The December issue of Outdoor Swimmer magazine goes on sale this week. It's a cracker of an issue packed full of epic challenges and everyday heroes to inspire your swimming adventures

Swim Secure are the largest selling open water dry bag and tow float supplier in the UK. Our products are used by swimmers to increase visibility in the open water. They are suitable for open water swimmers, triathletes, recreational swimmers, families and everyone in between. Our mission is simple, we want to equip swimmers of all ages and abilities to swim safely in open water. Whether that is someone brand new to open water swimming or a seasoned competitor, we can provide the equipment you need to feel supported in the water and #Be Safer Be Seen.

Outdoor Swimmer readers can claim an early bird discount off the cost of registration with code OUTDOORSWIMMER10​ – enter the code in the coupon box at the end of registration. The discount is available until 7 December 2018