Fastest half marathon carrying a 40 lb pack

According to Official Guinness Records,

The fastest half marathon carrying a 40 lb pack was 1 hr 36 min 56 sec by Lee Riley (UK) at the Shakespeare Raceway Half Marathon in Stratford-Upon-Avon, UK, on 5 March 2011.
Riley would go on to break the full marathon record wearing a 40 lb pack at the Virgin London Marathon just a month later.

For a complete list of 2011 records, please visit 2011 Guinness Records in United Kingdom.

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