4 middle age men with MTBs(one slightly more aged than the rest)
Generous portion of night
2 dying or dead batteries
1 Rooty trail
Ride fast, ride slow, have fun, follow Big Worm as closely as you can, Don't lead. Don't follow Big Jim. Don't shine your light on Spanish Mackerels butt. After 2 to 2.5 hrs you should have plenty of fatigue, a few good memories and a bit more skill.