Mumbles Duathlon 22 March 2025
Event Info

Mumbles Duathlon Information

Mumbles Duathlon

Date: 22 March 2025

Location: Mumbles, Swansea

Medal Events: Sprint Distance

Competitors: 600

Format: The Mumbles Duathlon is set in the stunning location of Mumbles, Swansea. With a flat and scenic run routes and a bike course that takes you into the beautiful Gower Peninsular, it is an event that should be firmly in your calendar to kick start you multisport season. Athletes with a registered disability will need to contact the race office to discuss whether the race is suitable and safe to enter.

Event Itinerary

To work out where you need to be and when, simply check out our itinerary of events below.

  • Friday 21st March 2025

    • 4:00pm - 7:00pm
      Registration Open
      Mumbles Yacht Club
    • 5.30pm
      Beginners Briefing - for first time athletes if they have any questions
      Transition

  • Saturday 22nd March 2025

    • 6.30am - 7.20am
      Registration Open
      Mumbles Yacht Club
    • 6.30am - 7.30am
      Transition Open
      Knabb Rock Car Park, Mumbles
    • 7.50am
      Mandatory Race Briefing
      Transition
    • 8am
      Event Start
    • 10.30am
      Cut off for bikes into transition
      Transition
    • 11am
      Overall Cut off
FAQs
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News Guides & Features AWE Content
News
Marchant breaks 12 year record at GCS Mumbles Duathlon 2023!

Read the Mumbles Duathlon Race Report

News
GCS Renew Exciting Title Partnership of Mumbles Duathlon

The team at AWE, Wales’ leading multisport event company, are pleased to announce the exciting partnership renewal of the Mumbles Duathlon 2

All News
Training the Swimming Energy systems
Training
Training the Swimming Energy systems

As triathletes were all familiar with the 5 training zones but in swimming, we like to make things more scientific and slightly more technical. This month I will be explaining the Swimming Energy systems with an easy-to-follow guide to help you put together your own swim session plan.

Out of interest which Activity Wales races are you doing??
Training
Out of interest which Activity Wales races are you doing??

Top Tip - Start with a sprint tri early in the season. Swansea is a good one to get your confidence up as the swim is in SA1 Dock which is a great environment as you don’t have to battle the seas tide and currents.

‘Plan some regular swim sets’
Training
‘Plan some regular swim sets’

It’s important to keep your threshold swimming going over during the ‘off’ season. Below you find two swim sessions which will help you going into the winter months. Try these twice a week and record your times. You can adjust the rest times and distances according to your ability. Feel free to reach out to the coaches at Heathwood swimming in Cardiff for extra help or any questions you may have regarding swim sets or drills.

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