Jens Jakob Andersen

Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.


Articles

The State of Running 2019
The State of Running 2019

This is the first mapping of Global running participation. The analysis covers 107.9 million race results from more than 70 thousand events from 1986 to 2018. This is by far the largest study of race[…]

Runner's Sex Guide
Runner's Sex Guide

Aerobic exercise is meant to work best for weight loss. Many would say that running is best for the purpose, and this opinion is well-grounded. However, we need to admit: there may be another way to g[…]

50 Shades of Plantar Fasciitis (Ultimate Guide)
50 Shades of Plantar Fasciitis (Ultimate Guide)

Your feet are marvelous. Each one has 26 bones, 33 joints, and more than 100 muscles. Needless to say, the design by Mother Nature is complicated but perfect. Every part is crucial as it is. That is w[…]

183,911 Running Shoe Prices Analyzed
183,911 Running Shoe Prices Analyzed

We have spent weeks analyzing price patterns of running shoes. First, you will be presented to an infographic with the most important conclusions. Secondly, we dig deeper into the numbers. Feel free t[…]

Expensive Running Shoes Are Not Better Than More Affordable Running Shoes (Study)
Expensive Running Shoes Are Not Better Than More Affordable Running Shoes (Study)

Based on 134,867 reviews of 391 running shoes from 24 brands, this study compare the list price of running shoes with how well rated they are. The key conclusion is that expensive running shoes are no[…]

Marathon World Record Over Time (Infographic)
Marathon World Record Over Time (Infographic)

We have compiled information about the marathon world record over time, which is illustrated in the infographic below. As you see, we have done great improvements. In the graphic you will find 1) the[…]

Research: Women Are Better Runners Than Men
Research: Women Are Better Runners Than Men

Danish research have revealed intriguing results from the most exhaustive study of marathon results in history. The study included 1.815.091 marathon results from 131 marathons. The new research concl[…]

Marathon Statistics 2019 Worldwide (Research)
Marathon Statistics 2019 Worldwide (Research)

NOTE: This report has been updated. See the most recent report on the state of running 2019 here presented at The Global Running Conference hosted by the IAAF in China June 2019. It includes data back[…]

Top 12 Shoe Lacing Techniques [Images + Video]
Top 12 Shoe Lacing Techniques [Images + Video]

We spent 284 hours researching and testing lacing techniques for running shoes. Here, you’ll find our best recommendations. Enjoy. This guide works for running shoes, hiking boots & hiking s[…]

Guides

Data Analysis: When Is the Best Time To Buy Running Shoes?
Data Analysis: When Is the Best Time To Buy Running Shoes?

We’ve tracked 12 million price points on more than 2000 pairs of running shoes and 5000 sneakers over 7 years from +200 retailers to give you the scientific answer to when is the best time to bu[…]

Data Analysis: The Best Running Shoe Brands
Data Analysis: The Best Running Shoe Brands

At RunRepeat we specialize in reviewing running shoes. We’ve now analyzed more than a million reviews from 33 brands which include reviews from more than 2,000 running shoes from the last decade[…]

Why you cannot trust “experts” and top-10 lists
Why you cannot trust “experts” and top-10 lists

Tl;dr: We believe editors cherry-pick popular shoes to earn more. You should not trust top-10 lists as the shoes picked are rarely the truly best running shoes. The purpose is not to discredit review[…]

Best Nike running shoes for men
Best Nike running shoes for men

Nike has already made a big name in the running industry for their top-performing running shoes. But here in RunRepeat, we don’t rely on popularity. To select the best Nike shoes for men, we spe[…]

Best Running shoes for men
Best Running shoes for men

There are thousands of running shoes designed for men, and picking one can be quite a struggle. We want to make your selection process a lot easier and thus, have gathered the ten best running shoes f[…]

Best Nike walking shoes
Best Nike walking shoes

Diehard Swoosh fans who are in need of comfy and supportive kicks for walking need not look far. With over 100 walking shoes lined up for you, you can expect to find the best there is here. Whether yo[…]

Best Reebok running shoes
Best Reebok running shoes

Reebok has been known globally for producing some of the most lightweight, high-performance running shoes on the market. And since there’s a ton of options available, choosing can be quite tedio[…]

Best Running shoes for wide feet
Best Running shoes for wide feet

Not all runners are the same, and neither are their feet. Some are narrower, some are larger. And because it’s not a one-size-fits-all approach in running shoes, there are models made specifical[…]

Best Running shoes for walking
Best Running shoes for walking

It’s undisputed — running shoes have the best cushion not just for marathons but also for your daily casual walks. If you want to have just one shoe to rock your daily jogs and stay comfor[…]

Best Black Nike running shoes
Best Black Nike running shoes

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Best Black running shoes
Best Black running shoes

Best White Nike running shoes
Best White Nike running shoes

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Best White running shoes
Best White running shoes

Best Nike ZoomX running shoes
Best Nike ZoomX running shoes

Nike has nothing to prove. It’s already one of the strongest brands in the running scene. But as it enters the world of super foams, it’s made itself even stronger. The Nike ZoomX foam is[…]

Best Mizuno running shoes
Best Mizuno running shoes

Mizuno has always been known for its durable, long-distance running shoes. But because we know that different runners need different shoes, we’ve selected some of the best choices from different[…]

Best Nike trail running shoes
Best Nike trail running shoes

Nike is a household name in the running world. Although it’s better known for its road running shoes, Nike doesn’t cut corners when it comes to its trail shoes. They’re sturdy, tract[…]

Best On running shoes
Best On running shoes

They may be new to the running scene, but On running shoes have got what it takes to compete against established brands like Adidas and Nike. Whether it’s for the road or the trail, these runnin[…]

Best Brooks running shoes
Best Brooks running shoes

With a "Run Happy" motto, Brooks believes that there is no good or bad running shoe. Each runner picks the right shoe for them based on their preferences and the running experience they want to achiev[…]

Best Road running shoes
Best Road running shoes

The number of road running shoes is three times larger compared to trail running shoes. Thus, buying a pair can be an overwhelming task, especially if you are new to running. We have tested over 100 r[…]

Best Running shoes
Best Running shoes

Are you looking for a comfortable all-arounder? A supportive shoe for overpronation? Or a speedy racer for a new personal best? There is no ONE best shoe for everybody. We have tested over 100 running[…]

Best Asics running shoes
Best Asics running shoes

Asics is a big name in the world of running shoes. With such an extensive collection of Asics shoes to choose from, there are options for all types of runners. Whether you need a comfortable cruiser f[…]

Best New Balance running shoes
Best New Balance running shoes

New Balance has become a go-to brand not only for stylish lifestyle footwear but running shoes as well. Given how easy it is to get lost in all those FreshFoams and FuelCells, we are here to narrow do[…]

Best Under Armour running shoes
Best Under Armour running shoes

Under Armour may seem to be a less popular brand when placed alongside the likes of Nike and Adidas. But many people are surprised to find out that UA offers running shoes in the same vein as big bran[…]

Best Adidas running shoes
Best Adidas running shoes

Adidas is one of the top brands in the athletic gear scene and continues to be a popular choice for running shoes. To help you navigate the brand’s extensive selection of running footwear, we ha[…]

Best Stability running shoes
Best Stability running shoes

Stability running shoes are helpful in providing runners the additional arch support, especially if they feel that the lack thereof is preventing a natural and comfortable movement. As a beginner, it[…]

Best Nike running shoes
Best Nike running shoes

Nike needs no introduction. The brand offers some of the widest selections of highly-rated running shoes for both beginners and seasoned runners. We have tested over 70 Nike running shoes in our lab t[…]

Best Long distance running shoes
Best Long distance running shoes

Going for anything longer than a 10K calls for the most reliable, comfortable, and durable running shoe. As the stress on your body increases, so do the demands from a pair of running shoes. We have t[…]

Best Trail running shoes
Best Trail running shoes

We’ve tested more than 100 pairs of trail running shoes to help you find the best of the best. Some trail shoes are created for the harshest off-road challenges like rocks, mud, snow, and branch[…]

Lab tests and in-depth reviews

Mizuno Wave Rider 24
91
Superb!

The verdict from 17 experts and 100+ user reviews Most of the experts liked this shoe: “really surprised,” “wasn't expecting to like it.” This was expected given that the major[…]

Nike Zoom Rival Fly 2
81
Good!

Nike Zoom Rival Fly 2 review The Zoom Rival Fly 2 is less cushioned than the Pegasus 36, so I thought that I wouldn't enjoy it as much, but this shoe proved me wrong. Specifications Price $100 Surface[…]

Salomon Sense Ride 3
90
Superb!

The verdict from 19 experts and 100+ user reviews The majority of the experts' reviews we’ve read have expressed love for this trail running shoe. They summarized their reviews with comments suc[…]

Reviews

Under Armour Charged Impulse 2
72
Bad!

The Under Armour Charged Impulse 2 is an affordable running shoe that's perfect for daily running. If it's comfort you're after, its plushness will wow you. For beginners who are still finding their p[…]

Under Armour Charged Rogue 2.5
82
Good!

The Charged Rogue 2.5 is billed by Under Armour as a daily trainer for long runs. However, even for short and easy days, it's only as good as its price. The UA Charged Rogue 2.5's cons just outweigh t[…]

Under Armour HOVR Mega 2 Clone
83
Good!

If you want a shoe that's close to the Adidas Solarboost 3 but cheaper, the HOVR Mega 2 Clone from Under Armour fits the bill. It's a daily trainer that puts support at the forefront. Even better, it[…]

Adidas Ultraboost DNA 1.0
76
Decent!

The Ultraboost DNA 1.0 from Adidas remains the stylish go-to among runners. And for $160, it's a certified great-value utilitarian that you can pick as a go-to for daily runs, jogs, gym training, and[…]

Reebok Energen Plus
73
Bad!

Whether you're running, lifting weights, or walking, the Reebok Energen Plus is a fantastic all-rounder. Even better, it's cheap. As a daily trainer, it's perfect for easy or recovery paces in short t[…]

On Cloudboom Echo
82
Good!
Nike Air Zoom Pegasus 38 Shield
82
Good!
Adidas EQ21 Run Cold.RDY
81
Good!

If you're an Adidas fan and you're looking for a more wallet-friendly version of the Ultraboost Winter.RDY, then you can count on the Adidas EQ21 Run Cold.RDY. True to how it's billed, it's a trusty p[…]

Asics Gel Kinsei Blast
79
Good!

The Kinsei Blast is Asics' version of the Adidas Ultraboost. And in this regard, it's a total success — it's a comfortable cruiser, it's a stunner, and it's very expensive too. As long as you ca[…]

Adidas Lite Racer BYD 2.0
70
Bad!

The Adidas Lite Racer BYD 2.0 is a daily trainer that mimics the lightness of a racing flat. But does it perform like one? No. It's an affordable option that's perfect for easy runs, walks, gym sessio[…]

Topo Athletic Terraventure 3
69
Bad!

The Terraventure 3 from Topo is a perfect trail shoe so long as you're a sucker for an all-rounder that's protective, grippy, and places ground feel at the forefront. It's great for everyday training[…]

Salomon Alphacross Blast GTX
88
Great!

The Alphacross Blast GTX from Salomon is the more affordable version of the Supercross Blast GTX. It may not be as good as the Supercross on technical terrain, but in muddy, soft, or snow-filled groun[…]

Salomon XA Collider
78
Good!

The Salomon XA Collider is a great-value trail shoe that doesn't break the bank but offers versatile functions. It shines in light to moderate trails and is a great lightweight alternative to hiking b[…]

Asics FujiTrabuco Pro
82
Good!

As long as you're not racing in a marathon or ultra, the Asics FujiTrabuco Pro is a great trailblazer. In contrast to its Fujitrabuco siblings, it's light and fast. And if you're looking for a solid t[…]

Adidas Response Super 2.0
78
Good!

The Response Super 2.0 from Adidas is a budget all-rounder that can get you through your activities with comfort at the forefront. If it's a jog, a walk in the park, or an afternoon session at the gym[…]

Asics Gel Sonoma 6 GTX
79
Good!

The Gel Sonoma 6 GTX from Asics is a great option for trail runners who want a versatile shoe on a budget. It's a light and waterproof option for both trail running and light hiking. And if you want t[…]

Brooks Levitate GTS 5
82
Good!
Nike Revolution 6
73
Bad!
Asics Fuji Lite 2
81
Good!

The Asics Fuji Lite 2 is the addition to your trail lineup if you want a light and fun shoe that can bridge the gap between your ultra shoes and daily trainers. It's a speedster that's versatile enoug[…]

Hoka One One Rincon 3
84
Good!