Question

what do you understand by phrase marathon effort​

Answer 1

Answer:

Explanation:

which pharse

Answer 2

Answer:

a footrace run on an open course usually of 26 miles 385 yards (42.2 kilometers) broadly : a long-distance race. 2a : an endurance contest. b : something (such as an event, activity, or session) characterized by great length or concentrated effort. Marathon.