you can use COUNTIF for the K value, counting the "position" in column E as you copy down
eg. replace K in your F18 formula with COUNTIF(E$18:E18,E18) and as you copy down it will incemement based on position count in column E.
Also, not sure but maybe replacing formula in F18 with this will do?
=IFERROR(INDEX(Time_in,SMALL(IF(Posistion=E18,IF(Time_in<0.666665,ROW(Time_in)-ROW($T$10)+1)),COUNTIF(E$18:E18,E18))),"")
CSE confirmed and copied down.
Then to get name in D18:
=IFERROR(INDEX(Name,SMALL(IF(Posistion=E18,IF(Time_in<0.666665,ROW(Time_in)-ROW($T$10)+1)),COUNTIF(E$18:E18,E18))),"")
CSE confirmed and copied down.
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