Ihavenonickname wrote:To be honest jack, I'm not sure I trust the data from that run. When I added it to strava it added a couple of km, which if I manually put the route online seems right, but the pace just seems a bit quick. It is also quicker than a run I did last week which was on a canal tow path (17.1 @ 4:51/km vs 18.4 @ 5:09/km)
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05:09/km for 16.1 km is 01:22:55 - so still 01h:23m for 10 miles. Which, assume a bit more endurance/resilience (I you can keep going at a commensurate speed for 4 hours) still puts you on a sub 4 hour marathon. So you have the speed, just need some stamina/resilience. So if you can get a 2+ hour run, and a 3+ hour run (a month to go? pushing it, but might be possible) then you stand a chance. Pace it for 4 and see what happens. Work on eating and drinking too on the long runs. Lots of shorter runs on a daily basis, or even 2 a day if you can manage that without breaking (e.g. 10k morning, 10k evening). or 5k morning, 5k evening, is a great way of building resilience while minimising injury potential. All done at a steady pace - no intervals etc.
It really depends on how the terrain for your 18km compares with the terrain of the marathon. If the marathon is "easier" then that will buy you a free 10 minutes. harder, it's work the other way (extra 20 mins).
Not saying it will be easy, but just a 4 hours is still a potential. 4:30 should be easy
