Yukon Arctic Ultra
- 100- and 300-mile races starting at Whitehorse. Includes course details, rules, results, and activities available.
- http://www.arcticultra.de/

Susitna 100
- 100 mile and 50km race on a marked trail in the remote Susitna Valley. Includes registration details, news items, results, pictures, and a course map.
- http://www.susitna100.com/