Mile High Mile
- Date
- May 23, 2026
- Location
- Boulder High School, Boulder, CO
- Distance
- Elite Invitational · Kids 1/2 Mile · Community Races - All ages, all speeds & more
From the Organizer
The Boulder Road Runner's Mile High Mile presented by Sara Vaughn at Liv Sotheby's
Saturday, May 23 | Boulder High School
The Mile High Mile is back for its 8th season—bringing a high-energy night of racing to Boulder for runners of all ages and abilities.
This year, we’re introducing a new format designed to make the event more accessible, more flexible, and more fun—whether you're chasing a PR or just showing up to run a mile with your crew.
Two Ways to Race
1. Community Miles (Chip-Timed) – All Afternoon
We’re opening the track to everyone.
- Open to all ages and abilities, including youth runners (14 & under)
- Chip-timed results with instant finish times
- Printed finisher certificates to take home
- Rolling wave starts every ~15 minutes
- Miss your start? No problem—just jump into the next wave
This is your chance to experience the energy of the Mile High Mile in a low-pressure, high-fun environment.
2. Competitive Heats (FAT-Timed) – Late Evening
As the sun sets, the racing heats up.
- Fully Automatic Timing (FAT) for official results
- Seeded heats based on pace, including:High school races
- Open and sub-elite sections
- Elite Women’s & Men’s races to close out the night
- Athlete introductions and a true track meet atmosphere
- Yes—you can break the tape
Why You Should Be There
- A uniquely inclusive + competitive track event
- Designed for first-timers, families, and serious racers alike
- A chance to race under the lights and stay for the fastest mile racing in Colorado
- Community energy early → electric racing atmosphere late
Distances & Pricing
Race Location
About This Sport
From Endurance Grid's Founder
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.
Running
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
More running races in CO
Gluten Free Gallop 5K
5K
Wednesday Worlds Palmer Park
Women's Specific High Trails Trail Running Retreat
12th Annual Run for the Ring
Frequently Asked Questions (FAQs)
- What is the Mile High Mile?
- Mile High Mile is a running event held in Boulder, CO. Learn more about the different endurance sports here.
- When and where is the Mile High Mile?
- Saturday, May 23, 2026 in Boulder, CO at Boulder High School, Boulder, CO. Check the official event page for exact start times and wave schedules.
- How do I register for the Mile High Mile?
- Registration is handled through their official registration page. Confirm pricing, distances available, and sign up there.
Mile High Mile
May 23, 2026