Andy Coggan 7 Cycling Power Training Zones Calculator
The formula
Why Power Meters Revolutionized Cycling Training
Heart rate is subject to cardiac drift (rising heart rate over time due to body temperature and dehydration) and lags 30 to 60 seconds behind effort. In contrast, power measured in Watts provides instant, uncheatable mechanical work feedback, allowing cyclists to target specific mitochondrial and neuromuscular adaptations with surgical precision.
Frequently asked questions
What is Sweet Spot training?
Source & methodology
Coggan A. "Level 1-7 Power Training Zones." Cycling Analytics; VeloPress 2010.
How Andy Coggan 7 Cycling Power Training Zones works — and what your result really means
You are here because you need a specific number, and you want to see how it was produced before you rely on it. There are plenty of pages about Andy Coggan 7 Cycling Power Training Zones; almost none of them show the working. This one does: the formula, every input, a fully computed example, and a sensitivity analysis calculated live from this engine’s own defaults.
What makes Andy Coggan 7 Cycling Power Training Zones worth calculating is not precision but position: it tells you which side of a threshold you are on, and by how much. A rough figure that settles the direction beats an elaborate one that never commits.
Individual variation is large here: limb proportions, fibre mix and history all shift how a population-average Andy Coggan 7 Cycling Power Training Zones maps to you. Use it as a starting prescription, then let performance feedback over weeks tune it.
Every figure in the prose is generated by the engine rather than written beside it — the worked example resolves to zone 4 Lactate Threshold Corridor = 245 on the default inputs, and the sensitivity section ranks the inputs that move the result — Functional Threshold Power first, at ≈10.2 % of the headline for a ten-percent error either way in that input — which is the thread the rest of this guide pulls on.
The Andy Coggan 7 Cycling Power Training Zones formula, explained
Here is the complete model this tool runs — Z1 < 55% | Z2: 56-75% | Z3: 76-90% | SS: 88-94% | Z4: 91-105% | Z5: 106-120% — with each input explained below. If a competitor’s page gives you a different answer from the same inputs, this is the text that settles which of you is right.
Functional Threshold Power (Watts) (example value 250) is a quantity rather than a category — precision here is cheap and worth having. This input feeds the formula directly; a defensible figure here is worth more than false precision anywhere else.
Andy Coggan 7 Cycling Power Training Zones on the example inputs: the complete substitution
Abstract formulas are hard to trust, so here is the complete substitution using the default inputs, written the way an examiner would want it. Starting figures: Functional Threshold Power (Watts). The computed zone 4 Lactate Threshold Corridor comes out at 245, which the interpretation band labels “🟢 FTP Anchor: 91%–105% of 250W. The exact power band for functional threshold interval training.”.
- Baseline FTP = 250 Watts
- Zone 2 Endurance (56–75%) = 140 W to 188 W = 139 – 188 W
- Sweet Spot (88–94%) = 220 W to 235 W = 220 – 235 W
- Zone 4 Threshold (91–105%) = 226 – 263 W
- Zone 5 VO2 Max (106–120%) = 264 – 300 W
Sweet Spot Range (88–94%) — 220 – 235 Watts. This is the number experienced users quote when the headline alone would mislead.
Zone 2 Base Endurance Range — 139 – 188 Watts. This is the number experienced users quote when the headline alone would mislead.
Zone 5 VO2 Max Interval Range — 264 – 300 Watts. Compare it against the main result of 245 before drawing conclusions.
Zone 1 Active Recovery Floor — < 138 Watts. Read next to the headline, this is the figure that shows the shape of the trade-off.
Zone 6 Anaerobic Burst Range — 301 – 375 Watts. This is the number experienced users quote when the headline alone would mislead.
Overwrite any input above and every line of this example updates with it — the substitution is live, not a screenshot of somebody else’s numbers.
How far Andy Coggan 7 Cycling Power Training Zones can reasonably move
Read this table as the practical error bar on the headline figure. It answers the question people actually have after seeing a single number: how wrong could this be if the main input is off by ten or twenty percent?
| Functional Threshold Power setting | Zone 4 Lactate Threshold Corridor |
|---|---|
| 80 % of the example value | 196 |
| 90 % of the example value | 220 |
| example inputs | 245 |
| 110 % of the example value | 269 |
| 120 % of the example value | 293 |
Across 5 settings of Functional Threshold Power, the result spans 196 to 293. A decision that only works at one row of this table is a decision waiting for an input to move. Reproduce it in the form above by editing Functional Threshold Power alone; the substitution steps will follow your figures exactly.
What actually moves your Andy Coggan 7 Cycling Power Training Zones
Nobody should have to guess which input matters. The engine was re-run once per field below — ten percent up, ten percent down, everything else frozen — and the results ranked by how far they moved the zone 4 Lactate Threshold Corridor. For Andy Coggan 7 Cycling Power Training Zones the ranking is measured rather than guessed, and it belongs to these defaults: shift the starting point and the order can shift with it.
- Functional Threshold Power +10 % → Andy Coggan 7 Cycling Power Training Zones = 269 · −10 % → 220 (the zone 4 Lactate Threshold Corridor shifts ≈10.2 %)
Functional Threshold Power is the dominant lever here: ten percent either way moves the result by about 10.2 %, from 220 to 269. That is where a careless figure does the most damage, so check it against a source. The rest of the inputs earn only a rounding-error of attention, and that asymmetry is the practical payoff of measuring rather than asserting.
Interpreting the Andy Coggan 7 Cycling Power Training Zones verdict
The value above only becomes useful the moment you know what it is being measured against. The default case lands in the “🟢 FTP Anchor: 91%–105% of 250W. The exact power band for functional threshold interval training.” band, and bands are deliberately wide because real situations overlap. The sensitivity list shows how far a modest input error moves you along that ladder: for Functional Threshold Power, ±10 % covers 220 to 269. The practical reading rules: read the band as a starting hypothesis, then test it: change the two dominant inputs by ten percent and see whether the verdict survives. Verdicts that survive stress are the ones worth acting on.
Related measures answer related questions, and the distinctions matter: Andy Coggan 7 Cycling Power Training Zones is the quantity, Zone 4 Lactate Threshold Corridor is this tool’s reading of it, and the decision that follows belongs to neither of them separately.
Why Andy Coggan 7 Cycling Power Training Zones results go wrong — and how to prevent it
Using stale inputs. Andy Coggan 7 Cycling Power Training Zones is only as current as the numbers behind it — an estimate carried over from a previous season, rate table or report quietly biases every output. Re-measure the inputs first; that single habit fixes more bad Andy Coggan 7 Cycling Power Training Zones figures than any formula change.
Using stale inputs. Andy Coggan 7 Cycling Power Training Zones is only as current as the numbers behind it — an estimate carried over from a previous season, rate table or report quietly biases every output. Re-measure the inputs first; that single habit fixes more bad Andy Coggan 7 Cycling Power Training Zones figures than any formula change.
Attention is also misallocated between fields. Having measured this engine, we can say where it belongs: Functional Threshold Power first, everything else second.
Another is comparing across contexts: an Andy Coggan 7 Cycling Power Training Zones computed with one set of conventions should never be lined up against a figure computed with another. Check the inputs behind both before ranking them.
A quick check for any Andy Coggan 7 Cycling Power Training Zones figure
- Verify each input against its original source document, not memory.
- Re-run the calculation with a ±10 % stress on the two most sensitive inputs.
- Put Functional Threshold Power under a magnifier; the sensitivity table above is the reason why.
- Record the date and the inputs alongside the number so future-you knows what was assumed.
- Compare the result with one independent method or published benchmark.
- Run the ±10 % stress on the top two levers and check that your conclusion survives both.
Step by step: getting a trustworthy Andy Coggan 7 Cycling Power Training Zones out of this tool
The tool does the arithmetic; the routine below is what makes the arithmetic trustworthy. Five steps, a minute total — and afterwards you will know not just what the number is, but which assumption produced it.
Step 1 — gather before you type. Andy Coggan 7 Cycling Power Training Zones depends on functional threshold power (watts). Collect them from a source document — a statement, a report, an invoice, a log — rather than from memory, because recalled inputs are the single largest cause of wrong results. The test of a good estimate is not that it feels right but that it changes what you do.
Step 2 — start from the case you can defend. Enter pessimistic-but-honest figures first; the optimistic run is a ceiling, not a plan. A conclusion that holds on conservative inputs holds everywhere. When in doubt, prefer the boring input: the interesting one is usually the one you misread.
Step 3 — isolate your variables. Change one field, observe, revert. The live sensitivity list does the ranking for the default inputs; verify it against your own, because dominance shifts when the starting point shifts. Compare the calculation to the rough guess you arrived with, and ask why they differ.
Step 4 — stress before you commit. A decision that survives a ten-percent squeeze on its two biggest inputs needs no luck to be sound. One that does not survive is a decision about hope, not about arithmetic. Note the assumption you are least sure about; that is where the real risk lives.
Step 5 — record the context, not just the number. Note today’s date and the inputs alongside the 245 output. Six months from now the context is what turns this figure into a trend. Say the answer out loud before you save it; if it sounds wrong, the model did not change, your understanding did.
Who actually uses Andy Coggan 7 Cycling Power Training Zones — and when
Most Cycling disagreements are arithmetic disagreements in disguise. When Zone 4 Lactate Threshold Corridor of 245 sits on the table with its working shown, the conversation stops being about who sounds more confident and starts being about which input is wrong. Precision is a promise you make about your data; make sure your inputs can keep it.
Used properly this is a five-minute filter that saves weeks. Compute Andy Coggan 7 Cycling Power Training Zones, reject what fails, and only then bring in the expensive analysis for the survivors. Re-running a number costs seconds; retracting a decision costs considerably more.
Nothing here is stored or transmitted, so the habit of checking is free: open the page, re-enter current figures, compare with the number you saved last time. A result worth acting on survives having its two shakiest inputs halved.
Quick answers: what searchers ask about Andy Coggan 7 Cycling Power Training Zones
What affects Andy Coggan 7 Cycling Power Training Zones the most?
Andy Coggan 7 Cycling Power Training Zones is driven above all by Functional Threshold Power. Perturbing only that field by ten percent either way produced 269 against the 245 baseline — a ≈10.2 % response.
What is a typical Andy Coggan 7 Cycling Power Training Zones?
With the example inputs on this page the result is 245, labelled “🟢 FTP Anchor: 91%–105% of 250W. The exact power band for functional threshold interval training.”. “Typical” varies with situation, which is why every result here ships with its verdict band and its sensitivity list: they turn one figure into a range you can locate yourself inside.
How do I calculate Andy Coggan 7 Cycling Power Training Zones by hand?
Three steps: write the formula (Z1 < 55% | Z2: 56-75% | Z3: 76-90% | SS: 88-94% | Z4: 91-105% | Z5: 106-120%), insert your values, and simplify. The worked example section shows exactly that chain for the default inputs; replicating it once on paper teaches you more about Andy Coggan 7 Cycling Power Training Zones than any number of calculator runs.
What happens to Andy Coggan 7 Cycling Power Training Zones if functional threshold power changes by 10 %?
The engine was re-run with that field moved by ten percent while everything else stayed fixed: the zone 4 Lactate Threshold Corridor goes across 220 to 269, a swing of roughly 10.2 % around the 245 baseline. That ratio is the practical definition of how much this input matters.
Is the Andy Coggan 7 Cycling Power Training Zones result of 245 good or bad?
The tool answers “what”, not “whether”: 245 carries the verdict “🟢 FTP Anchor: 91%–105% of 250W. The exact power band for functional threshold interval training.” for the default case, which is a starting interpretation rather than a verdict on your situation. Re-run with your own figures and compare the bands.
Can Andy Coggan 7 Cycling Power Training Zones be negative or empty?
Yes, and that is informative rather than broken: a negative Andy Coggan 7 Cycling Power Training Zones usually means the inputs encode an outflow or a shortfall, and the verdict band above labels exactly that situation instead of hiding it.
Is Andy Coggan 7 Cycling Power Training Zones individualized?
Partly — the tool is mechanical on the inputs you provide (Functional Threshold Power (Watts), the second input); what varies person-to-person is the response. Start at the computed 245, adjust by results within a few sessions.
What is Sweet Spot training?
Sweet Spot (88% to 94% of FTP) represents the point where the physiological adaptation curve is maximized relative to the biochemical fatigue produced. It allows high weekly training volume without burning out the central nervous system.
Is my data private on this page?
Yes — computation happens locally in your browser, with no account, no tracking of your inputs and nothing sent to a server. The printed formula is the whole story of what happens to your figures.
What the labels on this page mean
- Sweet Spot Range (88–94%)
- 220 – 235 Watts in the default Andy Coggan 7 Cycling Power Training Zones calculation — one of the secondary figures an experienced reader checks before trusting the primary number.
- Zone 2 Base Endurance Range
- 139 – 188 Watts for the Andy Coggan 7 Cycling Power Training Zones worked case; it sits next to the main result because it carries context the headline leaves out.
- Zone 5 VO2 Max Interval Range
- 264 – 300 Watts in the default Andy Coggan 7 Cycling Power Training Zones calculation — one of the secondary figures an experienced reader checks before trusting the primary number.
- Zone 4 Lactate Threshold Corridor
- The primary output of this tool: 245 for the default inputs, computed exactly from Z1 < 55% | Z2: 56-75% | Z3: 76-90% | SS: 88-94% | Z4: 91-105% | Z5: 106-120%.
- Worked example
- Every substitution in order, from the example inputs to 245 — the audit trail for the headline figure.
- Verdict band
- The plain-language label — here “🟢 FTP Anchor: 91%–105% of 250W. The exact power band for functional threshold interval training.” — mapping the computed figure onto experience-based ranges for Fitness & Sports.
- Sensitivity (±10 %)
- How far the Andy Coggan 7 Cycling Power Training Zones moves when a single input is nudged ten percent either way; the ranked list on this page is computed live from this engine.
Method, sources and what this tool cannot tell you
Everything above runs on one stated formula, applied without hidden coefficients: Z1 < 55% | Z2: 56-75% | Z3: 76-90% | SS: 88-94% | Z4: 91-105% | Z5: 106-120%. Source of record: Coggan A. "Level 1-7 Power Training Zones." Cycling Analytics; VeloPress 2010. Any other implementation of this model should return the same figure for the same inputs. If one does not, the difference is in its assumptions — which this page prints and that one probably does not.
This page is an estimation aid, not professional advice. The design rule is simple: two people entering identical figures must get identical answers. The promise to the reader is narrow and testable: same inputs, same output, no silent rounding, and no figure presented without the formula that produced it.
Next steps after the calculation
Save the number together with its inputs and today’s date; an Andy Coggan 7 Cycling Power Training Zones figure without context is unusable the moment an input changes.
This page was written for people who need one trustworthy number before their next decision, and the promise is that nothing above required trust. Bookmark the tool, re-run it whenever an input moves by more than a few percent, and keep the date with the number.