Trail
Marathon
42.2 km
312m
Start: 01:00 PM
Loading map…
Elevation
312m
Race month
April · 5°–14°
Field size
100–500
Distances
42.2k, 21.1k, 10k
Distances
Trail
Half Marathon
21.1 km
Start: 01:00 PM
Trail
10K
10 km
Start: 01:00 PM
Finish-time calculator
Your finish time
Slide to your target pace — and see when you’ll hit the line.
6:00
min / km
← faster · 2:0012:00 · easier →
4:13:10
Estimated finish · 42.2 km
10 km1:00:00
5 km30:00
Where am I when? · Splits
Start
0:00
5 km
30:00
10 km
1:00:00
15 km
1:30:00
20 km
2:00:00
Half
2:06:35
25 km
2:30:00
30 km
3:00:00
35 km
3:30:00
40 km
4:00:00
Finish
4:13:10
Estimates only · form, weather, and hills can change the result.
Course & climate
Loading map…
What to expect
What makes this race distinct — for training and race day.
The Heiligenberg Naturmarathon takes runners through scenic landscapes, offering a unique experience in the beautiful surroundings of Heiligenberg. Participants can enjoy the challenge of varying distances while taking in the stunning views of the region.
The course
312m
The field
100–500
Catering & aid stations
On-course refreshments will be provided with water stations and snacks at various checkpoints throughout the race.
Pacers
Pacers are available for marathon and half-marathon categories, offering guidance and motivation to maintain a consistent pace. Target times for each start wave will be communicated before the event.
Medal
Yes
What does it cost?
What's included in entry
- Event T-Shirt
- Post-Race Refreshments
Stay & get to the start
Getting there
Assumed starting point
Loading route…
Estimating travel…
Hotels near the start
Last updated: Sep 19, 2026, 12:06:48 PM
Get RaceAlerts
Sign in and we'll create a RaceAlert for races within 50 km of this event. No spam — only matching races.
Verifying your sign-in link…
Related runs
Spotted wrong or missing data? Report a bug and we'll look into it.
On your marks
Loading race details…