Highlights in this month’s issue include:

Conquer Ironman – take on 226km with Hawaii hope Tim Don

The science of speed – which kit really makes you faster? 

Elite Q&A with Swiss rocket Daniela Ryf

Four training apps on test

Train with Chrissie – we look at techniques for measuring training improvements

Wetsuit buying guide – all you ever needed to know about neoprene

Tri aerobars grouptest

PLUS win one of four 2XU compression kit bundles worth £230 each

Find 220 Triathlon on sale at newsagents across the UK, and the digital edition can be picked up via the iTunes store, Google Play and Zinio.

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Have you got your copy let? Let us know in the comments below!

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