The Openlakes Olympic Distance will take place on Sunday June 25, 2023.

  • The start will be given at 2:30 p.m. from from the banks of Nuisement at Lac du Der.
  • The deposit of the bike and equipment in the transition park will be exclusively on the day of the race between 1 p.m. and 2.15 p.m.
  • DISTANCES: 1500m – 50km – 10km.
  • Minimum age: Be 18 years old during the current year (be born in 2005 or before).
  • When collecting a bib, unlicensed athletes must show their identity card and provide a medical certificate stating the ability to perform a triathlon in competition. The medical certificate is valid for 6 months.
  • You can download a model of certificate here.
  • Licensed athletes must present a valid license belonging to an international triathlon federation.


  • Departure at 2:30 pm
  • Swimming 0:50 (3:20 pm)
  • Swimming + cycling 3:00 (5:30 pm)
  • Closing of the race 4:30  (7:00 pm)


  • The start of the race will be in a “Mass Start” format.

As requests for authorisation are currently being processed, please note that the following itineraries and timetables are still subject to change.

SWIMMING – 1500m

  • Departure in a single wave from the beach of Nuisement at Lac du Der.
  • A lap of 1500m.
  • Swimming suit allowed if the temperature is below 23 ° and is compulsory below 16 °.
  • The maximum time is 0:50
  • Warming up in the water is allowed a maximum of 30 ’before the start, in the dedicated area only (outside the start area).
  • All athletes must be out of the water 10 ‘before the start.
See on OpenRunner

BIKE – 40km

  • 2 laps of 25km around the Lake du Der.
  • Cycling route closed to traffic.
  • 1 supply / turn.
  • The maximum time is 3 hours (Swimming + cycling)
  • Bike park closed at 5.30 p.m.
See on OpenRunner

Running – 10km

  • 2 laps of 5km largely along the Lac du Der.
  • Course including 25m of elevation gain per loop.
  • The course is 95% asphalt and 5% road.
  • 2 supplies / turn.
  • The maximum time is 4:30 (Swimming + cycling + running).
  • Closure of the race at 7:00 p.m.
See on OpenRunner