January 30-February 2 Free-skier Tanner Hall, snowboarder Shaun White, and other Gen-Y athletes return to Aspen's Buttermilk Mountain for the seventh annual WINTER X GAMES. www.expn.go.com

February 15-16 The WAIROA EXTREME RACE on New Zealand's Wairoa River pits kayakers head to head in sprints over Class IV and V waterfalls and rapids. www.topline-nz.co.nz

February 20-23 Hone your ice-climbing and mountaineering skills with the likes of Mark Synnott, Pete Athans, and Kitty Calhoun at the MOUNT WASHINGTON VALLEY ICE FESTIVAL, an annual event in North Conway, New Hampshire. www.ime-usa.com/imcs

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