Longest videogame marathon playing SingStar
Who
Julian Hill
What
24/21/25 hour(s):minute(s):second(s)
Where
United Kingdom (London)
When
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.

The longest marathon playing SingStar (London Studio, 2004) was 24 hours 21 minutes 25 seconds by Julian Hill (UK), who sang in support of Great Ormond Street Hospital, London, UK, from 13–14 April 2012.