Duluth Boat, Sports, Travel & RV Show, 10 to 4 p.m. today, DECC. Tickets: $10 for adults, $6 for ages 6-17. Go to minnesotasportshow.com.

ATSX100, ATSX500 and Kids' Cross, 11 a.m. today, Mont Du Lac ski resort, 3125 Mont du Lac Drive, Superior. Go to facebook.com/USicecross/ for details.

United Northern Sportsmens Club's annual Ice Fishing Contest, 12:30-3:30 p.m. today, United Northern Sportsmen's Headquarters, Island Lake. Go to uns-duluth.com for details.

Jay Cooke State Park, in Carlton, offers Full Sucker Fish Moon Snowshoe, 6:30-8:30 p.m. today. Meet at the River Inn Interpretive Center unless noted. Free; a park sticker for your car is required. Call (218) 673-7005 or go to mndnr.gov/events.

Arrowhead Fly Fishers Club and Gitchee Gumee Trout Unlimited, 7-8:30 p.m. Tuesday, Clyde Iron Restaurant, 2920 W. Michigan St. Speakers: Paul Piszczek, Nick Peterson and Dean Paron, all from the DNR.

Twin Ports Walleye fourth annual banquet, 7 pm. Friday, Dry Dock, 2820 Midway Road. Doors open at 5:30 p.m. Cost: $30 per person, ages 12 and younger are free. Go to twinportswalleye.com.

11th annual WolfTrack Classic Sled Dog Race, Saturday and Feb. 24, Old Airport Road in Ely. Go to wolftrackclassic.com for details.

Minnesota Master Naturalist Training begins 9 a.m. to 5 p.m. Saturday, Sugarloaf Cove Nature Center, Highway 61 at milepost 73.3, near Schroeder. Class meets from 9 a.m. to 5 p.m. Saturday as well as March 9, March 23, April 6, April 13, and May 4. Cost: $275. Go to minnesotamasternaturalist.org/courses/register/?courseId=872 to register.

Beginner fly tying class, 10 a.m. Saturday, Superior Fly Angler, 310 Belknap, Superior. Patterns: Tying yarn flies and x-legs. Cost: $10, all tools and materials provided. Call (715) 395-9520 for required registration.

Annual Winter River Walk, 11 a.m. to 1 p.m. Saturday, St. Louis River. Meet at the Boy Scout Landing on Commonwealth Avenue off Highway 23. Enjoy hiking, bring snowshoes, skis or your fat tire bikes. Bring a snack or bag lunch. Go to stlouisriver.org.

Superior Trap and Gun Club Double and 16-yard Leagues begins 11 a.m. to 4 p.m. Feb. 24, 5642 WI-35, Superior. Shooting is also available on March 10 and March 24. Call (715) 399-8224.

Courage Kenny Rehabilitation Institute offers these events. Call (218) 726-4834, ext. 1 or email mark.hanna@allina.com for more information.

• 2019 Great Lakes Mono Ski & Race Camp at Spirit Mountain, Feb. 27-March 1.

• Dog sledding day, 10:30 a.m. to 2 p.m. March 10, Positive Energy Outdoors, Fredenberg Township.

• Adaptive curling at Duluth Curling Club, March 16.

• Adaptive climbing begins at St. Scholastica, March 20.

• Spring skiing at Lutsen Mountain, March 24.

• Power wheelchair soccer begins at Laura MacArthur Elementary School, March 26.

• Adaptive swimming at Duluth YMCA, March 27.

• Adaptive Archery begins at Duluth YMCA, April 16.

Winter tree ID workshop, 10 a.m. to 1 p.m. March 2, Limnology Lab, 6008 London Road. A brief Head of the Lake Master Naturalist Chapter meeting and potluck follows. Cost: $5. Go to z.umn.edu/WTD319 for required registration.

Lake Superior National Estuarine Research Reserve annul St. Louis River Summit, March 5-6, University of Wisconsin-Superior, Yellowjacket Union. Cost: $30, includes lunch and refreshments. Go to lakesuperiorreserve.org to register by Feb. 18.

Great Waters Fly Expo, March 15-17, Hamline University, St. Paul. Go to greatwatersflyexpo.com for details.