With a continuously running clock do one pull-up the first minute, two pull-ups the second minute, three pull-ups the third minute... continuing as long as you are able.
Use as many sets each minute as needed.
Post number of minutes completed to comments.
Compare to
080619
Deadlift
Light Warmup Set
3 intermediate warmup sets
1 work set of 5 reps
"Only one who devotes himself to a cause with his whole strength and soul can be a true master. For this reason mastery demands all of a person.” - Albert Einstein