DateExpected
Late June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Domplatz, Halberstadt
Halberstadt, Landkreis Harz
Countdown
June
The big one: 303 km around the Harz in a single day, with a gentle 2,400 m of climbing. The challenge is the hours in the saddle, not the hills.
Key facts
01Riders must be 18 or older
02Finish closes at 21:30, so 16 hours from the 05:30 start
03Start in waves of 30 riders, one wave every 10 minutes
Create a free training plan for the Harzer Radmarathon + Harzumrundung 303 km
7-day free trial, no card required
The course
The route
Halberstadt
Distance303km
Total climb2,400m
StartElevation
0 kmDrag map to rotate288.3 km
Weather
Late-June, Halberstadt
23°CTypical high
13°CTypical low
6°CColdest in 20 years
43%Days with rain
Highs around 23°C and lows around 13°C, but it has dropped to 6°C. Rain on 43% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserPro Sport Harz e.V.
Websiteharzumrundung.de
Instagram@harzumrundung_radmarathon
Running since2024
Training
Training for the Harzer Radmarathon + Harzumrundung 303 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Harzer Radmarathon + Harzumrundung 303 km plan targets
Typical sessions
303 km with 2,400 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Sustained climbing repeats on real gradients
Group rides for drafting and bunch-riding skills
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Harzer Radmarathon + Harzumrundung 303 km plan.
7-day free trial, no card required.
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