๐Ÿ“ˆ Improve your lactate threshold...


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Hi runners,

Jessy here with newsletter #588! ๐ŸŽ‰

Happy Monday! โ€‹
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Here's what I have for you today
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  • โฐ We do a deep dive on marathon finishing time data so you can see how you stack up!
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  • ๐Ÿ Why are Ironman marathon times getting faster than ever? A look at the technology, tactics, and talent reshaping endurance triathlon.โ€‹
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  • ๐Ÿ’ช The DOs and DON'Ts of cross-training to up your running game.โ€‹
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  • ๐Ÿ“ˆ Build endurance, boost speed, and train smarter with two workouts designed to raise your lactate threshold.โ€‹
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  • ๐Ÿ‘Ÿ Hoka is known for the Clifton, its big, comfy (and surprisingly light) everyday trainer. But what about the rest of its lineup? Our shoe expert tried them all, and made a comprehensive video guide on which Hoka is best for you.

Get ready to get faster!

Jessy Carveth
Senior News Editor

โ€‹โฐ Whatโ€™s A Good Marathon Time? Average Marathon Times By Age, Sex + Abilityโ€‹

As runners, weโ€™re often interested in comparing our 1-mile, 5K, 10K, half marathon, and marathon times to see how they stack up against peers and others in their age group.

We dug into a data set of 19,614,975 marathon results in 32,335 races worldwide to get you the answers!

โ€‹๐Ÿ Whatโ€™s Fueling the Fastest Ironman Marathons in History?โ€‹

For years, the marathon leg of an Ironman seemed to have a ceiling.

Mark Allenโ€™s legendary 2:40:04 in Kona in 1989, achieved in the white-hot crucible of the โ€œIron Warโ€ with Dave Scott, became the gold standard for what was possible after 180 kilometers of swimming and cycling.

It held up for nearly three decades until Patrick Lange finally lowered it in 2016. Since then, Gustav Iden has pushed it further, and in 2025 the floodgates appear to be wide open.

โ€‹๐Ÿ’ช The Ultimate Guide To Cross Training For Runnersโ€‹

Cross-training for runners is essential to a sustainable, healthy, strong, and injury-free running journey.

Cross-training involves mixing up your training program with other activitiesโ€”such as weight training, yoga, or swimmingโ€”to help you level up your running, keep you injury-free, and hit new PRs.

However, when done incorrectly, cross-training can negatively impact your running game.

โ€‹๐Ÿ“ˆ How To Increase Lactate Threshold With Our Top Training Methodsโ€‹

Lactate threshold is an important but often poorly understood concept for runners and endurance athletes.
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Most of us know that increasing our lactate threshold is a good thing but arenโ€™t sure how to improve it from a practical perspective.

In this guide, Iโ€™ll walk you through the science of lactate threshold and share the two proven training methods I use with my runners to improve it.

โ€‹๐Ÿ”ฅ WATCH: Which 2025 HOKA Running Shoe Is Right for You?โ€‹

HOKA, one of the top running shoe brands in the world, has launched a handful of new shoes in 2025: sneakers tailored for easy runs, long workouts, races and more.

Senior Editor Alex Cyr tested HOKA's 2025 lineup, and provides his honest feedback for seven of its most popular shoes. Here, he explains what kind of running each shoe is made for, and what he likes and dislikes about every pair, to help you decide which HOKA model is right for you.

โ€‹The Ultimate Runner's Bundleโ€‹

The Ultimate Runner's Bundle combines all 4 of our premium courses (Half Marathon Masterclass, Marathon Training Masterclass, Ultra Runner's Playbook + 7 Day Motivation Challenge) in one cheaper package.

You get access to each of the below courses and all the bonus downloadable content - which adds up to over 16 hours of exclusive video tutorials and reams of extras: Check it out!โ€‹

Use the discount code SPRINT25 at checkout for 25% off!

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Looking for an online running coach? Whatever your goals, train with our managing editor, Coach Katelyn. Learn more about her online coaching.

Want to become a running coach? Check out our friends at UESCA. They do 100% online, at-your-own-pace coaching certifications for running and ultrarunning. More here.


Feedback? Hit reply and start a conversation with our team.

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