Race Distances
Swim 0.4km · Bike 10km · Run 2.5km
Swim 0.75km · Bike 20km · Run 5km
Swim 1.9km · Bike 90km · Run 21.1km
Challenge Turku is a premier international endurance event set in the heart of Finland’s oldest city. Combining world-class racing with Nordic scenery, the course takes athletes through the River Aura, historic streets, and fast, flat roads designed for peak performance. Open to professionals and age-group athletes alike, Challenge Turku offers an unforgettable race experience in a vibrant city atmosphere for competitors and spectators.