Run 23:00 
mild low level tempo
hotel treadmill...forgot my brace but decided on a bit of treadmill running for a knee test.....
decided to do 9 x 2 min run/ 3 min uphill hike on the treadmill
( run was 13:37/ mile @ 4% incline....hike was 20:00/mile @ 8% incline)
1 x 5 min at 12:30 pace @ 2.5% incline....149 HRA!
-averaged 138 AHR...HR went from 135 to 158 HR on the last run interval....
-set incline at 4% for run to minimize strike impact...this worked.
-knee pain was a 3.5 and 4 with no brace but it was dull, not sharp, and steady, not increasing.....I took it as a positive, cautiously encouraged
-good option for a run workout with some protection when I begin to return to running this winter