Ultra Running Hub Arena, WI, United States · Saturday, May 15, 2027
Timed Other timed
Driftless Endurance -Rumble on the Ridge
241 days away
not publishedn/a Distance
not publishedn/a Climbing
not publishedn/a Grit
We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.
What the course asks
Field size ~25 Small. Long stretches with nobody in sight.
DUV results for the 2026 edition (14h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, May
Daytime high 20°C
Night low 8°C
Rainfall Showers likely
Daylight 14 h 38 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 296 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 this trail race.
- Trail Running ShoesCushioning on trail that is still there in the last quarter.
- Race NutritionSelf-supported fuelling between aid stations.
- Hydration VestsFlask capacity without the bounce.
- HeadlampsA 14 h limit puts you out there after dark.
- GPS WatchesBattery life first — an ultra outlasts most full-GPS modes.
Course Notes
1 lap 1 Miles 15 minute to complete a loop
Similar races
Other trail ultras of the same format.