Triathlon

Tønsbergdysten

Tønsbergdysten took place on Sun, Sep 20, 2026 in Tønsberg, Norway. The main route is 51.5 km.

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Tønsbergdysten is a popular triathlon event held at Ringshaugstranda featuring sprint and olympic distances.

Tønsbergdysten is a standard 51.5 km Olympic distance triathlon that requires balanced pacing across swim, bike, and run disciplines.

Multisport transition

Athletes must manage the physiological shift from swimming to cycling and finally to running without significant performance drop-off.

Aerobic endurance

The 51.5 km total distance requires sustained aerobic output across all three consecutive disciplines over a duration typically exceeding two hours.

Target 60 to 90 grams of carbohydrates per hour during the cycling and running segments to sustain output over the multi-hour duration.

Competitive (~4.0 W/kg, sub-40min 10K)2:05–2:20h

Intermediate (~3.0 W/kg, ~48min 10K)2:25–2:50h

First-timer3:00–3:45h

Estimates by level, not promises. Your own number depends on your fitness on the day.

Tønsbergdysten took place on Sun, Sep 20, 2026 in Tønsberg, Norway.

The main route is 51.5 km.

Tønsbergdysten is a standard 51.5 km Olympic distance triathlon that requires balanced pacing across swim, bike, and run disciplines.

Tønsbergdysten is open to all participants.

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