2019-02-16 00:00:00.000000
[timezone_type] => 3
[timezone] => Europe/Rome
)
current: DateTime Object
(
[date] => 2019-02-16 01:27:25.393456
[timezone_type] => 3
[timezone] => UTC
)
diff: DateInterval Object
(
[y] => 0
[m] => 0
[d] => 0
[h] => 2
[i] => 27
[s] => 25
[f] => 0.393418
[weekday] => 0
[weekday_behavior] => 0
[first_last_day_of] => 0
[invert] => 0
[days] => 0
[special_type] => 0
[special_amount] => 0
[have_weekday_relative] => 0
[have_special_relative] => 0
)
–>
Athlete A perform min1, then Athlete B perform min2, etc.