Thank you for the correction. It was a grave error, and I regret it.

edit: in my defense, the organizers did advertise it both ways:

> Runners and walkers are expected to maintain a pace that will have them off of the Newport Pell Bridge an hour after they start. This requires a pace of 18:00 minutes per mile, or faster.

and also

> All participants must be off the bridge in one hour. This requires a 3 mph. pace. All participants unable to maintain this pace will be escorted off the bridge by race officials.