
From the Organizer
Join us at Denver's Sloan's Lake Park for a fun and festive 5K.
Distances & Pricing
Race Location
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
Spring Dirt Pile Short Track Race Series
Howelsen Hill Trail Run
July 4th Run 5K/10K/13.1 DENVER/AURORA
RexRun For PAWSitivity 2026 Trail Run/Walk
Frequently Asked Questions (FAQs)
Flamingo Day 5K
Jun 7, 2026