Colorado Mountain Half Series

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Colorado Mountain Half Series

Three of Colorado's most beloved and community-based half marathons join forces to create the Colorad

09/11/2026

🍂🏔️ LEAD KING LOOP: The Final Race of the Series! 🏔️🍂

The final race of the Colorado Mountain Half Marathon+ Series is THIS SUNDAY!

First up: Packet Pickup + Late Registration
📅 Saturday, Sept. 12
⏰ 10 am–6 pm
📍 Independence Run & Hike, 901 Colorado 133 Units A & B, Carbondale

Then it’s race day! 🏃‍♀️⛰️

📅 Sunday, Sept. 13
• 7:00 am — 25K hikers/walkers
• 8:30 am — 25K runners
• 8:45 am — 8M Quarry Climb
• 9:00 am — Kids 2.5K

🎉 Celebrate with BBQ😋, a cold b**r 🍺, and awards! 🏆

09/10/2026

🫎⛰️ NED NED TRAIL FEST IS THIS WEEKEND! 🌲

FIRST UP: PACKET PICKUP 👇

📍 Friday, Sept. 11 | 5–6 PM
Teens, Inc. | 151 East St., Nederland

Then it’s race day! 🏃‍♀️🏃‍♂️☀️

Saturday, Sept. 12
⏰ 7:00 AM — Packet pickup & registration opens
⛰️ 8:00 AM — Half Marathon
🏃 9:00 AM — 10K
🏃‍♀️ 9:30 AM — 5K
🎶 10:00 AM — Music starts + b**r & food opens
🏆 11:00 AM — Awards
🎵 2:00 PM — Music & expo wrap up

🚗 FREE PARKING: Barker Meadows Reservoir • Nederland Community Center • Chipeta Park/Lakeview Rd. • RTD Park & Ride • Along Hwy 119 on the south side, eastbound only

09/09/2026

🏔️☀️ THE FINAL WEEKEND OF THE COLORADO MOUNTAIN HALF+ SERIES! 🫎

The summer series wraps up with TWO mountain races this weekend! 🌲🏃‍♀️

🫎 Saturday, Sept. 12 | Ned*Ned Trail Fest
📍 Nederland, CO
Half Marathon, 10K & 5K

🏔️ Sunday, Sept. 13 | Lead King Loop
📍 Marble, CO
25K, 8Mile + Kids Race

Two races. Two beautiful mountain towns. One final weekend of the summer series! ☀️⛰️

Get out there and enjoy some Colorado miles! 🏃‍♂️🌲🫎 www.comtnhalf.com

09/08/2026

🏃‍♀️ WHAT A WEEKEND! 🏃‍♂️

We kicked off September with two great events: the Denver Broncos 7K and the Labor Day Half Marathon! Whether you were racing, cheering, or soaking up the atmosphere, we hope you had a fantastic holiday weekend.

✅ Check out your results here: https://halsports.net/results/

But the fun isn’t over yet! 🎉 Look at this weekend's line up!
✈️ 5K on the Runway is SOLD OUT
🌲 NedNed Trail Fest & Lead King Loop Charity Races = Last 2 of CO Mtn Half Series
🦸 Heroes & Villains Team Hope 5K
🎽 Nun Run Half Marathon, 5K & 1 Mile
🏔️Lead King Loop 25K & 8 M
🏊 Horsetooth Open Water Swim

September isn’t slowing down, and neither are we!
👉 Find details & register: halsports.net

09/02/2026

🍁🏃‍♀️ Ready to RUN WILD this September? 🏃‍♂️🍂

Colorado’s fall race season is here, and this month’s lineup is looking pretty wild! 🐴🦅🦁

From the Broncos 7K and Labor Day Half Marathon to wrapping up the Colorado Half Series, plus Horsetooth, Hawk Invitational, Rut Run, and Lion’s Roar, there’s plenty of action to chase this month. 🏔️

👟 Get your favorites on the calendar and come run with us! 🏔️🍁Check out halsports.net TODAY!

08/15/2026

What a beautiful morning in Ouray! ⛰️ Race #3 of the Colorado Mountain Half Series was a day full of big mountain views, great energy, and plenty of fun!

Thanks to everyone who came out for the Mt. Sneffels Half Marathon, 10K & Kids Fun Run. You got in an amazing workout, enjoyed some seriously spectacular scenery, and helped support the Mt. Sneffels Education Fund along the way. 🏃‍♀️🎉

📸 Race-day memories, mountain views, and good times—what more could you ask for?

🏁 Check your results here: halsports.net

Now it's time to get ready for Ned Ned Trail Fest, Race #4 of the Colorado Mountain Half Series! ⛰️🏃

comtnhalf.com

08/13/2026

⛰️ Race 3 of the Colorado Mountain Half Series is here! 🎉

We’re almost ready for the Mt. Sneffels Half Marathon, 10K & Kids Fun Run! 🌄

📋 Race Details:

👕 Packet Pickup: Friday, August 14, 4–8 PM at Ridgway Athletic Park/Frontier Field
🏃 Race Start: Saturday, August 15 at 7 AM
📍 Start & Finish: Ridgway — please note: due to road and bridge construction, all races will start and finish in Ridgway.
🚫 No race-day registration for the Half Marathon or 10K
👧 Kids Fun Run Registration: Race morning, 8:30–9:15 AM
🥤 Cupless Race: BYOC — Bring Your Own Container!

Ready to race? ⛰️🏃‍♀️🏃‍♂️

👉 More details: https://www.comtnhalf.com/

08/10/2026

🏔️ What a beautiful day for the Georgetown to Idaho Springs Half Marathon! ☀️

Over 1,200 runners joined us this past Saturday for an incredible day in the mountains. Thank you to everyone who came out to run, volunteer, cheer, and help make Race #2 of the Colorado Mountain Half Marathon Series such a great one! 💙

🏅 Check out the Georgetown to Idaho Springs race results: https://fitmap.app/events/gtis-half-marathon-2026/half-marathon

And we’re already looking ahead to Race #3 is THIS weekend - 8/15! 🎉

📍 Mt. Sneffels Half Marathon
🏔️ Ouray, Colorado

We’ll see you in the beautiful San Juan Mountains! 🌄 https://www.comtnhalf.com/

08/07/2026

🏔️ The Georgetown to Idaho Springs Half Marathon is THIS Saturday! 🎉

Just 2 days to go until runners take on this iconic Colorado mountain course from Georgetown Lake to historic Idaho Springs! ⛰️🌲

📍 Packet Pickup is tomorrow!
📅 Friday, August 7 | ⏰ 3–7 PM
📌 Microtel Inn & Suites
2190 Argentine St, Georgetown, CO 80444

Race morning pickup is also available at the start line:
📅 Saturday, August 8 | ⏰ 6:30–8:45 AM
📍 Georgetown Lake

Mountain views and an unforgettable race day are waiting! See you at the start line! 🎉

08/04/2026

The 48th Annual Georgetown to Idaho Springs Half Marathon is this Saturday, 8/8!

The second race in the Colorado Mountain Half Series, this legendary point-to-point course starts at Georgetown Lake at 8,500 feet and winds downhill to the historic mining town of Idaho Springs at 7,500 feet. 👟

🌄 With breathtaking mountain views, a scenic downhill route, the GTIS Half Marathon is a must-do for Colorado runners!

Hosted by the Clear Creek Booster Club, proceeds support middle and high school students throughout Clear Creek County. 📚

📍 Georgetown, CO → Idaho Springs, CO
📅 Saturday, August 8, 2026
https://www.comtnhalf.com/

Address

9786 S. Holland Street
Littleton, CO
80127

Website

https://www.comtnhalf.com/

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