The Half of the 2 Towers
Triathlon and Open Water Swimming covering 1 km to 112.9 km in La Rochelle (Nouvelle-Aquitaine, France)
The Half of the 2 Towers is an endurance sporting event in La Rochelle, Nouvelle-Aquitaine, FR focused on Triathlon and Open Water Swimming. Key features include Seaside & Coast, Kids & Youth Races, Multi-Day.
The race program comprises 4 competitions, including Triathlon L (112.9 km, +1,242 m D+), Triathlon S (25.75 km, +283 m D+), Triathlon XS (12.9 km, +142 m D+), and Aufrédy Challenge (1 km, +2 m D+). The next edition is officially confirmed from June 5, 2027 to June 6, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (halfdes2tours.fr).

Event characteristics
Races & distances (4)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Triathlon L | Triathlon | 112.9 km | +1,242 m | 2 m - 524 m | Loop course | Route & profile |
| Triathlon S | Triathlon | 25.75 km | +283 m | 5 m - 124 m | Loop course | Route & profile |
| Triathlon XS | Triathlon | 12.9 km | +142 m | 8 m - 68 m | Loop course | Route & profile |
| Aufrédy Challenge | Open Water Swimming | 1 km | +2 m | 11 m - 13 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 2 m to 524 m above sea level (+1,242 m D+, -1,242 m D-)
Elevation profile & course telemetry
Altitude from 5 m to 124 m above sea level (+283 m D+, -283 m D-)
Elevation profile & course telemetry
Altitude from 8 m to 68 m above sea level (+142 m D+, -142 m D-)
Elevation profile & course telemetry
Altitude from 11 m to 13 m above sea level (+2 m D+, -2 m D-)
Frequently asked questions (FAQ)
When and where does The Half of the 2 Towers take place?
The Half of the 2 Towers takes place in La Rochelle, Nouvelle-Aquitaine, FR (start area at coordinates 46.1603° N, 1.1511° W). The next edition is officially confirmed from June 5, 2027 to June 6, 2027.
What races and distances are offered at The Half of the 2 Towers?
The race program comprises 4 competitions, including Triathlon L (112.9 km, +1,242 m D+), Triathlon S (25.75 km, +283 m D+), Triathlon XS (12.9 km, +142 m D+), and Aufrédy Challenge (1 km, +2 m D+). The competitions belong to Triathlon and Open Water Swimming.
What is the course layout and elevation profile for The Half of the 2 Towers?
The main competition (Triathlon L over 112.9 km) is designed as a loop course featuring +1,242 m of elevation gain and -1,242 m of elevation loss, ranging between 2 m and 524 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.
Where can I find registration and official race rules for The Half of the 2 Towers?
Official race regulations, course details, and registration information are provided on the organizer's website (halfdes2tours.fr).