Terra Rhona Genève is a mid-June obstacle race held in the countryside near Geneva, Switzerland, offering 8 km and 11 km distances. Taking place over three days, it emphasizes muddy enjoyment rather than a rigorous fitness assessment. Participants can compete individually or as part of a team, with the option to be timed or not. The organizers describe it as a challenge drawing inspiration from military obstacle courses, but the practical approach is more relaxed: obstacles are optional, and multiple routes are provided.
The primary adult race categories feature the 11 km Terra Rhonneur and Terra Team courses, alongside an 8 km Terra Team option. Dedicated courses are also available for children and juniors. The event fosters team spirit and mutual support on the course, making it suitable for groups of friends, families, novice obstacle racers, and individuals who prefer enjoying the mud over pursuing personal records. The event's own description is intentionally exaggerated, likening the race to Koh-Lanta and labeling it the year's most unconventional festive event.