CO Half Marathon & 10K – Beautiful Colorado Spring Running | NOCO Half Marathon & 10K Colorado Running
Friday & Saturday August 22nd-23rd, 2025
Join us for the first ever running of the NOCO Urban Ultra & Relay. This long distance race takes you on a sprawling tour of Northern Colorado via the Poudre River Trail. You’ll enjoy scenic views and local amenities through Greeley, Windsor, Timnath & Fort Collins.
First-rate aid stations, abundant exchange zones and a truly epic journey make this an unforgettable running race.
This is the FIRST inaugural event!
Important info, race notes & athlete guides will be posted here
All CURRENT race information is also readily available at NOCOURBANULTRA.com
2025 Finisher Medal & Bib Designs – Coming Soon
Awesome vendor & sponsor info coming soon including stops and places to visit along the race journey!
Location, Mapping & Parking
Venue: Poudre River Trail w/Multiple Stop Points
100 Mile Start: Island Grove Area – Greeley (out and back race)
50 Mile Start: Bellvue (point to point)
Your athlete & race guide will be posted on this page AND emailed at least 7-10 days prior to race day. It will also include final details for parking, transportation & bag drop.
Course Info & Maps
Please NOTE your race distance – 50 Mile or 100 Mile
The 100 Mile Race is a ROUND TRIP course (an OUT and BACK)
**Athletes are responsible for knowing the course routes, layouts and directions. We do our best to adequately mark courses, provide direction and station volunteers throughout the course. We expect local vendors & sponsors to be on site and are planning to have this be a fun & friendly race. We WILL be serving food at the post race party.
***PLEASE NOTE***
- The courses are subject to route adjustments pending permitting entities & weather. As of April 19th, 2025, they are accurate.
- Both run courses will pass the same aid stations and there will be cups of water, snacks, fuel & electrolyte drink available. These cups are 100% biodegradable to help keep our race as “green” as possible.
- ALL athletes have individual start times, NOT gun start times.
REGISTRATION
To ensure you receive a correctly sized shirt & any custom race bibs/decals, please register as SOON as possible After a certain time frame we can not guarantee these item specifics, but we’ll do our best.
**Registration WILL BE available on race morning. | Please bring cash if possible to keep lines short**Every athlete gets:
- Event Shirt
- Race Bib
- Finisher Medal
- FREE Event Photos
- Post Race Food & Drinks
- A Chance to Podium
- Professional Chip Timing
- An Awesome NOCO running experience
- Tons of High Fives, Smiles & Crowd Support
Schedule of Events
Bib Pickup Information
Multiple Days Prior to Race Weekend: Locations & Times will be announced on the main event website
Awards & Age Groups
All in-depth race info can be found on the main event collaboration page HERE – NOCOURBANULTRA.com
- Awards Ceremony will commence mid afternoon, pending the overall athletes remaining on the course. Athletes are encouraged to stay for the awards or have someone pick up their award.
Transfers, Deferments & Refunds
Please read our current info on this topic at the TWO links below.
FAQ – Refunds / Transfers / Deferral
Rules & Policies
Note: This race, “NOCO Urban Ultra & Relay”, is in NO way officially associated with Greeley, Windsor, Timnath, Fort Collins, Larimer County, Weld County, CDOT or ANY of the permitting venues or entities. Specific race details may be changed or updated as we finalize this race each season.