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

Fixed Distance 50 mi

Chesterfield Gorge 50 Mile Ultra Race

Race completed
80 km Distance
not publishedn/a Climbing
4.0 est Grit · Challenging

Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.

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

What the course asks

Field size ~35 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, 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 80 km of trail.

  • 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.
  • Headlamps80 km almost certainly means running into the night.
  • GPS WatchesBattery life first — a 80 km day outlasts most full-GPS modes.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 4.5

Salomon

Aero Glide 4 Grvl

$159.95 ★★★★★ 4.5

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Salomon

ADV Skin 12

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

$180 ★★★★★ 4.8

Petzl

NAO RL

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

$150 ★★★★★ 4.7

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 50 mi trail ultras, closest in distance first.