Marathon Pace Calculator
Enter your goal finish time to get your required pace and even splits.
Goal finish time
Set your target marathon time, then choose whether to display pace per mile or per kilometer.
Hours
Minutes
Seconds
Common BQ Targets
Your race pace
Updated automatically once you enter a goal time of at least 1 hour.
Need inspiration?
What does a BQ pace look like?
Tap any common BQ standard above to auto-fill the calculator, then compare races that match your training plan.
Pacing guidance
Use the pace as a planning target, not a rigid rule
The calculator converts a marathon goal time into an even average pace per mile and per kilometer, then shows checkpoint splits through the finish. Even pace is the cleanest baseline for training and race planning because it gives you one simple number to rehearse during workouts, long runs, and tune-up races.
Race execution is rarely perfectly even. Crowded starts, hills, wind, aid-station traffic, and late-race fatigue all move the clock around. For a Boston qualifier attempt, use the split table to understand the average effort required, then adapt your race plan to the actual course. A rolling course may call for even effort rather than even pace, while a downhill course may require restraint early so the quads are still functional after mile 20.
If you are targeting Boston, build in a cushion. The published standard is the entry requirement, but it has not always been enough for acceptance when registration demand exceeds the field size. Many runners choose a goal several minutes faster than the standard, then use the calculator to translate that buffer into workout paces and race-day checkpoints.
Common pace-planning mistakes
Do not pick a pace only because it matches an age-group standard. Confirm that the goal is supported by recent fitness, long-run durability, fueling practice, and the course you plan to run. A target that looks reasonable on a flat chart can become unrealistic on a warm day or a hilly route.
Also avoid treating downhill courses as free time. They can produce fast results, but they reward runners who practiced descending at controlled effort. Use this calculator with the race comparison tool so your goal pace is paired with terrain, weather, and logistics before registration.
Marathon pace FAQ
Should I run every mile at the exact pace?
Use the pace as an average. On rolling or windy courses, even effort may be smarter than forcing each mile to match the chart. The split table gives you checkpoints for staying honest.
How much buffer should I target?
The right buffer depends on the race year and your risk tolerance. Many BQ hopefuls choose a target a few minutes faster than the published standard so registration cutoffs are less stressful.
Can I use this for workouts?
Yes. The per-mile and per-kilometer outputs are useful for marathon-pace segments, long-run finish miles, and tune-up race planning, as long as the goal reflects current fitness.
Build a pace plan around the course
Once you know the average pace, adapt it to the marathon you are considering. On a flat course, the plan may be close to even splits. On a rolling course, use the calculator to monitor total elapsed time while allowing individual miles to vary. On a downhill course, an aggressive early split can feel easy and still create a late-race problem, so the target pace should be paired with specific downhill training.
The most useful pace target is one you can explain in advance: the halfway split, the effort through 20 miles, the buffer you want against the Boston standard, and the adjustments you will make for heat, wind, hills, and aid-station congestion.
Keep building your plan
See the qualifying time for your age group or browse every BQ-eligible race.