Jetstream Tri Club presents

The Hatch End-Harrow Triathlon - Sunday, 10 May 2026

Ready to boost your race confidence or kick off the season? This friendly, pool-based event is perfect for beginners and juniors, and a favourite warm-up for experienced triathletes.

Highlights: **Adults: Mixed relay option (see FAQs) **Juniors: Age-adjusted distances on safe playing fields.

Early Bird discount for adults until 31 January!

Race Distances & Entry Fees

*British Triathlon Federation Race Pass fees added at checkout. See FAQs for more info.

Proudly supporting St Luke’s Hospice - caring for people with life-limiting illnesses, and their families.

Click to DONATE NOW or make your contribution at checkout.

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!! Brand New for 2026 Hatch End-Harrow Triathlon Participants !! 

Jetstream Tri Club presents

Couch to Tri-K

Unleash your race-day potential with this dynamic 8-week training programme designed to get you ready for race day. Created by certified triathlon coaches, Couch to Tri-K provides easy-to-follow training plans, videos and optional in-person sessions. Couch to Tri-K is suitable for adults of all abilities, as every session is guided by your own perceived effort, from 'easy' to 'flat-out'.                

GO HERE & click on each image for a sneak preview of the week 1 training plan!

Adult Early Bird price until 31 January: £20. From 1 February: £25.

Select Couch to Tri-K at checkout. 

Conditions apply - see FAQs for more information.