Racing smarter
What pace is a 35-minute 5K?
35:00 for the 5K is 7:00/km (11:16/mi), held the whole way. Halfway on even pace is 17:30. Most watches measure the course long, so the pace you actually need on the screen is nearer 6:54/km.
| What | Number | The qualifier |
|---|---|---|
| Pace needed | 7:00/km (11:16/mi) | even, start to finish |
| Halfway (even) | 17:30 | 17:51 on a 2% negative split |
| Watch pace at 1.5% overage | 6:54/km (11:06/mi) | what the screen has to show |
| Distance | 5 km (3.11 mi) | the measured course, not the watch |
What pace is a 35-minute 5K?
35:00 over 5 km (3.11 mi) is 7:00/km (11:16/mi), held from the first step to the last. There is no rounding slack in that number: run the first kilometre at 7:10/km and you have already spent ten seconds you will not get back cheaply.
35 minutes is 7:00/km (11:16/mi), and it is a real 5K time run by a very large number of people every Saturday morning. It is also close to the pace at which many people finish a beginner programme, which makes it a better place to start measuring progress than the 30-minute mark everyone quotes. Two things help most at this pace. Running the first kilometre slower than the rest, because at 35 minutes the start-line surge costs more than it does at faster times. And walking briefly when you need it rather than stopping altogether: a 30-second walk at 3 km usually produces a faster finish than pushing through and fading.
What the splits look like
| Kilometre | Split | Elapsed |
|---|---|---|
| 1 | 7:00 | 7:00 |
| 5 | 7:00 | 35:00 |
And in miles, for a course measured that way:
| Mile | Split | Elapsed |
|---|---|---|
| 1 | 11:16 | 11:16 |
| 3 | 11:16 | 33:48 |
| 3.11 | 1:12 | 35:00 |
Where should I be at halfway?
Even pace puts you through halfway at 17:30. Most people who finish this time went through slightly slower than that, not faster — a 2% negative split means halfway at 17:51 and a second half of 17:09.
The decision rule for race day: if you reach halfway more than 0:21 ahead of 17:30, you are not ahead of schedule, you are borrowing. Ease back to 7:00/km (11:16/mi) and hold it.
What if my watch measures the course long?
Almost every watch does. A 5K that reads 1.5% long on your wrist means you have to run 6:54/km by the watch to finish in 35:00 by the clock. That is the pace to put on the screen, and it is why pacing off a watch's average-pace field alone tends to leave people a minute or two short.
Questions runners actually ask
- Is a 35-minute 5K a good time?
- Good is a comparison, and it depends who with. Whether it is achievable for you is the answerable question: it comes down to a recent race, your weekly volume and your longest run. The race predictor puts numbers on all three.
- Should I run even splits or negative splits?
- Even, planned; slightly negative, executed. Going through halfway 1-2% slower than even pace costs almost nothing if you are strong at the end, and saves the race if you are not.
Sources
- Hanley B et al. Pacing profiles of senior athletes at the World Athletics Championships. Front Sports Act Living 4:964905, 2022 primary
- Deaner RO et al. Men are more likely than women to slow in the marathon. Med Sci Sports Exerc 47(3):607-616, 2015 primary
- World Athletics Competition Rules, Book C2.1 — course measurement and the short course prevention factor reference
Changelog
- — First published.