Marathon, half marathon, 10-mile & 10k run calculatorUse this Marathon Run Calculator to calculate target race times for marathons, half-marathons, 10-mile, 10k and any other race distance. OK, so you have decided to run a marathon. Or maybe a half marathon. Or maybe a 10k race. The big question is - what should your target time be? Say you have just done a half marathon (13.11 miles) in 1 hour 21 minutes and 13 seconds. Are you are on-track for a 2 hour 55 minute marathon? Enter your training run distance and time, click on the big button and voila! the run calculator says 2 hours, 53 minutes and 35 seconds, so you're on track. Note that the Marathon Run Calculator doesn't just extrapolate speeds - it adjusts for fatigue in quite a complicated way, based on chunks of data gleaned from various running magazines. Also note that there is no allowance made for terrain.
Enter your best training run... (just write over the default data) |