Worldwide Half Marathon Calendar – Manually Vetted Races | HalfMarathon.net 2,431 events | HalfMarathon.net

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Jun

06

2026

Basalt, Colorado (United States of America) - "Basalt Half Marathon & 2-Person Relay". Fast picturesque course runs downhill from Ruedi Resevoir to Basalt along the Frying Pan River. The 48th annual event is a fund raiser for the local high school cross country team. Runners are bussed to the start and run point to point finishing at Basalt Middle School. www.basalthalfmarathon.com

Jun

27

2026

Georgetown, Colorado (United States of America) - "Slacker Half Marathon / Relay / 4-Mile Races". Hey Beautiful Slackers! The 2026 Slacker Races will be held on Saturday, June 27. Registration is open! Get ready for an epic adventure at the 2026 Slacker Races! Seize the chance to earn your bragging rights as a true Slacker! Embark on this exhilarating journey starting at the base of Loveland Ski Area, perched at an impressive elevation of 10,630 feet. Brace yourself for an unforgettable descent to 8,400 feet, followed by post-race festivities in charming, historic Georgetown. Picture an abundance of freebies, locally crafted beer, post race pampering, and entertainment to celebrate your achievement! The course is a thrilling mix of dirt and paved roads, guiding participants through enchanting wetlands, natural waterfalls, breathtaking views of the Continental Divide, and remnants of historic mining sites. POST RACE LOCATION: CITY PARK / FOSTERS PLACE. FULL DETAILS CAN BE FOUND ON OUR WEBSITE. See you June 27, 2026, Slackers! www.slackerhalfmarathon.com

Oct

03

2026

Colorado Springs, Colorado (United States of America) - "Colorado Springs Marathon, Half, 5K, and Kids K". Join us for the 13th Annual Colorado Springs Marathon on Saturday, October 3, 2026! Whether you're a seasoned runner or taking on your first 5K, we have four exciting race options to choose from. Each course highlights the stunning beauty of Colorado Springs' winding past historic landmarks, through scenic parks, and finishing downtown at the Colorado Springs Pioneers Museum, where a lively post-race celebration awaits. This premier, family-friendly event draws participants from across the country and has sold out five years in a row' secure your spot today! https://runsignup.com/Race/CO/ColoradoSprings/cosmarathon?aflt_token=Nktw0AUB3nF4FPeh7Y7AWqQewFdw9sGt



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