He had no concerns - he says he was blind to the concept of risk .
Dr. Baggish ran his first marathon in 1997 when he was twenty - one years old , years before he became a doctor .
Baggish had no concerns - Baggish says Baggish was blind to the concept of risk .
Dr. Baggish ran his first marathon in 1997 when he was twenty - one years old , years before he became a doctor .