Run your best race with Forth Edge
Run your best, recover well and avoid injury with biomarker insight and expert advice from Forth Edge


Running Male
Get insight into your full physical state so you can run further, faster and avoid burning out
Running Female
Know your body better with biomarkers that indicate your healthy hormone and nutrient levels for peak performance
Knowing that your body has what it needs to train smart and recover well will give you the confidence you need to achieve your best-ever season.
Whether your goals are to increase your speed or distances this year, Forth Edge can help you identify areas for improvement and build a strong and sustainable foundation upon which to build success.
What biomarkers are important for runners?
Endurance, stamina, efficiency and fatigue-resistance are key attributes of the successful runner.
Forth Edge can help you check and monitor the biomarkers that give you insight into how your body uses energy, recovers from exertion, responds to stress and more. Ensure you’re getting the right micronutrients you need such as vitamin D and iron, and tailor your diet and training with advice from our specialist sports-science team.


How often should I test?
The best results come from identifying your own unique biomarker profile and learning how individual deviations impact your training and recovery.
Regular testing will establish a personal baseline and allow you to chart your progress over time, get a snapshot of how recovery is progressing, or ensure the balance between training, recovery and nutrition is optimal.
Forth Edge recommends testing every 3 months throughout the year.
How Forth Edge works
Order your test
Choose a test to suit your sport or design your own bespoke profile.
Take your sample
A safe, easy-to-use kit makes taking your sample at home simple and convenient.
View your results
View your results on your app and learn more about how biomarkers affect your performance.
Watch our short video to see how our test kit works
Your personal sports-science team, in your pocket

Sample at home and get your results quickly
The easy-to-use Forth Edge test kit allows you to collect the sample at home and post it directly to our accredited laboratories. Processing and analysis takes only two days, and our unique app interface lets you see your results at a glance, or dive deeper for more insight into what each marker means for you, your training and racing.
Expert advice and analysis
Our team of sports medicine experts will analyse your unique biomarker profile, interpreting the results and providing evidence-based advice so you feel empowered to optimise your health and performance.


Your biomarker data when you need it
Using cutting-edge technology we’ve developed an app and interface that puts you in control of your biomarker profile, and with regular testing you can build up an accurate picture of how your body responds to training. Whether you’re monitoring across a season, recovering from injury or keen to train sustainably, Forth Edge can help you make the most of your hard work.
Science-based knowledge to help you train smarter
Safe and simple at-home sample collection
Our easy-to-use kits make collecting your sample and sending it to our labs quick and convenient.
World-class facilities, accurate results
Our accredited labs use the latest analytical technology and techniques to process your sample, giving accurate and insightful results in only two days
Expert sports science advice, tailored to you
The Forth Edge medical team consists of world-leading experts in their fields, including nutrition, endocrinology and sample analysis techniques. They interpret your readings to provide advice that’s specific to you.
The information you need at your fingertips
A user-friendly app that displays all the key biomarker data you need for your sport, compared against the average user for your age and gender set
Discover your unique biological profile
Test regularly, and you’ll get to know your body like never before. You’ll understand what it needs, and how to train and race sustainably while optimising your performance.

Taking the best to new heights
We work with professional athletes and fitness enthusiasts to help them reach new levels of performance
Simone Mitchell
“I use Forth Edge to monitor my wellbeing, body stress levels and make sure my biomarkers are as they should be throughout the year. My key focus is to ensure my body’s recovery is continually monitored to prevent injuries and to ensure I am performing at my very best. I know that with regular biomarking testing with Forth Edge I have left no stone unturned and can fully commit to delivering my very best performance in training and at races”
- 2019 IRONMAN WALES PRO WINNER
Harry Tanfield
“I find the information about my blood values at different points in the season very valuable; it helps me guide my training and monitor the training load. Equally my nutritionist, coach and gym coach use this information to better enable them to direct my training. It’s a complete team effort and Forth Edge makes this possible. Plus the test is super quick and easy.”
- 2018 BRITISH NATIONAL TRACK CHAMPION, INDIVIDUAL PURSUIT
Tom Evans
“As a professional athlete I need to ensure that I’m looking after my body throughout the year. Being an ultra runner, my training volume is high (225km average per week) and it’s essential to stay healthy. This is where Forth Edge has helped me; my first test showed that my iron levels were low and I have now been able to improve them which has really helped my performance. It’s an essential part of my training and racing as an endurance athlete!”
- 3RD AT 2018 ULTRA MARATHON WORLD CHAMPIONSHIPS
Our ambassadors work with us to improve our products and services so all Forth customers get the edge they need
Running Male
Get insight into your full physical state so you can run further, faster and avoid burning out
Running Female
Know your body better with biomarkers that indicate your healthy hormone and nutrient levels for peak performance