Longest marathon aerobics / exercise class

According to Official Guinness Records,

The longest marathon aerobics / exercise fitness class is 39 hr 59 min, and was achieved by the Electric Eleven (all USA) at Rock Your Body Fitness Studio in Fremont, New Hampshire, USA, on 30-31 December 2016.The Electric Eleven consisted of Sara Cloutier, Debra Jankowsky, Keri Sabalewski, Kristin Kilimonis, Alison Theberge, Audra Lewis, Erica Marino, Eva Melanson, Jean Clifford, Michele Mitchell, and Tammie Reed.

For a complete list of 2016 records, please visit 2016 Guinness Records in United States.

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