Question : How do I graph elapsed times

I want to setup a spreadsheet that lists elapsed times (think swim meet or track meet) over several points in time.  For example:
Event Name         Meet1         Meet2
100 Freestyle      1:02.34        59.87         (mm.ss.00)

For the life of me, I can't figure out how to format the cells correctly.  I've tried [mm].ss.00, that works, but only if the time is over 60 seconds.  I've tried mm.[ss].00, but that only works if time is under 60 seconds.  What is the proper way to setup cells for elapsed times?        

Answer : How do I graph elapsed times

I found another question that deals with this.  I think the answer is in there.