CHRONOTRACK SYSTEM AND SAI TIMING & TRACKING SYSTEM

The Philadelphia Marathon, Half Marathon and Rothman Institute 8K will utilize the Chronotrack System and SAI Timing & Tracking System, featuring "state-of-the-art" computer technology for race scoring and timing. Utilized at numerous high profile races around the world, each device contains a runner's personalized identification code which will be read by sensors at the start and finish lines, and other locations on the course. Worn on the laces of your shoe, the device will transmit a unique signal which will enable the computer to record your official time.

Click here to see how easy it is to attach the timing tag to the laces of your running shoe, or download a PDF of the instructions in English and Spanish.