Registration/renewal for 2024 will close on 30th June – membership year is Jan to Dec



Sebastien Locteau

Q1.When did you start running and what got you interested in it?

I started running to complement my swimming training and was my second sports so started running at around 7. Then always ran the local 5&10k races until I started triathlon when I was 16 and evolve from there.

Q2. How many marathons have you run?

26 but not officially with 14 Ironman, 1 double and 1 ultra which I walk most of the way for 11h in Millau.

Q3. What’s your favourite event?


Q4. How many miles do you run in a typical week?


Q5.  What’s your best ever running performance?

Sub 3h15 on a Ironman triathlon for the marathon leg.

Q6. What running shoes do you wear and do you wear racing flats?

asics racer

Q7. What was your worst marathon experience?

Getting lost after finishing my first marathon in Nantes (france. I ran 4h and could not find my car in a giant car park, was cold and nearly cried…. I was in my short and singlet for hours trying to find it.

Q8. How fast could you run a mile on a track?

Never done it…. well in 2007 after my back surgery I walk/run 11min

Q9. What’s your marathon PB?


Q10. What’s the best piece of training advice you were ever given?

If you don’t know why you are running for, keep running until you find it

Q11. Have you ever had a serious running injury?

Yes, I fell running croagh Patrick in 2011 and damage my knee, also had a proper stress fracture a few years ago…. but always been my fault.

Q12. What training session do you find the hardest/dislike the most and what’s your favourite session?

I am not a big fan of short intervals (under 400m) but I really like plyometric work and core conditioning workouts. I love going off road in the mountains or forest for easy run over 1h30.

Q13. What is the longest race you have completed?

Interesting, the Ironman maybe outdoor, maybe 24h swim indoor, or adventure race over a few days.

Q14.  Do you have a Favourite quote running or otherwise?

I suppose the one I use for coaching “pain is a reward of good work” obviously good training pain not injuries.

Q15. Weirdest food you’ve ever eaten during a marathon?

I just would not, so never happened…..yet.

Q16.  Strangest thing you’ve ever seen during a marathon?

In Belfast a good few years ago, I was doing an Ironman in 3 days finishing with the Belfast marathon, during the race a car hit me and I broke the light. The guy was in rage the army came with their guns and told the guy to get lost when he started to come after me.

Q17. What usually goes through your head as you cross the finish line of a marathon?

I could have run longer.

Q18. Do you get narky if you don’t get a run in?


Q19. Have you ever considered how you’d handle it if you couldn’t run again?

Oh yes, many many times… but can’t tell

Q20.  What event have you not yet completed that you would like to do the most in the future?

24h run

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  • Welcome to the Marathon Club Ireland / 100 Marathon Club Ireland website.

    Marathon Club Ireland was formed to encourage all aspects of marathon running in Ireland, from participation to organisation. Formed in November 2010 the club is a non-profit body run by a committee of elected volunteers.


    Club membership is open to those who have completed one or more marathons and achievement awards can be purchased to mark the completion of 25 , 50, 75 & 100 marathons.


    Achievement medals/awards for 20, 50 or 75 marathons can be purchased by members, following verification of their marathon list, for presentation by a selected member at a convenient race.


    The prestigious 100 Marathon Medal is usually awarded free by the club, on condition that the recipient is a paid club member for the relevant year and at least one year immediately prior to the year in which they receive the award.

    Members wishing to receive any achievement awards should submit their list of completed marathons, on an excel spreadsheet (sample provided below) to marathonlists@yahoo.ie for verification, allowing at least 2 weeks for processing. Once the list has been verified medals can be paid for in person or via our online shop

    Marathon lists for should give full details of each marathon completed (official event name, location, date, race number and finish time and links to results website where possible)

    Download a sample marathon list spreadsheet  here

  • Benefits of joining:

    Sharing marathon experiences throughout Ireland and abroad.
    Sharing knowledge and tips on events, training and travel.

    Authorised to wear official ‘Marathon Club Ireland’ gear, (or ‘100 Marathon Club Ireland’ gear if you have completed 100 or club validated marathons)

    Reductions on entry fee to Marathon Club Ireland events.

    Discounts for entry to Marathon Club Ireland events  throughout the year.