Polar F5

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Polar F5

Reader Reviews

11 user reviews of Polar F5 See all

Overall reader score
Essential bit of kit at a reasonable price, could not run without it, great aid to monitoring fitness level Continue reading...
Provides a good basic HRM at a reasonable price Continue reading...
For me personally this is ideal. I don't require a monitor with umpteen features I just wanted something simple, to ensure I don't go too fast on long runs and recovery runs, and stay in the right Zone for Temp Continue reading...
a basic monitor for beginners and competitors, the best one for that price Continue reading...
A robust piece of kit (mine sits at the bottom of my kit bag and gets knocked about all the time). It does all the basics and is great for tracking your progress. Continue reading...



I've been running in Asics 2000 series shoes for years now (since the 2070's) without a problem.

However, after increasing my run distances for marathon training this year I've been getting bruised toenails in my 2110's.

Does anyone have any thoughts/experience in this area?

I was considering trying shoes a half size bigger but am worried about blisters with a looser fitting shoes (I once bought shoes a whole size too big by mistake and they shredded my feet...)

  • Have my feet got bigger over the years?
  • Have Asics 2000 series shoes changed shape?
  • Are black toenails an inevitable part of higher mileage running?

Any help would be much appreciated.


Posted: 30/08/2007 at 16:53

I do not think that black toe nails can just be put down to higher mileage.  I spent some time last year doing 60+ miles a week and had no problems.

However I did get a black toe nail in a 'short' run over Scafell, the hour of running down hill is what did it.

Make sure that your toe nails are trimmed so they do not bash the ends of you shoes.  I don't know about shoe sizing having an affect?  Have you changed your running to include more hill stuff because it could be this?


Posted: 30/08/2007 at 17:13

Good thought on the change of terrain Colin.

 I have added some gentle down hill sections to my longer runs but nothing too serious (or longer than 3-5 minutes) so I'm not sure if that could be to blame.

 I'm pretty good on trimming the toe nails so I don't think that is the problem either.

 Thanks for the ideas though.

Posted: 30/08/2007 at 18:07

I used to wear asics but the last incarnation of the cumulus wrecked my toes as they had completely changed the size and shape. Now very happy in roomy air pegs.

Posted: 01/09/2007 at 21:37

Thanks Deborah

That's interesting to hear.

Anyone else out there experienced anything similar with Asics? In particular the 2110's?


Posted: 02/09/2007 at 19:04

Well toe nails have mostly fallen off now and are growing back.

I'm consdiering trying a pair of shoes half a size bigger to see what happens.

Could be an expensive experiment if they shred my feet.

Hopefully find a shop that will let me try on the treadie for a while...

No thoughts/opinions from anyone else?

Posted: 05/09/2007 at 12:55

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