Longest marathon playing the tuba
Who
Rodney Kenny
What
24/8 day(s):hour(s):minute(s)
Where
United Kingdom (Gosport)
When
Age Restriction: Applications for this record title will only be accepted if the applicant is 16 years of age or over.

The longest tuba marathon by an individual lasted for 24 hr 8 min and was achieved by Rodney Kenny (UK), from 16–17 August 2002 at The Salvation Army, Gosport, Hampshire, UK.