The 3M half marathon returns to Austin this week. Access to the church is only restricted from 45th Street north and from Duval Street east. You can easily get to FELC by exiting MoPac at Westover or 38th Street, and by taking Lamar or Guadalupe beginning south of 11th Street.
More informatoin about the race course can be found here: https://downhilltodowntown.com/course-elevation/