Samuel arose - Saul could not return to his own station at Michmash, seeing it was occupied by the Philistines; so, perhaps by Samuel’s advice (since, according to the text, he preceded him there), he effected a junction with Jonathan at Gibeah. Some would read “Saul” instead of “Samuel.”
Related Commentaries of 1 Samuel 13:15
1 Samuel 13:15
15 And Samuel arose, and gat him up from Gilgal unto Gibeah of Benjamin. And Saul numbered the people that were presentd with him, about six hundred men.