2:25 Half MarathonPace Chart & Split Guide
Pace chart for a 2:25 half marathon with mile and kilometer splits, plus modelled 5K and 10K race equivalents.
2:25 Half Marathon
Pace/km
6:52
Pace/mi
11:04
Distance
21.1km
Avg Speed
8.7km/h
Kilometer Splits
| KM | Split | Elapsed |
|---|---|---|
| 1 | 6:52 | 6:52 |
| 2 | 6:52 | 13:45 |
| 3 | 6:52 | 20:37 |
| 4 | 6:52 | 27:29 |
| 5 | 6:52 | 34:22 |
| 6 | 6:52 | 41:14 |
| 7 | 6:52 | 48:07 |
| 8 | 6:52 | 54:59 |
| 9 | 6:52 | 1:01:51 |
| 10 | 6:52 | 1:08:44 |
| 11 | 6:52 | 1:15:36 |
| 12 | 6:52 | 1:22:28 |
| 13 | 6:52 | 1:29:21 |
| 14 | 6:52 | 1:36:13 |
| 15 | 6:52 | 1:43:06 |
| 16 | 6:52 | 1:49:58 |
| 17 | 6:52 | 1:56:50 |
| 18 | 6:52 | 2:03:43 |
| 19 | 6:52 | 2:10:35 |
| 20 | 6:52 | 2:17:27 |
| 21 | 6:52 | 2:24:20 |
| 21.10Finish | 0:40 | 2:25:00 |
Mile Splits
| Mile | Split | Elapsed |
|---|---|---|
| 1 | 11:04 | 11:04 |
| 2 | 11:04 | 22:07 |
| 3 | 11:04 | 33:11 |
| 4 | 11:04 | 44:15 |
| 5 | 11:04 | 55:18 |
| 6 | 11:04 | 1:06:22 |
| 7 | 11:04 | 1:17:26 |
| 8 | 11:04 | 1:28:29 |
| 9 | 11:04 | 1:39:33 |
| 10 | 11:04 | 1:50:36 |
| 11 | 11:04 | 2:01:40 |
| 12 | 11:04 | 2:12:44 |
| 13 | 11:04 | 2:23:47 |
| 13.11Finish | 1:13 | 2:25:00 |
Modelled race equivalents for a 2:25 half marathon
If this result represents current race fitness, the standard Riegel model (k=1.06) estimates the comparison times below. They are model outputs, not guaranteed performances; terrain, conditions, pacing, fueling, and distance-specific preparation still matter.
5K
31:31
10K
1:05:43
Marathon
5:02:19
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Pacing Notes for Your 2:25 Half Marathon
Half Marathon Pace Considerations
- Use the split table to rehearse pacing, then adjust it for course and weather.
- Only use fueling and equipment that you have already tested in training.
- Check effort as well as pace; GPS and terrain can distort individual splits.
- A goal time alone cannot determine safe weekly mileage or workout volume.
Race Execution Prompts
Mindset
Treat the goal as a pacing hypothesis and respond to conditions and effort.
Pacing
Start controlled, monitor average pace over stable segments, and adjust rather than forcing a failing plan.
Frequently Asked Questions
What pace do I need to run a 2:25 half marathon?
The mathematical average is 6:52 per kilometer or 11:04 per mile. Course distance, GPS error, hills, wind, and aid-station time can change the pace you see on race day.
Does a 2:25 goal determine my training plan?
No. Goal time alone cannot determine safe mileage, workout volume, or recovery. Use current training history and recent performance with a qualified coach or an established plan.
Does this page prescribe nutrition or gear?
No. Fuel, hydration, footwear, and equipment are individual decisions that should be tested in training; this page calculates pacing and splits only.
What 5K and 10K times are equivalent to a 2:25 half marathon?
Using the standard Riegel model with k=1.06, the comparison times are 31:31 for 5K and 1:05:43 for 10K. These are modelled scenarios, not guarantees of race performance.
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