Longest videogame marathon on a Halo game

According to Official Guinness Records,

The longest video game marathon on a Halo game is 50 hours, 4 minutes and 17 seconds and was achieved by Paavo Niskala (Finland) in Helsinki, Finland, on 27 October 2015.The record was attempted to celebrate the launch of Halo 5.

For a complete list of 2015 records, please visit 2015 Guinness Records in Finland.

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