App To Download
This app has absolutely everything you will need for race day. You can even have your friends and family download it so that they can track your progress during the marathon! You'll be able to track your favorite runners, and stay up to speed on the race-week and race-day events that matter to you. The app features: live tracking of runners with splits at the start, every 5K, half, and finish, live pro-athlete leaderboard, spectator course-map points of interest, race Calendar, expo information, and race FAQs, and marathon stats.
Download it HERE
[Photo via @nycmarathon]