TCS LidingöloppshelgenCompetition informationChip Your chip As always with a chip, you need to treat it correctly before and during your race. You find you electronic chip on the front side of your number bib. Removed and secured it to your shoe (similar to a ride ticket at a pleasure park). Look at the instructions below or on the back sidew of your number bib. NB: It must not be folded/flattened. The chip registers the participant’s intermediate times at roughly every 5 km on the 30 km course, and his/her finishing time. The runner’s elapsed time will start on the start signal and end when the finish line is crossed.