Jessica has been a fitness writer at Tom’s Guide since 2023, bringing three years of experience writing about health, fitness, and the great outdoors. Her passion for exercise began during her childhood, where she spent weekends hiking and competing in local athletics club events. After earning a master’s degree in journalism from Cardiff University, Jessica found the perfect way to combine her love of storytelling and fitness into a career.
Jessica is passionate about testing fitness gear and tech, using her reviews to help readers make informed buying decisions. She ran her first marathon in April 2024, finishing it in 3 hours and 48 minutes. Through her training, she’s developed a deep understanding of what it takes to grow as a runner, from effective workouts and recovery techniques to selecting the right gear for every challenge.
When she’s not at her desk, Jessica enjoys spending time in the kitchen crafting new recipes, braving cold water swims and hiking.
Latest articles by Jessica Downey

These 3 running shoes defined my marathon training this year — here’s why they worked so well
By Jessica Downey published
I’ve never really had a proper running shoe rotation, but this year three pairs stood out. From marathon training to racing to hitting the trails, these are the shoes that defined my 2025 running.

I’m not buying the Apple Watch Ultra 3 — here’s why my Garmin Fenix is staying put on my wrist
By Jessica Downey published
The Apple Watch Ultra 3 looks slick and has some tempting new features, but here’s a list of the things that made me stick with my Garmin.

The best Nike running shoes in 2025
By Nick Harris-Fry last updated
Looking into buying a record breaking Nike running shoe or just want a reliable trainer to level up your running journey? We've tested them out for you — here's our top picks.

The best running headphones in 2025
By Nick Harris-Fry last updated
I've tested the best running headphones to help you find a set that'll suit your training, last through even the longest sessions, and help you stay motivated on your run.

Best running watches 2025: which one is right for you?
By Jessica Downey last updated
We’ve done the legwork to find the right watch for your training. Here's our guide to the best running watches in 2025.

Trainer reveals a standing abs routine that actually strengthens your deep core
By Jessica Downey published
If you’re over the same old sit-ups and crunches, why not invite a kettlebell into your core training? Here’s a simple workout to help you ramp up those gains.

I added the figure-4 stretch to my mobility routine — here's what happened to my hips and glutes
By Jessica Downey last updated
I’m addicted to how good the figure-four stretch makes my hips and glutes feel. Here’s how to do it.

No, you don't need the gym — here's the 15-minute wall Pilates routine that builds strength and mobility after 40
By Jessica Downey published
This short Pilates workout, created by a certified instructor, is built to keep your muscles strong and boost mobility after 40.

Forget '75 Hard' — TikTok’s new ‘Great Lock-In’ fitness challenge is here, and I asked the experts if it’s worth your time
By Jessica Downey published
Thinking about joining the 'Great Lock-In' craze on TikTok right now? Here are the pros and cons, plus some advice from two experts.

This trainer's 20-minute workout strengthens your core, improves endurance, and fires up your abs
By Jessica Downey published
If you've got a spare 20 minutes, grab a mat and try this trainer's five-move routine to strengthen your core and tone your midsection without any weights.

How adding structure to your workouts may slow biological aging
By Jessica Downey published
While daily movement has benefits, scientists say structured exercise offers the strongest anti-aging effects.

Yoga instructor says this 5-minute bedtime routine will ‘soothe the nervous system and ease physical tension’ — and you don't need any equipment
By Jessica Downey published
This five-minute yoga routine from instructor Leanne Lent helps you relax into a peaceful sleep, and you don't even need to leave your bed.

This Easy Strava Trick Means I Never Miss a Run — How to Add the Strava Widget to Your iPhone Homescreen
By Jessica Downey published
I’ll show you how to add the Strava widget to your iPhone homescreen so your workouts are always visible at a glance, even when you’d rather ignore your weekly mileage. (Sorry!)

Everyone’s running in the same 3 shoe brands — and honestly, we get it
By Jessica Downey published
Strava’s mid-year report shows Asics, Nike, and Hoka leading the pack for most-logged running shoes in 2025.

I Asked a Muscle-Building Expert How to Train Your Core For Real Strength — Here’s the 5 Moves They Swear By
By Jessica Downey published
I asked a muscle-building expert to cut to the chase and share the moves he thinks build 'real' core strength. Here are the five ab-busting moves he swears by.

A muscle building expert shares 3 simple tips to keep building muscle after 40
By Jessica Downey published
According to a muscle-building expert, these are the 3 tips you need to build and maintain strength after 40.

Forget sit-ups — a personal trainer shares 5 bodyweight moves you need to build a stronger core
By Jessica Downey published
A trainer's 5-move recipe for a stronger core

I asked a trainer how to stay strong after 40 — they answered with a 7-move dumbbell workout
By Jessica Downey published
Trainer Kirra Mitlo shares a simple 7-move dumbbell routine to help you build strength and stay strong at any stage of life.

Sleep Better Tonight: Scientists Reveal the 30-Minute Workout That's a Game-Changer!
By Jessica Downey last updated
Researchers say just two short sessions of yoga a week could be the key to better sleep.

Unlock Mobility: Try This Quick 15-Minute Yoga Flow to Ease Stiffness and Tension
By Jessica Downey last updated
Designed by a yoga coach, this quick routine unlocks tight muscles and leaves you moving more freely — all in just 15 minutes.

This simple walking change could help reduce your knee pain — here’s what the science says
By Jessica Downey published
Do you struggle with knee pain? Scientists say a small stride adjustment may bring relief.

How 9 minutes of daily HIIT may improve kids’ brain function and learning, according to research
By Jessica Downey published
Researchers say nine minutes of exercise may be enough to boost children’s mood and cognitive skills.

I sit at a desk all day, and this is the 1 kettlebell exercise I swear by to boost my upper body mobility and build shoulder strength
By Jessica Downey published
A PT recommended this move to me years ago and it’s been my go-to for easing stiffness and improving shoulder mobility
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