Cycling vs running heart rate zones
The same effort often gives a lower heart rate on a bike than on foot. Here is why, how big the gap tends to be, and how to set zones when you do both.
Why the numbers differ
Running is weight-bearing and uses a lot of muscle across the whole body. On a bike your weight is supported and the work is concentrated in the legs. The usual result is that you reach a lower maximum heart rate on the bike, and a lower heart rate at the same effort.
Cooling plays a part too. Riding moves air over you, which helps keep your core temperature down, and a cooler body needs a slower heart. Position, cadence and how fit you are for each sport all matter as well.
Studies and coaches commonly report a bike max about 5 to 10 beats per minute lower than a running max. That is an average. Some people show little or no difference, and a few show more.
What it means for zones
If you set your zones from a running max, the same heart rate means a harder effort on the bike. Here is an example with two maxes, 190 bpm running and 182 bpm cycling:
| Zone | From a running max of 190 | From a cycling max of 182 |
|---|---|---|
| Z2 Endurance | 114 to 132 bpm | 109 to 126 bpm |
| Z3 Tempo | 133 to 151 bpm | 127 to 145 bpm |
| Z4 Threshold | 152 to 170 bpm | 146 to 163 bpm |
Riding at 130 bpm reads as Zone 2 with the running zones, but it is Zone 3 by the cycling ones. If your easy rides are supposed to be easy, that gap adds up.
Walking goes the other way. At a normal pace it rarely lifts most people far above Zone 2, so for walking the zones are mostly a way to confirm you are staying easy.
How to set zones for each sport
- Use a measured max for each sport if you have one. The highest heart rate you have seen in a hard effort, recorded with a chest strap, is the best starting point. Our guide to max heart rate formulas explains how to find it safely.
- If you only know one max, adjust for the other sport. Many coaches take about 5 to 10 beats off a running max for cycling as a starting point.
- Check with the talk test. If your Zone 2 on the bike leaves you short of breath, the range is too high, whatever the number says.
How Motionry handles it
Motionry sets one max heart rate and shares the same five zones across rides, runs and walks. If you split your time between sports, set your max from the one you do most, and use the talk test to correct for the other. The heart rate zone calculator shows how your zones move when you change the max by a few beats.
This guide is general fitness information, not medical advice. If you have a heart condition, take medication that affects your heart rate, or are unsure whether hard exercise is safe for you, talk to a doctor first.