Race guides

Half Marathon Races in Littleton, Co

Browse upcoming races and find your next event.

Found 2 upcoming races•Updated daily•Last updated: Jun 14

Heatwave Half Marathon - Denver

📍 Littleton, CO•📅 Saturday, Jul 11, 2026•3 events
13.1 Miles13.1 Miles13.1 Miles
View detailsRace website

Quick registration

13.1 Miles

Starts 7/11/2026, 7:00:00 AM• Current price: $55
Register 13.1 Miles

Alerts

Platte River Half-Marathon, Relay & 5k

📍 Littleton, CO•📅 Sunday, Apr 11, 2027•2 events
13.1 Miles13.1 Miles
View detailsRace website

Quick registration

13.1 Miles

Starts 4/11/2027, 7:00:00 AM• Current price: $70
Register 13.1 Miles

Alerts

Explore more races

5K Races10K RacesHalf Marathon RacesMarathon RacesTriathlon Races5K Races in CoHalf Marathons in Co5K Races in Littleton10K Races in Littleton