Seeley Big Fat Race
Presented By:
Snow, speed, and singletrack — it’s all waiting at the Seeley Big Fat! This isn’t just another winter ride… it’s a full-blown celebration of fat biking, community, and the trails we love.
From first-time racers to seasoned snow shredders, everyone’s invited to take part in the fun. Bundle up, bring your best, and let’s make 2026 the year of big tires, big smiles, and big memories.
As an added bonus, the first 50 registrants will receive a special gift: Rex Arctic Chain Lube, expertly designed to keep you moving smoothly through winter conditions. Join us for an unforgettable experience!
Registration & Categories
Promo Code for CAMBA Members: Use CAMBAMember$10OFF at checkout to save $10 on your registration.
Event Highlights & Details
First 50 registrants receive a complimentary Arctic Chain Lube (designed for winter conditions).
Routes: Short Course — 6.5 miles and the updated Long Course - 13 miles
To ensure participant safety, cutoff times or a shortened course may be implemented due to temperatures conditions.
Equipment requirement: fat bikes only, tire width 3.8″ or wider.
Entry fees are non-refundable
ONLINE REGISTRATION CLOSES JANUARY 16, 2026, AT 9 PM.
Bib Pickup Dates: Friday, January 16th (5PM–7:30PM) Location: Riverbrook Bike and Ski and Saturday, January 17th (9AM–11AM) Location: Sawmill Saloon.
Race starts on Old Hwy OO and begins staging at 11:45 AM.
Both races finish at the Seeley Recreation Area warming cabin. Warm treats and support will be available to ensure racer safety and recovery after the event.
Food and drinks will be available at the Sawmill Saloon after the event. Awards will be given at 4:30 PM.
Big Fat Raffle by Otso Cycles – Supporting Winter Grooming
Every raffle ticket helps keep CAMBA’s winter singletrack in top shape. Proceeds from the Big Fat Raffle go directly to grooming efforts, so you can ride smooth, packed trails all season long. Ride, race, or spectate — everyone can join in and support the cause!
Otso Arctodus Fat Bike
The Big Fat Raffle - This year, we’re excited to offer a fantastic raffle prize, a new Otso Arctodus Fat Bike (valued at $2,395), with all proceeds supporting the grooming of over 70 miles of CAMBA fat bike trails. Our goal: raise $5,000 to improve winter grooming this season and in the future. Details and official rules can be found here.
Take a spin through our pre-ride video and get a feel for the course! We can’t wait to see you back out there making new memories at the 2026 Seeley Big Fat.