Event Description

The Spring Boulder Rez Half Marathon, 10K and 5K is quickly becoming a Boulder favorite! And, the incredible Colorado weather in the beginning of June couldn’t be better for hitting your new PR. Athletes travel from all over the US to run on this phenomenal course, with views of the Flatirons painted in the distance. Bring your friends and family to cheer you on, this is a spectator-friendly course. All participants will receive a glamorous finisher medal, cool shirts, and a goodie bag full of samples! We will host an awards ceremony and post-race party with beer, food, race expo and the chance to win prizes too!

Event details and schedule

• Scenic, mountainous and water views throughout course

  • ​Run entirely around the Boulder Reservoir

• Early & Race Day Packet Pick Up Options

• Accurately measured, clearly marked courses

  • ​Professional run course support team​

  • Extra volunteers throughout course

• Reliable, Accurate, Instant Timing & Results

• Post-Race food available to all finishers

• Local Sponsor Prizes

• Sweet SWAG including:​

  • Men's & Women's Specific Next Level© Tee

  • Custom Finisher Medal

  • Goodie Bag

• Top 3 Overall Awards 

  • ​Overall Awards Ceremony​ Recognition

  • BBSC Gear & Local Sponsor Prizes will be awarded to winners

• Awards for All Age Divisions (10 year Age Groups)