Sub-3 marathon training: should you run a 100-mile week?
Hitting 100 miles (161km) a week isn’t essential for sub-3, but if you can recover from it, big mileage is a powerful driver of marathon performance.
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Negative splits in the marathon: smart strategy for sub-3?
Running a negative split means holding back early and finishing strong, a strategy that can protect against the Wall and boost sub-3 chances. It is not for everyone, but for disciplined runners it may be the safest path to success.
How to recover mid-race if your sub-3 start goes wrong
A shaky start doesn’t have to ruin a sub-3 marathon. With calm problem-solving and composure, you can reset your rhythm, adapt fuelling, and still finish strong.
Can you run back-to-back sub-3 marathons?
Some succeed, but recovery is critical. We explain the toll on body and mind, and how to give yourself a chance.
From 3:30 to sub-3 marathon: 10 things to do differently
Discover 10 key changes to go from a 3:30 marathon to sub-3 — higher mileage, smarter training, recovery, nutrition and marginal gains that really work.
World’s Fastest Marathons – April 2026 edition released
The April 2026 edition is now live, presenting the full rankings for all included races. Data is drawn from publicly reported results and presented using Sub-3’s standard methodology.
Can trail running prepare you for a sub-3 marathon?
Trail running can build strength and aid recovery, but most sub-3 marathons are run on roads. Here’s how to mix trails without losing road focus.