Prince Haakon 15 K Race
Main Street Hayward Main Street, HaywardThe Prince Haakon 15km is named after the baby prince who started it all! Prince Haakon is the ideal event for first-time racers, those looking for a shorter ski race,…
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Nature & Outdoors
All Day
Kortelopet 29K Race
OO Trail Head 13088 W County Hwy OO, SeeleyThe Kortelopet is the legendary counterpart to the American Birkebeiner. Each year, 3,000+ skiers compete 29km on the Birkie Trail from OO Trailhead to the finish line in downtown Hayward,…
Collections Lab: Butterfly Pinning
Cable Natural History Museum 13470 County Hwy M, CableExplore behind-the-scenes of the Cable Natural History Museum’s entomology (insect) collection! All ages welcome, but adults are encouraged to stay with children during activities. 11 a.m. to noon: Watch a…