Testing Basics
June 14, 2026

How Often Should Runners Get a Blood Test?

Once a year? Every season? Here is a simple guide to how often runners should test their blood, based on your training load and goals.

Why Timing Your Tests Matters

A single blood test is a snapshot. The real value comes from seeing how your markers move over time, because trends tell you whether your training and nutrition are working. The question is how often to test without overdoing it. The answer depends on your training load and your goals.

The Baseline: At Least Once a Year

Every runner benefits from at least one full panel a year. It gives you a reference point for energy, recovery, and general health, and it can flag a slow drift in something like iron long before you feel it. Think of it as an annual service for your engine.

In Heavy Training: Every Three to Four Months

If you are building toward a marathon, ultra, or a big mileage block, testing every three to four months is sensible. Markers like iron, ferritin, and inflammation can shift quickly under load, and catching a downward trend early is far easier than recovering from a deep deficit.

Around Key Races: Test Before You Peak

A check six to eight weeks before a goal race leaves time to act on anything you find. Testing the week of the race is too late to make a difference, so build it into the start of your final training block instead.

When Something Feels Off

Persistent fatigue, stalled progress, frequent illness, or slow recovery are all good reasons to test sooner rather than waiting for your next scheduled check. The data turns a vague feeling into something you can act on.

Build a Picture Over Time

The runners who get the most from blood testing treat it as a habit, not a one-off. Each test adds to your history, and over a year or two you build a personal map of what your healthy, race-ready numbers look like. SuperRun stores your results in one dashboard so your trends are easy to follow.

This article is general information for runners and is not medical advice, a diagnosis, or a treatment plan. Always discuss your results and any health concerns with your GP or a qualified health professional.

Train smarter. Run stronger.

SuperRun is blood testing built for runners. The RunBase panel tracks 40+ essential biomarkers that drive energy, recovery and endurance, scored against athlete performance zones. No GP referral needed, with 4,000+ collection centres across Australia.

See the RunBase panel, $299

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