Half of Lake Annecy
Triathlon covering 107.9 km to 108 km with up to 1,031 m D+ in Doussard (Auvergne-Rhône-Alpes, France)
Half of Lake Annecy is an endurance sporting event in Doussard, Auvergne-Rhône-Alpes, FR focused on Triathlon. Key features include Nature & Off-Road, Lakes & Ponds, Forest, City Run.
The race program comprises 2 competitions, including Triathlon L (108 km, +1,031 m D+), and L Triathlon Relay (2 or 3) (107.9 km, +1,031 m D+). The next edition is officially confirmed for June 20, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (tmt-triathlon.com).

Event characteristics
Races & distances (2)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Triathlon L | Triathlon | 108 km | +1,031 m | 450 m - 846 m | Loop course | Route & profile |
| L Triathlon Relay (2 or 3) | Triathlon | 107.9 km | +1,031 m | 450 m - 846 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 450 m to 846 m above sea level (+1,031 m D+, -1,031 m D-)
Elevation profile & course telemetry
Altitude from 450 m to 846 m above sea level (+1,031 m D+, -1,031 m D-)
Frequently asked questions (FAQ)
When and where does Half of Lake Annecy take place?
Half of Lake Annecy takes place in Doussard, Auvergne-Rhône-Alpes, FR (start area at coordinates 45.7765° N, 6.2205° E). The next edition is officially confirmed for June 20, 2027.
What races and distances are offered at Half of Lake Annecy?
The race program comprises 2 competitions, including Triathlon L (108 km, +1,031 m D+), and L Triathlon Relay (2 or 3) (107.9 km, +1,031 m D+). The competitions belong to Triathlon.
What is the course layout and elevation profile for Half of Lake Annecy?
The main competition (Triathlon L over 108 km) is designed as a loop course featuring +1,031 m of elevation gain and -1,031 m of elevation loss, ranging between 450 m and 846 m above sea level. An interactive course map with a verified 3D GPS track, kilometer markers, and GPX download is available in the course section on this page.
Where can I find registration and official race rules for Half of Lake Annecy?
Official race regulations, course details, and registration information are provided on the organizer's website (tmt-triathlon.com).