Ultra Running Hub Melrose, United Kingdom · Saturday, August 22, 2026
Fixed Distance 50K
Run the Borders 50km
Race completed
50 km Distance
520 m Climbing
3.3 Grit · Challenging
What the course asks
Climbing rate 10 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 10 hours
12:00 min/km average. Comfortable. Room to walk the climbs and stop at aid. About average for a 50K. Measured against 1038 races of the same distance. Cut-off calculator →
Typical conditions, August
Daytime high 17°C
Night low 10°C
Rainfall Showers likely
Daylight 14 h 38 m of light
Regional 2001-2020 average for August — NASA POWER, grid elevation 216 m. Not a forecast.
Course notes
- terrain This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 520 m of ascent.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.