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20th year May 16-17 2026! The Colfax Marathon: 2 days, 8 races. Including Denver’s only Marathon & Half Marathon through Denver Zoo. #RunColfax

Denver, Colorado
Joined October 2010
Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)Photo by Denver Colfax Marathon (@runcolfax)
In Denver for race week? Make a trip out of it! 🏔️ From local food spots and shopping to live entertainment and Colorado's incredible outdoors, there's plenty to explore beyond the starting line. Swipe through for ideas to add to your Denver itinerary, whether you're here to race, cheer, or explore! Who are you bringing along for race weekend? #runcolfax #thingstodoindenver #colfax2027
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How would you describe the "Runner's High?" All we know is that it's why we always come back to running 😏 Looking for your next race? Sign up today for one of our 5 race options at RunColfax.org! #runcolfax #runnershigh #runningisaddictive
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Candy tastes a little different when you're 8 miles into a long run. 😂🍬 In honor of National Candy Day, we're celebrating the sweet treats that sometimes find their way into a runner's fuel plan. ➡️ Swipe to see the lineup! What's your go-to mid-run candy? #runcolfax #candyforfuel #runningfuel
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POV: You step up to the starting line and realize the race you've been training for all these months is finally HERE. Ahead of you? 13.1 miles of Denver landmarks, mountain views, a mile through Denver Zoo, and a finish line celebration in City Park. Ready to make race day yours? Run the Denver Colfax Half Marathon on May 16, 2027 and grab your bib at RunColfax.org ⬅️ #runcolfax #colfaxhalf #coloradohalfmarathon #halfmarathon
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May might feel far away, but now is the perfect time to start working toward a big goal! You could... 🏃 Build your endurance 💪 Create a consistent routine 🎯 Give yourself something to work toward 🔥 See how much stronger you can get 🏅 Chase that unforgettable finish line feeling You've got months to train, grow, and surprise yourself. Make May your goal. Sign up for Denver Colfax at RunColfax.org #runcolfax #denvercolfaxmarathon #marathonprep
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Running from your problems, but make it festive 🎃🏃‍♀️ There’s no better way to make running more fun than adding a costume, a little creativity, and a whole lot of Halloween spirit. Happy Halloween! #halloween2026 #runcolfax #runningcostumes
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🗽 Happy feet to all those running the @nycmarathon on Sunday! Enjoy touring the 5 boroughs and hearing the cheers from the crowds. Special shoutout to your Colfax Ambassadors Mini and Dave! Run the only Marathon in Denver this May 👉 RunColfax.org
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🥞 ONLY A COUPLE MORE DAYS! 🥞 The FREE Runners Roost Pancake Run is almost here! 🏃‍♀️🎃 Join us October 31st at Runners Roost on Colorado Blvd. for a morning of miles, community, and of course… PANCAKES! 🥞 📅 October 31 at 8am 📍 Runners Roost – Colorado Blvd 💸 FREE to join! 👻 Costume Contest 🎟️ facebook.com/events/19903399… Tag your running buddy and get ready to run for your breakfast! #RunColfax #PancakeRun #RunnersRoost #DenverRunning
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🦒🐘🐧 It gets wild on the Half Marathon course through @DenverZoo where animals are cheering you on! runcolfax.org/races/half-mar… Register now while the prices are wildly lowest of the season! Sells out every year 🎉 #RunColfax #HalfMarathon #RunningCommunity #Runner #RunWild
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There’s something special about running before the world wakes up. Quiet streets, cool air, the first light of the day, and a few miles to clear the mind🌄 What’s one thing you love about running in the morning? #runcolfax #morningruns #runnercommunity
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You’ve pictured it — arms raised, heart racing, crossing that line. This could be you at the finish line. Make it happen this May in Denver: 👉 runcolfax.org/races/ #WhatIfYouCan #RunColfax #Marathon #HalfMarathon #RelayRace #RunningCommunity
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On October 31 at 8am at Runners Roost Denver, Flippin' Flapjacks will be making their pancakes as you finish your miles so they're hot and fresh 🥞 All we need to know is you're coming by hitting "Going" on the event: facebook.com/events/19903399… 🎃 Yes a Costume Contest will be happening as it's Halloween! There will also be Boyer's Coffee, ASICS, and more ... all free to celebrating kicking off Colfax Marathon training and bringing the community together! #WillRunForPancakes #RunColfax #Marathon #HalfMarathon #10Miler #MarathonRelay #ColfaxMarathon
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What time of day do you run? 🌄 Morning 🍕 Lunch ✨ Evening #RunnerTraining #RunColfax #marathon #halfmarathon
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When will you start training for your spring race? Here are some things to think about from Hal Higdon's Marathon halhigdon.com/training-progr… #RunColfax #TrainingTips #Running #Marathon #HalfMarathon #Colorado #GetOutside
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Who's wants to be a marathoner in 2027?!?! runcolfax.org/races/marathon… 7 months until May 16 for Denver's only Marathon and largest running weekend in The Rockies! 🏟️ Run through the stadium twice 🚒 Through a fire station 🏞️ Along the river & around a lake 🌆 In the city 🎉 Huge party Registration includes unique medal, shirt, course photos, lunch, drinks, live band, and more! runcolfax.org/races/marathon… #Marathon #RunColfax #ColfaxMarathon #DenverMarathon #Runner #RunningLife
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Some call it pasta. Runners call it race fuel 🍝🏃‍♀️ Happy National Pasta Day! What’s your go-to pre-race pasta dish and where from? Tell us below! #nationalpastaday #carbload #runnerlife
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At Colfax, the energy doesn’t stop at the starting line. From live music and performers to DJs, dancing, cheering crowds, and surprises along the way, there’s always something to keep you moving 💃 Come run the most entertaining miles in Denver. We’ll see you on the course! 📲Want to join the party? RunColfax.org #runcolfax2027 #denvercolfaxmarathon #racecourseentertainment
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🏃‍♂️ "The miracle isn’t that I finished. The miracle is that I had the courage to start." — John Bingham Every journey begins with one brave step. Keep moving forward — your future self will thank you. 🌅💪 #RunColfax #RunnerMotivation #Inspiration #RunningCommunity #KeepGoing #MindOverMiles #Marathon
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Team up. Lace up. Run it up. 🏁 The Marathon Relay is calling—who’s on your squad? 👟 runcolfax.org/races/marathon… ⭐️ Save money now & add names later. Everyone gets shirt, medal, lunch, drinks, digital pics, and more! #MarathonRelay #RunnersOfIG #TogetherWeRun #RunForGood #RunColfax
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🏅 Who's feeling inspired after yesterday's Bank of America Chicago Marathon?!?! 👉 You have time to be ready for May in Denver: runcolfax.org/races/marathon… #RunColfax #Marathon #MarathonGoals #RunningCommunity #DenverRunning #ChicagoMarathon #RunningMotivation #MarathonCommunity #RunnersOfInstagram
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