You are able to record the exact time a pet is exercised for.
Right click on the appointment and click Exercise Checkout. This means you are checking them out of boarding and taking them to exercise.
Please note: The pet will still show as checked in on the boarding schedule.
The appointment will turn lime green on the schedule.
When the pet is done exercising, right click on the appointment and choose Exercise Checkin.
To print the report, click on Reports, Boarding, Exercise Timings.
It will list the pets with each time they were checked out/in for exercise and their total exercise minutes for the day.