5k for Earth Day
Decision scores
Six 0–100 scores telling you, at a glance, who this race is for.
Best for
About the Race
This Earth Day weekend, Humboldt Park becomes a place of action, not just awareness. Rooted in collaboration with the Humboldt Park Advisory Council, the Humboldt Park Earth Day Committee, and NVIRO, the weekend brings together residents from across Chicago and the surrounding suburbs for a shared celebration of community, sustainability, and movement. The 5K for Earth Day is the culmination of a two day, Earth Day focused weekend centered on care for the land and forward momentum. Day one is...
Course Profile
Course profile data unavailable for this race.
Course features
Accessibility & inclusion
Vibe & community
History & past results
Past finisher times and year-over-year participation will appear here once the organizer publishes them.
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Common questions
How hard is the 5k for Earth Day 5K?
We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.
What should I wear?
Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.
When does it sell out?
No published deadline. Most races raise the entry fee in tiers and can sell out without warning — sign up early if you're committed.
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