The Sunlight Showdown
- Date
- June 27 – September 19, 2026
- Distance
- 5k Trail Run · 10k Trail Run · 1/2 Marathon Trail Run
From the Organizer
Welcome to the Sunlight Mountain Race Series brought to you by Arc'teryx Aspen, where mountain air, winding trails, and a vibrant community come together for an unforgettable summer of running.
For seven years, our half marathon has challenged and inspired runners on the stunning trails of Sunlight Mountain. Now, we’re taking it to the next level. Introducing a full race series: a 5K, 10K, and Half Marathon designed to help you build, progress, and push your limits all season long.
Starting with the 5K, stepping up to the 10K, and culminating in our signature Half Marathon, this series is built for growth, whether you’re new to trail running or chasing your next big goal. Each race winds through the breathtaking terrain of Babbish Gulch and Sunlight Mountain, offering a mix of beauty, challenge, and pure mountain magic.
This is more than a race, it’s a community. A place where first timers and seasoned runners line up together, support each other, and celebrate every mile.
Come for the trails. Stay for the progression. Be part of the Sunlight Mountain Race Series.
Check back for course descriptions and maps in the coming weeks!
5k approx. elevation gain: 600ft
10k approx. elevation gain: 1100ft
Half Marathon approx. elevation gain: 3000ft
Podium prizes provided by Arc'teryx Aspen
Age Categories:
18 and under
19-45
45+
As the race series grows will will add more age catergories!
We will hold a racer drawing at the conclusion of each race so all participants have a chance to win something sweet!
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
86°
Typical Low
49°
Chance of Rain
15%
Based on US Climate Normals data from Glenwood Spgs #2, 1 mi from the venue.
Host City
About Glenwood Springs, CO
Population
10,171
as of 2023
Elevation
5,820 ft
Nearest Airport
EGE
Eagle County Regional Airport · 23 mi
Major Hub
DEN
Denver International Airport · 143 mi
Time Zone
Mountain Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at The Sunlight Showdown, put it on the calendar, and turn “someday” into a start date.
19
Days to train
- Race
- The Sunlight Showdown
- Date
- June 27 – September 19, 2026
Coming Up
More Running races near Glenwood Springs, CO
Strawberry Shortcut
Less than a mile away
40th Annual Boogie's Buddy Race, Presented By Aspen Valley Health
34 miles away
Run For Your Life 5K
5K
46 miles away
Grin & Bear It
49 miles away
From Endurance Grid
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.
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.
Frequently Asked Questions (FAQs)
- What is The Sunlight Showdown?
- The Sunlight Showdown is a running race held in Glenwood Springs, Colorado on June 27, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is The Sunlight Showdown?
- Saturday, June 27, 2026 in Glenwood Springs, Colorado at 10901 County Road 117, Glenwood Springs, CO. Check the event page for exact start times and wave schedules.
- How do I register for The Sunlight Showdown?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
The Sunlight Showdown
Jun 27, 2026