The Gold Coast Marathon is one of the flattest and fastest courses in Australia, which is exactly why so many runners blow up on it. A flat course invites you to hold goal pace from the gun, and holding goal pace from the gun burns glycogen faster than a rolling course would. The finish line rewards a fuel plan, not enthusiasm.
It is also a coastal winter race. Mornings are usually cool, humidity is often high, and the second half sits in rising sun with very little shade. That combination raises sweat losses more than the air temperature suggests, so sodium matters more here than most runners plan for.
What the race demands
Course
Flat, fast, coastal out-and-back
Season
Winter, cool start with rising sun late
Main risk
Even pacing masks a growing carb deficit
Second risk
Coastal humidity lifting sweat sodium losses
Carbohydrate and sodium targets
- Sub-3:00: 60 to 90g of carbohydrate per hour from a dual-carb source
- 3:00 to 4:00: 45 to 75g of carbohydrate per hour
- 4:00 to 5:00: 30 to 60g of carbohydrate per hour
- Sodium: 300 to 800mg per hour depending on your measured sweat rate
HYDRAX CORE delivers 85g of dual-carb fuel and 980mg of sodium per serve, so hitting the numbers above is arithmetic rather than guesswork. HYDRAX PRIMER covers the pre-race window with 29g of carbohydrate and 1,313mg of sodium. Run the free fuelling strategy tool to convert these ranges into your own per-hour numbers.
Rehearse the plan in training, then race it. Order now, ships Australia-wide.
Race week and race day timeline
2 to 3 days out
Lift carbohydrate intake toward 8 to 10g per kg of body weight per day. Drop fibre volume so race morning is settled.
Race morning, 3 hours out
Familiar carbohydrate breakfast, 1 to 2g per kg. Nothing you have not eaten before a long run.
25 to 40 minutes out
One serve of PRIMER: 29g of dual-carb fuel and 1,313mg of sodium before you sweat a drop.
From 30 minutes in
Start fuelling with CORE. Regular small intakes beat one large dose at the point you feel low.
From 30km
Hold the plan. This is where an under-fuelled first half becomes a slower second half.
Frequently asked questions
How should I fuel the Gold Coast Marathon?
Carb load in the 48 hours before, eat a familiar carbohydrate breakfast around 3 hours out, take a pre-race serve 25 to 40 minutes before the start, then fuel from the 30-minute mark at 45 to 90g of carbohydrate per hour depending on your finish time. Pair that with 300 to 800mg of sodium per hour.
Is the Gold Coast Marathon hot?
It is a winter race, so the start is usually cool. The bigger issue is coastal humidity and an exposed second half in rising sun, which raises sweat losses beyond what the temperature reading suggests. Plan sodium as if conditions are warmer than they feel at the start line.
How much sodium do I need on a flat, humid course?
Most runners land between 300 and 800mg of sodium per hour. Measure your own sweat rate rather than guessing. HYDRAX CORE delivers 980mg of sodium per serve, so moderate intake covers most athletes.
Should I use gels or a drink mix on the Gold Coast course?
A dilute drink mix generally sits better in the gut than a chain of gels and delivers sodium alongside carbohydrate. Many runners use a drink mix as the base and add a gel only where a course profile or aid station spacing makes it easier.
Keep reading
- Marathon fuelling strategy
- Carbs per hour for a marathon
- Running pace calculator
- Measure your sweat rate
Disclaimer: This page is general information for healthy adult athletes and is not medical, dietetic or coaching advice. Individual carbohydrate, fluid and sodium requirements vary with body weight, sweat rate, conditions and health status. Speak with your doctor, sports physician or an accredited sports dietitian before changing your nutrition or supplement routine, rehearse any fuelling plan in training before race day, and always follow the directions and warnings on the product label.