Tadej Pogacar leads Tour while Mark Cavendish surges; benefits of caffeine supplementation; Paul Graham on not holding back just because you're embarrassed.

Hot and brutal Ironman CDA; new competition pool in Boise clears major hurdle to development; Tour off to a crash-heavy start.

70.3 Des Moines was a wet and hot mess; Boise Trails Challenge underway; dehydration/exertion and muscle cramps; Mano a Mano throw down between Jan Frodeno and Lionel Sanders.

Q/A w/ Jocelyn McCauley and Cody Beals; USA Olympic triathlon team announced; Allistair Brownless disqualified from Olympics for 'ducking' an opponent, improved bike lanes for Boise.