4:15 Marathon Pace
The exact even pace, per-kilometer splits and checkpoint times you need to run a 4:15 marathon — plus fueling and equivalent race times. Free.
| Distance | Time at even pace |
|---|---|
| 5K | 30:13 |
| 10K | 1:00:26 |
| 15K | 1:30:39 |
| Half | 2:07:30 |
| 25K | 2:31:05 |
| 30K | 3:01:18 |
| 35K | 3:31:31 |
| 40K | 4:01:44 |
| Finish | 4:15:00 |
⚡ Fueling for a 4:15 marathon
At roughly 4.2 hours of running, aim for about 60–90 g of carbohydrate per hour (≈ 255–382 g total) and 300–800 mg sodium per hour. Test your exact fueling in training — never race on something new.
Build your race-day fuel →Full kilometer-by-kilometer split table ▾
| KM | Cumulative | Pace/km |
|---|---|---|
| 1 km | 6:03 | 6:03 |
| 2 km | 12:05 | 6:03 |
| 3 km | 18:08 | 6:03 |
| 4 km | 24:10 | 6:03 |
| 5 km | 30:13 | 6:03 |
| 6 km | 36:16 | 6:03 |
| 7 km | 42:18 | 6:03 |
| 8 km | 48:21 | 6:03 |
| 9 km | 54:23 | 6:03 |
| 10 km | 1:00:26 | 6:03 |
| 11 km | 1:06:29 | 6:03 |
| 12 km | 1:12:31 | 6:03 |
| 13 km | 1:18:34 | 6:03 |
| 14 km | 1:24:36 | 6:03 |
| 15 km | 1:30:39 | 6:03 |
| 16 km | 1:36:42 | 6:03 |
| 17 km | 1:42:44 | 6:03 |
| 18 km | 1:48:47 | 6:03 |
| 19 km | 1:54:49 | 6:03 |
| 20 km | 2:00:52 | 6:03 |
| 21 km | 2:06:55 | 6:03 |
| 22 km | 2:12:57 | 6:03 |
| 23 km | 2:19:00 | 6:03 |
| 24 km | 2:25:02 | 6:03 |
| 25 km | 2:31:05 | 6:03 |
| 26 km | 2:37:08 | 6:03 |
| 27 km | 2:43:10 | 6:03 |
| 28 km | 2:49:13 | 6:03 |
| 29 km | 2:55:15 | 6:03 |
| 30 km | 3:01:18 | 6:03 |
| 31 km | 3:07:21 | 6:03 |
| 32 km | 3:13:23 | 6:03 |
| 33 km | 3:19:26 | 6:03 |
| 34 km | 3:25:28 | 6:03 |
| 35 km | 3:31:31 | 6:03 |
| 36 km | 3:37:34 | 6:03 |
| 37 km | 3:43:36 | 6:03 |
| 38 km | 3:49:39 | 6:03 |
| 39 km | 3:55:41 | 6:03 |
| 40 km | 4:01:44 | 6:03 |
| 41 km | 4:07:47 | 6:03 |
| 42 km | 4:13:49 | 6:03 |
| 42.195 km | 4:15:00 | 6:03 |
How to actually run a 4:15 marathon
The pace above assumes an even effort. In a study of over 4 million race records, 28% of men and 17% of women slowed dramatically in the second half — "hitting the wall" — almost always because they banked time early. Aim to reach halfway (2:07:30) on schedule or a few seconds behind, then hold. A flat, even or slight negative split is how most runners hit 4:15.
What pace is a 4:15 marathon?
A 4:15 marathon requires an even pace of 6:03 per kilometer (9:44 per mile), about 9.9 km/h. Over 42.195 km that adds up to exactly 4:15.
What are the 5K, 10K and halfway splits for a 4:15 marathon?
At even pace you pass 5K in 30:13, 10K in 1:00:26, and the halfway point (21.1 km) in 2:07:30. Reaching halfway meaningfully faster than 2:07:30 is the classic positive-split mistake that causes late-race slowdown.
How many carbohydrates do I need for a 4:15 marathon?
For a run of about 4.2 hours, sports-nutrition consensus is roughly 60–90 g of carbohydrate per hour — around 255–382 g total — plus 300–800 mg of sodium per hour depending on sweat rate. Practice your exact fueling in training; never try anything new on race day.
Times are mathematical even-pace targets, not a guarantee. Real results vary with course, weather, fitness and fueling. Nutrition guidance is general — consult a professional for individual needs.