Collocations for stamina - noun

great
mental, physical

have
She didn't the stamina to complete the course.

lack
need, require
build, build up, improve, increase
Aerobic exercise helps to build up stamina.

reserves of stamina (esp. BrE)
Waley had to call on all her reserves of stamina to win the marathon.

strength and stamina
He is working to improve his strength and stamina.

a test of stamina (esp. BrE)
Final exams at college can be as much a test of stamina as of knowledge.