Track & field — Boulder, Legacy, Silver Creek, Monarch at Last Chance Invite, North Stadium, 9 a.m.; Frederick at Eaton Invite; Nederland, Peak to Peak at Holy Family Tiger Tornado, 9 a.m.

Girls tennis — Niwot at Greeley Central Regional, 10 a.m.

Baseball — Boulder at Brighton, 11 a.m.; Silver Creek at Broomfield, doubleheader, 10 a.m.; Niwot at Centaurus, doubleheader, noon; Longmont at Thompson Valley, noon; Berthoud at Erie, doubleheader, noon; Mountain Range at Monarch, 11 a.m.; Platte Valley at Lyons, 10 a.m.; Estes Park at Lyons, 2 p.m.