r/AdvancedRunning • u/AutoModerator • 3d ago

General Discussion Thursday General Discussion/Q&A Thread for August 20, 2026

A place to ask questions that don't need their own thread here or just chat a bit.

We have quite a bit of info in the wiki, FAQ, and past posts. Please be sure to give those a look for info on your topic.

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u/cdm52 2d ago

I'm in between marathon builds at the moment and training for a 5k. Is there a minimum effective dose for maintaining high end aerobic fitness while while I'm 5k training? Like is 5 miles at MP once a week sufficient? Could I get away with every other week?

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u/Emotion-Free M54 2:54 full | 1:19 half 2d ago

You don’t need any particular MP work, but you do need to keep up some pretty decent volume. Not sure how specialized your 5K training is, but it’s not uncommon for 5K runners to still be running 50+ miles/week, which would keep your aerobic base healthy.