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Calendar events will be deleted after one year. If you would like to add a community-wide event to this calendar, please email

Manilla Madness Bike Ride 2021 @ HyVee to Manilla
May 1 @ 8:00 am – 4:00 pm

Manilla Madness is a 28-mile bike ride encouraging cyclists from near and far to enjoy the beautiful, scenic ride from Denison to Manilla and back. Registration begins at 8 a.m. and the ride begins at 9 a.m. through 4 p.m.

Fiesta Mariachi 2021 @ Washington Park Bandshell
May 1 @ 10:00 am – 10:00 pm

The Denison Community Schools mariachi ensembles will perform on the Washington Park stage as part of the celebration of Cinco de Mayo. Food vendors will be allowed to sell food and drinks (non-alcoholic) and sponsorships will provide fundraising for the DCSD Mariachi program. The Denison Music Boosters will assist in set-up and clean-up for the event.

Music in the Park @ Washington Park Bandshell
May 15 @ 10:00 am – 10:00 pm

The Denison High School jazz bands and show choir will perform on the Washington Park stage. Basic concessions will be available for purchase.

St. Rose Food Sale @ Washington Park
May 16 @ 9:00 am – 3:00 pm

Live music will be playing, along with food sales at Washington Park. Event will end at 3 pm, or when the food is sold out.