Trail
Ultra
50 km
Start: 07:00 AM

Trail
Ultra
50 km
Start: 07:00 AM
Running
Marathon
42.2 km
Start: 09:00 AM
Running
Relay
42.2 km
Start: 09:00 AM
Running
Half Marathon
21.1 km
Start: 09:00 AM
Running
10K
10 km
Start: 09:00 AM
Running
5K
5 km
Start: 09:00 AM
Running
3K
3 km
Start: 09:00 AM
Running
Kids Run
1 km
Start: 09:00 AM
A friendly mass-participation event in the Ourse valley combining sport and solidarity, with all proceeds supporting medical research via the Télévie foundation.
Pacemakers are set for specific start waves in the Renntag für Laufende (race-day) document: 1 Wave — target time 00:35:00; 2 Wave — target time 00:45:00; 3 Wave — target time 00:50:00; 4 Wave — target time 01:00:00. Pacer flag icons mark these target waves on course.
Monthly averages based on historical data (2000–present).
Register on the official organiser website.
Sign up nowThe event offers the following distances: Marathon (42.195 km), Half Marathon (21.0975 km), 10K (10 km), 5K (5 km), Kids Run (2 km), Ultra (68 km), 3K (3 km), and Relay (42.195 km).
Registration fees are set per distance. Marathon is 205 €, Half Marathon 175 €, 10K 150 €, 5K 120 €, Kids Run 80 €, Ultra 220 €, 3K 60 €, and Relay 180 €.
Entry fees include the race packet (bib, chip, medal), post-race celebration, and access to catering at the finish area. Entry is from 07:00–08:45; the race starts at 09:00.
Route details and printable maps are available on the Strecke page, with GPX downloads offered for Marathon and Half Marathon.
Yes, results are published on the Results page and can also be found in the document linked at https://www.semidelourse.be/_files/ugd/d453b6_562ef3b18eb9448e8ae8497c93b68009.pdf.
Last updated: Jun 5, 2026, 07:52:05 PM
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