[1] He is best known for his coverage of the Tour de France, Olympic Games, and Professional Bull Riders (PBR) events.
He was a swimmer at Thomas Worthington High School, where he swam All-American times in three events.
He received an academic scholarship to attend Kenyon College, and earned 17 All-American titles in the school's NCAA Division III program.
Also that same year, he went to Australia to participate in Uncle Toby's Super Series where top ranked lifeguards travel the continent competing.
[3] In 1997, he hosted the Wakiki King's race and was a commentator on the Fox Sports' Association of Volleyball Professionals series.
[17] He has also appeared on Baywatch, Late Show with David Letterman,[19] The Golden Girls.
The Global Extremes finale followed a group of climbers scaling Mount Everest.
[22][23] In 2007, Hummer joined the CBS Sports' Tour de France announce team.
[29] In 2010, Hummer was host of the daily news segments for Universal Sports' Vancouver Olympic Games coverage.
[35][36] Hummer co-authored The Loyal Lieutenant: Leading Out Lance and Pushing Through the Pain on the Rocky Road to Paris with George Hincapie.