How many triathlons are in Boise?

There are 7 triathlon events listed in Boise, with 4 upcoming races.

When is triathlon season in Boise?

Triathlon season in Boise typically runs from May through September, with peak racing in June, July, and August.

Are there beginner triathlons in Boise?

Yes! Boise offers many beginner-friendly sprint and super-sprint distance triathlons, as well as youth events. Check our calendar for races marked as beginner-friendly.

Boise & Treasure Valley Triathlon Events

Boise and the Treasure Valley run Idaho's largest triathlon cluster — Ironman 70.3 Boise and the Treasure Valley Triathlon serve the metro, the Nampa Indoor Tri extends the season year-round, and mountain races in Yellow Pine and Weippe draw athletes into Idaho's backcountry.

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Coeur d'Alene Boise Southern Idaho

Upcoming Events (4)

Treasure Valley Triathlon

13 weeks and 5 days

Sat, Jun 6Boise, IDEvent Info

Web Map

OlympicSuper Sprint

Mary Lou Triathlon

14 weeks and 6 days

Sun, Jun 14Weippe, IDEvent Info

Web Map

SprintYouth

Ironman 70.3 Boise

20 weeks and 5 days

Sat, Jul 25Boise, IDEvent Info

Web Map

70.3

Idaho High Mountain Triathlon

30 weeks and 5 days

Sat, Oct 3Yellow Pine, IDEvent Info

Web Map

Olympic

			WEBSITE		MAP	RACE TYPES
Jun 6	13 weeks and 5 days	Treasure Valley Triathlon	Visit	Boise, ID	Map	OlympicSprintYouth
Jun 14	14 weeks and 6 days	Mary Lou Triathlon	Visit	Weippe, ID	Map	SprintYouth
Jul 25	20 weeks and 5 days	Ironman 70.3 Boise	Visit	Boise, ID	Map	70.3
Oct 3	30 weeks and 5 days	Idaho High Mountain Triathlon	Visit	Yellow Pine, ID	Map	Olympic

Showing 4 of 7 events