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
52.3008° N, 4.8639° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

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

⛰️ terrain

This is a fast & flat course. Expect fast, runnable sections where rhythm is key.

By UltraHub Expert
👟 gear

With road terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 50 km of road with 5 m of ascent.

All gear guides →

Course Notes

Officially measured loop of 2226.42 m in the ‘Amsterdamse Bos’.

Similar races

Other 50K road ultras, closest in distance first.