Chris Myers
Gorge Waterfalls 50km
Chris' headline numbers
Chris' strategy
Fueling
Carbohydrate is the main fuel you burn when racing. Failing to fuel properly is a leading cause of underperformance in longer races.
Chris’ intake over this 50km race demonstrates his ability to tolerate high volumes of carbohydrate without experiencing any GI issues. Consuming over 90g/h helped Chris fuel his course record-breaking performance for this ‘training race’ and he even noted that he could’ve consumed more gels if he'd needed to later on in the race. As is common for many athletes, Chris doesn’t like to eat too much the morning of a race, but having some carbohydrates is important to top up glycogen levels (the body's carb stores). Although Chris consumed a bit of carb for breakfast, he could benefit from adding a PF 30 Chew in the last ~15-20 minutes to spike his blood glucose levels as the race starts, sparing stored glycogen for use later on during the race.
Hydration
Taking on board an appropriate amount of fluid and sodium is essential to maintaining blood volume and supporting the cardiovascular effort needed to perform on race day.
Whilst the absolute amount of sodium and fluid consumed per hour is important, it’s critical to consider these in relation to each other. This is known as 'relative sodium concentration' and it’s expressed in milligrams per litre (mg/L). How much sodium you’re taking in per litre of fluid is more important than the absolute amount taken in per hour.
Sweat sodium concentration (mg/L) is largely genetically determined and remains relatively stable. Knowing how salty your sweat is enables you to replace a good proportion of your sweat losses, which can range from 200-2,000mg/L.
Whilst Chris’s losses are on the moderate side, getting his hydration strategy right is still important if he wants to perform at his best.
Learn moreDespite high humidity levels, the temperatures were mild so overall fluid requirements were manageable for Chris throughout this race. Since he'd been collecting sweat rate data and even weighed himself pre- and post-race (detailing a ~2.8% change in body weight; sweat rate of ~1.2L/h), Chris was able to manage his fluid requirements appropriately and avoid too great a level of dehydration. The level of dehydration an athlete can tolerate is somewhat individualised, but the science suggests that a 2-4% change in body weight can negatively impact performance so it may be beneficial for Chris to consider increasing his fluid intake slightly. He also used some simple cooling strategies throughout to keep his body temperature in check. Since Chris started to feel as though his bottles weren’t providing enough hydration toward the end, he could try having some hydration-focused bottles incorporated throughout his intake (such as plain water with Electrolyte Capsules or PH 1000 (Tablets)) to replace his sweat losses without overloading his gut with carb-rich mixes.
Caffeine
Beyond the Three Levers of Performance (carb, sodium and fluid), caffeine is one of only a few substances that is proven to improve performance for most endurance athletes as it can help stave off mental and physical fatigue.
Chris doesn’t usually drink much caffeine day-to-day, and although he has a red bull now and then before some of his longer runs, he doesn't think he is very responsive to caffeine. We would encourage Chris to test using some caffeine, such as PF 30 Caffeine Gels in his strategy to see how he responds and if he feels its ergogenic effects including it positively affecting his rate of perceived exertion. However, we know that caffeine isn't for everyone.
How Chris hit his numbers
Here's everything that Chris ate and drank on the day...
Chris' weapons of choice
Final thoughts
Chris' full stats
Data Confidence?
There is good confidence in the accuracy of the data reported. An athlete feels that the numbers closely reflect what they consumed despite a couple of estimations which may carry some degree of error. The majority of what was consumed is recorded to a high level of specificity (most volumes are known through the use of bottles brands quantities flavours). The numbers are very plausible and align with previous data recordings (if an athlete has collected data previously).