Spokane County Raceway: Oval racing, 3 p.m.; drag racing, 5.
NCAA Regionals: Washington State vs. Arkansas at Norman, Okla., 11 a.m.; Gonzaga vs. Georgia Southern at Fullerton, Calif., 3 p.m.
Coeur d’Alene Casino: Horse racing, 9:25 a.m.; dog racing, 9:30. Greyhound Park & Event Center: Horse racing, 9:40 a.m.; dog racing, 10. Northern Quest Casino: Horse racing, 9:40 a.m.
USL Premier Development League: Spokane at Abbotsford, B.C., 6 p.m.
Washington State 2A Boys Championships: Cheney vs. Prosser, 8 p.m.
Washington State 3A Championships at SERA Fields, Tacoma: North Central vs. Prairie, 9 a.m., Shadle Park vs. Port Angeles, 11.
Washington State 2A Championships at Carlon Park, Selah: Pullman vs. Selah, 10 a.m. Sequim vs. Colville, noon.
Washington State 1A Championships at TRAC, Pasco: Toledo vs. Lakeside, noon.
Washington State 2B Championships at Gateway Sports Complex, Yakima: Davenport vs. Pe Ell, 9 a.m.; Toutle Lake vs. Garfield-Palouse, 9; Tekoa-Oakesdale/Rosalia vs. Colfax, 11; Selkirk vs. Kittitas, 11.
Washington State 1B Championships at Gateway Sports Complex, Yakima: Almira/Coulee-Hartline vs. Touchet, Colton vs. Inchelium, St. Michael’s vs. Lake Quinault, all 1 p.m.
High school boys and girls:
Washington State 4A Championships at Tri-City Court Club and Kamiakin High School, all day.
Washington State 3A Championships at Vancouver Tennis Center, all day.
Washington State 2A Championships at Nordstrom Tennis Center, Seattle, all day.
Washington State 1A/B Championships at Yakima Tennis Center, all day.
Track and field
College: Washington State, Eastern Washington and Idaho at NCAA West Regional Championships, Eugene, Ore., 10 a.m.
Washington State 4A/3A/2A Championships at Mount Tahoma High School, Tacoma, 9:30 a.m.
Washington State 1A/2B/1B Championships at Eastern Washington University, 9:45 a.m.
Doug Tebow of Kettle Falls shot an 87 Wednesday during the first round of the boys State 1A golf tournament in Richland. His name was omitted from Thursday’s report.
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