North Prairie, WI, United States · Saturday, June 13, 2026
Fixed Distance 50K
Kettle Moraine 50 km Endurance Run
Race completed
50 km Distance
820 m Climbing
3.7 Grit · Challenging
What the course asks
Climbing rate 16 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 9 hours
10:48 min/km average. Generous. Walkable throughout for most of the field. Tighter than 71% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~99 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, June
Daytime high 24°C
Night low 14°C
Rainfall Showers likely
Daylight 15 h 19 m of light
Regional 2001-2020 average for June — NASA POWER, grid elevation 251 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 820 m of ascent.
- Trail Running Shoes50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 50 km, without the bounce.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
Point to point course, starting at Scuppernong aid station and finishing at Nordic trail head.
Similar races
Other 50K trail ultras, closest in distance first.