Half marathons in Colorado
10 upcoming half marathons in Colorado, USA.
6 cities
Busiest: November
From €52
Upcoming races
Your guide to half marathons in Colorado, USA
There are 10 upcoming half marathons in Colorado, USA, spread across 6 cities. Filter by distance or terrain to narrow things down, and save the races you like the look of.
Most take place in November, October and February. Next up is Spooky Sprint - Colorado Springs - Half Marathon in Colorado Springs on 31 October 2026.
Questions runners ask
How many half marathons in Colorado, USA are there?
Finndu lists 10 upcoming half marathons in Colorado, USA, across 6 towns and cities. The list is updated twice a day as organisers announce new races.
When is the next one?
Spooky Sprint - Colorado Springs in Colorado Springs, on 31 October 2026.
Which month has the most half marathons in Colorado, USA?
November, followed by October and February.
How much does it cost to enter?
Entry starts from US$60. Fees vary from race to race, so check each race page for its current price.