Colin O'Brady is a professional endurance athlete, motivational speaker and adventurer. He is a three-time world record holder, and just became the first person in the world to travel across... Read allColin O'Brady is a professional endurance athlete, motivational speaker and adventurer. He is a three-time world record holder, and just became the first person in the world to travel across Antarctica unassisted.Colin O'Brady is a professional endurance athlete, motivational speaker and adventurer. He is a three-time world record holder, and just became the first person in the world to travel across Antarctica unassisted.