20 Epic Images from the 2017 Ironman World Championship

2017 Ironman World Championship

Athletes school like fish as they begin their 2.4-mile swim as part of the 2017 Ironman World Championship in Kailua-Kona, Hawaii. Photo by Donald Miralle/Ironman

2017 Ironman World Championship

The age-group men kick off their day in Kailua Bay. Photo by Donald Miralle for Ironman

2017 Ironman World Championship

Age-group athlete’s start their day with a mass swim start off the coast of beautiful Kailua-Kona, Hawaii. Photo by Sean M. Haffey/Getty Images for Ironman

2017 Ironman World Championship

Ironman Ambassador Athlete and adventurer Aron Anderson from Sweden on the bike. Photo by Donald Miralle/Ironman

2017 Ironman World Championship

Thousands of spectators and messages of support line the streets of Kailua-Kona at the start of the 112-mile bike course. Photo by Sean M. Haffey/Getty Images for Ironman

2017 Ironman World Championship

KAILUA KONA, HI – OCTOBER 14: An aeriel view of the transition area during the IRONMAN World Championship on October 14, 2017 in Kailua Kona, Hawaii. (Photo by Sean M. Haffey/Getty Images for IRONMAN)

2017 Ironman World Championship

Michelle Alexander from Denver holds up an ‘IRONMEN ARE SEXY’ sign as athletes cycle by. Photo by Tom Pennington/Getty Images for Ironman

2017 Ironman World Championship

Cameron Wurf of Australia passes Lionel Sanders of Canada on his way to smash Norman Stadler’s 2006 Ironman World Championship bike course record by more than 5 minutes. Photo by Tom Pennington/Getty Images for Ironman

2017 Ironman World Championship

A cyclist rides through the hot and windy Kona bike course. Photo: Sean M. Haffey/Getty Images for ironman

2017 Ironman World Championship

An athlete moves towards the ultimate endurance goal as they take on the 112-mile bike course. Photo by Sean M. Haffey/Getty Images for Ironman

2017 Ironman World Championship

Athletes are exposed to the elements, including intense cross winds and soaring temperatures during the Ironman World Championship bike course, which follows Queen Ka’ahumanu Highway, from Kailua-Kona to the turnaround in Hawi. Photo by Donald Miralle/Ironman

2017 Ironman World Championship

Three-time Ironman world champion Daniela Ryf of Switzerland runs through a water station. Photo by Tom Pennington/Getty Images for Ironman

2017 Ironman World Championship

Patrick Lange ran away from the professional men’s field with a 2:39:59 run split to claim victory at the 2017 Ironman World Championship in Kailua-Kona, Hawai’i. He was 14 seconds away from breaking the run course record he set last year (2:39:45). Photo by Donald Miralle/Ironman

2017 Ironman World Championship

Ironman World Championship rookie Lucy Charles runs solo along the Queen Ka’ahumanu Highway. Photo by Tom Pennington/Getty Images for Ironman

2017 Ironman World Championship

Switzerland’s Daniela Ryf gave it everything to claim her third-consecutive Ironman World Championship win. Photo by Tom Pennington/Getty Images for Ironman

2017 Ironman World Championship

Second-place female Lucy Charles is welcomed to the finish line by Ironman world champion Daniela Ryf of Switzerland. Photo by Donald Miralle/Ironman

2017 Ironman World Championship

An athlete at the Ironman World Championship has water poured on her head by one of the 5,000 volunteers to help combat the 87F/31C heat experienced on the 26.2-mile run course in Kailua-Kona, Hawai`i. Photo by Sean M. Haffey/Getty Images for Ironman

2017 Ironman World Championship

Darkness begins to surround athletes as the red sun sets over the Pacific Ocean at the 2017 Ironman World Championship in Kailua-Kona, Hawaii. Photo by Tom Pennington/Getty Images for Ironman

2017 Ironman World Championship

From dawn till dusk, athletes needed to hydrate and cool off from the 89F/32C temperatures. Photo by Donald Miralle/Ironman

2017 Ironman World Championship

The last finisher, 66-year old Catherine Wilson from NSW, Australia woulld not be denied the feeling of the finish line on Ali’i Drive as she makes her way on the home stretch. Photo by Tom Pennington/Getty Images for Ironman

A look at 20 spectacular images capture by the Getty Images crew at the 2017 Ironman World Championship.

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