The Copper Basin 300 is a 100% volunteer-based race that starts in Glennallen, AK every year during the second weekend of January. The CB300 first started in 1990 and was founded with the purpose of supporting local businesses in the slow winter months. 2026 was the 37th running of the race.
You can dive deeper into the map by clicking this link: ArcGIS CB300 2026 Race Route Map The Copper Basin 300 sled dog race begins in downtown Glennallen, in front of the KCAM radio station.
The CB300 Board is pleased to be hosting a new race in the Copper Basin, the CB100. Registration opens March 1st and closes March 22nd. This race will be open to the first 20 teams! All events will take place at Eureka Lodge WHEN: FRIDAY, March 27th, 2026 9 am: Registration and vet checks 12 pm: Musher meeting 2 pm: 100-mile race start SATURDAY, March 28th, 2026 5 pm: Banquet at Eureka Lodge ...
2026 Copper Basin 300 Race Rules The Official Race Rules for the 2026 CB300 Sled Dog Race, have been adopted by the CB300 Board of Directors. Pre-Race Rules RACE REGISTRATION: Entry fees of $600.00 will begin processing on the race website, www.cb300.com, starting the first Saturday in October (October 4th, 2025) at 10:00am. Last day for Race Registration is January 3rd, 2026. LATE ...
The CB300 Board will evaluate trail conditions and determine by December 31 whether the race can proceed. An official announcement will be released on January 1.
LIVESTREAM OF THE CB300 START 9:30am - We go live! 9:45am - An overview of the race coverage that you can expect, thank you’s to our sponsors and volunteers, as well as the latest intel before race start! 10:00am - Race starts! Join us for coverage of teams leaving. We will share a little about each team as they depart downtown Glennallen.