Runners MUST run on the far left side of the road or off the left side of the road, facing the incoming traffic.
Running MUST always be on SINGLE FILE.
Runners must progress under their own power without drafting, helping, pushing, supporting, or any type of physical assistance.
Runners may not use walking sticks, ski poles, or the like. So-called "cooling vests" or toher types of artificial/technological cooling system may not be worn or utilized by runners while making forwatd progress on the race course.
Runners may not carry an Umbrella or allowed to be shaded with a Cover by a Support Crew.