Will 3k/5k training ruin my marathon training?

Training Advice/Discussion 5k/10k
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  • registered

    illinoisjones

    Member since 09/21/2019.

    144 posts. Last post 1 year ago.
    5 years ago 08/03/2020 3:56pm EDT

    I am signed up for CIM (I registered in late April). I do not think it is going to happen this year in December. Therefore, it may be a good opportunity to lower my personal best times at 3k and 5k. For the chance that CIM does happen, how bad is it to do 3k/5k training instead of marathon training? For example, I am running about 90 miles a week now with a tempo/steady state, fartlek, and a long run (16-20 miles) every week. For 3k/5k training, I would probably run 70 miles a week with a tempo, interval day, and long run (12-16 miles) every week.

  • high school xc coach

    Member since 05/06/2020.

    10,141 posts. Last post 2 hours ago.
    5 years ago 08/03/2020 4:03pm EDT
    re: illinoisjones

    the marathon is not happening. train for the 3/5k. Periodization with speed work is good for you anyway. You can always pick up the marathon training in October if it's not cancelled. Gives you a guaranteed 8 weeks to work on speed.

  • registered

    Smoove

    Member since 08/02/2017.

    4,202 posts. Last post 9 months ago.
    5 years ago 08/03/2020 8:07pm EDT
    re: illinoisjones

    It’s not uncommon to do a decent sized block of 5k paced work early in a marathon cycle, so I don’t see a problem with it.

    In fact, you could do a 6 week block of 5k work right now and still have 12 or so weeks before CIM.

    Plus, as the other guy said - CIM isn’t happening.

  • registered

    HRE

    Member since 04/13/2020.

    5,560 posts. Last post 4 hours ago.
    5 years ago 08/03/2020 9:28pm EDT
    re: illinoisjones

    Just keep your volume up. Decades ago we were just distance runners and trained for everything. Shorter always considered himself a 5,000/10,000 runner who did well at marathons because he did so much mileage.

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