Race Entry Watch · half marathon · Cardiff, GB
Cardiff Half Marathon 2027: is registration open?
Sold out. Cardiff Half Marathon 2027 is sold out as of 2026-10-25; the status has read sold out since at least 2026-10-25; closes 2027-09-01, the ballot runs 2026-10-01 to 2026-10-18, ballot results 2026-10-22, race day 2027-10-03.
Registration opened in October for the 2027 edition (2026-10-01).
The organiser's registration page The short answer
| Organiser | Run 4 Wales |
| Race day | 2027-10-03 |
| Registration | sold out, checked |
| Entry route | mixed |
| Window, as stated | ? to 2027-09-01 |
| Ballot, as stated | 2026-10-01 to 2026-10-18, results 2026-10-22. UK ballot entry £59, international £70, plus platform admin fee |
| Entry fee, as stated | UK Ballot Entry: £59* (source) |
| Places, as stated | not stated |
Non-ballot routes: NSPCC fundraiser place £40 (skip ballot), Welsh Athletics entry £54, training/distance bundles; general registration deadline 1 Sep 2027.
Want it the same day it happens? Race Entry Watch alerts: same-day email the moment a race registration or ballot you follow opens, closes or sells out, read on the organiser's own page every ten minutes around its stated dates, plus the sentences that appear on that page, for 4 USD a month or 19 USD a year. Get the membership (or 19 USD a year). Or a 30-day pass for 5 USD once, nothing renews: Get the pass. The checkout is the Race Entry Watch membership on Gumroad. Alerts switch on by themselves within a minute of payment, for the email you pay with; if they do not, https://bikoosh.com/races/activate takes that email.
Quick answers
Is Cardiff Half Marathon 2027 registration open?
Sold out. Cardiff Half Marathon 2027 is sold out as of 2026-10-25; the status has read sold out since at least 2026-10-25; closes 2027-09-01, the ballot runs 2026-10-01 to 2026-10-18, ballot results 2026-10-22, race day 2027-10-03.
How do you get a place in Cardiff Half Marathon 2027?
Entry is by more than one route (ballot, qualifying, charity or first come). Non-ballot routes: NSPCC fundraiser place £40 (skip ballot), Welsh Athletics entry £54, training/distance bundles; general registration deadline 1 Sep 2027.
How much does Cardiff Half Marathon 2027 cost to enter?
As the organiser states it: UK Ballot Entry: £59* (source: https://www.cardiffhalfmarathon.co.uk/take-part/register/).
When does Cardiff Half Marathon 2027 registration usually open?
Registration opened in October for the 2027 edition (2026-10-01). Each date is the organiser's own, from the sources listed on this page; a date not yet stated for the next edition is not guessed.
How can I be alerted when Cardiff Half Marathon 2027 registration changes?
Race Entry Watch reads Cardiff Half Marathon 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/cardiff-half-marathon.
Put the status on your page
A badge or a card for a club page, a forum post or a blog; it updates itself from the nightly read and links back to this record.
[](https://bikoosh.com/races/cardiff-half-marathon) <a href="https://bikoosh.com/races/cardiff-half-marathon"><img src="https://bikoosh.com/races/badge/cardiff-half-marathon.svg" alt="Cardiff Half Marathon 2027 registration status"></a> <script src="https://bikoosh.com/races/embed/cardiff-half-marathon.js" async></script>
Sources
- https://www.cardiffhalfmarathon.co.uk/take-part/register/ (read 2026-10-25): seed read (ledger 229)
Change history
- : record added
Every registration open now · opening soon · the tracker
Organiser of Cardiff Half Marathon 2027? Feature it for thirty days, 49 USD once (at the top of the open lists while the page reads open, labelled sponsored), or correct the record from its source.
Not affiliated with Run 4 Wales. 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.