New Preston, CT, United States · Sunday, April 25, 2027

Fixed Distance 50K

Jack Bristol Lake Waramaug 50km Ultra Marathon

221 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.

41.6751° N, 73.3518° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~72 Mid-sized. Company early, well spread out by halfway.

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, April

Daytime high 14°C
Night low 2°C
Rainfall Showers likely
Daylight 13 h 44 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 149 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.

All gear guides →

Course Notes

The course is slightly rolling loops around scenic Lake Waramaug. There is a 2.2 mile out and back at the beginning of the race for all runners.

Similar races

Other 50K trail ultras, closest in distance first.