Sint Annen, Netherlands · Saturday, June 13, 2026

Fixed Distance 50 mi

Rondom Stad

Race completed
64 km Distance
not publishedn/a Climbing
3.2 est Grit · Challenging

Calculated from 64 km alone — the organiser has not published an elevation profile. Read 3.2 as a floor, not a verdict.

53.2979° N, 6.6653° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 10 hours 9:23 min/km average. Comfortable. Room to walk the climbs and stop at aid. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Tighter than 82% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →
Field size ~4 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (64km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 18°C
Night low 13°C
Rainfall Mostly dry
Daylight 16 h 55 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 0 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

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

By UltraHub Expert

Gear for this race

Chosen for 64 km of road.

All gear guides →

Course Notes

Loop around the city Groningen, mainly road but also some part unpaved.