Idaho Triathlon Calendar 2025-2026

Apr

18

Saturday

Hauser Lake 10k Icebreaker Run

Hauser, Idaho

5 km 10 km

Apr

25

Saturday

Spring Dash

Coeur d'Alene, Idaho

5 km 10 km Half Marathon

May

2

Saturday

Boise River Marathon

Boise, Idaho

5 km 10 km Half Marathon Marathon

May

9

Saturday

Kick for Kenya and Clean Water

Boise, Idaho

5 km

May

9

Saturday

Long Bridge Half-Marathon

Sandpoint, Idaho

5 km 10 km Half Marathon

May

16

Saturday

YMCA Famous Idaho Potato Marathon

Boise, Idaho

5 km 10 km Half Marathon Marathon

May

24

Sunday

CDA Marathon

Coeur d'Alene, Idaho

3 mi 6 mi 13 mi 26 mi

May

24

Sunday

Priest Lake Spring Fun Run

Coolin, Idaho

5 km 10 km

May

30

Saturday

Access to Justice FUND Run/Walk 5k

Boise, Idaho

5 km

Jun

5-6

Fr - Sa

Scout Mountain Ultras

Pocatello, Idaho

Trail Run 100 mi

Jun

6

Saturday

Teton Dam Marathon

Rexburg, Idaho

5 km 10 km 13 mi 26 mi

Jun

6

Saturday

Spirit of Magic Valley Half Marathon

Twin Falls, Idaho

5 km 10 km 13 mi

Jun

6

Saturday

Treasure Valley Triathlon

Boise, Idaho

Triathlon

Jun

19

Friday

Juneteenth Scholarship 5K Fun Run/Walk

Mountain Home, Idaho

5 km

Jun

20-21

Sa - Su

Race The Wolf

Sandpoint, Idaho

Trail Run 5 mi Half Marathon Marathon

Jun

21

Sunday

Ironman 70.3 Coeur d'Alene

Coeur d'Alene, Idaho

Triathlon

Jul

4

Saturday

Buhl Fun Run

Buhl, Idaho

5 km 10 km

Jul

4

Saturday

Kellogg Firecracker 5k

Kellogg, Idaho

5 km

Jul

11

Saturday

Beaverhead Endurance Runs

Salmon, Idaho

Trail Run 55 km 100 km

Jul

18

Saturday

Mesa Falls Marathon

Ashton, Idaho

3 mi 6 mi 13 mi 26 mi