Running
Marathon
42.2 km
Start: 09:30 AM
De Bosvrienden - DE BOSLOOP
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Forest runs in Belgium, Tessenderlo
Distances
Running
Marathon
42.2 km
25.00 EUR
Running
Marathon
27 km
27.00 EUR
About
De Bosvrienden organizes the DE BOSLOOP — a forest marathon/trail in the Tessenderlo area with a 42.195 km marathon and multiple shorter distances. The event emphasizes a personal, friend-group experience with course loops and support along the way.
Catering & aid stations
Bevoorrading at route start/finish (Penarol). No aid stations after 5 km; extensive补给 at end of each loop (0, 13, 23, 33, 42 km).
Pacers
Pacers will be present with paceband flags for target times listed on the event day schedule (e.g., marathon groups at designated start waves). Pacers help runners maintain goal pace; flags will be visible at key points.
Results
View official resultsTypical weather in Tessenderlo
Monthly averages based on historical data (2000–present).
Jan6°1°
↑ 08:37
↓ 17:01
Feb8°2°
↑ 07:55
↓ 17:55
Mar11°3°
↑ 06:54
↓ 18:45
Apr15°5°
↑ 06:45
↓ 20:35
May19°9°
↑ 05:50
↓ 21:23
Jun22°13°
↑ 05:25
↓ 21:56
Jul23°14°
↑ 05:43
↓ 21:49
Aug23°14°
↑ 06:28
↓ 21:02
Sep20°12°
↑ 07:16
↓ 19:55
Oct15°9°
↑ 08:04
↓ 18:48
Nov10°5°
↑ 07:57
↓ 16:53
Dec7°2°
↑ 08:37
↓ 16:34
Prices & signup
- Marathon25.00 EUR
- Marathon27.00 EUR
Last updated: Jun 5, 2026, 11:55:40 PM
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