Filter Events
Filter Events By Year/Month:
33 Events Found (Showing 50 per page) Page of 1
Saturday, March 28, 2026 The City Park Circuit
Denver, Colorado
Youth Race (Ages 17 and under) :
: Run 2 miles
Masters Race (Ages 40+) :
: Run 2 miles
The City Park Circuit :
: Run 2 miles
Kids Quarter Mile :
: Run 400 m
  More Info >>
Sunday, April 12, 2026 Healthy Kids Running Series Spring 2026 - Aurora
Aurora, Colorado Red Tailed Hawk Park
Kids Running Series :
: Kids Run
  More Info >>
Sunday, April 12, 2026 Healthy Kids Running Series Spring 2026 - Denver
Denver, Colorado Rosamond Park
Kids Running Series :
: Kids Run
  More Info >>
Saturday, April 18, 2026 Donot Stop Half Marathon (5k/10k) - Colorado Springs
Colorado Springs, Colorado
5K :
: Run 3.1 miles
10K :
: Run 6.2 miles
Kid's Dash :
: Run 50 m
1 Mile :
: Run 1 mile
  More Info >>
Sunday, April 19, 2026 DoNot Stop Half Marathon (5k/10k) - Denver
Littleton, Colorado
5K :
: Run 3.1 miles
10K :
: Run 6.2 miles
Kid's Dash :
: Run 50 m
1 Mile :
: Run 1 mile
  More Info >>
Saturday, April 25, 2026 SOAR 5K
Golden, Colorado
SOAR 5K Run :
: Run 3.1 miles
SOAR Kids Fun Run :
: Run 1 mile
  More Info >>
Saturday, May 2, 2026 Walk Run or Roll for Daniel
Colorado Springs, Colorado
5K Walk/Run :
: Run 3.1 miles
Kids 15 and under 5k Walk/Run :
: Run 3.1 miles
  More Info >>
Saturday, May 9, 2026 2026 Mothers Day 5K Run Colorado
Louisville, Colorado
5K Run : Kids Race
Triathlon : Run 3.1 Miles
  More Info >>
Saturday, May 9, 2026 Springs Splash & Dash
Colorado Springs, Colorado Colorado Springs, Colorado USA
Springs Splash & Dash - Short Aquathlon :
: Swim 100Y, Run 1Mi
  More Info >>
Saturday, May 23, 2026 Run for Mental Health 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
13.1 Half-Marathon Registration :
: Run 13.1 miles
10K Registration :
: Run 6.2 miles
5K Registration :
: Run 3.1 miles
Family Fun Run 1 Mile :
: Run 1 mile
  More Info >>
Saturday, May 23, 2026 Memorial Day Run 5K/10K/13.1 DENVER/AURORA
Centennial, Colorado
Family 1 Mile Fun Run :
: Run 1 mile
13.1 Half-Marathon Registration :
: Run 13.1 miles
10K Registration :
: Run 6.2 miles
5K Registration :
: Run 3.1 miles
  More Info >>
Saturday, May 23, 2026 Farish Trail Race
Woodland Park, Colorado
1/2 Marathon :
: 13.1 Miles
10K :
: 10K
5K :
: 5K
Kids Run :
: 1 Miles
  More Info >>
Saturday, June 6, 2026 Woodmen Hills Splash and Dash Series
Falcon, Colorado Falcon, Colorado USA
Woodmen Hills Splash and Dash Series :
: Swim 200 yards, Bike 6 miles, Run 2 miles
  More Info >>
Saturday, June 20, 2026 Sierra's 5K Run/Walk Race Against Meningitis
Loveland, Colorado
5K Run :
: Run 3.1 miles
Kids Fun Run : Kids Race
: Kids Run
  More Info >>
Saturday, July 4, 2026 Let Freedom Run 5k - LONGMONT
Longmont, Colorado
5k Run/Walk :
: Run 3.1 miles
Kids Fun Run (Approx 100 yards) :
: Run 100 yards
  More Info >>
Saturday, July 4, 2026 FireKracker 5k
Fort Collins, Colorado
FireKracker 5k :
: 5K
Kids 1-Mile :
: 1 Miles
Elite 5k :
: 5K
  More Info >>
Saturday, July 11, 2026 Heatwave Half Marathon - Denver
Denver, Colorado
Kids Dash :
: Run 50 m
1 Mile :
: Run 1 mile
5 K :
: Run 3.1 miles
10 K :
: Run 6.2 miles
Half-Marathon :
: Run 13.1 miles
Half-Marathon Relay :
: Run 13.1 miles
  More Info >>
Sunday, July 12, 2026 Heatwave Half Marathon - Colorado Springs
Colorado Springs, Colorado
Kids Dash :
: Run 50 m
1 Mile :
: Run 1 mile
5 K :
: Run 3.1 miles
10 K :
: Run 6.2 miles
Half-Marathon :
: Run 13.1 miles
Half-Marathon Relay :
: Run 13.1 miles
  More Info >>
Saturday, July 25, 2026 Cook Creek TRYathlon
Lone Tree, Colorado Cook Creek Pool
Mini Sprint Triathlon :
: Swim 200 yards, Bike 4 miles, Run 2 miles
Youth Triathlon : Kids Race
: Distance Determined by Age
  More Info >>
Saturday, August 8, 2026 Summer Sizzler- Denver
Denver, Colorado
Kids Dash :
: Run 50 m
1 Mile :
: Run 1 mile
5k :
: Run 3.1 miles
10k :
: Run 6.2 miles
  More Info >>
Saturday, August 15, 2026 Longmont Kids Triathlon & Tri-a-Tri
Longmont, Colorado Longmont Recreation Center
Longmont Kids Only Triathlon : Kids Race
Triathlon : Swim 200 yards, Bike 4.5 miles, Run 1.2 miles
Tri-a-Tri :
: Swim 200 yards, Bike 6 miles, Run 2 miles
  More Info >>
Saturday, August 22, 2026 Gunnison Valley Triathlon
Gunnison, Colorado Parks & Recreation Department
Sprint Triathlon :
Triathlon : Swim 500 meters, Bike 14 miles, Run 4.2 miles
Kids Triathlon : Kids Race
Triathlon : Distances Determined by Age
  More Info >>
Saturday, August 22, 2026 Ram Run
Denver, Colorado
Ram Run :
: Run 3.1 miles
Ram Run - Virtual :
: Run 3.1 miles
Ram Run Kids Race (12 and under) :
: Run 2 km
  More Info >>
Sunday, August 30, 2026 Louisville Fall Splash & Dash
Louisville, Colorado Louisville, Colorado USA
Louisville Fall Splash & Dash - 5-8yrs :
: Swim 50Y, Run 0.7Mi
Louisville Fall Splash & Dash - 9-11yrs :
: Swim 100Y, Run 1.3Mi
Louisville Fall Splash & Dash - 12-14yrs :
: Swim 150Y, Run 2Mi
  More Info >>
Saturday, September 5, 2026 Golden Harvest Half Marathon & 5k/10k - Denver
Denver, Colorado
5k :
: Run 3.1 miles
10k :
: Run 6.2 miles
Half Marathon :
: Run 13.1 miles
Kid's Dash :
: Run 50 m
1 Mile :
: Run 1 mile
  More Info >>
Sunday, September 6, 2026 Golden Harvest Half Marathon & 5k/10k - Colorado Springs
Colorado Springs, Colorado
5k :
: Run 3.1 miles
10k :
: Run 6.2 miles
Half Marathon :
: Run 13.1 miles
Kid's Dash :
: Run 50 m
1 Mile :
: Run 1 mile
  More Info >>
Sunday, September 13, 2026 2026 Tri the Rock Youth Triathlon
Castle Rock, Colorado Butterfield Crossing Park and Pool
Kids Triathlon : Kids Race
Triathlon : Distances Determined By Age
  More Info >>
Sunday, September 13, 2026 Tri Our Village Kids Triathlon
Greenwood Village, Colorado Greenwood Village, Colorado USA
Tri Our Village Kids Triathlon - Super Sprint Triathlon :
: Swim 200 yards, Bike 6 miles, Run 2 miles
Tri Our Village Kids Triathlon - Super Sprint Triathlon :
: Swim 200 yards, Bike 6 miles, Run 2 miles
Tri Our Village Kids Triathlon - Super Sprint Triathlon :
: Swim 200 yards, Bike 6 miles, Run 2 miles
  More Info >>
Sunday, September 27, 2026 Joy & Justice 5k
Timnath, Colorado
Joy & Justice 5k Run :
: 5K
Kids 1 mile Fun Run (12 & Under) :
: 1 Miles
Joy & Justice 5k Walk :
: 3.1 Miles
Virtual 5k :
: 3.1 Miles
  More Info >>
Saturday, October 3, 2026 Spooky Sprint - Denver
Denver, Colorado
1 Mile :
: Run 1 mile
5K :
: Run 3.1 miles
10K :
: Run 6.2 miles
1/2 Marathon :
: Run 13.1 miles
Kids Dash :
: Run 50 m
  More Info >>
Saturday, October 31, 2026 I Ain't Scared (of 5k)
Thornton, Colorado
5k :
: Run 3.1 miles
Kids Fun Run (Approx 100 yards) :
: Run 100 yards
  More Info >>
Saturday, November 7, 2026 Turkey Trails- Denver
Denver, Colorado
Kids Dash :
: Run 50 m
1 Mile :
: Run 1 mile
5k :
: Run 3.1 miles
10k :
: Run 6.2 miles
Turkey Trails Half Marathon :
: Run 13.1 miles
  More Info >>
Sunday, November 8, 2026 Colorado Springs Veterans Day 5k
Colorado Springs, Colorado
Colorado Springs Veterans Day 5K :
: Run 3.1 miles
Kids 15 yrs and under 5k :
: Run 3.1 miles
  More Info >>
33 Events Found (Showing 50 per page) Page of 1

Trifind the American trialthlon calendar provides the most up-to-date news & events on women's triathlons in every state. Trifind also provides news, information and triathlon directory for international triathlons and long distance triathlons.