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Can Functional Threshold Power Replace Lactate Threshold Testing?
When it comes to endurance cycling, knowing your threshold is very important. If you're an athlete chasing performance, threshold data...

Graham O’ Brien
3 days ago2 min read


The Role of Strength & Conditioning in Amateur Cycling
When many cyclists think of strength training, they think of DOMS or gaining unnecessary upper or lower body mass that will have a...

Graham O’ Brien
May 265 min read


OBN Cycling Tips: Training with Heart Rate vs a Power Meter
If I could pick one tool that would have the biggest benefit for you maximising your performance on the bike in training, it wouldn't be...

Graham O’ Brien
Apr 93 min read


Cycling Coaching - The Elite Endurance Programme
The most popular coaching programme I currently run for racing cyclists is the 'Elite Endurance Programme'. This includes fully...

Graham O’ Brien
Mar 123 min read


Glasgow: 1 Week Out - An Update
Since coming home from NYC, I managed 4 solid weeks of training with 11 hours per week. I've got the body in a good place at the moment...

Graham O’ Brien
Mar 41 min read


The Buildup - Hyrox Glasgow - Week 3
The third week of specific prep for Glasgow brought some noticeable changes in VO2 Max and pace at threshold during the running splits...

Graham O’ Brien
Jan 292 min read


The Buildup - Week 2: Hyrox Glasgow
Week 2 - 13th - 19th January Week 2 completed in the specific prep for Glasgow and a week where the body started to slightly feel the...

Graham O’ Brien
Jan 202 min read


Understanding Energy Systems: How Your Body Fuels Exercise Over Time
Have you ever wondered how your body powers through a sprint on the bike, a heavy gym session, or a long distance run? The secret lies in...

Graham O’ Brien
Jan 152 min read


The Buildup: Hyrox Glasgow
2024 was one of the busiest years of my life, completing a full-time MSc, working as a strength & conditioning coach/endurance coach and...

Graham O’ Brien
Jan 134 min read


Youth Strength & Conditioning: Is It Safe For Young Athletes to Lift Weights ?
Even today it is common for many gyms to not allow youth athletes lift weights unless they are over the age of 16. Within the field of...

Graham O’ Brien
Jan 92 min read


The Role of Technology in Training: Endurance Apps
The daily approach to training in 2024 is very different to the approach to training in 2004, technology has brought about a big change...

Graham O’ Brien
Sep 26, 20244 min read


The Importance of Having Structure in Your Training as an Athlete
Do you go training session to training session without a plan ? Do you even know what your next session is going to be or do you make it...

Graham O’ Brien
Sep 20, 20243 min read


Understanding TrainingPeaks Metrics: CTL, ATL & TSB
If you are involved in endurance sport, chances are you have used TrainingPeaks. Either as an athlete tracking your training or a coach...

Graham O’ Brien
Sep 4, 20244 min read


#ROADTO1 : Maintaining Consistency without Competition
At the beginning of 2024 I decided to put competing in cycling and running on hold in order to fully focus on achieving the best possible...

Graham O’ Brien
Aug 30, 20244 min read


Communicating with Athletes as a Sports Scientist
I've been on both ends of the stick, firstly as a young athlete receiving regular feedback from sports scientists and now as a sports...

Graham O’ Brien
Aug 26, 20242 min read


Training for L'Etape Ireland 2024 ?
6 Weeks to get in Shape Training tips for one of the summers biggest sportives in Ireland. Just signed up to L'Etape Ireland ? You've got...

Graham O’ Brien
Jul 27, 20243 min read
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