Alison Milmer Takes on Dorset Deca: Conquering 10 Ironman Triathlons in an Epic Endurance Challenge

ENDURANCE athlete Alison Milmer from Swanage is ready to push her body and mind to the limit in the Dorset Deca starting next week.

Alison, 42, a sports therapist and clinical yoga teacher, is planning to complete the equivalent of 10 ironman triathlons.

She will begin with a lake swim of 24 miles at Mytchett in Surrey next Monday (July 17), continue with an 1,120-mile cycle ride and finish with 262 miles of running on a five-mile lap route, both in Purbeck.

“It’s expected to take roughly two weeks in total, with only a few hours of sleep each night,” said Alison, who has trained for eight months for the solo event.

The mum-of-two has pushed herself to tougher tests ever since she did her first triathlon in 2010.
She said: “My first Half-Ironman Triathlon, consisting of 1.2-mile swim, 56-mile cycle and a half- marathon, was in 2012 and from that point on I was hooked.

“In 2013 I had the honour of representing Great Britain at Hyde Park racing the Aquathon World Championships – a swim and run.

“The next challenge came in 2018 when I took part in the Brutal Ironman – this was a very cold lake swim of 2.4 miles at the bottom of Snowdonia, a cycle of 112 miles up Pen y Pass four times, finishing with a run up Snowdon and round the lake totalling 26.2miles. I then entered a Double Brutal in 2019 and after that I thought ‘well why not do a quin’!

“This would involve a 12-mile swim, 560-mile bike ride and 131-mile run, and while taking part in that the Dorset Deca idea was born.”

Alison would like to thank the following companies for supporting her in the Dorset Deca: Corbens Estate Agents, MKL Accounting, HK Law, Swanage Therapy Centre and Ibstock, and all the individuals who will help her throughout the event.

Alison is raising money for Dorset Mind and MASIC and anyone who would like to donate should visit and

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