Potsdam, Germany · Sunday, October 11, 2026

Fixed Distance 50 mi

Heidi-Challenge - Etappe2 Tour Teltowkanal

25 days to go

66 km Distance

not publishedn/a Climbing

3.3 est Grit · Challenging

Calculated from 66 km alone — the organiser has not published an elevation profile. Read 3.3 as a floor, not a verdict.

52.3989° N, 13.0657° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~11 Tiny. You will run alone for most of it.

DUV results for the 2025 edition (316km/5stages) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 14°C

Night low 5°C

Rainfall Mostly dry

Daylight 11 h 01 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 49 m. Not a forecast.

The Aid Station

Course-specific beta from the community

👟 gear

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

By UltraHub Expert

Gear for this race

Chosen for 66 km of trail.

Trail Running Shoes66 km of trail — cushioning that is still there in the last quarter.
Race Nutrition66 km of self-supported fuelling between aid stations.
Hydration VestsFlask capacity for 66 km, without the bounce.
GPS WatchesBattery life first — a 66 km day outlasts most full-GPS modes.

Adidas