Runners make their way through the course at the 2015 Austin Marathon. Photo by Stephen Spillman for the Austin American-Statesman

Want to track a runner in Sunday’s Austin Marathon and Half Marathon?

The NXP Live Results system will automatically post any runner’s race progress on your Facebook or Twitter feeds, or text it to your mobile phone.

Spectators can get status of runners, including time, pace, position on the map and estimated finish, through the Live Tracker & Leaderboard.

To sign up, go here.