Welcome To The Altar™

The endurance nutrition brand designed to fuel your performance without compromise. Founded by ultra-endurance athlete Conor O'Keeffe, ALTAR was born from a need for something better: an endurance fuel that could support long hours of training without causing digestive discomfort. After years of testing and refining his own nutrition, Conor launched ALTAR to offer athletes a product that meets the unique demands of endurance sports. Our formulas are designed to sustain energy, aid recovery, and optimise performance. ALTAR isn't just about fueling your body - it's about enhancing every session so you can reach your full potential no matter what challenge lies ahead.


At ALTAR, we believe nutrition should elevate your experience, not weigh you down. Join us and discover how clean, effective endurance fuel can transform the way you perform.

You bring your best, let us bring the fuel.

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What Is Speed Dust™

Speed Dust™ is a powdered carbohydrate and electrolyte drink mix engineered to deliver athletes of all levels with the fuel they need to perform at their peak.

Now In 3 Flavours:
Raspberry Rush | Light and vibrant, with a clean, refreshing finish.
Lemon Soda | Crisp and zesty, with a bright citrus kick.
Plain Jane | Smooth, clean and effortlessly neutral.

How To Use:
Mix 3 scoops of Speed Dust with 500ml of water & shake well. Sip steadily in the hour before training. For sessions of 90+ minutes, take one serving per hour throughout to keep your tank full.

We've helped thousands of athletes say goodbye to gels. What are you waiting for? Join us at the Altar.

Made In Ireland

Approved with the Guaranteed Irish mark, Speed Dust is produced, package and posted here in Ireland.

Informed Sport

Every batch is tested for banned substances and approved for competition at the highest level.

Fast Shipping

We pride ourselves in ensuring orders are all dispatched quickly so you're never left without fuel.

What Is The "ALTAR" ?

The name ALTAR was inspired by a powerful moment in founder Conor O'Keeffe's training journey.

Deep in a grueling session, Conor realized that reaching his goals meant stepping up to an inner "altar" - a mental space where he could tap into the discipline, grit, and sacrifice needed to keep going. To him, "going to the altar" symbolized the commitment to endure, no matter how hard the journey got.

ALTAR is about that mindset. It's for anyone willing to make the sacrifices, push through the discomfort, and honor their goals with unshakable dedication.

Our products are designed to support athletes on this journey, providing the fuel needed to go the distance and elevate performance.

 Come To The ALTAR

We built Altar to fuel athletes to their dreams - That's never going to change. The mission starts with you, our people, and continues every single moment you show up and refuse to settle for less. We see you, day after day, week after week. Stepping up to the mark and reaching beyond known limits. Know that we are with you, every step of the way. You bring your best, let us bring the fuel.

Meet The Founder

Conor O’Keefe is no stranger to the extraordinary. As an ultra-endurance coach and runner, he built his career around pushing the limits of human performance. Among his most remarkable pursuits, Conor ran 32 marathons in 32 days carrying 32lbs on his back.

Through his own experience as an endurance athlete, Conor couldn't stop aking himself one question: why were gels the default fuelling solution when so few athletes actually liked using them?

That question sparked the creation of ALTAR Speed Dust™. What began with an early prototype mixed and tested in his own kitchen, evolved into a high-performance carbohydrate and electrolyte fuel, tested and trusted by athletes worldwide who refuse to settle for the ordinary...

Quick FAQ'S

  • Damaged or Faulty Goods

    We pride ourselves in ensuring that all orders arrive swiftly and safely. If your order arrives damaged, faulty or defective, please contact us as soon as possible with your order number and a photo of the issue for our records. From there, we’ll assess the issue and arrange a replacement swiftly and at no additional cost to you.

    30-Day Satisfaction Guarantee

    Not completely satisfied with your purchase? We offer a 30-day satisfaction guarantee. If you’re not happy with your Altar purchase within 30 days of receiving it, get in touch with our team and let us know what’s wrong. We’ll work with you to find a suitable solution, which may include a replacement or refund. Our satisfaction guarantee is intended to help find a fuelling solution that works for you.

    How to Contact Us

    To start a return, replacement or satisfaction claim, please contact us through our Contact Us page (or sales@altarfuel.com) with your order number and a brief description of the issue. We’ll respond as quickly as possible and guide you through the next steps.

  • We pride ourselves in ensuring that all orders arrive swiftly and safely. Standard nationwide shipping (Ireland) typically takes 2-3 business days*. Please allow for a 5-7 day delivery time on international orders.

    *Please note that postal delays can occasionally occur and are unfortunately outside of our control. If you’re unsure about the whereabouts of your order, please don’t hesitate to contact us and we’ll be happy to assist you.

  • Yes, we ship to most countries worldwide. International shipping times vary by location.

  • Mix 3 scoops of Speed Dust with 500ml of water and shake well. Sip steadily in the hour before training/racing. For sessions of 90+ minutes, take one serving per hour throughout.

    For a comprehensive guide to fuelling with Speed Dust please visit the FAQ's page.