A 5K through Irish, from registration to finish line.
How Irish-language communications, split timing, and finish-line announcements supported Gaelathon - Rás trí Ghaeilge in Phoenix Park, Dublin.
395
participants
289
started
283
finished
2 × 2.5 km
timed laps and splits
Make Irish part of an event people already love.
The Office of Public Works described Gaelathon as the first Irish-language 5K race. Organised with BÁC le Gaeilge and Irish-language running club Club Reatha – Céim ar Chéim, it brought a familiar format into Irish and welcomed fluent speakers and learners alike.
In its preview of the event, The Irish Times described the organisers' aim as creating more opportunities to use Irish in everyday life. That goal shaped the experience well beyond the start line: the organisers wanted every participant touchpoint to be in Irish.
The language carried through the whole participant journey.
The organiser supplied the Irish text. Monster Timing used it across registration forms, emails, pre-race communications, and WhatsApp messages, so participants received race information in the same language as the event itself.
Even the back of the race bibs was adapted: instead of the standard English and German wording, the instructions appeared only in Irish. At the venue, the start and finish arch used the words TÚS and CRÍOCH.
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Race results sent in Irish.
After the race, participants received an Irish-language WhatsApp message with their finish times and a link to the full results.
283
messages total
263
delivered
231
read receipts
20
failed
Read receipts only count recipients who have them enabled, so actual readership may be higher.

Two laps timed, names called in Irish.
The 5K course was run as two 2.5 km laps. Monster Timing recorded a split on each lap, giving runners and organisers a clear view of progress through the race.
At the finish, a timing mat sat beneath the arch carrying the Irish signage. A spotter mat fed athlete reads to an iPad, which the announcer used to call runners' names in Irish as they came through the finish.
The timing setup was familiar; the detail that made Gaelathon distinctive was carrying the Irish-language experience right through the finish-line moment.
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395 participants. 289 started. 283 finished.
Organisers initially expected 100–150 runners, but registrations quickly exceeded that range. Capacity was increased twice, yet the race still sold out far faster than expected, with a waiting list in operation. Music, refreshments, and a commemorative medal designed by artist Nine Arrow helped make the finish a celebration. Organisers hope to grow Gaelathon to 1,000 participants next year.
“Today was a fantastic celebration of the Irish language in Dublin. Events like this highlight the growing demand for new and exciting opportunities to use Irish.”
For Monster Timing, the event showed how careful adaptation of familiar race-day systems can help make an event feel genuinely rooted in its language.
Irish from the bib to the finish arch.

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