There are different styles of freestyle and frontcrawl. Mark favours a more open water and triathlon swim stroke, whereas Heather favours a pool stroke. Which is more efficient and which stroke should you be using in your next triathlon?

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So what is the difference between Mark and Heather's front crawl strokes? The over the water recovery phase has the most notable contrast. In the pool stroke, the elbow typically exits the water before the hand, and then it's fingers first as the hand enters the water. An open water stroke tends to be quicker, has a straighter arm recovery and is similar to a windmill action.

Which stroke do you use?

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