# London T100 Triathlon 2027: registration status, dates and how to enter

Not right now. London T100 Triathlon 2027 is not taking entries as of 2026-10-27; the status has read registration closed since at least 2026-10-27; race day 2027-08-21.

- Organiser: T100 Triathlon World Tour
- Sport: triathlon
- Where: London, GB
- Site: https://t100triathlon.com/london/participate/
- Registration page: https://t100triathlon.com/london/participate/
- Race day: 2027-08-21
- Registration status: registration closed (checked 2026-10-27)
- Entry route: first-come

Age-group London Triathlon, 21-22 August 2027 (londontriathlon.co.uk redirects here; listed among LME events). Priority-access sign-up only; entries not live. Page header also lists other T100 races with 'Register now'.

## Quick answers

**Is London T100 Triathlon 2027 registration open?**

Not right now. London T100 Triathlon 2027 is not taking entries as of 2026-10-27; the status has read registration closed since at least 2026-10-27; race day 2027-08-21.

**How do you get a place in London T100 Triathlon 2027?**

Entries are first come, first served. Age-group London Triathlon, 21-22 August 2027 (londontriathlon.co.uk redirects here; listed among LME events). Priority-access sign-up only; entries not live. Page header also lists other T100 races with 'Register now'.

**How can I be alerted when London T100 Triathlon 2027 registration changes?**

Race Entry Watch reads London T100 Triathlon 2027's registration page every night, hourly in the week before a stated opening date and every ten minutes on the day itself, and records the sentences about entries that appear on it. A free weekly digest is on this page; the same-day email, the moment it opens, closes or sells out, is 4 USD a month or a 30-day pass for 5 USD at https://bikoosh.com/races/london-t100-triathlon.

## Sources

- https://t100triathlon.com/london/participate/ (read 2026-10-27)

## Changes

- 2026-10-27: record added

Canonical: https://bikoosh.com/races/london-t100-triathlon
Race Entry Watch is an independent, sourced tracker, not affiliated with any organiser. Every status is read on the event's own registration page on the date shown; dates and fees are quoted as the organiser states them; an entry is yours to make on the organiser's site.