Charles Ellicott Commentary Joshua 7:5

"And the men of Ai smote of them about thirty and six men; and they chased them [from] before the gate even unto Shebarim, and smote them at the descent; and the hearts of the people melted, and became as water." — Joshua 7:5 (ASV)

Shebarim —i.e., the crevices, or ravines. A short distance below Ai the road passes the head of steep glens, which open into the plain of Jordan.

In the going down — i.e., until they escaped into these ravines.