Northridge close

Triathlon Calendar near Northridge 2025-2026

Explore the top triathlons near Northridge for 2025-2026! We've gathered 101 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
11
Saturday

ASDAsh to Beat Tooth Decay

5 km
Apr
11
Saturday

Dash for Detection: Oral Cancer Awareness 5K

5 km
Apr
12
Sunday

Donut Dash - Denver

5 km
Apr
12
Sunday

Platte River Half-Marathon

Half Marathon
Apr
12
Sunday

Spring Fling Prairie Dog Half Marathon

5 km 10 km 13 mi
Apr
18
Saturday

All-Out Beat the Heat

5 km 10 km Half Marathon
Apr
18
Saturday

Mountain Ridge Trail Race

Trail Run 5 km 10 km 13 mi 22 mi
Apr
19
Sunday

DoNot Stop Half Marathon - Denver

5 km 10 km Half Marathon
Apr
25
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
Apr
25
Saturday

SOAR 5k

3 mi
Apr
26
Sunday

Unicorn 5k

2 mi 5 km
May 2026
May
2
Saturday

Greenland Trail Races

Trail Run 4 mi 8 mi 25 km 50 km
May
2
Saturday

Niwot's Challenge

Trail Run 24 mi 50 mi 100 mi
May
2
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
May
10
Sunday

Colorado Women's Classic

5 km 10 km 10 mi
May
10
Sunday

Bodies Race Company - Broomfield

5 km 10 km Half Marathon
May
15-17
Fr - Su

Denver Colfax Marathon

10 mi 13 mi 26 mi
May
23
Saturday

The Best Races - Centennial

5 km 10 km 13 mi
May
30
Saturday

North Fork 50 Mile

Trail Run 50 km 50 mi
June 2026
Jun
6
Saturday

The Best Races - Centennial

5 km 10 km 13 km
Articles
Top 10 Marathons in the Netherlands - The Ultimate Dutch Marathon Bucket List: 10 Unmissable Races
The Beauty of the Easy Run - Why slowing down might be the smartest thing you do for your running
Mizuno Wave Rider 28: Elevating the Legacy of a Running Icon
Garmin Forerunner Review: Garmin Forerunner Series