Fastest marathon in a full-body animal costume (female)

According to Official Guinness Records,

The fastest marathon in a full-body animal costume (female) is 4 hr 13 min 25 sec and was achieved by Fiona Betts (UK) at the Virgin Money London Marathon, in London, UK, on 22 April 2018.Fiona ran dressed as a dog. This was the eleventh year that Guinness World Records has partnered with the London Marathon.

For a complete list of 2018 records, please visit 2018 Guinness Records in United Kingdom.

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