Part 18: Winter Triathlon and Winter Duathlon

A winter triathlon is running, mountain biking and cross-country skiing; a 6-segment version repeats them twice.

Source: World Triathlon Competition Rules (January 2025), 18.1 a (i) (Winter Triathlon and Winter Duathlon) · recall

Skating takes the bike's place in S3, between the run and the ski.

Source: World Triathlon Competition Rules (January 2025), 18.1 a (ii) (Winter Triathlon and Winter Duathlon) · recall

A winter duathlon is running and cross-country skiing, or those two repeated once more.

Source: World Triathlon Competition Rules (January 2025), 18.1 a (iii) (Winter Triathlon and Winter Duathlon) · recall

Athletes may not warm up or familiarise on the course while a competition is in progress.

Source: World Triathlon Competition Rules (January 2025), 18.2 b (Winter Triathlon and Winter Duathlon) · applied

Any type of shoe, including spike shoes, is allowed on the run.

Source: World Triathlon Competition Rules (January 2025), 18.3 b (Winter Triathlon and Winter Duathlon) · recall

Tyres are 26 to 29 inches, with a cross section of at least 1.5 inches; front and rear may differ.

Source: World Triathlon Competition Rules (January 2025), 18.4 a-b (Winter Triathlon and Winter Duathlon) · recall

On the winter bike segment drafting is allowed and lapped athletes are not removed.

Source: World Triathlon Competition Rules (January 2025), 18.4 e (Winter Triathlon and Winter Duathlon) · applied

The 6-segment format repeats run, bike and ski continuously twice.

Source: World Triathlon Competition Rules (January 2025), 18.1 a (i) (Winter Triathlon and Winter Duathlon) · applied

Two segments, four segments, and six segments.

Source: World Triathlon Competition Rules (January 2025), 18.1 a (Winter Triathlon and Winter Duathlon) · applied

Spiked tyres are allowed only if the spikes are shorter than 5 mm; 27.5 inch wheels and 2.1 inch tyres are fine.

Source: World Triathlon Competition Rules (January 2025), 18.4 a, i (Winter Triathlon and Winter Duathlon) · applied

Athletes may ski with their preferred technique; the TD may make classic style mandatory in certain areas.

Source: World Triathlon Competition Rules (January 2025), 18.5 d-e (Winter Triathlon and Winter Duathlon) · recall

Athletes may change one ski and both poles; elite and junior athletes only if the ski or binding is broken.

Source: World Triathlon Competition Rules (January 2025), 18.5 c (Winter Triathlon and Winter Duathlon) · recall

Helmets are not allowed on the ski segment, though the TD may allow one because of the cold.

Source: World Triathlon Competition Rules (January 2025), 18.5 f (Winter Triathlon and Winter Duathlon) · recall

Once a request to pass is made, the athlete being passed must move to the side as soon as possible.

Source: World Triathlon Competition Rules (January 2025), 18.5 g (Winter Triathlon and Winter Duathlon) · applied

Athletes may not change corridors in the finish chute, except to overtake.

Source: World Triathlon Competition Rules (January 2025), 18.5 i (Winter Triathlon and Winter Duathlon) · recall

Skis stay on until at least 10 m past the finish line, where the last ski check is made.

Source: World Triathlon Competition Rules (January 2025), 18.5 j (Winter Triathlon and Winter Duathlon) · recall

Athletes are not allowed to change any of the skates.

Source: World Triathlon Competition Rules (January 2025), 18.6 b (Winter Triathlon and Winter Duathlon) · applied

Elite and junior athletes may change one ski only if it is broken, off the track and without help, and prove it afterwards.

Source: World Triathlon Competition Rules (January 2025), 18.5 c (Winter Triathlon and Winter Duathlon) · applied

Finish is judged at the front boot's tip; skis stay on for 10 m, where the last ski check happens.

Source: World Triathlon Competition Rules (January 2025), 18.5 h-j; 18.10 (Winter Triathlon and Winter Duathlon) · applied

Every condition in the report matches: one ski, a broken binding, off the track, no helper.

Source: World Triathlon Competition Rules (January 2025), 18.5 c (Winter Triathlon and Winter Duathlon) · applied

Skiing inside the transition area is forbidden.

Source: World Triathlon Competition Rules (January 2025), 18.7 a (Winter Triathlon and Winter Duathlon) · recall

Running shoes and skates go on and off in the athlete's own space; Nordic blades may use a changing zone if provided.

Source: World Triathlon Competition Rules (January 2025), 18.7 b (Winter Triathlon and Winter Duathlon) · recall

Helmets are fastened from putting skates on (or taking the bike) until the skates come off (or the bike is racked).

Source: World Triathlon Competition Rules (January 2025), 18.7 d (Winter Triathlon and Winter Duathlon) · recall

A littering zone after the ski placing line takes discarded shoe covers.

Source: World Triathlon Competition Rules (January 2025), 18.7 f (Winter Triathlon and Winter Duathlon) · recall

Tools and spares may be left if packed and labelled; complete wheels may not, and repairs are the athlete's own.

Source: World Triathlon Competition Rules (January 2025), 18.9 d (Winter Triathlon and Winter Duathlon) · recall

Finish is the moment the tip of the front ski boot crosses the line's vertical plane.

Source: World Triathlon Competition Rules (January 2025), 18.10 a (Winter Triathlon and Winter Duathlon) · recall

The competition is cancelled when the air temperature is lower than -18 C.

Source: World Triathlon Competition Rules (January 2025), 18.11 a (Winter Triathlon and Winter Duathlon) · recall

Coaches get a designated space on the run, bike and ski segments.

Source: World Triathlon Competition Rules (January 2025), 18.8 a (Winter Triathlon and Winter Duathlon) · recall

Under 5 mm spikes, 10 m past the line, and cancellation below -18 C.

Source: World Triathlon Competition Rules (January 2025), 18.4 i; 18.5 j; 18.11 (Winter Triathlon and Winter Duathlon) · applied

Below -18 C air temperature the competition is cancelled.

Source: World Triathlon Competition Rules (January 2025), 18.11 a (Winter Triathlon and Winter Duathlon) · applied