Big Day of Play is a celebration of Seattle’s diversity and encourages people to have fun, build relationships and be active together. Big Day of Play will take place from noon to 4 p.m. Aug. 21 at Rainier Playfield, 3700 S. Alaska St. and online. The event is free and includes activities for all ages and abilities.

The event will showcase a wellness fair, in-person and virtual programs, including fitness instruction, games and competition, and live performances.

The Big Day of Play is presented by SPR’s Get Moving Initiative, which supports local groups in offering innovative and culturally relevant events and projects to increase participation in community sports, recreation and physical fitness activities that serve under-resourced communities. Funding for the Get Moving Initiative is provided by the Seattle Park District. This year’s Big Day of Play sponsors include the Associated Recreation Council, Seattle Department of Transportation, #SeattleTogether, Seattle Public Library, and Seattle Children’s Hospital.

To volunteer or participate as a vendor, visit More information can be found at and on the event’s Facebook page at