ultras, closest in distance first.