Marathon runners will pass through this Train Box at mile 8.75. Half marathon runners will pass through it at mile 0.50.
In all instances, runners will approach the train box by following the blue line running from north to south on 1st Ave, starting at the green marker shown on on the map. All runners will continue south until reaching the intersection of Market St & 1st Ave.
The "regular" route follows the purple line to continue south on 1st Ave and then turn left (east) on Sheridan St to arrive at the location shown by the orange marker.
The "detour" route follows the red line to turn left (east) on Market St, then right (south) on Naito Pkwy to arrive at the location shown by the orange marker.
After reaching the location shown by the orange marker, all runners will follow the blue line to continue south on Naito Pkwy on the regular route.
The regular route and the detour route have both been measured and certified so that no matter which route a runner takes, their race results will be valid and certified.