MARCH
Lake Tahoe
March 1-3 — Oakley Progression Sessions, a two-day on-snow ski and snowboard progression camp for women. Registration Friday, 5-7 p.m.; events 7 a.m. to 7 p.m. Saturday and 8:30 a.m. to 7 p.m. Sunday. Squaw Valley, 1960 Squaw Valley Road, Olympic Valley; www.oakleyprogressionsessions.com.
Mammoth Mountain
Feb. 28-March 3 — FIS Masters Cup, Super G and Slalom competition. Mammoth Mountain Ski Area, 1 Minaret Road; http://ussa.org/alpine/2013-phillips-66-fis-masters-cup.
March 3 — Unbound Series competition, Slopestyle. Mammoth Mountain Ski Area, 1 Minaret Road; 760-934-2571, ext. 3174; www.mammothmountain.com/mountain/unbound/events.
March 5-12 — USSA Marriott U 18 Nationals, national championship races for 15- and 16-year-olds in the Downhill, Super G, Giant Slalom, Slalom and Dual Events. Mammoth Mountain Ski Area, 1 Minaret Road; 760-934-0642.
March 10 — Unbound Series competition, Rail Jam. Mammoth Mountain Ski Area, 1 Minaret Road; 760-934-2571, ext. 3174; www.mammothmountain.com/mountain/unbound/events.
March 15-17 — Oakley Progression Sessions, a two-day on-snow ski and snowboard progression camp for women. Registration Friday, 5-7 p.m.; events 7 a.m. to 7 p.m. Saturday and 8:30 a.m. to 7 p.m. Sunday. Mammoth Mountain Ski Area, 1 Minaret Road; www.oakleyprogressionsessions.com.
March 22-24 — Sixth annual Mammoth Winter Biathlon, the country’s largest biathlon event featuring racers from around the world. Mammoth Mountain Ski Area, 1 Minaret Road; www.visitmammoth.com.
March 31 — Easter festivities and egg hunts. Canyon Lodge 1000 Canyon Blvd.; and Main Lodge, 10001 Minaret Road; 760-934-2571; www.visitmammoth.com.
Wrightwood
March 2 — SO-GNAR Snowboard Camp Tour & Shred Circuit. Hands-on instruction, tips and tricks from Pat Milberry and the SO-GNAR crew. Mountain High West, 24510 Highway 2; 888-754-7878; www.mthigh.com/events; www.regonline.com/sognarsnowboardtour.
March 3 — KROQ Rock N Ride promotion on the sundeck, featuring music and give-aways. Mountain High West, 24510 Highway 2; 888-754-7878; www.mthigh.com/events.
March 9 — Rap, Rhythm & Rails, a new contest and event that puts the emphasis on overall runs, flow and style. Mountain High West, 24510 Highway 2; 888-754-7878; www.mthigh.com/events.
March 10 — Osiris Sunday, with rail jam, prizes and give-aways. Team rider Cory Cronk will be a guest judge. Mountain High West, 24510 Highway 2; 888-754-7878; www.mthigh.com/events.
March 15 — 12th annual Sponsor Me Contest, featuring up-and-coming riders showcasing his or her talents. Judging will be by key industry people who are searching for new talent. Mountain High West, 24510 Highway 2; 888-754-7878; www.mthigh.com/events.
APRIL
Mammoth Mountain
April 6 — Demo Day. Tamarack Cross Country Ski Center, 163 Twin Lakes Road; 760-934-2442; www.tamaracklodge.com/ski_center.
April 7 — 2013 Mammoth Marathon. Tamarack Cross Country Ski Center, 163 Twin Lakes Road; 760-934-2442; www.tamaracklodge.com/ski_center.
April 16 — Tamarack Cross Country Ski Center Closing Day. 163 Twin Lakes Road; 760-934-2442; www.tamaracklodge.com/ski_center.
April 21 — Spring Fest, the official spring season kickoff, featuring musical acts from Coachella, top names in snowboarding and more. Canyon Lodge, 1000 Canyon Blvd.; 760-934-2571; www.mammothmountain.com.
April 22 — Pond Skim. Canyon Lodge, 1000 Canyon Blvd.; 760-934-2571; www.mammothmountain.com.