Half Marathon Pace Calculator
Turn a 13.1-mile finish goal into pace, race-day splits, a printable pace band, equivalent race predictions, and practical training split targets.
Roll a digit ↕︎
- Pace
- 5:41 /km
- Status
- Right on 2:00 pace
Your pace band
Clock time at every marker. Print it, cut it, tape it to your wrist.
The same pace from start to finish.
- Half marathon2:00:00
- 5K28:26
- 10K56:53
- 15K1:25:19
- 20K1:53:45
- Finish2:00:00
If you can run 2:00:00
Equivalent race times from the Riegel formula. Longer-race predictions assume your endurance training matches.
Workout paces
Interval targets based on your equivalent 5K effort.
Every finish time on one page:Half marathon pace chart
| Rep | Target |
|---|---|
| Mile | 8:19–8:36 |
| 1000m | 4:57–5:13 |
| 800m | 3:53–4:05 |
| 400m | 1:50–1:56 |
| 200m | 0:48–0:53 |
- 1Use the goal buttons to compare common half marathon targets from 1:15 to 2:30.
- 2Review the equivalent full marathon and 10K times before choosing an aggressive race pace.
- 3Use the workout paces as a quick reference for threshold and interval sessions.
How to use this calculator
- 1Choose Half marathon in the race distance selector.
- 2Tap a goal, flick the slide-rule tape, or type an exact finish time on the bib.
- 3Use the equivalent race times to sanity-check whether the goal fits your current fitness.
Common half marathon goal paces
| Goal | Pace | Use case |
|---|---|---|
| Sub-1:20 half marathon | 3:48/km or 6:06/mi | A strong competitive club-runner target. |
| Sub-1:30 half marathon | 4:16/km or 6:52/mi | A common benchmark for advanced recreational runners. |
| Sub-1:45 half marathon | 4:59/km or 8:00/mi | Often aligns with controlled tempo effort for marathon training. |
| Sub-2:00 half marathon | 5:41/km or 9:09/mi | One of the most common half marathon goals. |
Frequently asked questions
What pace is needed for a 2 hour half marathon?
A 2 hour half marathon requires about 5:41 per kilometer or 9:09 per mile.
Can I use a half marathon result to estimate marathon pace?
Yes. The calculator uses race-equivalent estimates, but marathon pace also depends on long-run durability, fueling, and course conditions.
Is half marathon pace close to threshold pace?
For many trained runners, half marathon pace is near threshold effort, but newer runners may need a more conservative effort.