According to Guinness….
In November 1993 Paddy Doyle did 1,868 one arm pushups in one hour.
Again 1,868 ONE ARM pushups in 1 HOUR. Averaged out this is slightly more than 31 reps per minute every minute for that hour.
Thought you should know.
-J
Linkage : http://www.guinnessworldrecords.com/world-records/most-one-arm-push-ups-in-one-hour