Take an icy dip Saturday to support Special Olympics Utah. Polar Plungers from across the state collect donations from family members, friends and co-workers. Check-in begins at 9 a.m., with a costume contest at 9:30 a.m. There are three Polar Plunge locations to choose from: Antelope Island State Park, Homestead Resort and Pleasant Grove Recreation Pool. Register online at www.sout.org. For more information, call 801-363-1111.

Safety clinic and competition

The Jeep Terrain Park Challenge, a grassroots program promoting safety and responsibility at terrain parks, will hold a safety clinic and competition at The Canyons Resort in Park City on Friday. The event includes workshops to train riders how to avoid injury when seeking big air or attempting extreme stunts. For more information and to register, visit www.JeepTPC.com.

Stonefly Society Meeting

Mark Holden, of the Utah Reclamation Mitigation and Conservation Commission, will discuss the management of the Provo River on Feb. 21 at a Stonefly Society meeting. The meeting will be at 7 p.m. at the Salt Lake Fish and Game Association Meeting House, 1177 W. Bullion (5700 South), Murray. For more information, contact Fred Reimherr at 801-918-6491.

Moonlight and Starlight hikes at Jordanelle

A moonlight snowshoe hike is planned Feb. 23 at Jordanelle State Park's Hailstone main marina, starting at 7:30 p.m. There is no charge but donations are welcome. The hike includes cookies and hot cocoa. A similar hike is set for March 7 at 7 p.m. Call 435-649-9540 to reserve a spot for either date and snowshoes if needed.

Park City Mountain

Resort hosts Ski To Live

Kristen Ulmer, a noted big-mountain skier, is bringing her Ski To Live workshop to Park City Mountain Resort from Feb. 28 to March 2. Ski To Live, which includes yoga, on-hill coaching and evening interactions with Genpo Roshi, a big-mind technique advisor, is designed to help participants find true motivation in skiing and snowboarding as well as in life.

For more, visit www.kristenulmer.com. Ski To Live packages are available. To register, call Sharon Ottoson at 435-647-5478.

2008 Gunnison Valley spring run-off

The Gunnison Valley Spring Run-Off is set for April 12, with several events ranging from a full marathon to a 1-mile category for "mothers with strollers." The registration forms can be downloaded on the Gunnison City Web site at www.gunnisoncity.org, which will give deadlines, starting times and fees.

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* To get your event listed, e-mail the information to brettp@ sltrib.com or mail it to Brett Prettyman, The Salt Lake Tribune, 90 S. 400 West, Suite 700, Salt Lake City, UT 84101.