https://www.perform180.co.uk/blog daily 0.75 2026-08-30 https://www.perform180.co.uk/blog/why-we-test-thresholds-from-blood-not-breath monthly 0.5 2026-09-20 https://images.squarespace-cdn.com/content/v1/6a1c3ca9eabdef362585cae7/10acda5f-03e0-4c28-9851-48d9c1cdfca0/Blood+Lactate+LT1+LT2+Chart.png Blog - Why We Test Thresholds From Blood, Not Breath - A blood lactate test takes a small blood sample, we use an earlobe or fingertip prick at the end of every stage of a graded step test, and reads the lactate concentration directly. Your thresholds are defined by where that curve changes shape: the first sustained rise above your resting baseline (LT1), and the point where lactate starts accumulating faster than your body can clear it (LT2). You're reading the metabolite itself. https://images.squarespace-cdn.com/content/v1/6a1c3ca9eabdef362585cae7/b7279f6a-2eb0-426c-970a-2627dfa0eedb/gas+chart++.png Blog - Why We Test Thresholds From Blood, Not Breath - A ventilatory threshold test works differently. As lactate rises, your body buffers it with bicarbonate, which produces extra carbon dioxide, which in turn drives changes in how fast and how deep you breathe. Gas analysis tracks your oxygen uptake and CO₂ output and looks for the points where your breathing pattern breaks away from a smooth, linear relationship with effort. Those breakpoints are your ventilatory thresholds. https://images.squarespace-cdn.com/content/v1/6a1c3ca9eabdef362585cae7/80ca4536-453c-45fd-bcce-6a1eb24bd45f/CLINIC+VIEW.jpg Blog - Why We Test Thresholds From Blood, Not Breath - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.perform180.co.uk/blog/blood-lactate-vo-max-or-both-how-to-pick-the-right-test monthly 0.5 2026-09-06 https://images.squarespace-cdn.com/content/v1/6a1c3ca9eabdef362585cae7/e9b8bf2a-402a-40cc-822b-407130cc9c78/VO2+MAX+VO2+MASTER.jpg Blog - Blood Lactate, VO₂ Max, or Both? How to Pick the Right Test - We run three testing options at the clinic: a blood lactate threshold test, a VO₂ max test, and a combined session that does both in one visit. Clients ask us most days which one they actually need. Here's the honest breakdown. Before you book anything, it helps to separate two different questions your training raises. One is: what intensity should I actually be training at? The other is: how big is my aerobic engine, and how efficiently am I using it? The lactate test answers the first. The VO₂ max test answers the second. The combined session answers both and gives you a third number neither test can produce alone. https://images.squarespace-cdn.com/content/v1/6a1c3ca9eabdef362585cae7/5d01f3ec-494a-457e-b7b1-5b084b107366/Blood+Lactate+test+on+runner+.png Blog - Blood Lactate, VO₂ Max, or Both? How to Pick the Right Test Running both tests in one session doesn't just save you a second visit; it produces a number neither test can give you on its own: your fractional utilisation, the percentage of your VO₂ max you can actually sustain at threshold. Fractional utilisation is one of the strongest single predictors of endurance performance we have. It's the reason two athletes with an identical VO₂ max can have completely different race outcomes. One can hold 88% of their ceiling for an hour, the other can only hold 75%. You can't see that number without measuring thresholds and ceiling together, in the same session, under the same conditions. The combined session gives you your full profile in one sitting: ceiling, thresholds, economy, and fractional utilisation. It's the option most of our seriously competitive clients choose, and it's also the best starting point if you want a complete baseline to track across a season rather than a single answer to a single question. This is your test if: you're training toward a specific goal and want the complete picture, not one slice of it. https://images.squarespace-cdn.com/content/v1/6a1c3ca9eabdef362585cae7/b4cf7a14-c80b-420d-aff8-ff8959b5fb1a/CLINIC+VIEW.jpg Blog - Blood Lactate, VO₂ Max, or Both? How to Pick the Right Test - Still Not Sure? If you're weighing up whether testing is worth it at all before you even get to which test, get in touch and we'll talk it through against your actual training and goals — no pressure to book the BOOK YOUR TEST https://www.perform180.co.uk/blog/sports-performance-testing-near-manchester-why-athletes-travel-to-perform180-in-knutsford monthly 0.5 2026-08-20 https://www.perform180.co.uk/blog/why-hyrox-athletes-should-get-their-vo-max-and-blood-lactate-tested monthly 0.5 2026-08-19 https://images.squarespace-cdn.com/content/v1/6a1c3ca9eabdef362585cae7/1781900559988-BB9TVLTHNPJNA4ED7O5U/Hyrox.webp Blog - Why HYROX Athletes Should Get Their VO₂ Max and Blood Lactate Tested - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://www.perform180.co.uk/blog/how-many-times-a-week-should-you-run-for-hyrox monthly 0.5 2026-08-19 https://www.perform180.co.uk/blog/how-we-build-accurate-training-zones monthly 0.5 2026-08-02 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