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Informed Sport tested

Race booked. Fuelling sorted.Best valueSave 15%

Race Ready System

4.8 · 240 gel reviews

For your hot 70.3 or Ironman: 40 Energy Gels, 40 Electrolytes, 8 CoreCtrl.

Informed Sport certified

Alistair BrownleeBen MillarMalachi CashmoreJoanna Tallmann

Tested with 50+ elite athletes, then raced at the Castle Race Series.

1 · Elektrolyte (Geschmack): Minze
2 · Energiegele (Salzgehalt): Hoher Salzgehalt – 1 g

£169.95£199.80 bought separately

60-day guarantee, opened or not. See Delivery and returns

Made in the UKInformed Sport certified

40 gels · 40 electrolytes · 8 CoreCtrl

4.8 240 gel reviews
“Love them, the taste is great and are very easy on my stomach. …… very easy on my stomach …”
Bryan D. · Energy Gels · review via Judge.me
“Great taste! Really easy to digest. No stomach issues after… easy to digest. No stomach issues …”
Oli L. · Energy Gels · review via Judge.me
“The mint has a great flavour, nice and subtle. Easy to drink… great flavour, nice and subtle …”
Luke T. · Electrolytes · review via Judge.me
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Batch tested

Our philosophy

Own your physiology. We develop what it takes for you to do just that.

Same philosophy, every product: based on the latest science, test it in the real world, stripped of anything that isn’t needed to perform again tomorrow.

Used by elite athletes around the world.

How to use

One box, one timeline.

Seven days outCoreCtrl, one a day, last on race morning (hot races)
Race weekElectrolytes daily, one per bottle
Race morning1 Electrolytes sachet in 500ml
DuringGels by the table on the box: 80 to 120g carbs an hour
After1 Electrolytes sachet

For a plan built on your race, your sweat and the weather, use Your plan on this page. For a personal recommendation, email support@truefuels.com.

What it does

Energy Gels: carbohydrate for the long sessions and the race itself.

Electrolytes: 390mg sodium per sachet, through the build-up and the start line.

CoreCtrl: one eight-day protocol, ending on race morning.

Delivery and returns

Delivery to the UK: 1 to 3 working days, free over £40, otherwise the fee shows at checkout.

The 60-day guarantee covers opened products. If it isn’t right, email support@truefuels.com within 60 days of purchase for a full refund.

You can cancel an order within 14 days, then return unopened products in their original condition within a further 14 days. We refund in full within 14 days of receiving them. Return postage is yours unless the item is faulty.

Faulty or damaged? Email support@truefuels.com with your order number and a photo. Full details in our returns and refunds policy.

Race Ready System · from £169.95

01 / The problem

Race Ready System · one box
  1. Hour four. Hot. Which bottle had the salt in it?

  2. Race week is full of decisions. Fuelling shouldn’t be one of them.

  3. The plan is made. The box is packed.

    The timing is on the lid.

“… easy to digest and stop me from needing to carry salt tabs as well”
Mike P., review via Judge.me

02 / In the box

Everything the day asks for.

  • 40gels

    Energy Gels

    Carbohydrate for the long sessions and the race itself.

  • 40sachets

    Electrolytes

    390mg sodium per sachet, through the build-up and the start line.

  • 8sachets

    CoreCtrl

    One eight-day protocol, ending on race morning.

  • 1box

    One box

    The whole system, nothing left to assemble.

03 / The timeline

One box, one timeline.

  1. Seven days out CoreCtrlCoreCtrl, one a day, last on race morning (hot races)
  2. Race week ElectrolytesElectrolytes daily, one per bottle
  3. Race morning Electrolytes1 Electrolytes sachet in 500ml
  4. During Energy Gels1 Low + 1 High an hour: 80g carbs, 484mg sodium. Up to 1 Low + 2 High: 120g, 870mg
  5. After Electrolytes1 Electrolytes sachet

04 / Proof

“Easy on the stomach.”

4.8

240 gel reviews

96%
rated the gels 4 or 5 stars

Gel reviews: 228 of 238 rated 4 or 5 stars · Developed with Alistair Brownlee

Reviews · Race Ready System

4.8 ★ · 240 gel reviews

    Alistair Brownlee
    Alistair Brownlee

    Alistair’s perspective

    “… simple plans survive pressure.”
    1. Gels
    2. Electrolytes
    3. CoreCtrl

    Alistair Brownlee · Two-time Olympic triathlon champion · Co-founder

    05 / Top up the system

    Works best as a system.

    The Fourth Discipline™

    The system is ours. The destination is yours.

    06 / Formula

    What's inside. Nothing it doesn't need.

    Read the full science

    These products don’t stop evolving once they ship. We keep testing and refining them with sports scientists and our own athletes.

    See our process

    carbohydrate Glucose and fructose, 1:1. Low Salt 98mg or High Salt 386mg sodium per gel.

    sodium 390mg sodium per sachet, from Himalayan salt.

    L-Taurine The core of the protocol

    Per gel, per sachet.

    07 / Your plan

    Get your personalised fuelling plan.

    Your Details
    Weight kg
    Bottle size ml
    GI Tolerance
    Sweat Saltiness
    Training Volume
    Hours per week h/week
    Select Your Race
    Sweat Rate L/h
    Sweat Sodium mmol/L

    If you have tested your sweat rate or sodium concentration, entering these will sharpen the fluid and electrolyte recommendations. Leave blank to use the algorithm's estimates.

    Algorithm informed by published research on exercise fluid replacement, sweat rate, sweat sodium concentration and carbohydrate use during endurance exercise, including Sawka et al. (2007), Jeukendrup (2011) and Baker (2017). Constants: 40 g carbohydrate per gel, 1 g salt per high-salt gel, 0.25 g salt per low-salt gel and 1 g salt per electrolyte serving. Scientific estimate only. Individual variation exists. Validate all recommendations in training before race day.

    08 / Athletes

    Trusted from the podium to the parkrun.

    Tap a face to read their story.

    • Alistair Brownlee Alistair Brownlee

      “In a long race, the fewer decisions you have to make under pressure, the better.”

      Alistair Brownlee · Co-founder

    • Ben Millar Ben Millar

      “For me, it’s pretty simple: the gels taste great, they’re easy to consume, and I’ve had zero stomach issues with them. 40g of carbs never felt so easy.”

      Ben Millar · Reflex-Nopinz

    • Malachi Cashmore Malachi Cashmore

      “A gel I can actually get down means I’m still fuelling when it matters most.”

      Malachi Cashmore · Professional triathlete

    • Joanna Tallmann Joanna Tallmann

      “What I like about truefuels is the understated flavour. It’s not a taste you get tired of quickly.”

      Joanna Tallmann · Ultrarunner

    09 / Questions

    Questions? Answered.

    Visit the help centre
    My race isn’t hot. Do I need CoreCtrl?

    No. Without heat, Energy Gels and Electrolytes on their own cover it.

    Which gel salt do I pick?

    Low Salt for normal sweat. Salt marks on your clothes or extreme heat? Replace Low Salt with High Salt. Mix the two to set your hour. Mix Box if unsure.

    Is it sweet?

    Gels are mild; Electrolytes are zero sugar.

    How much of the box does one race use?

    One box covers about one to two months before race day: the gels and Electrolytes for the build and the race, CoreCtrl for the seven days before and race morning.

    Price?

    £169.95, 15% under buying the items separately.

    Will it arrive in time?

    Delivery to the UK: 1 to 3 working days, free over £40, otherwise the fee shows at checkout. Order at least two weeks before race day so CoreCtrl can start seven days out.

    What is the 8-day protocol?

    A structured routine to be used in the 8 days leading up to hot weather events. Take one serving daily, with the final dose on race morning.

    For athletes under 60 kg: Use a 2-day-on, 1-day-off pattern. This extends the total protocol to 11 days, with the final dose still on race morning. Full details are provided with the product.

    Can I take Electrolytes and gels together?

    Yes. Every gel already carries salt: 98mg sodium in Low Salt, 386mg in High Salt. On long, hot or heavy-sweat days, a sachet of Electrolytes in your bottle adds 390mg more.

    How do I mix Electrolytes?

    One sachet in 500ml of cold water, before and during training, and a second serve on hot or long days. The gels already carry salt.

    Is it tested for banned substances?

    Yes. Every batch is Informed Sport certified before it ships.

    What if it isn’t right for me?

    You have 60 days to decide. If it isn’t right, email support@truefuels.com for a full refund.

    I’m switching from Maurten, SiS or Precision. How do I start?

    Swap like for like on 40g, then use your long sessions to test before race day.

    How do I open it on the bike?

    Tear from the notch, one-handed.

    truefuels® · The Fourth Discipline™

    “… Finished 4th in V40 female category and 30th overall and had no tummy issues.”

    Emma J., Energy Gels, review via Judge.me

    Count back seven days from your race and start there.

    Shop the Race Ready System