# When does Inferno Triathlon 2027 registration open?

Registration for Inferno Triathlon 2027 opens on 2026-11-11, the organiser's date (in 15 days).

- Organiser: Inferno Triathlon
- Sport: triathlon
- Where: Mürren, CH
- Site: https://inferno.ch/
- Registration page: https://inferno.ch/
- Race day: 2027-08-20
- Registration status: registration closed (checked 2026-10-27)
- Entry route: first-come
- Registration window: 2026-11-11 to ?

Event 20. - 22. August 2027 (Thun to Schilthorn); race_date is the first stated day.

## Quick answers

**When does Inferno Triathlon 2027 registration open?**

Registration for Inferno Triathlon 2027 opens on 2026-11-11, the organiser's date (in 15 days).

**How do I find out the moment Inferno Triathlon 2027 registration opens?**

Race Entry Watch reads the registration page every night, hourly in the week before a stated opening date and every ten minutes on the day itself. The free weekly digest is on this page; the same-day email, the moment it opens, is the membership (4 USD a month) or a 30-day pass (5 USD once).

## Sources

- https://inferno.ch/ (read 2026-10-27)

## Changes

- 2026-10-27: record added

Canonical: https://bikoosh.com/races/when-does-inferno-triathlon-registration-open
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.