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20mile races in marathon build-ups

26 watchers
Mar 2012
8:53pm, 4 Mar 2012
6,559 posts
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(schnell)Schnecke
This is very interesting - I'm seriously thinking about trying Gobi's plan at Oakley. The only thing is - should I risk it just three weeks before VLM? After all, it IS the longest marathon after all ...... (sorry Lord Fetch, I know you said you'd officially retired that joke but - well - it just won't lie down and die .....)

But, srsly, would you advise this strategy three weeks before your marathon? I'm inclined to think it would be OK - I'm following the P&D schedule again, and there's plenty of speedier stuff in there :-)
Mar 2012
9:06pm, 4 Mar 2012
1,242 posts
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slowfish
I also followed Gobi's plan today and was happy with the result. Although I finished behind quite a few of my fellow club runners who I would normally hope to beat at halfs or maras it seemed sensible to me to just take this easy - the first half especially.

Target mara pace is 7.25. Progressively getting faster every five, with the last 5 at target pace. Felt good storming past folk in the last five and some really nice chats with others in the first 10 miles! Finish time of 2.38.

8:28 8:18 8:20 8:05 8:22

8:21 8:10 8:07 8:08 7:55

7:44 7:44 7:35 7:47 7:45

7:19 7:22 7:22 7:17 7:36 34

I'm 8 weeks away from my mara Schnecke - don't think I'd do this 3 weeks before.
Mar 2012
9:11pm, 4 Mar 2012
11,173 posts
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DeeGee
I've properly raced a marathon 3 weeks before properly racing a marathon and PB'd both.

It's not a tactic I'd endorse, though. It could probably be argued that I'd have PB'd the second marathon by a lot more if I hadn't reaced the first.

I am planning on following Gobi's scedule in Hull, though, which is 3 weeks before my A race marathon, in Hull.
Mar 2012
9:30pm, 4 Mar 2012
6,561 posts
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(schnell)Schnecke
Hmmmm ..... maybe I'll just see how I feel on the day ..... ;-)
Mar 2012
10:34pm, 4 Mar 2012
1,183 posts
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Bru-Bru
I tried 5m taking it easy, 5m pushing a bit harder, 5m easy again and then planned to push on for the last 5 only if I felt I had enough left. Miles 1-15 went fine, but last 3, in particular, were quite draining. Wish I had started even slower (which in my case is very slow) and then progressively increased speed as per Gobi's plan.
Mar 2012
11:32am, 5 Mar 2012
2,015 posts
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rf_fozzy
The question for me is now whether to do another 20mi race a week on Sun, doing something similar to the plan, but will more MP - something like 5easy, 5MP, 5 steady, 5MP or more preferably, 5easy, 3fairly steady, 3 steady, 9MP. +2mi jog warm down in either case.

If I don't do the race, I'll be doing 22 anyway.

What do people think?
Mar 2012
8:09pm, 18 Mar 2012
1,826 posts
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clare1976
What did you do in the end rf fozzy?

Thank you to those who initiated and congributed to this thread, I put the plan into action at Ashby 20 today - and I found it just as hard to reign myself in and run the first 5 slowly as it was to do the last 5!

Splits were:

8:56, 8:58, 8:48, 8:45, 8:54
8:40, 8:44, 8:44, 8:37, 8:33
8:29, 8:12, 8:19, 8:23, 8:19
7:49, 7:51, 7:59, 7:57,
7:21, 0:31 (6:40 pace)

I had planned for my pmp to be 8:00-8:10mm as I am aiming for a low-3:30's marathon, but genuinly couldn't have done the first few miles any slower - it felt comfortable right through to the last few pmp miles. The race had quite a lot of ups n downs which affected my pace - the miles where I was quite a bit quicker than the pace should have been were downhill sections where I just relaxed and went with it. HR stats v pleasing too, so I am now thinking that perhaps I should be pushing for a sub-3:30.

The best thing was passing LOADS of people on the 2nd lap (was a 2 lap race) - I wasn't passed by anybody :-)

Thanks again, I will definitely use this approach in future.
Mar 2012
8:12pm, 18 Mar 2012
12,625 posts
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Fenland Runner
Fantastic running clare :-)
Mar 2012
8:13pm, 18 Mar 2012
12,146 posts
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JohnnyO
I would have thought you could go under 3.30 with those splats Clare.
Mar 2012
8:17pm, 18 Mar 2012
2,160 posts
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rf_fozzy
I had the same experience at Trimpell the other week Clare - no-one passed me after 3miles and I spent the rest of the race passing everyone else (including a satisfying pass of someone I know at the 16mi mark :-) ) - it's a great feeling and am hoping that if I pace my marathon right, the same thing will be happening for the final third!

I know what you mean about the first 5mi - I found an ex-clubmate who was running at 8m/m, and chatted to him to slow me down!

In the end today, I did a HM as a practise race (instead of doing 13@MP) - and was very pleased with my result on tired legs after a 70+mi week.

I did repeat the above session (the now-called 20mile Gobi-quartered progressive race approach) on tuesday night with a clubmate on a much more undulating route and found it a bit more difficult in training than in a race, but we did push the last 5mi a little bit faster than planned.

About This Thread

Maintained by rf_fozzy
I'm interested in what people think about them - do you do them? How do you run them

Advice from Gobi:

5 miles @ MP + 60-90( time to get loose so start close to 90 and work down)
5 miles @ MP + 45-60
5 miles @ MP + 30-45
4 miles @ MP
1 mile however you like
1 mile cool down

The 1 mile cool down came into force as I discovered coaching nobody wants to back off at 19miles and look like they have blown up so we invented the go race the last mile and then do a cool down rule
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