A pace band is a wrist-sized list of the elapsed times you aim to reach at each race marker. Choose your distance, finish-time goal and pacing strategy, then compare your total race time with the band at each mile or kilometre. Each time is measured from the start, so you can read it directly against an elapsed-time clock.
For general information only, not professional advice. Check the official sources below. Use your own judgement and speak to a qualified professional before you act.
What do the numbers on a pace band mean?
The distance column identifies the course marker. The time beside it is the cumulative target: how long you should have been running when you reach that point. It is different from the time for just the latest mile or kilometre.
For example, a target of 1:58:30 beside mile 13 means reaching that marker one hour, 58 minutes and 30 seconds after your start. Compare like with like. If the event's clock includes time before you crossed the start line, account for that difference.
Should you use kilometres or miles?
Choose the unit used by the course markers you expect to follow. The tool can produce either set from the same race distance and goal time. NIST defines one international mile as exactly 1.609344 km.
A marathon is 42.195 km, so a mile-based band includes a final partial mile. The finish row uses the full distance even though its marker label is rounded for display. Do not treat mile 26 as the finish or assume your watch's distance estimate is identical to the course marker.
What does a 3:59 marathon band show?
Select Marathon, a goal of 3:59:00, miles and even pacing. The tool displays an average pace of 9:07 per mile and these cumulative targets:
- Mile 1
- 9:07
- Mile 13
- 1:58:30
- Mile 26
- 3:57:00
- Finish
- 3:59:00
The calculator retains the unrounded pace for each marker and rounds only the displayed time to the nearest second. Multiplying the displayed 9:07 by every marker can therefore produce a slightly different result. Use the cumulative targets on the band.
How do even and negative splits differ?
Even pacing assigns the same pace throughout the race. A negative split assigns less time to the second half, making it faster than the first. The generator supports a negative split of 1% to 5%.
In this tool, the percentage describes the reduction in second-half time compared with first-half time. A 2% selection makes the second half take 98% of the first half's time. The two halves still add up to your chosen finish time. This arithmetic does not assess whether that strategy suits your course or fitness.
How do you print and use it?
- Check the race distance, goal time, marker unit and strategy.
- Choose Save PDF to download the wrist band, then print at 100% scale.
- Cut along the guide, fit the strip around your wrist and secure it with clear tape.
- Check the next cumulative target at a course marker without assuming every watch reading matches it.
The separate Print action includes the result summary and complete split table. If your race unfolds differently, treat the band as a reference for your goal rather than a requirement to chase every target regardless of conditions.
Make your own result
Use your own dates, distances or times in the pace band generator.
Open pace band generatorA few useful answers
Sources
- World Athletics: Marathon (discipline page)
Marathon distance: 26 miles 385 yards (42.195 km).
- National Institute of Standards and Technology (NIST): NIST Guide to the SI, Appendix B.8: Factors for Units Listed Alphabetically
One mile = 1609.344 metres (exact factor).
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StrideSheet team
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