Kona Underpants Run | Fun Run Atlas | RMN
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Not viral. Useful.

Monday, October 5, 2026 · New Jersey

Monday, October 5, 2026 · New Jersey

Kona Underpants Run

Since 1998, triathletes and fans have run down Ali'i Drive in their underpants during IRONMAN week, a joke protest against wearing Speedos around town.

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Fun Run Atlas · Hawaii

Costume and theme · Kailua-Kona, HI

Kona Underpants Run is a costume and theme run in Kailua-Kona, Hawaii, with a verified date of October 8, 2026.

ConfirmedFamily friendlyCostumes encouraged
When
Thu, Oct 8, 2026
Start 7:15 a.m.
Thursday of IRONMAN World Championship race week in Kona
Where
King Kamehameha (Courtyard) Kona Beach Resort parking lot
Kailua-Kona, HI 96740 · Hawaii County
Directions
Entry
$35
Register
Organized by
IRONMAN Foundation
Since 1998
Official siteRegisterDirectionsAdd to calendar

What to expect

  • underwear only
  • costumes encouraged
  • Ali'i Drive
  • untimed
  • raffle
  • virtual option

2026 Confirmed

Thursday, October 8, 2026

  • Thu, Oct 8, 2026

Checked Sun, Oct 4, 2026 against the official source.

2027 Not announced

2027 not announced

Date TBA

About the run

A 1.5-2 mile out-and-back fun run on Ali'i Drive from the King Kamehameha Kona Beach Resort, with constant stops for photos and cheering. It raises money for the Kona community through the IRONMAN Foundation.

The run

Distances
~1.5-2 mile fun run
Occasion
IRONMAN World Championship week
Season
Fall
Swag
2026 KUPR underpants (while supplies last)
Benefits
Kona community giveback via IRONMAN Foundation

Nearby

Sources

Details checked against the race’s own pages on Sun, Oct 4, 2026.