The Donegal Ultra 555 is one of Ireland’s most demanding and prestigious ultracycling events, offering participants the ultimate test of endurance. Taking place in 2025, this iconic event challenges cyclists to complete a 555km route across some of Donegal’s most rugged and stunning landscapes.

Event Highlights:

• 555km Cycling Challenge: The race spans 555 kilometers, covering diverse terrain that includes coastal roads, mountainous climbs, and rural paths, providing cyclists with a real test of endurance and stamina.
• Multiple Stages: The Donegal Ultra 555 is typically broken down into multiple stages, allowing riders to rest and recover before continuing on their journey.
• Challenging Terrain: Riders will encounter varied terrain, including steep ascents, coastal routes, and off-the-beaten-path roads, making this event suitable only for experienced cyclists.

Scenic Route – The Donegal Ultra 555 showcases the breathtaking landscapes of Donegal, offering views of mountains, coastlines, and rugged rural beauty that will motivate cyclists throughout their journey.

Test Your Endurance – Beyond physical stamina, the Donegal Ultra 555 will push participants’ mental toughness, requiring determination and focus to complete the long and demanding route.

If you’re looking for the ultimate cycling challenge in 2025, the Donegal Ultra 555 is the event for you. Set your sights on this amazing journey and prepare to test your limits!