West Chesterfield, MA, United States · Saturday, May 30, 2026

Fixed Distance 50K

Chesterfield Gorge 50 Km Ultra Race

Race completed

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.

42.4029° N, 72.8759° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~58 Small. Long stretches with nobody in sight.

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, May

Daytime high 19°C

Night low 7°C

Rainfall Showers likely

Daylight 15 h 01 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 357 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 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.

Adidas

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

Spring Energy

Awesome Sauce

Real food gel with 180 calories. Rice-based with natural flavors.

$4 ★★★★★ 4.6

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Suunto

Vertical

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

$630 ★★★★★ 4.5

All gear guides →

Course Notes

The course itself is a continually rolling jeep trail with a few rocks (but not a technical trail), with permanent mile markers along the way. The race will consist of one or more 7.75 mile (12.5k) trail out-and-backs (for 15.5 miles/25k total).

Similar races

Other 50K trail ultras, closest in distance first.