The Slacker Half Marathon, Relay & 4 Mile Races offers runners a unique opportunity to compete in the country's highest downhill half marathon. Starting at an elevation of 10,630 feet, participants enjoy breathtaking mountain views while navigating a challenging yet exhilarating course. Whether you are a seasoned marathoner tackling the half, participating in the relay, or joining the 4-mile race, this event provides an unforgettable experience in the heart of the Colorado Rockies.
What to Expect
Participants can expect a high-altitude running experience with significant downhill sections, professional race organization, and a vibrant community atmosphere in Georgetown.
Who Should Attend
Competitive runners
Recreational runners
Relay teams
High-altitude training enthusiasts
Outdoor sports fans
Agenda Overview
Race day activities include check-in, start times for various race categories, and post-race festivities in Georgetown.
Venue & Address
Georgetown
1001 Taos Street Georgetown , Colorado – 80444 United States
Organizer
Slacker Half Marathon · Race Organization
Organizers of the annual Slacker Half Marathon and associated races in Georgetown, CO.
Frequently Asked Questions
What is the starting elevation?
The race starts at 10,630 feet.
Are there relay options?
Yes, relay race options are available.
Where is the race located?
The race takes place in Georgetown, Colorado.
Is there a shorter race?
Yes, a 4-mile race is offered.
When is the event?
The event is held on June 27, 2026.
Is this a downhill course?
Yes, it is known as the country's highest downhill half marathon.