Nutri-Grain Iron Series Ironman, Joe Collins, shares his favourite swim set that benefits him the most in surf swimming.

This set helps to build your speed endurance which you need when ocean swimming.

40 x 50m equalling

• 16 x 50m every 4th 50m hard
• 12 x 50m every 3rd 50m hard
• 8 x 50m every 2nd 50m hard
• 4 x 50m all hard

Brought to you by Starlight Super Swim & Speedo.

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