Rules: Runners must stay to the left side of the road. Runners caught crossing the center line will be disqualified. Trash recepticals will be located 200 meters beyond all aid stations. Runners caught littering outside of this zone will be disqualified. Please use the trash bins! Runners are required to carry a long sleeve shirt or jacket, as weather can change rapidly at 14,000 ft. Hats and gloves are also recommended. Please respect the cut-off times which are in place for the event. If you have missed a cut-off, please do not ask aid station volunteers to continue.

Ascent Cut-Off's A 2.5 hour cut-off will be in effect at Summit Lake, which is approximately 9 miles into the run. Summit Lake lies at an elevation of 12,850 feet, and is 2,250 feet higher than the starting line at Echo Lake. There will be a shuttle van at Summit Lake where you can take shelter. Summit crew will be notified of your withdrawal, and your summit bag will be brought down to the shuttle. The finish line will officially close after 4.5 hours. If you have missed a cut-off, please do not ask aid station volunteers to continue.

Round Trip Cut-Off's A 2.5 hour cut-off will be in effect at Summit Lake, which is approximately 9 miles into the run. Summit Lake lies at an elevation of 12,850 feet, and is 2,250 feet higher than the starting line at Echo Lake. The cut-off to start the return trip down the mountain is 4 hours after the start (9:30am). The finish line will officially close at 1:30pm. There will be intermediate cutoff times at each aid station on the return trip down the mountain. These times will be in line with finishing before the 1:30pm finish line cutoff, and will be announced shortly. If you have missed a cut-off, please do not ask aid station volunteers to continue.