Old Man Winter Rally

February 01, 2026 - Lyons Colorado USA
 
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The annual Old Man Winter Rally is a must-do Colorado endurance festival with mixed terrain adventures for all levels of riders and runners.

23 mile, 40 mile, and 75 bike courses include Boulder County's best gravel roads and the 75 mile course adds in canyons and snowy single track. Running courses include a 5K through Lyons and the scenic 10K can be combined with the 40 mile bike course for a wintry multi-sport challenge.

All events come together for a big party with live bands, bonfires, hot food, cold beers, s'mores, and a huge expo. Reserve your spot before they're gone

All participants are supported with well-stocked aid stations, a hot meal, cold beer, and great winter swag!

Old Man Winter Rally

 
Routes: 50, 100 km
Difficulty of Greatest Route: C - Moderate terrain with rolling short steep hills or moderate, sustained climbs
Entry Limit: 300
Time Zone: Eastern Standard Time (EST)
 
What's Included?

Old Man Winter Rally will give you bragging rights and stories of courage, but that’s not all. You also get:

Custom Old Man Winter gear
A 6-week training plan
A race bib with coupons
Access to online contests and challenges
Aid stations with great snacks, hydration drinks, and water
A hot meal and cold drinks at the after party
A chance to win one of 100+ “snowflake” prizes
A shot at a hefty prize purse for the top finishers in each category

Facilities
Adequate Car Parking
Free Parking
Registration/Entry On the Day
Pre-Packet Pickups
 
Support for Participants
Route Signposted
First Aid
Emergency Contact No
SAG Wagon
Marshalls
Escort / Police Escort
Controlled Intersections
Roving Mechanical Support
Neutral Support Vehicles
Mechanical Support at Rest Stops
 
Features
Photos
Kids Fondo
Downloadable GPS files
Free Training Rides
Fundraising
Finish Line Chute
 
Nutrition
Feed / Aid Stations
Pre Event Meal(s) Provided As Part of Entry
Post Event Meal(s) Provided As Part of Entry
 
 
Event Links