Coaching
Want Arj in your corner? 1-2-1 and group coaching is delivered through Performance Physique in Solihull and online.
Visit Performance Physique ↗Arj
Thiruchelvam
Performance Coach
BBC contributor · Bloomsbury Sport author · National Running Show speaker
The performance coach your audience already trusts.
Elite coaching for personal best results.
No jargon, no myths. I turn sports science into advice people can actually use, for everyone from beginners to Olympic athletes, on the BBC, on stage and in print.
As seen on BBC News
Sebastian Sawe’s marathon record
Studio interview, April 2026
Heard on and featured in
BBC NewsBBC Radio 5 LiveBBC Radio LondonSky NewsThe TimesThe TelegraphThe IndependentMarie Claire
410m+Estimated media reach since 2020
370+Media features since 2020
11,000+Combined social and email community
4xNational Running Show speaker, 2024 to 2027
01Work with Arj
Credible expertise, real reach
Building a brand, planning an event or producing a programme? The approach is the same: test, explain, deliver.
Partnerships
Ambassador, content and event partnerships with running, nutrition, apparel and health brands. A credible expert voice with BBC-level media reach and live event audiences.
Partnership detailsSpeaking
Talks, hosting and panels for running events, clubs and corporate wellbeing days. Four consecutive years as a trusted National Running Show speaker.
Talks and topicsMedia
Expert commentary for TV, radio, print and podcasts, from BBC News to Marie Claire. Clear, credible and available at short notice.
Media and press kitBrand partners
Fuel10k
Enertor
Out’n’About
Medichecks
02Elite athletes
Coaching with and alongside the best
From GB athletes Arj coaches to world champions he shares the stage with.
Photo with Dafne Schippers after IRX 2026
03Speaking and media
Bring out the elite athlete in you
On stage at the National Running Show and the International Running Expo, on air with BBC News and BBC Radio 5 Live, in print from The Times to Marie Claire. Arj is the performance expert organisers, producers and editors come back to.
Watch the talkChasing the PB: the science-backed training behind becoming a stronger runner
- BBC News ChannelLive from his studio on Sebastian Sawe’s marathon record
- BBC Radio LondonLondon Marathon series and live at the finish line
- BBC Radio 5 LiveWith Nicky Campbell, April 2026
- Newstalk IrelandOff The Ball: how Sebastian Sawe broke the 2-hour marathon
Opening the inaugural International Running Expo, Amsterdam 2025
What event organisers say
“We love having Arj involved and are truly lucky for the partnership. We think he’s great, such a good presenter and brings so much energy to the stage.”
“We absolutely loved having him as part of 2025 and would love to continue this partnership for IRX this year.”
04Bloomsbury Sport · Out 3 December 2026
Strength and Conditioning for Teenagers
Maximise performance and increase resilience
Learn how to train like an athlete. Training, nutrition, supplements and mindset for young athletes, with a 12-week programme to build a head start in sport and confidence.
Inside the book05Enquiries
Tell me what you’re building
Partnerships, speaking or media. Share the brief and I’ll come back to you directly.