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During Marathon Training, Should My 5k and 10k Times Get Slower?

BY Ben Rosario

Training for a marathon doesn't mean your 5 and 10k times need to slow. The strength and stamina you build can keep you competitive at shorter events. 

Are you training for an event and have a question about your training or nutrition? We want to help you reach your goals so ask your question and if selected, we’ll have a top level coach answer your question. Submit your question now.

QUESTION

Do you believe that when you are marathon training your 5k and 10k times seem to get slower? -Tiffany Schwartz

ANSWER

“Great question! I wouldn’t say that’s necessarily the case. In fact, I’ve seen a lot of runners run PRs at shorter distances during marathon training as a result of their increased aerobic strength. They typically don’t feel particularly “”fast”” but they’re able to maintain their pace without slowing down. Again, that’s the result of the extra strength.

Even for those who don’t PR during the marathon training segment, I’ve seen a lot of folks PR at shorter distances after their marathon segment is over as they drop their mileage, freshen up and reap the benefits of all the high-end aerobic work they did in preparation for the marathon.
So, marathon training is not a death sentence for shorter distance PRs!!

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About Ben Rosario

Ben Rosario is the head coach of Northern Arizona Elite, a professional distance running team in Flagstaff, Arizona. The team has won multiple National Championships and produced world class times including a 1:01 half marathon (Matt Llano), a 2:12 marathon (Jordan Chipangama) and a 15:21 5k (Kellyn Johnson). Ben’s accomplishments in the running industry include co-founding Big River Running Company in Saint Louis, Mo., directing the USA Cross Country Championships in 2012 and 2013 and directing the Nike Festival of Miles charity track meet. He has also created NAZ Elite training plans to help runners of all abilities. ‘Follow NAZ Elite on Twitter: @NAZ_Elite and Coach Ben at: @BenRosario1