Following the 2.4-mile swim portion, the approximately 2,500 athletes mounted their bikes for a 112-mile bike ride during the 2018 IRONMAN World Championship brought to you by Amazon in Kailua-Kona, Hawai`i.
BETTER TOGETHER: A dynamic team of brothers, Brent cycles on the Queen Ka’ahumanu Highway with his younger brother Kyle, who has spastic quadriplegia cerebral palsy. The Pease Brother’s race to raise awareness and motivate others athletes with disabilities as they look to become the first special team to finish the IRONMAN World Championship since Team Hoyt in 1999 (Photo by Tom Pennington/Getty Images for IRONMAN)
LASER FOCUS: After a swim for the ages, Great Britain’s Lucy Charles sets off on the bike.
ISLAND TIME: Under sunny blue skies, athletes take on the epic bike course down the Queen Ka’ahumanu Highway. Last years runner-up, Lionel Sanders from Canada passes through the lava field with an epic backdrop (Photo by Nils Nilsen/Getty Images for IRONMAN)
NEED FOR SPEED: With ideal conditions, athletes from 82 countries, territories and regions sought to take advantage on the bike course.
SAMBA STYLE: Professional Igor Amorelli was one of 65 Brazilian athletes in the field for the 2018 IRONMAN World Championship in Kailua-Kona, Hawai`i. Brazil was best-represented of all of the South American countries at the race (Photo by Nils Nilsen/Getty Images for IRONMAN)
CLIMBING TO THE TOP: His Highness Shaikh Nasser Bin Hamad Al Khalifa of Bahrain leads a pod of athletes as they take on the infamous Ventum bike course at the 2018 IRONMAN World Championship (Photo by Tom Pennington/Getty Images for IRONMAN)
THE GREAT BARRIER RYF: Defending champion Daniela Ryf endured a tough swim at the 2018 IRONMAN World Championship, exiting the water over nine minutes behind leader Lucy Charles. However, the Swiss superstar soon set about clawing back the deficit on the bike course (Photo by Nils Nilsen/Getty Images for IRONMAN)