USARunningTrail100K · 100 km / 62.1 mi100mi · 160.9 km / 100.0 mi50K · 50 km / 31.1 mi

Midwest States 100

Westboro, Wisconsin · USA

When is the next Midwest States 100?

Sat, 28 Aug 2027

3 distances · see start times below

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Time limits and cut-offs

Some events have a finishing deadline or intermediate checkpoint cut-offs. These can vary by distance, start wave and edition.

50K · 2027-08-28: Not yet verified for this edition. Check the official race instructions.
100K · 2027-08-28: Not yet verified for this edition. Check the official race instructions.
100mi · 2027-08-28: Not yet verified for this edition. Check the official race instructions.

About Midwest States 100

Midwest States 100 is a running event in Westboro, Wisconsin, United States. Recorded disciplines include 100K, 100mi, 50K. The listed surface is trail. The next listed date is Saturday, 28 August 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.

50K · 50 km / 31.1 mi
Sat, 28 Aug 2027
Starts 23:00 GMT-5
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Midwest States 100 · 50K · 50 km / 31.1 mi
2027-08-28 · 23:00 (America/Chicago)
Venue / race area: Westboro, Wisconsin, United States
Race website
Start reminder only; finish time is not confirmed. Adjust the calendar duration if needed.
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Midwest States 100 · 50K · 50 km / 31.1 mi
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Date and distance "50k" with 23:00 start confirmed on the event's UltraSignup entry page for the 2027 edition (checked 2026-11-09). Registration Opens Tue. Dec 1, 2026 @ 12:00 AM CT. Local time America/Chicago.
Edition source
100K · 100 km / 62.1 mi
Sat, 28 Aug 2027
Starts 06:00 GMT-5
Confirm date and entry availability with the organiser
Entry details
Add to calendar
Midwest States 100 · 100K · 100 km / 62.1 mi
2027-08-28 · 06:00 (America/Chicago)
Venue / race area: Westboro, Wisconsin, 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
Midwest States 100 · 100K · 100 km / 62.1 mi
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Choose where to share, then select who to send it to.
Date and distance "100K" with 06:00 start confirmed on the event's UltraSignup entry page for the 2027 edition (checked 2026-11-09). Registration Opens Tue. Dec 1, 2026 @ 12:00 AM CT. Local time America/Chicago.
Edition source
100mi · 160.9 km / 100.0 mi
Sat, 28 Aug 2027
Starts 06:00 GMT-5
Confirm date and entry availability with the organiser
Entry details
Add to calendar
Midwest States 100 · 100mi · 160.9 km / 100.0 mi
2027-08-28 · 06:00 (America/Chicago)
Venue / race area: Westboro, Wisconsin, 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
Midwest States 100 · 100mi · 160.9 km / 100.0 mi
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Date and distance "100 Mile " with 06:00 start confirmed on the event's UltraSignup entry page for the 2027 edition (checked 2026-11-09). Registration Opens Tue. Dec 1, 2026 @ 12:00 AM CT. Local time America/Chicago.
Edition source

Location & race day

Listed venue / area

Westboro, WisconsinUSA

Find this location on a map

Confirm the exact start line, parking and arrival instructions with the organiser. A listed town or postcode may cover a wider area.

About the race

Midwest States 100 is held near Westboro, Wisconsin. The 2027 edition lists the following distances on its UltraSignup entry page: 100 Mile , 100K, 50k. Entries are taken through UltraSignup.

Surface:: Trail

Race website

Entry options for

Ways to enter

Compare the listed booking routes. Verified links show when they were checked.

Sat, 28 Aug 2027

Official race entry

Official entry

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Recorded Mon, 9 Nov 2026

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Third-party prices, booking fees, allocations and refund terms can differ. Confirm the final details with the provider before paying.

Race questions

When is the next event?

The next listed date for Midwest States 100 is 28 August 2027.

Where is it held?

Midwest States 100 is listed in Westboro, Wisconsin, United States. Check the event's race-day instructions for the exact start location.

Which distances are listed?

The programme listed for 28 August 2027 includes 50K, 100K, 100mi.

What time does it start?

Listed starts for 28 August 2027: 50K: 23:00 GMT-5; 100K: 06:00 GMT-5; 100mi: 06:00 GMT-5. Times are local to the race venue. Follow the start or wave assigned to your entry.