September Multisport Events within 50 miles of Aurora, CO
City Location
1. Littlefoot Triathlon
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Sep 6, 2025Saturday
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sprint triathlon
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Lakewood, CO
13 miles point to pointJefferson County, CO
2. SheSprints
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Past DateSep 7, 2024Saturday
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sprint triathlon | sprint triathlon relay | sprint duathlon
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Women Only
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Aurora, CO
Arapahoe County, CO
3. Tri the Rock
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Past DateSep 8, 2024Sunday
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youth triathlon
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Castle Rock, CO
25 miles point to pointDouglas County, CO
4. Tri-Our-Village Youth Triathlon
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Past DateSep 8, 2024Sunday
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youth triathlon
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Greenwood Village, CO
10 miles point to pointArapahoe County, CO
5. Harvest Moon Long Course Triathlon
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Sep 13, 2025Saturday
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half triathlon | half duathlon
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Boulder, CO
31 miles point to pointBoulder County, CO
6. Oktoberfest Sprint Triathlon
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Sep 21, 2025Sunday
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sprint triathlon
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Longmont, CO
33 miles point to pointBoulder County, CO
7. Last Call Triathlon
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Sep 28, 2025Sunday
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sprint, supersprint triathlon | sprint triathlon relay | sprint duathlon | sprint duathlon relay | sprint aquathon
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Loveland, CO
48 miles point to pointLarimer County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.