Precise 100km split is 0.25 miles short of a full 3x out and back as total distance is 62.4 miles. Perfect day to cruise and used this as my long run leading up to my 100 miler on December 5th. My dad met me at the mile 4 and mile 10.4 each lap with a new handheld with gels.
triple out & back (100km)
8h 34m 2s