Boulder Rez Marathon

Schedule

Sat, 15 Aug, 2026 at 07:15 am

UTC-06:00

Location

Boulder Reservoir | Boulder, CO

Advertisement
Marathon - Marathon Relay - 3/4 Marathon - Half Marathon - 10k

Where is it happening?

Boulder Reservoir, Boulder, United States

Event Location & Nearby Stays:

Icon
Know what’s Happening Next — before everyone else does.
BBSC Endurance Running

Host or Publisher BBSC Endurance Running

Tags:

Running in BoulderMarathons in Boulder

Ask AI if this event suits you:

Discover More Events in Boulder

Rufus Du Sol at Folsom Field Stadium
Sat, 22 Aug at 07:30 pm Rufus Du Sol at Folsom Field Stadium

Folsom Field Stadium

CONTESTS TRIPS-ADVENTURES
Ben B\u00f6hmer in Boulder
Sat, 22 Aug at 07:30 pm Ben Böhmer in Boulder

CONCERTS MUSIC
RUFUS DU SOL with Ben Bohmer
Sun, 23 Aug at 01:30 am RUFUS DU SOL with Ben Bohmer

Folsom Field

New Class on Joint Capsules, Bursas and Tendons
Sun, 23 Aug at 10:00 am New Class on Joint Capsules, Bursas and Tendons

5055 Chaparral Court, Suite 103. Boulder, CO 80301

WORKSHOPS
2026 Be Brave 1M 5K 10K 13.1 26.2
Sat, 07 Mar at 01:00 pm 2026 Be Brave 1M 5K 10K 13.1 26.2

Boulder

SPORTS NONPROFIT
2026 Race Alotl for the Axolotl 1M 5K 10K 13.1 26.2
Sun, 08 Mar at 01:00 pm 2026 Race Alotl for the Axolotl 1M 5K 10K 13.1 26.2

Boulder

SPORTS NONPROFIT
2026 Day of the Dead 1M 5K 10K 13.1 26.2
Sat, 14 Mar at 01:00 pm 2026 Day of the Dead 1M 5K 10K 13.1 26.2

Boulder

SPORTS NONPROFIT
Lucky Leprechaun 5K
Sat, 14 Mar at 04:00 pm Lucky Leprechaun 5K

Twisted Pine Brewing

SPORTS MUSIC
Luck of the Irish 5K
Tue, 17 Mar at 01:00 pm Luck of the Irish 5K

Boulder

SPORTS NONPROFIT
Chelsea Sodaro: An Unlikely Journey to Triathlon, Motherhood, and Ironman World Champion
Wed, 18 Mar at 07:30 pm Chelsea Sodaro: An Unlikely Journey to Triathlon, Motherhood, and Ironman World Champion

Chautauqua Community House

SPORTS CYCLING
2026 The Truth is Out There 1M, 5K, 10K, 13.1, 26.2
Fri, 20 Mar at 01:00 pm 2026 The Truth is Out There 1M, 5K, 10K, 13.1, 26.2

Boulder

SPORTS NONPROFIT
eTown Presents Ellis Paul
Sat, 21 Mar at 07:00 pm eTown Presents Ellis Paul

1535 Spruce St, Boulder, CO, United States, Colorado 80302

MUSIC ENTERTAINMENT
2026 First Responders 1M 5K 10K 13.1 26.2
Sat, 28 Mar at 01:00 pm 2026 First Responders 1M 5K 10K 13.1 26.2

Boulder

SPORTS NONPROFIT
2026 Boulder Polar Plunge presented by Spectrum
Sat, 04 Apr at 11:00 am 2026 Boulder Polar Plunge presented by Spectrum

Boulder Reservoir

Boulder Rez Half Marathon
Sat, 11 Apr at 08:00 am Boulder Rez Half Marathon

Boulder Reservoir

MARATHONS SPORTS
CU Diabetes Link 5K
Sun, 12 Apr at 09:00 am CU Diabetes Link 5K

Visual Arts Complex, Department of Art & Art History

NONPROFIT
Avery Spring 5k | Avery Brewing | 2026 CO Brewery Running Series
Sun, 26 Apr at 10:00 am Avery Spring 5k | Avery Brewing | 2026 CO Brewery Running Series

Avery Brewing Company

WORKSHOPS MUSIC
2026 Dash & Dine 5k Run Series
Tue, 28 Apr at 06:30 pm 2026 Dash & Dine 5k Run Series

5565 Reservoir Rd, Boulder, CO, United States, Colorado 80301

SPORTS MARATHONS
Be Kind to Your Mind 1M 5K 10K 13.1 26.2
Sat, 02 May at 01:00 pm Be Kind to Your Mind 1M 5K 10K 13.1 26.2

Boulder

SPORTS NONPROFIT
Emerge 5K 2026
Sun, 03 May at 08:00 am Emerge 5K 2026

Boulder Reservoir

WORKSHOPS

What's Happening Next in Boulder?

Discover Boulder Events