Kona 2011 - Underpants Run

Online triathlon magazine with product reviews, a bike fit guide, training tips, and several regular columnists. The editor is Dan Empfield, the founder of Quintana Roo.

What is The Underpants Run??!!

Kona 2011 - Underpants Run

PHOTOS: IRONMAN Underpants Run & More : Big Island Now

Kona 2011 - Underpants Run

Kona memories: Were those guys running in underpants? - Triathlon

Kona 2011 - Underpants Run

Underpants Run - #UPR18 6 days and counting till event day

The Century Tuna Superbods: The Underpants Run

2011 IRONMAN World Championship