Complex sentence: Jeff Gordon led the field at the Lap 81 restart, but the main combatants over the next 120 laps would be Tony Stewart and Dale Earnhardt, Jr., who combined to lead 101 of the final 116 laps.
Split into simpler sentences: Jeff Gordon led the field at the Lap 81 restart. The main competitors during the second half of the race were Tony Stewart and Dale Earnhardt, Jr., who combined to lead 101 of the final 116 laps.