USARunningTrail11h7h

CHICAGO 7-11 Hour Endurance Run

Willow Springs, Illinois · USA

When is the next CHICAGO 7-11 Hour Endurance Run?

Sat, 15 May 2027

2 distances · see start times below

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Time limits and cut-offs

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7h · 2027-05-15: Not yet verified for this edition. Check the official race instructions.
11h · 2027-05-15: Not yet verified for this edition. Check the official race instructions.

About CHICAGO 7-11 Hour Endurance Run

CHICAGO 7-11 Hour Endurance Run is a running event in Willow Springs, Illinois, United States. Recorded disciplines include 11h, 7h. The listed surface is trail. The listed organiser is Yeti Trail Runners. The next listed date is Saturday, 15 May 2027. Check the organiser's information for entry and race-day arrangements.

Dates, starts & entry

Times are local to the race. Select the entry route for your distance.

7h
Sat, 15 May 2027
Starts 07:00 GMT-5
Confirm date and entry availability with the organiser
Entry details
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CHICAGO 7-11 Hour Endurance Run · 7h
2027-05-15 · 07:00 (America/Chicago)
Venue / race area: Willow Springs, Illinois, United States
Race website
Start reminder only; finish time is not confirmed. Adjust the calendar duration if needed.
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CHICAGO 7-11 Hour Endurance Run · 7h
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Date, 07:00 start and distance list (11 Hour, 7 Hour) confirmed on the organiser's UltraSignup registration page for the 2027 edition (checked 2026-11-09). Start time shown is the page's event start; individual distances may start at different times. Local time America/Chicago.
Edition source
11h
Sat, 15 May 2027
Starts 07:00 GMT-5
Confirm date and entry availability with the organiser
Entry details
Add to calendar
CHICAGO 7-11 Hour Endurance Run · 11h
2027-05-15 · 07:00 (America/Chicago)
Venue / race area: Willow Springs, Illinois, United States
Race website
Start reminder only; finish time is not confirmed. Adjust the calendar duration if needed.
Google Calendar Outlook.com Microsoft 365 Apple Calendar
Google and Outlook open a prepared event for you to save. Apple uses your private AthRecs race subscription. Download a one-off file only if you prefer to import it yourself.
Share
Share this race
CHICAGO 7-11 Hour Endurance Run · 11h
WhatsApp Facebook X Telegram Email
Choose where to share, then select who to send it to.
Date, 07:00 start and distance list (11 Hour, 7 Hour) confirmed on the organiser's UltraSignup registration page for the 2027 edition (checked 2026-11-09). Start time shown is the page's event start; individual distances may start at different times. Local time America/Chicago.
Edition source

Location & race day

Listed venue / area

Willow Springs, IllinoisUSA

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About the race

CHICAGO 7-11 Hour Endurance Run is listed on UltraSignup for 2027 near Willow Springs, Illinois, with the following distances or formats: 11 Hour, 7 Hour. Organised by Yeti Trail Runners.

Surface:: Trail
Organiser:: Yeti Trail Runners

Race website

Entry options for

Ways to enter

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Sat, 15 May 2027

Official race entry

Official entry

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Recorded Mon, 9 Nov 2026

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Race questions

When is the next event?

The next listed date for CHICAGO 7-11 Hour Endurance Run is 15 May 2027.

Where is it held?

CHICAGO 7-11 Hour Endurance Run is listed in Willow Springs, Illinois, United States. Check the event's race-day instructions for the exact start location.