I'm planning to go back on Saturday and drive it again during the day when there's more light, and less cars.
I slowed it down a bit today, and managed pretty even splits all around. Most importantly, I've earned a day of rest! (and there was much rejoicing - yay)

Splits
Mile 1: 9:43
Mile 2: 9:39
Mile 3: 9:43
Mile 4: 9:47
Mile 5: 9:48
5 miles, 48:43, 9:44/mi average, 556 calories burned