Calculate your half marathon pace. Enter your target finish time or goal pace to see your splits, speed, and projected finish time for 13.1 miles.
The half marathon (13.1 miles / 21.1 km) is one of the fastest-growing race distances. Proper pacing is critical - going out too fast can lead to hitting the wall, while going too slow means leaving time on the table.
Use this calculator to find your ideal pace. Enter your goal finish time to see the pace you need per mile and per kilometer, or enter your target pace to see your projected finish time. Review the mile-by-mile splits to plan your race strategy.