Would a sub 20min 4mile race suggest a sub 70mins half marathon? Plenty of mileage done, so im guessing its fairly do able as its 20seconds a mile slower albeit for over nine extra miles. Assuming both courses are of similiar difficulty.
Would a sub 20min 4mile race suggest a sub 70mins half marathon? Plenty of mileage done, so im guessing its fairly do able as its 20seconds a mile slower albeit for over nine extra miles. Assuming both courses are of similiar difficulty.
its possible but a lot of guys who are around 20minute 4mile guys would struggle...
maybe, maybe not. A 10 mile tempo or even 10k race would yield much more information.
Too much of a distance gap to say for sure
if you struggle to run 20.00 for the four miles then not a hope! 73minutes at best for the half i'd say.
In response to the person who said 73, I think that's way off. I ran 20:48 in a 4M race about 2 weeks before running 73 flat.
I would say a 20:00 4M is about equal to a 31:5x 10k or a 1:10-11 half.
Depending on how you are training, then absolutely yes.
This fall I trained for a half marathon (95-105 miles per week, lost of hard long runs, 5:18 pace workouts...) and in the few sharpening weeks before a little taper I did two 4 mile "tempo runs" in a little under 20 minutes. They were more like time trials. They were very hard for me to do and I was somewhat scared of the workout at the beginning, so it wasn't a true tempo effort, it was more like a time trial. I ran low mid-69 on a somewhat rolling course in a lonely solo effort win.
dsaklhfdsg wrote:
Depending on how you are training, then absolutely yes.
I agree. I think that if you're more of a distance guy then you should be able to do it.
I don't think 4-milers are indicators for half-marathons.
Btw, where did you find a four mile race?
It depends, but it is absolutely possible. I ran 20:10 in a 4-miler one week before going 69-high. The 4-miler was somewhat hilly and the half very flat. I was reasonably pleased with the 4-miler but disappointed with the half. In the half, I was on 68 pace through 8 miles then struggled home just under 70. The 20:10 did come at the end of a 100 mile week and I ran about 80 the week of the half and my training was definitely geared toward longer races at that point. Basically it really depends on the individual, but some people can crush 70 if they are in 20 minute 4-mile shape.
check out macmillan's website. according to his calc a sub 20 is equal to about a 2:29 marathon.
http://www.mcmillanrunning.com/cgi-bin/calc.pl
But I would want to be able to do the half and 10 mile distances in equivalent times to predict my potential.