USARunningRoad10K · 10 km / 6.2 mi1mi · 1.6 km / 1.0 mi5K · 5 km / 3.1 miHalf · 21.1 km / 13.1 mi

Heatwave Half Marathon/5K/10K - Grand Rapids

Caledonia, Michigan · USA

When is the next Heatwave Half Marathon/5K/10K - Grand Rapids?

Sat, 31 Jul 2027

4 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.

Half · 2027-07-31: Not yet verified for this edition. Check the official race instructions.
10K · 2027-07-31: Not yet verified for this edition. Check the official race instructions.
5K · 2027-07-31: Not yet verified for this edition. Check the official race instructions.
1mi · 2027-07-31: Not yet verified for this edition. Check the official race instructions.

About Heatwave Half Marathon/5K/10K - Grand Rapids

Heatwave Half Marathon/5K/10K - Grand Rapids is a running event in Caledonia, Michigan, United States. Recorded disciplines include 10K, 1mi, 5K, half marathon. The listed surface is road. The next listed date is Saturday, 31 July 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.

Half · 21.1 km / 13.1 mi
Sat, 31 Jul 2027
Starts 08:00 local time
Entries open
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Heatwave Half Marathon/5K/10K - Grand Rapids · Half · 21.1 km / 13.1 mi
2027-07-31 · Date-only reminder
Venue / race area: Caledonia, Michigan, United States
Race website
Date-only reminder: check the local start time and timezone with the organiser.
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Heatwave Half Marathon/5K/10K - Grand Rapids · Half · 21.1 km / 13.1 mi
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Date, 08:00 start and event "Half-Marathon" (Half) confirmed on the organiser's RunSignup entry page for the 2027 edition (checked 2026-11-09). Local time America/New_York.
Edition source
10K · 10 km / 6.2 mi
Sat, 31 Jul 2027
Starts 08:00 local time
Entries open
Entry details
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Heatwave Half Marathon/5K/10K - Grand Rapids · 10K · 10 km / 6.2 mi
2027-07-31 · Date-only reminder
Venue / race area: Caledonia, Michigan, United States
Race website
Date-only reminder: check the local start time and timezone with the organiser.
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
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Heatwave Half Marathon/5K/10K - Grand Rapids · 10K · 10 km / 6.2 mi
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Date, 08:00 start and event "10K" (10K) confirmed on the organiser's RunSignup entry page for the 2027 edition (checked 2026-11-09). Local time America/New_York.
Edition source
5K · 5 km / 3.1 mi
Sat, 31 Jul 2027
Starts 08:00 local time
Entries open
Entry details
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Heatwave Half Marathon/5K/10K - Grand Rapids · 5K · 5 km / 3.1 mi
2027-07-31 · Date-only reminder
Venue / race area: Caledonia, Michigan, United States
Race website
Date-only reminder: check the local start time and timezone with the organiser.
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
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Heatwave Half Marathon/5K/10K - Grand Rapids · 5K · 5 km / 3.1 mi
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Date, 08:00 start and event "5K" (5K) confirmed on the organiser's RunSignup entry page for the 2027 edition (checked 2026-11-09). Local time America/New_York.
Edition source
1mi · 1.6 km / 1.0 mi
Sat, 31 Jul 2027
Starts 08:00 local time
Entries open
Entry details
Add to calendar
Heatwave Half Marathon/5K/10K - Grand Rapids · 1mi · 1.6 km / 1.0 mi
2027-07-31 · Date-only reminder
Venue / race area: Caledonia, Michigan, United States
Race website
Date-only reminder: check the local start time and timezone with the organiser.
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
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Heatwave Half Marathon/5K/10K - Grand Rapids · 1mi · 1.6 km / 1.0 mi
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Date, 08:00 start and event "1 Mile" (1mi) confirmed on the organiser's RunSignup entry page for the 2027 edition (checked 2026-11-09). Local time America/New_York.
Edition source

Location & race day

Listed venue / area

Caledonia, MichiganUSA

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

Heatwave Half Marathon/5K/10K - Grand Rapids takes place in Caledonia, Michigan. Its 2027 entry page on RunSignup lists: 1 Mile, 5K, 10K, Half-Marathon.

Surface:: Road

Race website

Entry options for

Ways to enter

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

Sat, 31 Jul 2027

Official race entry

Official entry

Entries open

Recorded Mon, 9 Nov 2026

View Official race entry

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 Heatwave Half Marathon/5K/10K - Grand Rapids is 31 July 2027.

Where is it held?

Heatwave Half Marathon/5K/10K - Grand Rapids is listed in Caledonia, Michigan, United States. Check the event's race-day instructions for the exact start location.

Which distances are listed?

The programme listed for 31 July 2027 includes Half marathon, 10K, 5K, 1mi.

What time does it start?

Listed starts for 31 July 2027: Half marathon: 08:00 local time; 10K: 08:00 local time; 5K: 08:00 local time; 1mi: 08:00 local time. Times are local to the race venue. Follow the start or wave assigned to your entry.