Realities Ride & Rally: Grimm Brothers Brewing at the Forge Campus, 815 14th St., Loveland. Riders check in at 8 a.m. for a scenic journey across Northern Colorado, culminating in a post-ride celebration back at Grimm. A celebration, open to the public, starts at noon and will feature live music, motorcycle demo rides, a car show, ax throwing, pin-up contests, food trucks and more. At the end of the day a $1,500 cash prize will be awarded for the best poker hand. Benefit for Realities For Children. Ride $40-$250, realitiesride.com.

Sour Festival: 2-5 p.m., desk chair workspace, 201 E. Fourth St., Loveland. With sour beer tastings, live music and snacks. VIP tickets $55, general admission $45, deskchairworkspace.com.

Rocky Mountain Raptor Program Educational Talk: 9-10 a.m. High Plains En

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