Longest speedball marathon
Who
Frank Duncan
What
40:01 hour(s):minute(s):second(s)
Where
United States (Kingston)
When

The longest speedball marathon is 40 hr 1 min, and was achieved by Frank Duncan (USA) at the Mid-Hudson Athletic Club in Kingston, New York, USA, from 13-15 January 2017.

Frank broke this record because he wanted to see how far his passion could take him.