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Triathlon Calendar near Sioux Falls 2025-2026

Explore the top triathlons near Sioux Falls for 2025-2026! We've gathered 15 exciting races in the area. Check out our detailed list below to find your next local race.

March 2025
Mar
15
Saturday

Lucky 7's

5 km 5 mi
April 2025
Apr
5
Saturday

Chilly Cheeks Race

5 km 5 mi 10 mi
Apr
12
Saturday

Carbs for Kids 5k

5 km
May 2025
May
3
Saturday

Tuthell 50K

Trail Run 50 km
May
17-18
Sa - Su

Sioux Falls Half Marathon

13 mi
May
17
Saturday

Pound The Mound

Trail Run 10 mi 20 mi 30 mi
June 2025
Jun
5
Thursday

605 Day 5k

5 km
July 2025
Jul
4
Friday

Davis Lake Triathlon

Triathlon
August 2025
Aug
9
Saturday

The Blue Move

5 km
Aug
9
Saturday

605 Trail Fest

Trail Run 4 mi 8 mi
Aug
29-31
Fr - Su

The Blood Run - Lennox, SD

Backyard Ultra 3 hr 6 hr ... 24 hr 36 hr
September 2025
Sep
21
Sunday

Sioux Falls Marathon

5 km 13 mi 26 mi
Sep
27
Saturday

Great Bear Trail Races

Trail Run 3 mi 6 mi
October 2025
Oct
11
Saturday

Duff Dog Backyard Ultra

Backyard Ultra 6 km
Oct
11
Saturday

Newton Hills Trail Race

Trail Run 2 mi 6 mi
Oct
25
Saturday

Trick or Treat Trail Run 10K

Trail Run 5 km 10 km
November 2025
Nov
1
Saturday

Glacier Hills Ultra 50k

Trail Run 20 km 30 km 50 km
Nov
22
Saturday

Gobble Wobble 10k - Sioux Falls

10 km
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