Events 2018-02-12T20:46:55+00:00

Special Events

Cosley Zoo hosts a variety of events every year, including the popular Run for the Animals in June and The Festival of Lights & Christmas Tree Sale in December.

Busy Bunny Egg Hunt

Saturday, March 24 | 4-5:30P | Cosley Zoo

Join us for a visit with the Easter Bunny, activities, animal visits and after-hours access to the zoo. Egg dashes will be available for children ages 2-10. Preregistration is required.

Party for the Planet

Saturday, April 21 | 10A-2P | Cosley Zoo | Free event*
Join us as we take part in the largest combined Earth Day celebration in North America with more than 100 other zoos and aquariums. Visit with representatives from businesses and conservation organizations and learn about a wide variety of conservation efforts related to nature and wildlife.

*Regular admission rates apply.

©Kmiecik Imagery

Endangered Species Day

Saturday, May 19 | 10A-2P | Cosley Zoo
Come to Cosley Zoo to learn more about endangered species in Illinois and worldwide. Learn about Cosley Zoo’s efforts to protect the Illinois Endangered Blanding’s Turtle, and how you and your family can make a difference for some of these amazing animals.

Cosley Zoo Run for the Animals 5K | 10K | Kids’ ½ Mile

Saturday, June 2 | 7:30A 5K & 10K Start; 8:45A ½ Mile Start

Memorial Park, Downtown Wheaton

Join more than 2,500 runners for the 37th annual Cosley Zoo Run for the Animals. Runners and spectators are invited to a Party in the Park after party following the races. The party will include an awards presentation with awards given to the top overall male and female runners and age-category winners in the 5K & 10K. All 1/2 mile kids’ race participants will receive a finisher’s medal.

2018 Registration Pricing

 5K/10K Kids’ 1/2 Mile
Now-May 1  $30  $15
May 2-28  $35  $15
May 30-31 Packet Pick-up  $40  $20
June 2 Race Day  $40  $20

Sponsorship Opportunities

Sponsorships are available, for more information contact Carey Moreland at 630.510.4961 or at

Interested in sponsoring an event?

Please contact:

Margie Wilhelmi
Director of Marketing

Benefiting Cosley Zoo – Proceeds from all events support Cosley Zoo and its activities, including educational programs and wildlife conservation.