All participants of the Marathon must be at least 16 years of age. All participants of the Marathon Relay,  International Half -Marathon, or U.S.-Only Half-Marathon must be 14 years or older. There is no age limit on the 5K. Ages 4-12 are welcome for the Kids Fun Run, where those older than 13 are welcomed in the Competitive 1-Mile.

One parent/guardian is allowed to participate with a child in the Kids Fun Run without a bib or registration (untimed). However, only those registered for the Competitive 1-Mile will be allowed on the course (timed).