Scott Jurek's Daily Log:
Day 1 (May 27): Unicoi Gap -- 52.9 miles (started at 5:56 AM)
Day 2 (May 28): Rock Gap -- 53.2 miles (106.1 total) [+7.4 to JPD]
Day 3 (May 29): Yellow Creek Gap -- 52.2 miles (158.3 total) [+7.6 to JPD]
Day 4 (May 30): Newfound Gap -- 49.0 miles (207.3 total) [+7.9 to JPD]
Day 5 (May 31): Lemon Gap -- 52.7 miles (260.0 total) [+14.3 to JPD]
Day 6 (June 1): Devil Fork Gap -- 49.9 miles (309.9 total) [+14.1 to JPD]
Day 7 (June 2): Erwin -- 33.1 miles (343.0 total) [Even with JPD]
Day 8 (June 3): Carvers Gap -- 36.0 miles (379.0 total) [-11.8 to JPD]
Day 9 (June 4): Dennis Cove Road -- 39.5 miles (418.5 total) [-17.7 to JPD]
Day 10 (June 5): Damascus -- 50.6 miles (469.1 total) [-16.9 to JPD]
Day 11 (June 6): VA 603 -- 41.1 miles (510.2 total) [-21.4 to JPD]
Day 12 (June 7): VA 625 -- 51.8 miles (562.0 total) [-20.5 to JPD]
Day 13 (June 8): Dismal Falls side trail -- 48.4 miles (610.4 total) [-24.5 to JPD]
Day 14 (June 9): VA 613 -- 51.6 miles (662.1 total) [-20.8 to JPD]
Day 15 (June 10): VA 311 -- 45.9 miles (708.0 total) [-21.9 to JPD]
Day 16 (June 11): VA 614 -- 48.1 miles (756.1 total) [-26.3 to JPD]
Day 17 (June 12): US 60 -- 50.3 miles (806.4 total) [-25.4 to JPD]
Day 18 (June 13): Humpback Gap -- 48.7 miles (855.1 total) [-30.3 to JPD]
Day 19 (June 14): Skyline Dr. Mile 66.7 -- 50.7 miles (905.8 total) [-26.4 to JPD]
Day 20 (June 15): Hogwallow Gap -- 54.2 miles (960.0 total) [-24.6 to JPD]
Day 21 (June 16): Keys Gap -- 57.1 miles (1017.1 total) [-16.3 to JPD]
Day 22 (June 17): PA 16 -- 49.8 miles (1066.9 total) [-19.4 to JPD]
Day 23 (June 18): Boiling Springs -- 54.4 miles (1121.3 total) [-16.6 to JPD]
Day 24 (June 19): Greenpoint School Rd. -- 59.2 miles (1180.5 total) [-11.0 to JPD]
Day 25 (June 20): Hawk Mtn. Road -- 51.8 miles (1232.3 total) [-9.3 to JPD]
Day 26 (June 21): Wind Gap PA -- 45.5 miles (1277.8 total) [-8.6 to JPD]
Day 27 (June 22): High Point Monument -- 59.5 miles (1337.3 total) [-1.8 to JPD]
Day 28 (June 23): NY 17 (Arden) -- 46.4 miles (1383.7 total) [-0.4 to JPD]
Day 29 (June 24): Stormville Mtn. Rd. -- 51.6 miles (1435.3 total) [+1.4 to JPD]
Day 30 (June 25): Sharon Mtn. Rd. -- 49.7 miles (1485.0 total) [+2.0 to JPD]
Day 31 (June 26): Beartown Mtn. Rd. -- 50.1 miles (1535.1 total) [+5.7 to JPD]
Day 32 (June 27): Mount Greylock -- 51.2 miles (1586.3 total) [+7.7 to JPD]
Day 33 (June 28): Stratton-Arlington Rd. -- 47.3 miles (1633.6 total) [+8.2 to JPD]
Day 34 (June 29): VT 103 -- 49.9 miles (1683.5 total) [+14.6 to JPD]
Day 35 (June 30): Joe Ranger Rd. -- 50.4 miles (1733.9 total) [+23.0 to JPD]
Day 36 (July 1): NH 25A -- 46.7 miles (1780.6 total) [+33.6 to JPD]
Day 37 (July 2): Galehead Hut -- 48.5 miles (1829.1 total) [+38.8 to JPD]
Day 38 (July 3): Mizpah Spring Hut -- 21.1 miles (1850.2 total) [+21.8 to JPD]
Day 39 (July 4): Imp Shelter -- 32.7 miles (1882.9 total) [+26.6 to JPD]
Day 40 (July 5): Full Goose Shelter -- 29.4 miles (1912.3 total) [+21.4 to JPD]
Day 41 (July 6): South Arm Rd. -- 30.1 miles (1942.4 total) [+20.4 to JPD]
Day 42 (July 7): Spaulding Mtn. Lean-to -- 45.1 miles (1987.5 total) [+26.6 to JPD]
Day 43 (July 8): Main Logging Rd. -- 41.9 miles (2029.4 total) [+28.4 to JPD]
As others have noted he hiked until 5:09 AM on Day 37.
Do you suppose he's doing work-for-stay at Galehead Hut? That could slow him down.