- Brent Saik
- 83:13:00 hour(s):minute(s):second(s)
- Canada (Sherwood Park)
The longest marathon playing baseball was 83 hours 13 min, and was achieved by Dr. Brent Saik and 55 friends (all Canada) in Sherwood Park, Alberta, Canada, between 22 August and 25 August 2019.
Dr. Brent Saik and friends wanted to raise money for pediatric cancer research and research equipment during their attempt.