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Glendalough 'Lap of the Gap' Marathon

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Quick facts

Location Ireland

Distance Marathon

Date 22 May 2021

About Glendalough 'Lap of the Gap' Marathon

Irelands toughest marathon!

Cyclists have long known the allure of the 'Lap of the Gap' circuit taking you from the village of Laragh to the highland pass of Sallygap and back past Lough Tay (the 'Guinness Lake'). A scenic route with plenty of ups and plenty of downs. From quiet country back lanes to the barren and dramatic heather landscapes once you pass the Glenmacnass Waterfall. 

Both our marathon and half-marathon adds a 'tail' to the traditional Lap of the Gap to allow you to start in the monastic village of Glendalough - one of Ireland's most popular tourist destinations. 

We hope you will get not just a race out of our event - but an experience for a lifetime. 



A range of hotels, bed and breakfasts and AirBnBs are available in the Laragh and Glendalough area including Lynhams Hotel and the Glendalough Hotel.

After Race Services

Water, cake spread, sandwiches, fruit, coffee, and tea available. Barista service from Last Lap Cafe (not included)

Age Limit

Runners should be 18 years or older on the day of the race. 

Aid Stations

The route has water stations every 5-7 km (7 total) with 4 manned stations and a sweeper shuttle.

Award Medals

Medals are provided to if selected in purchase and you did not enter as part of the Late Entry

Equipment Storage

Equipment storage is available at the finish line at the owner's own risk. 

Maximum Time

Runners finishing in 6.5 to 7.5 hours must avail of early start (7:30 am). Course closes at 3 pm. Runners must reach half-marathon in 4 hours.


Official parking is at Cullen's field in Laragh. Entry to car park is 5 euro. Please have cash handy.

Provided Photo Service

Brian Troy Reilly


The courses have been measured by Athletics Ireland following international standards.

Race Kit Includes

Medal and t-shirts (if not in Late Entry) as well as race number with chip. Option to purchase ticket without tshirt and medal (cheaper).


Water and jellybeans are available on route. Cakes, coffee, tea, fruit, and sandwiches at the finish line. Pubs nearby serve hot food.


Professional chip-timing is provided by 


Shuttle bus provided from finish line to start line (2.5 km apart).Public bus to Laragh/Glendalough twice per day.

Glendalough 'Lap of the Gap' Marathon Route Map

Glendalough 'Lap of the Gap' Marathon Route Map


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Reviewed 24 July, 2019




Reviewed 26 June, 2019




Reviewed 27 May, 2019




Reviewed 26 May, 2019




Reviewed 18 April, 2019


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Road next to the Lower Lake

Derrybawn, Knockfin, Co. Wicklow, Ireland


Laragh GAA

Laragh House, Ballard, Glendalough, Co. Wicklow, Ireland


A classical cycling route slightly re-done to add up to exactly 42.2ish kilometres or the full marathon distance running clockwise up to Sally Gap via the Glenmacnass Waterfall before meandering past Lough Tay and returning via the Drummin/Oldbridge townland. 

To say the route is hilly is not doing it justice - its a marathon to run for the pure experience, the physical and mental challenge and the scenery rather than the personal best potential!

Glendalough 'Lap of the Gap' Marathon Ticket prices: €35.00 - €45.00

The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.