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Races in Colorado

Colorado Races
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Boulder Stroke & Stride
Thu, Jul 9, 2026
Boulder, Colorado (Boulder Reservoir)
Sprint Aquathlon : Sprint Aquathlon
Open Water Swim : Open Water Swim
5K Run : Run 3.1 miles
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Frisco Triathlon - Friday
Fri, Jul 10, 2026
Frisco, Colorado (Frisco Bay Marina)
SUP Off Road Triathlon : Stand Up Paddle 2 miles, Mountain Bike 7.4 miles, Trail Run 3.1 miles
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LG TRI
Sat, Jul 11, 2026
Gypsum, Colorado
LG TRI 2026: Splash, Grind, Sprint : Swim 750 meters, Bike 12.4 miles, Run 3.1 miles
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All-Out Dog Days
Sat, Jul 11, 2026
Westminster, Colorado
Half Marathon : Run 13.1 miles
10K : Run 6.2 miles
5K : Run 3.1 miles
VIRTUAL Half Marathon : Run 13.1 miles
VIRTUAL 10K : Run 6.2 miles
VIRTUAL 5K : Run 3.1 miles
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Heatwave Half Marathon - Denver
Sat, Jul 11, 2026
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
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Grin & Bear It 25K & 15K Runs (or MTB)
Sat, Jul 11, 2026
Crested Butte, Colorado
25K Run : Run 15.5 miles
15K Run : Run 9.3 miles
15 Mile Mountain Bike : Mountain Bike 15 miles
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Surf and Turf Triathlon
Sun, Jul 12, 2026
Aurora, Colorado (Aurora, Colorado USA)
Surf and Turf Triathlon - Sprint Triathlon : Swim 800M, Bike 16KM, Run 5KM
Surf and Turf Triathlon - Super Sprint Triathlon : Swim 400M, Bike 8KM, Run 2.5KM
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2026 Boulder Peak Triathlon
Sun, Jul 12, 2026
Boulder, Colorado (Boulder Reservoir)
Olympic Triathlon : Swim 1500 meters, Bike 24.8 miles, Run 6.2 miles
Olympic Aquabike : Swim 1500 meters, Bike 24.8 miles
Olympic Duathlon : Run 3.1 miles, Bike 24.8 miles, Run 6.2 miles
Sprint Triathlon : Swim 750 meters, Bike 17 miles, Run 3.1 miles
Sprint Duathlon : Run 2 miles, Bike 17 miles, Run 3.1 miles
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Rocky Mountain State Games
Sun, Jul 12, 2026
Colorado Springs, Colorado (colorado springs, Colorado USA)
Rocky Mountain State Games : varied
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Heatwave Half Marathon - Colorado Springs
Sun, Jul 12, 2026
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
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Boulder Stroke & Stride
Thu, Jul 16, 2026
Boulder, Colorado (Boulder Reservoir)
Sprint Aquathlon : Swim 800 meters, Run 3.1 miles
Stroke & Stride Aquathlon : Swim 1600 meters, Run 3.1 miles
1/2 Mile Swim : 800 meters
1 Mile Swim : 1 mile Swim
5K Run : Run 3.1 miles
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Festival in the Clouds 5K
Sat, Jul 18, 2026
Alma, Colorado (Alma, Colorado USA)
Festival in the Clouds 5K - Super Sprint Run : Run 3.1 miles
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