Fastest 5Ks in Colorado
The Colorado 5Ks where finishers run fastest, ranked by median finish time over each race's last three years of results.
- 129:34median finish
- 230:07median finish
- 312th edition Sole Mates 5k & Brew Fest presented by Shoes & Brews and Left Hand BrewingLongmont1,484 finishers over 3 yearsNext: Nov 7, 202630:23median finish
- 430:39median finish
- 530:43median finish
- 631:25median finish
- 7Homecoming 5K at Colorado State UniversityFort Collins3,052 finishers over 3 yearsLast run Oct 3, 2026 53°F race morning32:10median finish
- 832:11median finish
- 932:35median finish
- 1032:48median finish
- 1133:04median finish
- 1233:07median finish
- 1333:08median finish
- 1433:11median finish
- 15Apex Foundation Trick or Trot 5K & Halloween Hunt Powered by REP FitnessArvada435 finishers over 3 yearsLast run Oct 24, 202633:37median finish
- 1633:43median finish
- 1733:51median finish
- 1833:58median finish
- 1934:17median finish
- 2034:18median finish
- 2134:20median finish
- 2234:23median finish
- 2334:27median finish
- 2434:28median finish
- 2534:29median finish
The top 25 of 110 ranked 5Ks in Colorado.
Fastest 5Ks by state
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Common questions
What is the fastest 5K in Colorado?
By the results we track, Alpine Bank Boulder Thanksgiving Day 5K in Boulder: its median finisher runs 29:34, 9:31 per mile, over its last 2 years. Next is Flyin' Lion 5K at 30:07.
How are the races ranked?
By the median finish time of each race's last three years of results: the time half its finishers beat. A race needs at least 200 finishers to be ranked. It reflects the course, the usual weather and who enters: races that draw serious runners rank high.
Which 5K is best for a personal record?
Look for a flat course, a cool race morning and a field near your pace, so you have people to run with. The races here are where finishers run fastest; check each one's course and weather, shown in its listing.