Sat, Jul 31, 2027

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

Caledonia, MI

Registration openAnnual since at least 2026

50m1 Mile5K10KHalf Marathon

Heatwave Half Marathon/5K/10K - Grand Rapids 2026 Results

Going by the 2026 results, this is a small, friendly field, with a competitive front end and a big recreational middle.

5K Results · 2026

55finishers

22:46winner

35:50median

49:14cutoff

Top 3: Kelsey Witkowski (22:46) · Megan Bratcher (24:11) · Leah Newhouse (25:24)

Half Marathon Results · 2026

52finishers

1:02:14winner

2:06:34median

3:34:39cutoff

Top 3: JACKIE COLE (1:02:14) · Elias Baldwin (1:19:27) · Landon Lindsay (1:20:31)

10K Results · 2026

34finishers

50:46winner

1:01:30median

1:27:01cutoff

Top 3: SARAH MACINTOSH (50:46) · Justin Tumidanski (52:23) · BROOKLYN GRIFFIN (52:47)

The Heatwave Half Marathon/5K/10K - Grand Rapids has been held every year since at least 2026. That is as far back as RunSignup's records for this race go, so it may well be older.

Where Would You Finish?

Enter a finish time to see where it lands against the most recent 5K results.

Median

See how your time stacks up nationally →

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 25, 2026.

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Distances & Start Times

50m7/31/2027 08:00$17

1 Mile7/31/2027 08:00$22

5K7/31/2027 08:00$32

10K7/31/2027 08:00$32

13.1 Miles7/31/2027 08:00$58

Virtual Race7/31/2027 08:00$42

Volunteer Then Run7/31/2027 08:00$17

13.1 Miles7/31/2027 08:00Free

Going for a Time?

Set a goal and get a pace band: every mile split on a card sized for your phone lock screen, so race morning needs no math.

Not sure what to aim for? The 5K pace chart lists the pace for every finish time.

Plan Your Trip

Where to Stay

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Common Questions About the Heatwave Half Marathon/5K/10K - Grand Rapids

Will I finish last at the Heatwave Half Marathon/5K/10K - Grand Rapids?

Almost certainly not. Half the 5K field finished slower than 35:50, and the last recorded finisher came in around 49:14, so there is a long tail of runners behind the middle of the pack. Most fields are far slower than people expect.

Is the Heatwave Half Marathon/5K/10K - Grand Rapids a good first 5K?

It is a small race (55 finishers), which is friendlier and less intimidating than a big-city event, though the field thins out. There is no qualifying time, and the finish-time spread above shows how varied the field really is. If it is your first 5K, that spread matters more than the winner's time.

How competitive is the Heatwave Half Marathon/5K/10K - Grand Rapids?

The 5K winner ran 22:46 while the median finisher took 35:50. That spread points to a mixed field, with a competitive front and a big recreational middle.

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