Amstelveen, Netherlands · Saturday, May 30, 2026
Fixed Distance 50K
Sri Chinmoy 50 km-Lauf Amsterdam
Race completed
50 km Distance
5 m Climbing
2.5 Grit · Entry level
What the course asks
Climbing rate 0 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 9 hours
10:48 min/km average. Generous. Walkable throughout for most of the field. Tighter than 71% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~15 Tiny. You will run alone for most of it.
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, May
Daytime high 16°C
Night low 9°C
Rainfall Mostly dry
Daylight 16 h 21 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation -1 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
With road terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of road with 5 m of ascent.
- Trail Running Shoes50 km of road — cushioning that is still there in the last quarter.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 50 km, without the bounce.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
Officially measured loop of 2226.42 m in the ‘Amsterdamse Bos’.
Similar races
Other 50K road ultras, closest in distance first.