Meet Edie Markovich, the California teen who just became the youngest person ever to swim across the treacherous Kaiwi Channel!

She finished in 14 hours and 27 minutes despite a slightly scary encounter at the start and strong currents along the way. So how did she go from Molokai to Oahu in record time ― and what kept her going? Listen in as Edie describes her grueling but rewarding open ocean challenge and offers tips to those looking to boost their swimming endurance.