Colorado
Running in Thornton, Colorado
RaceRove lists 64 upcoming races in Thornton.
- Upcoming, date confirmed
- 64
- Active listings
- 122
Thornton races by distance
Upcoming races in Thornton
The next 60 of 64 with a confirmed date, soonest first.
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City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)Denver, CO5K10K ~2,743 runners
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Bound for Boston Marathon & Half Marathon - DenverDenver, COMarathonHalf Marathon10K5K ~150 runners
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Golden Harvest Half Marathon & 5k/10k - DenverWestminster, COHalf Marathon50m1 Mile5K +1 more ~10 runners
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest races in Thornton
By estimated field size across all distances at the event.
Annual events awaiting their next date
These races are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Denver 5K On The RunwayDenver, CO Usually held in September · next date not announced5K Registration with Carpool Parking Pass5K Registration with Individual Parking PassYouth 5K Registration ~2,500 runners
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Apex Foundation Trick or Trot 5K & Halloween HuntArvada, CO Usually held in October · next date not announced5K1 Mile ~2,100 runners
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BRR All-Comers Summer Track & Field Series #4Boulder, CO Usually held in July · next date not announced100m200m400m800m +1 more ~1,537 runners
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Big Waves Family 5K run/walkWestminster, CO Usually held in October · next date not announced5K ~1,514 runners
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Runway 5K - Run for the AngelsBroomfield, CO Usually held in September · next date not announced5K ~1,000 runners
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The Bear ChaseLakewood, CO Usually held in October · next date not announced100K50 Mile50KHalf Marathon +2 more ~89 runners
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9/11 Heroes Run - Denver, ColoradoDenver, CO Usually held in September · next date not announced5K1 Mile
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American Heroes RunLongmont, CO Usually held in September · next date not announced100 Miler24 hrs6 hour open startVirtual - Any Distance
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Bark n' Bolt 1K with the Pints and Pups Dog ExpoArvada, CO Usually held in August · next date not announced1K
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Beware the Bear Trail RacesLakewood, CO Usually held in October · next date not announced5+15 Double15k5kKids 1k
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Break of Dawn North Table Trail RaceGolden, CO Usually held in September · next date not announced10 Mile5 Mile
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Broncos 7KDenver, CO Usually held in September · next date not announced7K ParticipantKids Fun RunVirtual 7K
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BRR All-Comers Summer Track & Field Series #5Boulder, CO Usually held in August · next date not announced100m200m400m800m +1 more
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Cancer League of Colorado Race 4 ResearchDenver, CO Usually held in August · next date not announced5K
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Denver: Walk With Autism and Resource FairDenver, CO Usually held in September · next date not announced6K5K
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DU Crimson Classic 5K Run/1.5 Mile WalkDenver, CO Usually held in October · next date not announced5K1.5 Miles
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Healthy Kids Running Series Fall - Denver, CODenver, CO Usually held in September · next date not announcedKids Run
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Lafayette Music Fest -5K - 10KLafayette, CO Usually held in October · next date not announced10K5K
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Living Water 5K and Family Fun RunDenver, CO Usually held in October · next date not announced3.2 Miles
Run clubs in Thornton
- No clubs listed yet
- RaceRove hasn't verified a local running club in Thornton yet — only real, checked clubs are ever listed.
Guides for Thornton
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Running in Thornton, Colorado: common questions
- How many races are there in Thornton, Colorado?
- RaceRove currently lists 64 upcoming races in Thornton with a confirmed date.
- What is the biggest race in Thornton?
- By estimated field size, the largest race listed in Thornton is the BolderBOULDER 10K, with about 50,000 runners across all of its distances.
Search every race in Thornton
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