Guest coach Keri-anne Payne looks at how head position has a huge impact on how much our body drags in the water and how do we swim in a straight line in the great outdoors? Click on the attached PDF to read Keri-anne's article.

This article features in the August issue and is one of many that appear in Outdoor Swimmer each month, together with all the latest events listings across the UK and abroad, training tips, in-depth gear reviews, wild swimming, nutrition advice and swim travel for all ages and abilities.