Paul Ronto

Paul Ronto
Over the past 20 years, Paul has climbed, hiked, and run all over the world. He has summited peaks throughout the Americas, trekked through Africa, and tested his endurance in 24-hour trail races as well as 6 marathons. On average, he runs 30-50 miles a week in the foothills of Northern Colorado. His research is regularly cited in The New York Times, Washington Post, National Geographic, etc. On top of this, Paul is leading the running shoe lab where he cuts shoes apart and analyzes every detail of the shoes that you might buy.

Articles

Hiking in the US has Never Been More Popular [Study]
Hiking in the US has Never Been More Popular [Study]

We’ve partnered with AllTrails, the largest hiking and trail-specific navigation app, to explore what effect COVID-19 has had on hiking since the pandemic started. To do this we’ve analyze[…]

Runners Find Little Need for Gyms in 2021
Runners Find Little Need for Gyms in 2021

Back in April we surveyed 12,913 people and found that moderate runners (those running just 1-3 times a week) prior to the lockdown were finding more time to run and as a group were logging 55% more r[…]

Exercise is Up 88% During COVID-19 [12,913 Person Study]
Exercise is Up 88% During COVID-19 [12,913 Person Study]

The world is in crisis because of the COVID-19 pandemic. Between government lockdowns, layoffs, furloughs, work from home mandates, school closures, and sports facility shutdowns, we wanted to underst[…]

Which Runners are the Most Obssessed?
Which Runners are the Most Obssessed?

This stats page is a simple look at the participation patterns of runners in the 5 most common distances - 5K, 10K, Half marathon, Marathon and Ultra. In the next tables, we show what % of the runners[…]

The State of Ultra Running 2020
The State of Ultra Running 2020

NEW: The State of US Marathons 2025 In this study, we explore the trends in ultra running over the last 23 years. We have analyzed 5,010,730 results from 15,451 ultra running events, making this the l[…]

The Ultimate Guide to Merino Wool
The Ultimate Guide to Merino Wool

Technical gear is made from dozens of materials and fibers. It’s dyed, woven, and sewn into millions of pieces of clothing designed to keep us comfortable while we play, train, and explore. We a[…]

114 of the Best Hiking and Adventure Quotes of All Time
114 of the Best Hiking and Adventure Quotes of All Time

From time to time we all need a little inspiration, so we’ve assembled the largest collection of adventure and hiking quotes on the web. These quotes are by famous naturalists like John Muir, cl[…]

Ditch the Polar Vortex: 5 Best Winter Hiking Destinations in the US
Ditch the Polar Vortex: 5 Best Winter Hiking Destinations in the US

Across the United States, there are countless locations for those who are diehard fanatics to hike during the cold winter months. Challenging and as icy cold as a fireless hearth, these trails are ide[…]

America’s 15 Most Livable Hiking Towns
America’s 15 Most Livable Hiking Towns

If hiking is your true passion, look no further. We’ve scoured the web and created the ultimate list of places to live for the true trail addict. Why wait until you retire to do the things you l[…]

101 Tips to Hike (Like a Pro) With Your Kids
101 Tips to Hike (Like a Pro) With Your Kids

You used to love getting out onto the trail, letting the sun warm your skin, and exploring nature. Then you had kids… Now you’re unsure how to still have fun in the sun with Jr. in tow. D[…]

How Much is Climate Change Slowing Down Runners
How Much is Climate Change Slowing Down Runners

We’ve analyzed 19.6 million marathon results from over 30,000 marathons. In our new study, we concluded that the world is getting slower. In this article, we look at how the slow down is affecte[…]

Guides

Best running shoes for spartan race (OCR)
Best running shoes for spartan race (OCR)

When the arena is all muddy and you have your game face on, you can't be wearing just any random pair. No, you need to be in the best Spartan Race (OCR) running shoes on the market. We've tested multi[…]

Best New Balance trail running shoes
Best New Balance trail running shoes

It’s no surprise - New Balance creates some of the best road running shoes. And when it comes to trail running shoes, the brand doesn’t hold back. New Balance trail shoes are plenty durabl[…]

Lab tests and in-depth reviews

Teva Hurricane XLT2
89
Great!

We appreciate how the Teva Hurricane XLT2 performs exceptionally on our hikes despite coming at a bargain price. With its superb arch support, nicely tractioned outsole, and customizable fit, this san[…]

Nike Run Swift 2
82
Good!

Budget, comfort, and style are all wrapped into one simple design - this is what I concluded after testing the Nike Run Swift 2. I discovered that it is an entry-level shoe with some decent elements a[…]

Brooks Ghost 14
90
Superb!

The Ghost 14 from Brooks really fits the bill as the shoe for all runners. I love this workhorse as it is comfy enough for easy days, responsive for tempo sessions, and heavy-duty to handle light trai[…]

Nike Free Run 5.0
81
Good!

Ah, the Nike Free Run… For me, calling this a running shoe is a stretch, but it came to my attention that there’s still a vestige of folks out there in the minimalist fan group that likes[…]

Saucony Endorphin Trail
85
Good!

Aggressive!!! That’s the first impression that I had about the Endorphin Trail. With the shoe's meaty, deep lugs, and thick, dense midsole, it flies down any terrain I can throw at it. It’[…]

Saucony Endorphin Speed 2
91
Superb!

A tempo trainer and a race day shoe? Take both in the Endorphin Speed 2. After pacing it through, this shoe proved itself a star in speed, responsiveness, and durability. It literally sends me flying[…]

Adidas Terrex Speed Ultra
90
Superb!

I discovered that most trail runners haven't been very keen on Adidas trail shoes. They seemed like an afterthought given that the brand's focus was admittedly on sneakers and soccer cleats. But then[…]

Nike ZoomX Vaporfly NEXT% 2
91
Superb!

The Nike ZoomX Vaporfly NEXT% 2 is probably one of the fastest shoes on the market, but I discovered some problems: It’s unstable, a bit too narrow still, looks ridiculous, and hits the pocketbo[…]

Saucony Freedom 4
86
Great!

If the Saucony Freedom 4 was judged by its comfort alone, then I believe this would be a top-notch shoe. But it is meant as a running shoe and I found that it just falls short on performance. But if y[…]

PUMA Deviate Nitro
91
Superb!

A union of max cushioning and cutting-edge tech, hello PUMA Deviate Nitro! The cat is out of the bag, and this time, it didn't come to play. I found it extremely versatile and EXCELS as a daily traine[…]