Free half marathon pace calculator
Plan 13.1 miles in checkpoints you can rehearse.
Turn a half-marathon finish goal into per-mile pace, per-kilometre pace and elapsed time at 5K, 10K, 15K and 20K.
Target pace
—per mile
—per kilometre
—finish time
Checkpoint splits
| Distance | Elapsed time |
|---|
Training for a mixed run/work event?
Keep running, work stations and transitions on separate clocks.
Build a hybrid split plan →Choose a target with room for conditions.
A two-hour target is about 9:09 per mile or 5:41 per kilometre. Use the result as a baseline, not a guarantee; hills, heat, wind and aid-station choices change the usable plan.