Our races are made possible with the generous help of our fantastic sponsors. We primarily seek to work with local Fort Collins and Mountain West companies that share a passion for sustainability, quality and active lifestyles. All companies, products and individuals that sponsor our events are entities, goods and people that we believe in, can honestly endorse and are happy to promote. To inquire about sponsorship opportunities, please email us at racedirector@gnarrunners.com.


Altra Zero DropAltra Zero Drop

Altra was created by elite athletes & running store managers to help prevent and solve common running injuries through proper running technique and natural foot positioning.


Colorado Physical Therapy Specialists

Colorado Physical Therapy Specialists is your primary care provider for all your orthopedic needs. Specialists in sports injuries, neck and back pain, chronic pain, and women’s health. Providing expert care including spinal manipulation, trigger point dry needling, and providing some of the most advanced scientifically supported soft tissue techniques for chronic tendon pain and plantar fascitis.


Cornerstone Home Lending – The Hunter Team

Cornerstone Home Lending is an accomplished, full-service mortgage banker founded on the principles of lending with excellence, integrity and distinction. As the official sponsor of the Quad Rock 50 prize purse, the Hunter Team at Cornerstone Home Lending continues to show its dedication to the local running community. We couldn’t be happier to be working with such an upstanding team.

Justin K. Liddle DMD, LLC

Jusin Liddle specializes in fixed and removable prosthodontics and reconstructive implant dentistry. In short, if you crack your teeth after a nasty face plant on the trails, Justin can provide the experienced, quality care you need to restore your perfect smile.

Altitude Running

Stocking the widest range of trail running shoes in town, Altitude Running is the go-to hub for Fort Collins trail runners. Staffed by knowledgeable and experienced runners, Altitude Running is ready to equip you for your next trail running adventure.


Based just 70 miles west of the Never Summer 100km start line in Steamboat Springs, CO, the folks at Smartwool are famed for their uber-comfortable and long-lasting wool socks, but did you know they have an entire Merino-wool-based run apparel line? Give them a look!

Sierra Trading PostSierra Trading Post

Sierra Trading Post offers great deals on great brands of the most tried-and-true selection of gear, clothing, shoes, sporting goods, and décor. Stop into the store today to swap stories and browse their goods at The Square on Horsetooth and S. College.

Countryside Animal Hospital

Countryside Animal Hospital is a family owned business in Ft. Collins, CO, established in 1993 by local ultra runner Dr. Catharine Speights. Countryside Animal Hospital specializes in personalized care of dogs and cats in a home-like setting.

Fort Collins Running Club

The Fort Collins Running Club has been promoting fitness through running since 1971 in Fort Collins and its surrounding communities. FCRC membership benefits include entry into all Tortoise & Hare races, discounts on local race events, discounts at local running stores, and regular club runs and social events.


VFuel Endurance Gel VFuel

VFuel is proud to support Gnar Runners. Superior recovery, ease of digestibility, and delicious flavors intended to be consumed for hours and hours, are just a few of the benefits of VFuel Endurance Gel. Order online and save 15% with coupon code GNAR15. Also available locally from Altitude Running.

Ultimate DirectionUltimate Direction

Ultimate Direction has been designing hydration packs since 1985. Ultimate Direction products are Designed by Athletes for Athletes. Some of the best runners in the world thought long and hard about what works the best, and the result is the amazing features you see today. Ultimate Direction has created and popularized the “vest” concept for carrying water, featuring no-bounce comfort and the ability to easily access bottles in the front and are now introducing the very first women’s-specific line of hydration packs.

Whole Foods Market Fort Collins

Whole Foods Market will donate healthy, vegan quinoa salads for our post race BBQ. 2201 S. College Avenue Fort Collins, CO 80525 970-267-9200 Everyday 7am-10pm

Great Harvest Bread CoGreat Harvest Bread Co

Great Harvest is located in Scotch Pines Village at Drake and Lemay. Everything is made from scratch with only the finest ingredients and they never use any preservatives or artificial additives. We encourage everyone to stop in and try a free slice of bread fresh out of the oven!

Mary’s Mountain Cookies 

With a thriving downtown Fort Collins retail business and a killer product, ultrarunner Mike Neal is well on his way to achieving ‘total cookie domination’. We’ll have Mary’s famed guest ranch cookies at the post-race BBQ for all to enjoy. In the meantime, get down to College & Mountain for a pre-race sample.

Boulder Beer

Boulder Beer, Colorado’s first craft brewery, will be providing tasty hopped libations for the post race BBQ.

Erin Bibeau Photography

Erin’s passion is photographing people in their element and capturing moments from life’s most inspiring events. Erin is based in Fort Collins, Colorado and and provides Portrait Photography, Lifestyle Portraiture, Event Photography, Wedding Photography, Interior Space Photography, and Commercial Photography.

Kristel Liddle MassageKristel Liddle, LMT

Local ultra runner, Kristel Liddle, will be providing post race massages for our participants. Kristel is a graduate of The Healing Arts Institute and specializes in Neuromuscular Therapy, Swedish, and Deep Tissue massage.