Fastest marathon in military desert uniform

According to Official Guinness Records,

The fastest marathon in military desert uniform is 3 hr 50 min 31 sec and was achieved by Jennifer Jenks (UK) at the Flora London Marathon 2009, in London, UK, on 26 April 2009.
Jennifer wore standard UK desert military dress including shorts, vest and hat that would be worn in desert combat zones such as Iraq. She wore running shoes rather than military boots.

For a complete list of 2009 records, please visit 2009 Guinness Records in United Kingdom.

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