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Join us this Memorial Day for our 45th Runniversary, and be part of the boldest show on earth.

Boulder, Colorado USA
Joined April 2009
TOMORROW IS GO TIME for the 2026 BOLDERBoulder! Smile for the @DenverChannel Smile Cam on your right-hand side as you enter Folsom Field! Not running? Watch your friends and family come across that finish line at Denver7.com/SmileCam
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And results for the Mens International Team Challenge rtrt.me/dash/LB-92UB4DPT #bb10k #BB25 #BOLDERBoulder
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Initial results for the Women's International Team Challenge rtrt.me/dash/LB-5TVNKUGD
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Way to fight so Bold Conner Mantz
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Unofficial 28:21 the first ever to Win 3x in a Row. The Mens Champion, Conner Mantz!!! #BolderBoulder #BB25
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Just waiting for the Mens race to enter Folsom Field
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Our lead woman Nawowuna feom Kenya is now on Folsom with 1k to go!! Huge lead
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At 3M for the men Ebenyo of Kenya has taken a strong breakaway. Also on course recored pace. The weather is perfect for fast times today
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Grace Mayowuna just past 4 mile under course record pace!!!
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Looking like Conner Mantz may have grabbed the 1st Bank First to Folsom Prime. Also needs to finish in the top 10 to grab that $$ but he is also chasing a 3-peat!! First time ever #teamusa
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They’re off! The men’s International Team Challenge is blazing through Boulder. 7 teams, 10 kilometers, and one epic showdown at altitude. Let’s go! #BolderBoulder2025 #BB25 #bolderboulder10k #boldrunning #livebolderrunboulde
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Next up: the men’s International Team Challenge—and it’s stacked. 7 national teams. Altitude. Aggression. Who will break through in Boulder? Kenya 🇰🇪, Ethiopia 🇪🇹, Eritrea 🇪🇷, Mexico 🇲🇽, Morocco 🇲🇦, and two powerhouse USA squads 🇺🇸.
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🎥 The International Team Challenge women’s race is underway! Five teams. World-class talent. 10K through the streets of Boulder. Let’s go USA 🇺🇸, Kenya 🇰🇪, Ethiopia 🇪🇹, Mexico 🇲🇽! #BolderBoulder2025 #bolderboulder10k #BB25
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Introductions of the women's field in a moment
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🌍 The International Team Challenge brings the world’s best to Boulder. 👟 Women’s teams: USA Red 🇺🇸, USA White 🇺🇸, Kenya 🇰🇪, Ethiopia 🇪🇹, Mexico 🇲🇽 🔥 Men’s teams: USA Red, USA White, Kenya, Ethiopia, Eritrea 🇪🇷, Mexico, Morocco 🇲🇦 Who will rise at altitude? #BB25
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The first to finish the men’s and women’s A wave - Nick Scudder and Sara Vaughn! #BolderBoulder2025
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