Milton, MA, United States · Sunday, April 18, 2027

Fixed Distance 50 mi

TARC Dont Run Boston (DRB) 50 Miles

214 days away
80 km Distance
1,900 m Climbing
6.9 Grit · Hardcore
42.2495° N, 71.0662° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 24 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.
Field size ~9 Tiny. You will run alone for most of it.

DUV results for the 2025 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, April

Daytime high 13°C
Night low 3°C
Rainfall Showers likely
Daylight 13 h 27 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 63 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 1,900 m of ascent.

All gear guides →

Course Notes

Blue Hills Reservation

Similar races

Other 50 mi trail ultras, closest in distance first.