Tempo is an intensity that means different things to different athletes and coaches. For me, I define Tempo as an effort comfortably below the Threshold pace. It is the sort of intensity that if you had to you could maintain for a duration longer than a half marathon. It is higher than the aerobic running pace, sort of in the mid-zone between the two levels. Spending more than 15-20 minutes at this intensity, helps the body practice clearing the small amount of lactic acid generated at this pace, without needing to slow down to do so. This is a perfect session for runners and triathletes running events up to full marathons and further.
Each week I will be posting the Friday Fartlek Run Sessions that you can do to enhance your running. Fartlek is a Swedish term that is often used by runners and it means speed-play. See a previous post about training intensity (levels) to know how hard to work.

20/15min Tempo Run Intervals
- 10min WU Level II;
- 20min Level III, 2:30min Level II RI;
- 15min Level III;
- 10min CD Level II;
- 10min Stretching
The Warm Up (WU) should be done at an intensity that is steady but not over consuming at Level II for ten minutes.
The main set is made up of two reps run at Level III. The first rep is twenty-minutes long and the second is fifteen-minutes long. Take a two and a half minute Rest Interval (RI) between reps.
The Cool Down (CD) is at low-intensity jogging (Level II) for a minimum of ten minutes.
Finish with 10 minutes of stretching to assist with the recovery.
If you would like further advice feel free to contact me.
I am the Head Coach & Director of Qwik Kiwi – Endurance Sports Consultant.
I specialise in assisting first-timers and recreational athletes to achieve their sporting goals. I can be contacted at coachray@coachray.nz and 021 348 729.
Share this post so your friends can benefit as well.
Download the Garmin (.FIT) and Zwift (.ZWO) files for this workout for FREE
🏊♀️🚴♂️🏃♀️ Triathlete’s Half Marathon Builder 🏃♂️🚴♀️🏊♂️
An 18-Week Plan to Build Endurance, Speed, and Confidence for Your Off-Season Half Marathon
Ready to take your triathlon training to the next level, even during the off-season? Whether you’re an experienced triathlete or a passionate multisport athlete, this plan is designed to build your endurance and boost your speed as you prepare for a successful half marathon. 🏅
What’s included in the plan?
✔️ 18 weeks of structured training designed for triathletes
✔️ Focus on building running endurance without sacrificing swim and bike performance
✔️ A perfect blend of swim, bike, and run workouts to keep you race-ready in all disciplines
✔️ Speed work and long runs to boost your half marathon time ⏱️
✔️ Weekly progressions to ensure gradual improvement, avoiding burnout and injury 🚑
✔️ Strength and mobility sessions to keep you strong, flexible, and injury-free 💪🤸♀️
Why choose this plan?
🔹 Train like a triathlete while preparing for a stand-alone half marathon 🏃♀️🏃♂️
🔹 Progress at your own pace – the plan adapts to your current fitness level
🔹 Access to a community of athletes for support, motivation, and tips 🎯
🔹 Regular group coaching calls with Coach Ray for personalized advice 📞
🔹 Complete off-season transformation – keep your training fresh, exciting, and goal-oriented 🎯
This plan is perfect for triathletes looking to stay fit during the off-season while improving your running without neglecting your swim and bike fitness. Whether you’re gunning for a PB or just looking to complete the race with confidence, this plan has you covered. 🏆
Ready to build your strongest off-season race yet? Sign up for Triathlete’s Half Marathon Builder today and let’s make your half marathon dreams a reality! 🌟