Samson Stomp & Romp 2025

Registration Details:

Entry fees include a long-sleeved T-shirt, Zoo admission, beverage, snack, and parking.

After the event, participants are invited to enjoy the remainder of the day at the Zoo.

New this year, in celebration of the opening of the recently-renovated Humboldt penguin habitat, Penguins of the Pacific, participants in the 1-mile romp will receive a penguin drawstring backpack. And in celebration of this 45th anniversary of the event, 5K finishers who place in “45th” placements — 45, 145, 245, 345, etc. — will get a $25 gift card to Performance Running Outfitters.

The race will be held rain or shine, snow or cold; however, the Milwaukee County Zoo reserves the right to cancel due to severe weather or dangerous, unforeseen race conditions. No refunds will be given.

The 5K race is officially timed; results will be publicly available in person and online after the race. All races take place on public walkways throughout the Zoo. Due to safety concerns, no strollers, in-line skates, or similar devices permitted.

During the event, take part in our mission of conservation by donating your old cell phones to the Zoo for recycling. The drop-off area is located in the Zoo’s U.S. Bank Gathering Place. Recycling cell phones reduces the need for additional coltan, a mineral extracted from the forests of Congo – home to critically endangered lowland gorillas. The coltan mining business has led to a dramatic reduction of the gorillas’ natural habitat.