MOST FUELLING ISSUES ARE HYDRATION ISSUES.
When we sweat, we lose both fluid and sodium.
If both aren't replaced properly, things start to fall apart:
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energy drops
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gut issues kick in
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heart rate drifts up
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performance declines
MOST ATHLETES DON'T KNOW OR REALISE HOW MUCH THEY ACTUALLY LOSE.
​The amount of sodium in each person's sweat is quite individual, and can range from about 200-2000mg/L. When sodium replacement isn't matched with your individual sodium loss, dehydration takes hold. In extreme cases, not replacing enough sodium can lead to hyponatraemia, which is extremely dangerous. ​
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A NUMBER ALONE IS NOT A STRATEGY.
​A sweat test gives you your sodium concentration, but your actual needs depend on:
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how much you sweat (sweat rate)
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how hard you’re working
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the conditions you’re in
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how long you’re exercising
Two athletes with the same sweat sodium can need very different hydration strategies. That’s why the goal isn’t just testing - It’s building a plan you can actually use.​​
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SWEAT TESTING TAKES LESS THAN AN HOUR AND THE RESULTS ARE INSTANT.
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Sweat is collected from multiple sites during 30-60 minutes of exercise to determine your sodium losses, and this is combined with sweat rate to build your hydration plan.
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You’ll leave knowing:
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how much to drink
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how much sodium to take in
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how to adjust for different sessions and races
"DIALLING YOUR HYDRATION IS ONE OF THE BIGGEST PERFORMANCE LEVERS YOU CAN PULL. TRAINING AND RACING IN A HYDRATED STATE ALLOWS YOU TO PERFORM FOR LONGER AND KEEPS FUELLING ON TRACK."
Nausea and vomiting during racing
GI issues/diarrhoea during long runs or races
Inability to fuel consistently
Can't tolerate gels or high-carb fuels
Early fatigue onset that doesn't improve with fuelling
SIGNS YOUR NUTRITION ISN'T DIALLED
RHSN SWEAT TESTING LOCATIONS
(by appointment only)
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NRG Alexandra (contact directly for available times and to make a booking)
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Otago Central Rail Trail Park Run - Alexandra​
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Alexandra Airport Carousel Backyard Ultra
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Best Dam Backyard Ultra - Otematata
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Krayzie Midwinter Backyard Ultra - Christchurch
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Scenic Circles Backyard Ultra - Timaru
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Brighton's Backyard Ultra - Dunedin
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Arrowtown Backyard Ultra - Arrowtown​​