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Stand alone Marathon times - 1st half versus 2nd half

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Just curious about those who've done stand alone Marathons, what was your first half time versus 2nd half?

My only one I had a 1:50 first half and 2hr second half.

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Only one for me with a 1.22 first half and 1.34 second half. Hardest last 10km of my life (after over pacing of course) and longest recovery period. 

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Majority (5) of mine when trying to go as fast as possible (all sub 3.1/2 hr) where go out and fade in the back end. This was because I worked on the run the best possible and have nothing left.

Last one was with pacers was controlled for 4hr and evenly split. Just felt clinical

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My last serious standalone marathon in 2010. (Every one since has had a 3.8km shampoo and 180km blow dry to warm up.)

20100704_GCM_results.jpg

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I have only run one back in 2004 which I ended up actually winning! 

1:25:39 first 21.1km,  1:29:53 second 21.1km = 2:55:32

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5 minutes ago, Tyno said:

First mara was my best.

1:52:13/3:40.42

Negative split?  I expected FB to come on and be the only one to have done that.. (in every run he's ever done... )

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I have done 7 standalone and my fastest (and easiest) was a tiny negative split. My 10km splits were all within about a min and a half of each other.

Now whenever I run one, I try and pace it at what I think will be a pace I can maintain. Going out fast really doesn't work for me.

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My only good one I slightly negatively split.

but it was basically 5min ks, but before Garmin’s and gps. 

The old cities marathon from Sydney to Blacktown. I ran to parramatta with big Chris then paced my way from there for a 3.29 and change 

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The only one I've done was negative split, but I was trying to get someone through on a time they were chasing, and when they finally gave up, I ran hard.  1:40ish / 1:28ish

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Most people who run marathon PBs run first and second half within 60-90sec. More than that suggests you either started too hard or too easy.

My PB was 75:36 / 76:34

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2nd mara had no 1/2 split, but at 20 km, I was 1:55.13, so lets say ~2:01 at 21.1

4:23.34 at the end.

I seriously contemplated catching a tram back from St Kilda that day :D

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Keep em coming, I'll post something tomorrow if work allows me some time............

 

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If you run enough marathons it's easy to see the same trend as the above replies. Your good/fastest races will be the ones that are most evenly paced. This requires a strong final 10km. 

If there is a significant discrepancy between the first and second half, it almost always means one of three things:

  1. Went out too fast.
  2. Insufficient training.
  3. 1 & 2.

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5 minutes ago, Paul Every said:

If you run enough marathons it's easy to see the same trend as the above replies. Your good/fastest races will be the ones that are most evenly paced. This requires a strong final 10km. 

If there is a significant discrepancy between the first and second half, it almost always means one of three things:

  1. Went out too fast.
  2. Insufficient training.
  3. 1 & 2.

In my one and only so far, I was probably guilty of all those but will add:

4.  On the back of Tenby LCW B)

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21 minutes ago, FatPom said:

In my one and only so far, I was probably guilty of all those but will add:

4.  On the back of Tenby LCW B)

5. Illness

6. Injury

7. Hangover

8. Still drunk

 

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6 hours ago, CEM said:

Most people who run marathon PBs run first and second half within 60-90sec. More than that suggests you either started too hard or too easy.

My PB was 75:36 / 76:34

It also depends on the courses topography. I don't think even splits are actually even splits in my local marathon.

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9 hours ago, Paul Every said:

5. Illness

6. Injury

7. Hangover

8. Still drunk

 

9. 180km bike race the day before.

Edited by Ex-Hasbeen

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What CEM said. When I was running marathons and fun runs back in the 80's and early 90's, the group I trained with had some experienced marathon runners who preached the even paced is the best pace method for running a marathon. I got a bit excited in my first marathon and blew up big time in the second half. From memory the first half was 1.31 and second half 2.15. I got better at managing my pacing over 10 more marathons over a 9 year period.  

I think about it now, we only had a watch to manage our pacing. No HRM's, no garmins, no stride power meters and no Strava uploads afterwards. How did we even manage to finish!!!! 

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It's funny, even with a GPS I still tend to pace marathons on 10km split times. I have an idea of what time I should be running the 10kms in and look at the time at every 10kms and at the half way mark and adjust accordingly.

I think I have had GPS misread so many times that I just don't trust it anymore.

With the GPS, I set it to 3km laps and if I think it is accurate, adjust accordingly. Any less that 3km laps and i am messing around with my pace way too much for me.

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