Allerton Races
Decision scores
Six 0–100 scores telling you, at a glance, who this race is for.
Best for
About the Race
Trail/Road Half Marathon, 10K Run/Walk, or nighttime Trail-Glo 5K Run/Walk, benefitting Robert Allerton Park! Trail-Glo 5K start time is 8:30PM 11 April. Half Marathon and 10K start time is 9:00AM 12 April. More race info at our website! Help us help Make-A-Wish families! For our 14th consecutive year, Allerton Races is fundraising for Make-A-Wish Illinois. Be a "Wish Warrior" by donating $10 or more, and you'll get a special logo on the sleeve of your race T! (If you register with a ...
Course Profile
Course profile data unavailable for this race.
Course features
Accessibility & inclusion
Vibe & community
We don't have vibe tags for this race yet — organizers can claim the listing to add them.
History & past results
Past finisher times and year-over-year participation will appear here once the organizer publishes them.
Reviews
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Common questions
How hard is the Allerton Races Half Marathon?
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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- Same distance, statewide: All Half Marathon races in Illinois
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