Road ultramarathons in Illinois, United States
Find road ultramarathons in Illinois, United States. Compare 1 upcoming event by date and location. Open a race guide for the course, recorded editions and official entry information where available.
One event to explore is Chicago Lakefront Ultras.
1 listed events · 1 with upcoming dates
Upcoming ultramarathons
1 matching event, earliest date first. Entry availability is shown separately.
Chicago Lakefront Ultras
USAChicago, Illinois
Autumn ultramarathons on Chicago’s paved lakefront path, starting and finishing at Foster Avenue Beach House.
· 50K
Race details, entry and past editions →Entry information ↗Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
No separate archived race guides are listed for this selection yet.
View full race archive (0) →Questions about ultramarathons in Illinois
Which road ultramarathons are coming up in Illinois, United States?
Chicago Lakefront Ultras is listed for 31 October 2026. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for Illinois, United States?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.