This solution will work up to 24 Hours. If you need to
display times long than that, you will have to do some math.
You MUST use the capital H in the TimeFormat() function, of
it will try to convert it to a 12-hour clock and you will get weird
results.
<cfset second = 60 />
<cfset myTime = CreateTimeSpan(0, 0, 0, second)>
<cfoutput>
#Timeformat(myTime, 'H:mm:ss')#
</cfoutput>