Coon Rapids, IA, United States · Saturday, July 25, 2026

Fixed Distance 50 mi

Whiterock 50 Mile Ultra Race

Race completed

80 km Distance

1,500 m Climbing

6.3 Grit · Hardcore

41.8708° N, 94.6775° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 19 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 17 hours 12:45 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 71% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →

Field size ~41 Small. Long stretches with nobody in sight.

DUV results for the 2026 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, July

Daytime high 30°C

Night low 19°C

Rainfall Mostly dry

Daylight 14 h 41 m of light

Regional 2001-2020 average for July — NASA POWER, grid elevation 340 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 80 km of trail with 1,500 m of ascent.

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 17 h limit puts you out there after dark.
GPS WatchesBattery life first — a 80 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Petzl

NAO RL

1500-lumen reactive lighting headlamp with 15-hour runtime. Automatic brightness adjustment.

$150 ★★★★★ 4.7

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Course Notes

The 50-mile race will start 7 hours earlier on Sunday, July 7 … at 12:01 a.m., midnight! The 50-mile consists of two RED Loops, two WHITE loops, and one BLUE loop. Cutoff time for the 50 mile: 5 p.m.

Similar races

Other 50 mi trail ultras, closest in distance first.