Hey jderekwood,
Thank you for using Apple Support Communities.
For changing pace, you can review this article: Start a workout on Apple Watch - Apple Support
"Choose a target pace for an outdoor run, and your Apple Watch shows if you’re ahead or behind that pace.
- Open the Workout app
on your Apple Watch. - Turn the Digital Crown to scroll to Outdoor Run, then tap
. - Tap Create Workout, then tap Pacer.
- Adjust the distance—5 miles, for example—then tap Next.
- Adjust the target time for running that distance, then tap Done.
- During your run, your Apple Watch shows your average pace and your current pace, and a graph shows whether you are ahead or behind your chosen pace.
Your Apple Watch remembers your target pace across workouts. To change it, choose Outdoor Run, tap
, tap
in the Pacer tile, tap Distance • Time, then edit the distance and time."
For further assistance with this, we recommend contacting Apple Support here: Get Support.
Take care.