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Oct 2008
12:49pm, 24 Oct 2008
3,258 posts
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Ultra Kazzaaaaah!!
Doesn't matter what I do I can't get my replacement garmin to display the previous mile time. It beeps when I've gone thro' the mile and when I check the splits later I get all of them but not the display. Sort of got used to it now but I used to find it really handy.
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Oct 2008
12:49pm, 24 Oct 2008
19,237 posts
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Hendo
"you're pacing"
for the love of god, hendo..
YOUR PACING
*flagellates self*
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Oct 2008
1:01pm, 24 Oct 2008
1,100 posts
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Snapstinget
Hellen - in June I organized a 3000 metre time trial as part of one of our running courses. The course was not measured accurately: I just programmed 3000 metres into my 405, gave it to the fastest man, and told him to stop when the 405 went bleep.
Four other runners had GPS-based gear that day, three Garmins and one Polar.
Over 3000 metres given by MY 405 (which was of course spot on ha ha) the range of distances was from 2920 to 3070 metres.Now, that's pretty well within the range suggested by Garmin (98%). But over a marathon it would add up.
Now, if we'd done the time trial on the track we would have had an accurate measurement, wouldn't we? Or would you suggest that the people who build tracks also get it wrong? But I promise you that even on a track there would have been a wide range of results even if everyone had run on the inside lane (or the outside).
The fact is that the race is the race, and you get your time for that race. You might (actually you should) argue that as no two marathons are the same, your pb for one venue is meaningless in terms of marathons in general: it only applies to that one course.
Just to stir things up, may I also say that I think that anyone who relies on gadgets for any reason whatsoever during a race (unless it is to slow them down at the start) is surely missing the point. Why should we try to deny what our own bodies are trying to tell us? Aren't we happy to be human and just run? Gadgets are an extra stress factor (I can almost feel Hellen's stress at the missing seconds!). My Garmin ran out of battery at about 35k. Did i care? No. I took it off and crammed it into my bum bag.
But of course i had my Polar RS800 sd on too as a back up ... 
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Oct 2008
1:05pm, 24 Oct 2008
19,240 posts
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Hendo
Nice post snaps. But I must say that your marathon prep needs some work - fancy not charging your Garmin up enough!
For races mine is a stopwatch only really, but the post-race stats excite me no end.
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Oct 2008
1:07pm, 24 Oct 2008
162 posts
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Yes Hendo, I know, but it's very very close to accurate (about 0.1 out over the 26 miles, so I was taking that into account). I set it up like that because I knew at some point I would press the wrong button for laps and miss one, then spend ages trying to work out which screen I was on etc. With my pacing it a couple of seconds doesn't make that much difference!
Anyway, anything you say will be ignored should such poor grammar be used again.
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Oct 2008
1:20pm, 24 Oct 2008
2,322 posts
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2 Flat Feet
I have hesitated to weigh in on this....
I have the Garmin set on 1 mile autolap but accept that it won't be "race accurate". Abingdon was 26.47 miles, on mine. But every time I passed a mile marker that I wanted to note I just checked the time on the Garmin. That way I could use my brain (grey thing, inside the skull) to work out how accurate the Garmin was and my pacing against the course distance.
that way I get a general overall pace and can factor in the 0.1% inaccuracy....
Not too difficult!
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Oct 2008
1:22pm, 24 Oct 2008
4,433 posts
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hellen
I'm not complaining about the race distance, I am more having a prob with my own pacing hence the need for 2 garmins!!!
On Sunday I set my VP at 9.35/mile because I was aiming for 9.30/mile (or hopefully a tiny bit faster). I dont like getting behind Mr VP so worked out if I set it for 9.35 I needed to be 50ft ahead every mile. This tends to work quite well for me. What I dont like though is when I start loosing on Mr VP and even worse when I get behind. This happened at around 23 miles. So, it would have been nice if I had another garmin with a different target pace to then switch to!!!
The lap button thing is all well and good but for some races the markers are way out.
The other thing is that I base my race pace on my training paces which have been measured on my garmin. For sunday my aim was 9.30/mile on my garmin which I knew would not be sub 4.10 because I knew that my garmin measures marathons at 26.2 miles. I knew though that if I set off with 9.25 pace in mind I would overshoot too much and prob blow up even sooner.
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Oct 2008
1:31pm, 24 Oct 2008
4,434 posts
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hellen
I did similar 2FF. I wasnt so concerned about a finishing time as I was maintaining a certain pace which I thought to be achievable. I remember running the first 6 miles with KK who was doing the lap thing on her watch, apart from the first mile they were quite similar. I wasnt too concerned at that point about my garmin being ahead but knew I would do some calculations later in the race if sub 4.10 was looking possible still.
At 20 miles (a nice figure to calculate) I was 30seconds (total time) ahead of 9.30 pace according to the official markers even though according to Mr Garmin I was quite a way ahead. I knew that If I wanted sub 4.10 I would have to make sure I did 9.30 according to the official markers right to the end. I kept checking my stopwatch (yes I was wearing that as well as my garmin) for the next few miles and was still ok for sub 4.10. I then started loosing pace and gave up the calculations as I knew 4.10 couldnt be done. However, had I not lost pace I would still have been working it out based on the official markers towards the end. (think a pace band is needed!!)
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Oct 2008
1:32pm, 24 Oct 2008
4,110 posts
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Marathon Lads
26 - Worksop HM
November
2 - Stevenage HM -
9 - Rugby 10
16 - St Neots HM
23 - Clowne HM
30
December
7 - Luton FM
14 - Bedford HM
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Oct 2008
1:33pm, 24 Oct 2008
1,456 posts
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Badger
I'm with 2FF. I check what the differential is at each mile marker to have an idea how things are really going to adjust what the Garmin says. It can help a lot pacing the end - you know fairly precisely when you're half a mile from the end even if the gadget is saying it "thinks" it is only 3/8 of a mile.
That being said, I think all my PBs have been from hitting it hard on the day & the gadgetry just helps you to know whether you're on course or not - indeed I have a 2 minute PB at half which I though was going to be a marginal miss of a PB because I was looking at the wrong screen & seeing my average pace, not the brutal (for me) pace I was setting myself in the last couple of downhill miles
Oh I wasn't really throwing a sulk about the smelly comments, just teasing y'all. I think showering after the race was a mistake, I'd probably have been able to get seats on the trains home if I hadn't - maybe even a whole carriage
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