Jovana Subic

Jovana Subic
Whether it's a vertical kilometre or an ultra, climbing in the Alps or exploring local mountains, Jovana uses every opportunity to trade walls and concrete for forests and trails. She logs at least 10h/week on trails, with no off-season, and 4x more on research on running and running shoes. With a background in physics and engineering management, she prefers her running spiced with data.

Articles

Women Are Better Runners Than Men [2020 Analysis]
Women Are Better Runners Than Men [2020 Analysis]

Faster doesn’t mean better. This analysis covers 2,348,505 marathon results achieved during the 2009-2019 period. The purpose was to analyse differences in pace throughout the marathon between women a[…]

Was Doping Worth it? Russian Athletics Decline [24K Results Analysed]
Was Doping Worth it? Russian Athletics Decline [24K Results Analysed]

This is a follow-up piece on our previous in-depth research on doping and performance of Russian athletes. We analysed 24,020 track and field results from 3,731 events and 400 Russian athletes to unde[…]

Is Russian Doping What It Appears To Be?
Is Russian Doping What It Appears To Be?

This analysis covers 29,190 results achieved by 354 Russian athletes, dispersed over 4,691 events, during the 1993-2019 period.  Given the current controversy regarding doping at the Olympic Games, wi[…]

Guides

Guide: Soft vs. Firm Running Shoes
Guide: Soft vs. Firm Running Shoes

Why softer isn’t always better? Which shoes become firm in cold weather? Which midsole hardness can help reduce running injury risk?  We’ve summarised 20+ hours of research, lab data analysis and scie[…]

Carbon-Plated Shoes Cut In Half, Explained and Lab-Tested
Carbon-Plated Shoes Cut In Half, Explained and Lab-Tested

This guide covers what to expect from carbon plated shoes, how much they can improve running times and when they will not work. We’ve spent 20+ hours researching the topic and summarising scientific c[…]

Guide: Flexible vs. Stiff Running Shoes
Guide: Flexible vs. Stiff Running Shoes

Why are stiff running shoes getting the spotlight? Why do runners flex and twist shoes in running stores? How is stiffness related to your running performance?  20+ hours of research is summarised in[…]

10 Principles of Proper Running Form
10 Principles of Proper Running Form

We’ve condensed 40+ hours of research and more than 30 studies into this in-depth guide. It covers when and how to improve the running form using some basic principles, how it impacts running performa[…]

Stack Height: Tool, Shoe Lab Data & In-Depth Guide
Stack Height: Tool, Shoe Lab Data & In-Depth Guide

We spent 50+ hours creating a tool and doing the research for this guide. We’ve covered stack height in great detail and backed everything with our lab data. Our tool will tell you which stack height[…]

Running Shoe Rotation Guide & Tool
Running Shoe Rotation Guide & Tool

We spent 40+ hours researching running shoe rotation and creating a tool that helps you add a new pair of shoes to your rotation. This guide covers shoe rotation in great detail: how much it matters,[…]

Running Shoe Weight & Performance [Calculator]
Running Shoe Weight & Performance [Calculator]

40+ hours of research and development have been summarised in this in-depth guide. Using our tools, you can find out which shoes will get you to your new PB and how much faster you can be in shoes tha[…]

Running Cadence: What It Is, Why It Matters and How To Improve It
Running Cadence: What It Is, Why It Matters and How To Improve It

Don’t trust the 180-cadence belief. Optimal cadence for you is a range, not a single number you need to hit. Even if you hit it, it will still be influenced by terrain, your biomechanics, speed.  Incr[…]

How to choose the best insoles for running and walking (In-depth guide)
How to choose the best insoles for running and walking (In-depth guide)

We spent 40+ hours working on this guide. It dives into materials, shapes, purposes and potential benefits of insoles and orthotics so you can make an informed decision: what do you actually need?  Ma[…]

Foot Strike: The Ultimate Guide
Foot Strike: The Ultimate Guide

Types of foot strike, should you change it and how it relates to injuries, running performance and running shoes - we’ve covered it all in this guide. 31 hours of research condensed into an in-depth g[…]

Arch Support for Runners: What, How and Why [In-Depth Guide]
Arch Support for Runners: What, How and Why [In-Depth Guide]

Arch support is not a quick fix. But, can running shoes with arch support improve your running experience? This is an in-depth guide that gives a necessary overview of arch height and running shoes wi[…]

Pronation 101: Running Shoe Choices, DIY Analysis, Injuries
Pronation 101: Running Shoe Choices, DIY Analysis, Injuries

Do you supinate? Can shoes correct overpronation? How is pronation related to injuries? We’ve spent over 40 hours researching pronation and presented it all in this guide.  If your runs are comfortabl[…]

Heel to Toe Drop: The Ultimate Guide
Heel to Toe Drop: The Ultimate Guide

We spent over 300 hours reading 30+ scientific papers and analysing data from more than 350 running shoes that we tested in our lab to help you gain an in-depth understanding of heel-to-toe drop.  Wha[…]

Best running shoes for wide feet
Best running shoes for wide feet

Runners with wide-foot problems struggle to find that perfect, comfortable fit. If your toes need enough room to spread, don’t worry. In this special feature for runners with wide feet, we have you co[…]

Best winter hiking shoes
Best winter hiking shoes

Whether you’re off to the icy trails or just need to protect your feet from the frigid winter weather, we’ve got great picks that will keep your toes warm, cosy, and protected. Built for the winter se[…]

Best snow hiking boots
Best snow hiking boots

Hiking in the snow is a quite beautiful, calming experience. But as the landscape transformed into a cold and slippery yet still magical wonderland, you need to protect your feet with comfortable foot[…]

Best lightweight waterproof hiking shoes
Best lightweight waterproof hiking shoes

Investing in a pair of high-quality waterproof shoes is one of the wisest things you can do for your feet. Whether you’re a seasoned outdoorsy person or a casual weekend warrior, you need to have the[…]

Best hiking shoes for wide feet
Best hiking shoes for wide feet

Give your feet a break from getting squished every time you hit on the trails. Get a glove-like feel with a dependable pair of hiking shoes for wide feet. Ill-fitting shoes can ruin an otherwise great[…]

Best lightweight waterproof hiking boots
Best lightweight waterproof hiking boots

It’s about time to switch from your clunky boots to these top-rated lightweight kicks. Utilising innovative concepts and technological advances in boot-making, giant footwear brands like Lowa, Salomon[…]

Best hiking boots for wide feet
Best hiking boots for wide feet

Get a new pair of boots that fit snugly and offer just enough room to wiggle your toes. As an enthusiastic team of reviewers on RunRepeat, we give our best roundups of wide-toe box hiking boots for ou[…]

Best day hiking shoes
Best day hiking shoes

Of all the off-road adventures we cover here at RunRepeat, day hiking is dearest to our hearts. All you need is a comfortable shoe and a good trail route near you. You simply lace up and just go for a[…]

Best Gore-Tex hiking shoes
Best Gore-Tex hiking shoes

Get ready for wetter weather with Gore-Tex hiking shoes. When your next adventures take you to snowy trails, rainforests, and shallow streams, a pair of hiking shoes with Gore-Tex membranes can be you[…]

Best Gore-Tex hiking boots
Best Gore-Tex hiking boots

Enjoy and conquer the great outdoors with these top-rated Gore-Tex hiking boots. A world-renowned and trusted technology in the outdoor footwear industry, Gore-Tex is a waterproof fabric membrane that[…]

Best summer hiking shoes
Best summer hiking shoes

Are you looking forward to busting some trails this coming summer season? If so, don’t settle for anything less — be in the best hiking shoes possible by considering the summer kicks on display below.[…]

Best backpacking shoes
Best backpacking shoes

Where the trail turns for the worse, but mobility is still high on your hiking preference list, turn to backpacking shoes. After testing and actually backpacking in 10+ trekking kicks, we have chosen[…]

Best backpacking boots
Best backpacking boots

Pack adventures and backcountry trips that last for days need the right gear. In the realm of footwear, backpacking boots are your sure allies. This guide is exclusive to those in dire need of the bes[…]

Best leather hiking boots
Best leather hiking boots

There is just something special about experiencing the great outdoors in a pair of leather hiking boots. These hikers are naturally tough, and their grounded design makes mixing and matching—to comple[…]

Best Altra running shoes
Best Altra running shoes

Whether it’s a trail or road running shoe you’re after, Altra has got you covered. The brand has always been highly regarded for its top-quality, supportive, and comfortable running shoes.  And if you[…]

Best zero drop running shoes
Best zero drop running shoes

Running in zero-drop running shoes is great BUT under a few conditions: you know why you’re doing it and what to expect. Learn more in this guide so you can make an informed decision. Reading Born to[…]

Best mud running shoes
Best mud running shoes

Obstacles come especially when running on trails. One usual kind of obstacle is mud. With that being the case, we created this guide to highlight the features that differentiate mud running shoes from[…]

Best Saucony running shoes
Best Saucony running shoes

With a 120+ year history, Saucony has gained extensive experience in the running shoe industry. Not to mention that it has several lineups that have stood over 10 iterations, retaining a wide fan base[…]

Best lightweight running shoes
Best lightweight running shoes

With lightweight running shoes, you want to feel like you’re not wearing any shoes but still get the needed protection and support. Be it a daily workhorse, a racing flat, or a minimalist trainer, we[…]

Best winter hiking boots
Best winter hiking boots

No one wants cold feet during winter hiking. So, if you want to keep your toes warm and cosy on your next chilly hiking adventure, check out our list of best winter hiking boots. We have tested winter[…]

Best walking shoes for flat feet
Best walking shoes for flat feet

Flat feet (also known as pes planus or pes valgus) are characterised by low arches: feet lay flat on the ground. In this guide, we cover the best walking shoes for flat feet along with an in-depth ove[…]

Best walking shoes for plantar fasciitis
Best walking shoes for plantar fasciitis

Your feet deserve better than the stabbing pain in the heel area. Finding the right shoes is the #1 step to stand in the way of this. Our guide goes in-depth on which shoes are best for plantar fascii[…]

Best running shoes for overpronation
Best running shoes for overpronation

The role of overpronation running shoes is to offer extra support which prevents excessive inward rolling of the foot. They help to lower the risk of injury and discomfort by using supportive elements[…]

Best neutral running shoes
Best neutral running shoes

Neutral running shoes are intended for people with neutral pronation, when the foot is not rolling inwards excessively. These shoes have no additional stabilisers or foot guiding features. Making up a[…]

Best waterproof hiking shoes
Best waterproof hiking shoes

Some hikes are ruined by even light rain or morning dew. Not to mention rain showers. Your feet get soaked, and cold, and even blisters appear. That’s where waterproof hiking shoes enter the scene. To[…]

Best lightweight hiking shoes
Best lightweight hiking shoes

The best middle ground of trail running shoes and hiking shoes is lightweight hiking shoes. What’s not to love: they are light + offer rigid soles usually. In this guide, we explained which lightweigh[…]

Best lightweight hiking boots
Best lightweight hiking boots

Traditional hiking boots are clunky and heavy. Sure, they are made for more demanding conditions and terrains, but that doesn’t mean we need them all the time. Enters lightweight hiking boots. Somethi[…]

Best running shoes for high arches
Best running shoes for high arches

The high-arched feet, or cavus feet, have arches (soles) that are higher than normal. This leads to uneven pressure distribution in the feet, which might cause pain and balance issues. Not every high-[…]

Best treadmill running shoes
Best treadmill running shoes

Running on a treadmill resembles road running more than trail running because there are no twists, turns, puddles, or obstacles. Ideal for speed runs! But, the surface is softer than roads. That’s why[…]

Best marathon running shoes
Best marathon running shoes

Having a distance of 42 kilometres or 26 miles, a marathon is a long-distance road race. You definitely need more than just a comfortable shoe for this effort. It might be a max-cushioned cruiser that[…]

Best cushioned running shoes
Best cushioned running shoes

Cushioning is what makes the shoes comfortable, soft, and bouncy. Some cushioning units help you feel nice and pampered on those slow recovery days. Others encourage you to speed up, feeling like smal[…]

Best cheap running shoes
Best cheap running shoes

Running can be cheap. Especially if you’re not chasing records or racing competitively. A cheap pair of running shoes might perfectly accompany you on your occasional runs along with casual walks and[…]

Best hiking shoes
Best hiking shoes

Nowadays, exploring the outdoors is one of the many things included in people’s to-do lists. When it comes to getting the right footgear though, many are still at a loss. But don’t fret. Choosing the[…]

Best waterproof hiking boots
Best waterproof hiking boots

Other than keeping your feet nice and dry, waterproof hiking boots come in a variety of designs to match different types of hiking adventures. That being said, we have created a guide that will help y[…]

Best hiking sandals
Best hiking sandals

Finding the best hiking sandal can be a drag considering the many options available. But having the basic know-how of what hiking sandals are all about would make a whole lot of difference. To help yo[…]

Best hiking boots
Best hiking boots

Confused about what to buy after seeing the hundreds of boots available online? Well, worry not. Whether you’re a beginner hiker planning to go on a nature walk or an experienced backpacker looking fo[…]

Best running shoes for plantar fasciitis
Best running shoes for plantar fasciitis

Based on studies, plantar fasciitis affects 1 in every 10 adults, both men and women. Whether you are an athlete or not, one of the ways to reduce plantar fasciitis is to wear comfortable shoes. In ou[…]

Best running shoes for flat feet
Best running shoes for flat feet

Feeling comfortably supported becomes a priority when you have flat feet. We want to make sure that every flat-footed runner receives the right kind of support from their next pair of shoes. Equipped[…]