Ultra Running Hub
Trail 50k
TARC Dont Run Boston (DRB) 50K Split
245 days away
50km Distance
1,500m Elevation
4.8 Grit Score
Challenging Level
Vertical Intensity 30 D+/km
Moderate undulations. Requires consistent effort across varying grades.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Course Intelligence
OPENFREE MAP (LIBRE)Course Notes
Blue Hills Reservation