If you prefer the new NNM Pace Calculator JS.
NNM PACE CALCULATOR 4.2
© Anders Gustafson (www.nemonisimors.com)
Distance
Split distance in
Time (hh:mm:ss) : :
Pace :
RESULTS
Distance Time Pace
0:00 / 400m
0:00 / 500m
0:00 / km
0:00 / mile
0:00 / nmi
299792458.00 m / s
1079252848.80 km / h
670616629.38 mph
582749918.36 knots
874030.49 Mach
1.00 c