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BOLDERBoulder

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BOLDERBoulder

The official page of the BOLDERBoulder 10K. Join us Memorial Day and be part of the boldest show on earth! OH YES YOU CAN! LIVE BOLDER. RUN BOULDER. BE BOLDER!
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In December join our holiday 5K, the COLDERBolder, always on the first Saturday. The BOLDERBoulder, named "America’s All-Time Best 10K" by Runner’s World, is the biggest Memorial Day tradition on earth. Each year it attracts roughly 50,000 runners, walkers and wheelchair racers and 100,000 spectators. The course winds through the neighborhoods of Boulder, CO with live music and entertainment aroun

d every corner. The famous finish and Memorial Day Tribute is at the University of Colorado’s Folsom Field. The BOLDERBoulder is the 4th largest running race in the United States and the 7th largest in the world. It also draws professional athletes from around the world to compete for one of the largest non-marathon prize purses in running. For more information, run over to www.bolderboulder.com

09/15/2026

🏃 𝟮𝟭𝟵 𝗡𝗘𝗪 𝗧𝗢𝗣-𝟮𝟬 𝗣𝗘𝗥𝗙𝗢𝗥𝗠𝗔𝗡𝗖𝗘𝗦. 𝟭𝟬 𝗡𝗘𝗪 𝗔𝗚𝗘 𝗥𝗘𝗖𝗢𝗥𝗗𝗦. 🏃

The BOLDERBoulder record books have been updated following the 2026 race!

This year, 219 performances earned a spot on our all-time Single-Age Top-20 Lists, including 10 new No. 1 performances:
🏆 𝗖𝗵𝗿𝗶𝘀 𝗚𝗿𝗮𝘂𝗰𝗵 (age 53 Men) – 34:52
🏆 𝗙𝗿𝗮𝗻𝗸 𝗭𝗼𝗹𝗱𝗮𝗸 (age 59 Men) – 35:34
🏆 𝗞𝗿𝗶𝘀𝘁𝗶𝗻𝗲 𝗖𝗹𝗮𝗿𝗸 (age 63 Women) – 42:10
🏆 𝗝𝗮𝗰𝗸 𝗣𝗼𝘁𝘁𝗹𝗲 (age 71 Men) – 43:07
🏆 𝗦𝘁𝗲𝘃𝗲 𝗕𝗲𝗹𝗹 (age 76 Men) – 51:04
🏆 𝗚𝗮𝗿𝘆 𝗢𝘀𝘁𝘄𝗮𝗹𝗱 (age 80 Men) – 48:29
🏆 𝗪𝗶𝗹𝗹𝗶𝗮𝗺 𝗥𝗲𝗽𝗽𝗵𝘂𝗻 (age 82 Men) – 58:30
🏆 𝗗𝗲𝗻𝗻𝗶𝘀 𝗠𝘂𝗶𝗿𝗵𝗲𝗮𝗱 (age 85 Men) – 1:00:38
🏆 𝗖𝗼𝗻𝘀𝘁𝗮𝗻𝗰𝗲 𝗔𝗵𝗿𝗻𝘀𝗯𝗿𝗮𝗸 (age 86 Women) – 1:18:17
🏆 𝗝𝗲𝘀𝘀𝗲 𝗔𝘄𝗲𝗶𝗱𝗮 (age 95 Men) – 2:07:24

Forty-six years of BOLDERBoulder history. One list for every age. And a whole lot of fast running.

🔗 See the updated Single-Age Top-20 Lists 👉 www.bolderboulder.com/all-time-records

09/11/2026

Today, we remember.

We honor the lives lost on September 11, 2001, the heroes who answered the call, the families and communities forever changed by that day, and those who continue to serve and protect us today.

Twenty-five years later, we will never forget. 🇺🇸

09/08/2026

Have old electronics taking up space?

Our partners at Denver7 can help with that. Check out the 𝗗𝗲𝗻𝘃𝗲𝗿𝟳 𝗘𝗹𝗲𝗰𝘁𝗿𝗼𝗻𝗶𝗰𝘀 𝗥𝗲𝗰𝘆𝗰𝗹𝗶𝗻𝗴 𝗗𝗿𝗶𝘃𝗲 this Saturday, Sept. 12 at DICK’s Sporting Goods Park in Commerece City.

TVs, computers, phones, small appliances and more accepted. $5 per carload with additional fees for some items.

Details 👉 www.Denver7.com/ElectronicsRecycling

09/07/2026

🏆 U.S. CHAMPION & TEAM USA BOUND! 🇺🇸

Congratulations to BOLDERBoulder alum Rachael Rudel, who captured her first U.S. title today at the USA Track & Field 20 km Championships in New Haven, Connecticut! Rudel crossed the line in 1:04:58 to claim the national championship and earn a spot on Team USA for the 2027 World Road Running Championships.

Rudel finished third at this year's BOLDERBoulder, running the fastest American time (32:46) in race history

From Boulder to the top of the U.S. podium - congratulations, Rachael! 👏🇺🇸

09/04/2026

𝗕𝗼𝘂𝗹𝗱𝗲𝗿 𝗡𝗮𝗺𝗲𝗱 𝘁𝗵𝗲 𝗕𝗲𝘀𝘁 𝗥𝘂𝗻𝗻𝗶𝗻𝗴 𝗖𝗶𝘁𝘆 𝗶𝗻 𝘁𝗵𝗲 𝗨𝗦𝗔 𝗯𝘆 𝙍𝙐𝙉 𝙥𝙤𝙬𝙚𝙧𝙚𝙙 𝙗𝙮 𝙊𝙪𝙩𝙨𝙞𝙙𝙚!

We’re so proud to be a part of the culture, community, and energy that makes this place second to none. Thank you to everyone who laces up and keeps Boulder moving! Read the full feature at the link in our bio 🏃⛰️"

Check out the complete list 👉 https://run.outsideonline.com/road/road-culture/the-best-american-cities-for-running/?scope=initial

09/03/2026

𝗦𝘁𝗲𝘃𝗲 𝗕𝗼𝘀𝗹𝗲𝘆 𝗮𝗻𝗱 𝗙𝗿𝗮𝗻𝗸 𝗦𝗵𝗼𝗿𝘁𝗲𝗿 𝗥𝗲𝗰𝗼𝗴𝗻𝗶𝘇𝗲𝗱 𝗔𝗺𝗼𝗻𝗴 𝗖𝗼𝗹𝗼𝗿𝗮𝗱𝗼’𝘀 𝟭𝟱𝟬 𝗠𝗼𝘀𝘁 𝗜𝗻𝗳𝗹𝘂𝗲𝗻𝘁𝗶𝗮𝗹 𝗖𝗼𝗹𝗼𝗿𝗮𝗱𝗮𝗻𝘀

We’re beyond proud to share that Steve Bosley and Frank Shorter have been named to The Denver Post's list of Colorado’s 150 Most Influential Coloradans! Thank you for setting the pace, thinking big, and staying BOLD

🌟 Catch all the details in our official press release 👉 www.bolderboulder.com/blog/bolderboulder-co-founders-steve-bosley-and-frank-shorter-recognized-among-colorados-150-most-influential-coloradans

09/02/2026

🏆𝗖𝗢𝗡𝗚𝗥𝗔𝗧𝗨𝗟𝗔𝗧𝗜𝗢𝗡𝗦, 𝗔𝗗𝗗𝗜𝗦𝗨 𝗚𝗢𝗕𝗘𝗡𝗔!

Congratulations to BOLDERBoulder alum Addisu Gobena on winning Sunday’s Sydney Marathon, one of the prestigious Abbott World Marathon Majors!

Addisu is no stranger to the streets of Boulder. The Ethiopian standout finished 4th at the 2025 BOLDERBoulder, and now adds a World Marathon Major victory to his impressive résumé.

From Boulder to Sydney — congratulations, Addisu! 🇪🇹👏

08/31/2026

Those who ran the last BB10K or CB5K get the first chance to register since this event sells out. Check your email September 24th if that’s you. Everyone else, registration opens a week later — mark your calendars! We’re snow excited! ❄️

07/24/2026

Everybody wants this 😉🏃‍♀️

Address

Boulder, CO
80301-80310, 80314, 80321-80323, 80328, 80329

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Website

http://www.bolderboulder.com/

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