20mi Long Run in Boston Workout

20 mile long run in Boston around Charles River running path
Time: 3:02:08
Avg Pace: 9:06
Elevation: 52ft
Calories: 2,877

1st 10 miles: 1:33:39
2nd 10 miles: 1:28:28

Felt great, last 4 miles cranked up the pace to Goal race pace (8:50-8:55) for 1st mile then just ran on feel from that. Last four miles felt good, could have kept going at that 8:30ish pace for another 6.2 miles.