What's a good iOS app for tracking runners in the San Francisco Marathon?

San Francisco Marathon Tracker is an excellent choice for tracking runners during the San Francisco Marathon. The app, developed by Dilltree Inc, provides real-time updates and location information, allowing you to follow your loved ones' progress along the course. Its bib tracker feature makes it easy to find and monitor specific runners. The app's user-friendly interface ensures that you can quickly access the information you need without any hassle. With San Francisco Marathon Tracker, you can feel like you're right there cheering them on, even if you can't be there in person. It's a reliable and convenient way to stay connected and informed throughout the race.