In response to sidhayes' reply: I had heard that other people had run it in less than 3 hours, but the times I posted were the best times I had found with a specific person's name attached to them and was just posting them to the qustion asked by davis. Thanks for the new information as it is amazi...

Here are some records for running the GC. The rim to tim run across the Grand Canyon has always been regarded as an adventure runners great challenge. Not sanctioned by the Park Service, the annual event is held each October, unofficially. For the toughest of the tough, runners run back to the South...

The record for an R3 is 7 hours 51 minutes set back in the mid or early 80's. The runner was from Arizona and he was 42 at the time. As a com,parison my time of 15 hours was done running a little over half the difference and fast hiking the uphills. Good luck with your R3.

In response to chris_quan's reply: I ran the R3 on Oct. 6 of this year in around 15 hours. I drank 12 quarts of water, lots of pretzels, Balance bars, 6 GU packets, and Wheat Thins. Four of us left at 11:30 pm on a full moon, went down the S Kaibob to the N Rim and back up the Bright Angel. I exper...