What is the course time limit? Twain December 23, 2018 22:02 The course time limit for the half marathon is 4.5 hours. The course time limit for the marathon is 6 hours. Related articles What are the pace groups? How early should I arrive on race day? What is provided at the aid stations on the course? What time does Race Day Packet Pick-up open? What type of bag may I check?