"As much as it was a challenge for me as far as conditioning ... he aims to sustain the pace of the last regular season.

David Goggins is the epitome of endurance ... always on the hunt for the next challenge. That mindset is the reason I broke ...

David Goggins had run 70 miles of his 100-mile race when he began to pee blood. It was 2005. Goggins, a 240-pound Navy SEAL, had entered the San Diego race to raise money for charity. It was his ...