Bidassoa Half Marathon
Road Running covering 10 km to 21.1 km in Irun (Basque Country, Spain)
Bidassoa Half Marathon is an endurance sporting event in Irun, Basque Country, ES focused on Road Running. Key features include Urban Trail, City Run, Seaside & Coast.
The race program comprises 2 competitions, including Half Marathon (21.1 km, +50 m D+), and Road Running 10 km (10 km, +43 m D+). The next edition is officially confirmed for February 28, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (mediamaratondelbidasoa.com).

Event characteristics
Races & distances (2)
| Competition | Discipline | Distance | Elevation gain | Altitude range | Course type | Course & profile |
|---|---|---|---|---|---|---|
| Half Marathon | Road Running | 21.1 km | +50 m | 1 m - 20 m | Loop course | Route & profile |
| Road Running 10 km | Road Running | 10 km | +43 m | 1 m - 20 m | Loop course | Route & profile |
Course route & map
Elevation profile & course telemetry
Altitude from 1 m to 20 m above sea level (+50 m D+, -50 m D-)
Elevation profile & course telemetry
Altitude from 1 m to 20 m above sea level (+43 m D+, -43 m D-)
Frequently asked questions (FAQ)
When and where does Bidassoa Half Marathon take place?
Bidassoa Half Marathon takes place in Irun, Basque Country, ES (start area at coordinates 43.339° N, 1.7894° W). The next edition is officially confirmed for February 28, 2027.
What races and distances are offered at Bidassoa Half Marathon?
The race program comprises 2 competitions, including Half Marathon (21.1 km, +50 m D+), and Road Running 10 km (10 km, +43 m D+). The competitions belong to Road Running.
What is the course layout and elevation profile for Bidassoa Half Marathon?
The main competition (Half Marathon over 21.1 km) is designed as a loop course featuring +50 m of elevation gain and -50 m of elevation loss, ranging between 1 m and 20 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 Bidassoa Half Marathon?
Official race regulations, course details, and registration information are provided on the organizer's website (mediamaratondelbidasoa.com).