Tri-athlon performance coaching with Mark Kleanthous

Mark has been encouraging everyone to take up triathlon and has been helping all ages and all abilities achieve their ambitions. He gets to know his clients individually and works closely with them so they enjoy the journey and have the best race-day performance possible.

As an advanced performance coach, Mark has helped individuals of all ages achieve their running, cycling and triathlon goals. By being a fulltime coach Mark gives you the attention you deserve.

Mark’s experience delivers for Triathlon and Ironman®

If you do not know where to begin or want to do something out of the ordinary and need expert advice on how to prepare, then Mark is your coach.

  • Event qualification

    Qualifying for the European or World triathlon championships

  • Coaching at all levels

    From first timers wishing to take part in their very first sprint triathlon to going faster in an Ironman®.

  • Podium places

    Mark’s clients have achieved hundreds of podium places in all distances and age categories (the oldest triathlete was 81) from sprint triathlon to the Ironman®

  • Beat the cut-off!

    Mark has helped more than 30 athletes successfully complete the swim, bike and run cut-off and become official finishers.

  • World championship level skills

    Mark has coached many triathletes who have qualified for either Kona or Nice or 70.3 Ironman® world championships.

  • Don't doubt yourself

    Mark was approached by the wife of a triathlete who had failed to complete Ironman Bolton three times. With Mark’s help he not only completed the ironman, but had almost 60 minutes to spare!

Outstanding reviews from our clients

Take your triathlon performance to the next level

Whether you’re training for your first sprint triathlon or chasing an Ironman PB, our sessions help you build confidence, speed, and efficiency in open water. Connect with our coach and find out about upcoming training opportunities — your next breakthrough starts here!




    Contact us

    If you have any further questions or require further information about our courses, please don’t hesitate to reach out. You can contact us directly at:

    07876 376776 

    mark@ironmate.co.uk