Trail
Half Marathon
21.1 km
Start: Mar 19, 02:00 PM
GTO (Gruchet Trail Orientation)
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Trail in France, Gruchet-le-Valasse
Distances
Trail
8K
8 km
Start: Mar 19, 01:30 PM
Trail
5K
5 km
Start: Mar 19, 01:00 PM
Trail
2K
2 km
Start: Mar 19, 12:30 PM
Trail
1K
1 km
Start: Mar 19, 12:00 PM
Trail
Kids 1K
1 km
Start: Mar 19, 12:00 PM
Prix: 0.00 EUR
Running
Kids 1K
1 km
About
The GTO (Gruchet Trail Orientation) is a night orienteering race exploring varied terrain in a convivial team spirit. Teams of 2 to 5 navigate between 15 and 25 km of balises within a time limit.
Pacers
Pacemakers are indicated on the race-day start schedule ("Renntag für Laufende"), matching target times per start wave and flagged by PacerFlaggen on course for guidance and motivation.
Results
View official resultsTypical weather in Gruchet-le-Valasse
Monthly averages based on historical data (2000–present).
Jan7°3°
↑ 08:50
↓ 17:25
Feb8°3°
↑ 08:10
↓ 18:16
Mar11°4°
↑ 07:12
↓ 19:04
Apr14°6°
↑ 07:06
↓ 20:51
May17°9°
↑ 06:14
↓ 21:36
Jun20°12°
↑ 05:51
↓ 22:08
Jul22°14°
↑ 06:08
↓ 22:01
Aug22°14°
↑ 06:50
↓ 21:17
Sep19°13°
↑ 07:35
↓ 20:13
Oct16°10°
↑ 08:20
↓ 19:09
Nov11°7°
↑ 08:11
↓ 17:17
Dec8°4°
↑ 08:49
↓ 16:59
Sign up now
Register on the official organiser website.
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Prices & signup
- Kids 1K0.00 EUR
Last updated: Jun 5, 2026, 11:45:26 PM
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