JL Performance Labs
JL Performance Labs

Endurance coaching · Triathlon · 70.3 · Ironman

Train with
intent.

One-to-one coaching for triathletes, runners and future Ironman athletes. Structured TrainingPeaks plans built around the hours you actually have, reviewed with you every week.

Coaching options

Your goals. Your life. Your coaching.

Individualised coaching for triathlon, cycling and running. Both options provide the same quality of planning, personal support and race preparation. Choose the level of flexibility and coach access that suits you.

Personal coaching. Consistent progress.

JL Coaching

A complete coaching service built around your goals, ability, work, family and available training time.

  • Individualised training plan delivered through TrainingPeaks athlete account.
  • Training reviewed and adjusted at least weekly.
  • Weekly written check-in.
  • Monthly coaching call.
  • WhatsApp coach support, with replies as soon as reasonably possible and a guaranteed response within 24 hours.
£200/month
Enquire about JL Coaching

Personal coaching. More flexibility throughout your week.

JL Performance

The same complete coaching service, with more opportunities to review, talk and adjust as training and life change.

Everything in JL Coaching, with:

  • Continual training review, with adjustments available throughout the week as training, work, family or social circumstances change.
  • Additional coaching calls on request, alongside your monthly call.
  • TrainingPeaks Premium included.
  • Priority WhatsApp coach support, with the same guaranteed response within 24 hours.
£225/month
Enquire about JL Performance

Not sure which suits you? Tell me about your goals and how your week works, and we’ll discuss the right fit.

Enquire about coaching

Why JL Performance Labs

Built around your life

Training fits your hours, travel and recovery — not a generic template.

Coach feedback, not just files

Every check-in gets read and replied to, so you know what to change and why.

TrainingPeaks delivery

Sessions arrive in the calendar you already use, with data behind each decision.

Athlete feedback

Eilidh celebrating at the IRONMAN Tallinn 70.3 finish line
“Jonny coached me towards my first triathlon and I couldn't recommend him highly enough. Extremely knowledgeable, communication second to none, and he tailored training around work, social life, illness and injuries.”

Eilidh · IRONMAN Tallinn 70.3

Read athlete testimonials

How coaching works

01

Get in touch

Tell me your goals, race calendar and available hours. We'll agree if coaching is the right fit.

02

Onboard

Complete the onboarding workbook in the portal so I can build a plan around your life and history.

03

Train & check in

Your plan lands in TrainingPeaks. Weekly, monthly and post-event check-ins keep me close to how you're coping.

04

Review & adjust

I read every check-in, reply with feedback and adapt the plan so it keeps pointing at your next race.

Triathlon finish time calculator

Estimate your race finish time from swim pace, bike speed and run pace. Sprint, Olympic, 70.3, 140.6 or custom distance.

Open calculator

Ready when you are

Take on your next race

Send an enquiry with your goals and available hours, and we'll work out the right plan.

Enquire now

Already coached by me?

Athlete portal

Sign in to complete your onboarding workbook, submit check-ins and read coach feedback. New athletes join by invite — send an enquiry and I'll email you a link.