To lose
If you’re interested in losing weight and the chance to win $250,000, “The Biggest Loser” is holding open casting calls for individuals and teams of two from 10 a.m. to 5 p.m. Saturday at NBC Tower (454 N. Columbus Drive).
To marvel
Watch Eamon Daly of thingsmybeardcanlift.com hoist 15 pounds with his facial hair for a local charity Friday at the Windy City Rollers roller derby at UIC Pavilion (525 S. Racine Ave.). Tickets are $20-$40 for the derby, and doors open at 6 p.m.
To watch
See the World’s Toughest Rodeo at 7:30 p.m. Saturday at the United Center (1901 W. Madison St.) followed by a country concert with Tracy Lawrence and Whiskey Falls. The first 500 people in attendance get a free cowboy hat. $20-$40.
To view
Celebrate Black History Month with a free opening reception for eight African-American artists from 5 to 9 p.m. Saturday at Maison Rouge gallery (2828 N. Clark St.). The event includes wine and music by Guitars of Fire.
