<p>We can divide this in 2:</p><ul><li>00:00 to 39:59<ul><li>2.399 minutes</li><li>Each 2:</p><ul><li><u><strong>00:00 to 40:00</strong></u><ul><li>2.400 minutes</li><li>Each minute of stamina takes 3 minutes IRL</li><li>2.399*3 = 7.197 minutes = 119h57</li></ul></li><li>40:00 to 42:00<ul><li>121 minutes</li><li>Each minute of stamina takes 10 minutes IRL</li><li>121*10 = 1210 minutes = 20h10</li></ul></li></ul><div>So, IRL</li><li>2.400*3 = 7.200 minutes = 120h00</li></ul></li><li><u><strong>40:00 to 42:00</strong></u><ul><li>120 minutes</li><li>Each minute of stamina takes 10 minutes IRL</li><li>120*10 = 1200 minutes = 20h</li></ul></li><li><u><strong>10 minutes to start regenerating stamina</strong></u></li></ul><p>So, the total is 119h57 120h00 + 20h00 + 20h10 = <u><strong>140h07</strong></u></div>10 = <u><strong>140h10</strong></u></p>