Bob Hearn

Bob Hearn is an American ultrarunner whose results span six-day races, 24- and 48-hour events, Spartathlon, backyard ultras, and the 500-kilometer Last Annual Vol-State Road Race.

Hearn won the 2021 Vol-State in 76:09:10, setting a course and uncrewed division record. Two years earlier, he covered 530.159 miles at Six Days in the Dome, finishing second to Joe Fejes and placing the result among the leading American six-day performances at the time.

His fixed-time progression included American over-50 age-group records at 24 and 48 hours. Hearn has also finished Spartathlon seven times, with a best of 27:01:08, the seventh in 2026 at age 60. His six-day results include an outright win at the 2023 6 Jours de France and 820.847 kilometers at the 2025 GOMU World Championship.