Longest marathon playing tennis, doubles

According to Official Guinness Records,

The longest marathon playing tennis doubles is 59 hr 21 min 42 sec, achieved by Johan Radcliffe, Gysbert Pienaar, Dean Ollis (all South Africa) and Stefano Lindsay (Switzerland) in Kommetjie, Cape Town, South Africa, from 31 March to 2 April 2017.The record attempt took place at Kommetjie Primary School, Cape Town, South Africa.

For a complete list of 2017 records, please visit 2017 Guinness Records in South Africa.

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