4. Which quality should "ultrarunners" have in order to be successful?

A. stamina

B. Humor

C. Kindness

D. Intelligence

stamina

Answer: Option A.

Explanation:

Desert racing which has been written by readworks speaks about the Ultra runners who were great runners. They had huge stamina in them to run for a large distance and had worked really hard to become able to do this.

One of the most famous ultra runners was Ryan Sandes who had run in the year 2008 for the first time in the desert series. Sandes had won himself a lot of titles in a number of races like Sahara race, race in Chinese areas.