High Ridge, MO, United States · Saturday, January 16, 2027

Fixed Distance 50K

The Shippey 50km Endurance Runs

108 days away
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

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38.4589° N, 90.5365° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 20 hours 24:00 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 Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the most forgiving 50K cut-offs we track. Measured against 1034 races of the same distance. Cut-off calculator →

Typical conditions, January

Daytime high 4°C
Night low -6°C
Rainfall Mostly dry
Daylight 9 h 47 m of light

Regional 2001-2020 average for January — NASA POWER, grid elevation 182 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

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

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

  • Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
  • Race Nutrition 50 km of self-supported fuelling between aid stations.
  • Hydration Vests Flask capacity for 50 km, without the bounce.
  • Headlamps A 20 h limit puts you out there after dark.
  • GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Nathan

VaporKrar 12L

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

$170 ★★★★★ 4.6

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5
All gear guides →

Overview

The Shippey 50km Endurance Runs, a 50k trail race organised by PR Racing, takes place on January 16, 2027 in High Ridge, MO. With a cutoff of 20 hours, this race has a tighter time limit than 2% of 1038 peer 50k races. This means runners must maintain a pace faster than 24 minutes per kilometer to finish within the allotted time.

The course is a 20-mile loop, broken down into 5 smaller legs ranging from 5.3k to 8.4k. Two indoor aid stations are available at the end of every small leg. The terrain is 75% single or double track trail with short, steep inclines and declines.

Similar races

Other 50K trail ultras, closest in distance first.