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The World's Steepest Street Run

Run 5km
  • (This event has been postponed until undefined)

This event has been postponed

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This is no regular 5K, as participants will be climbing the Guinness World Record's 'Steepest Street'. Perfect for runners looking for a new and unique challenge, the route starts at Harlech Castle before making the daunting ascent. Come to test yourself on an incline like no other.

The World's Steepest Street Run route

This route will begin at the base of the striking Harlech Castle. Immediately after the first bend runners will find themselves looking up toward Ffordd Pen Llech - crowned the 'World's Steepest Street' in 2019.

With a maximum gradient of 37.5% and a total climb of 50 metres across the 322 metre street, this is certainly a challenge to be reckoned with. Once you've reached the top, athletes will be greeted with panoramic views over the sea, before heading back down through Harlech and over the finish line.

The hard work will all be worth it for the epic race village which will host food and drink, massages, a shop, and plenty more.

Event Details

What’s Included
  • Chip timing
  • Distance marked
  • Great course marshals
  • Extensive refreshment stations
  • Official event photography
  • Post-race feast
  • On-site medical support
  • Epic event village (food and drink, massage, shop, bag drop)
  • Bespoke finisher's coaster
  • Free tech t-shirt
Raceday Logistics

This is a late afternoon race with a provisional start time of 17.00

Further race information will be sent out to those who have entered.

This event will be fantastic for spectators. The event village will provide the perfect base for all those supporting the athletes.


If you would like to find out more about volunteering at this event, please get in touch with: [email protected]

Frequently Asked Questions

What was the previous 'World's Steepest Street'?
The Ffordd Pen LLech overtook Baldwin Street, New Zealand in 2019.
Will there be a place to leave my bag?
Baggage storage will be provided at the event village.
When do Early Bird tickets end?
Early Bird entry will expire on the 14/12/2019.
Have a question? Get answers from our team.

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The World's Steepest Street Run weather forecast

Overcast throughout the day.

Predicted highs
Predicted lows
IconLight breeze possible, up to 10mph

Meet the organizer

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Always Aim High Events are ranked #45 in the UK out of 378 organizers

Always Aim High Events was founded in 2010 by Tim Lloyd and Nigel 'Kenny' Kendrick. The first event was the now iconic Slateman Triathlon 2011 attracting just over 400 competitors (it now regularly exceeds 1,000), with a vision that included the Snowman and Sandman - the three events which now make up the Adventure Triathlon Series. From that one event we now host 34 all inclusive events over 9 weekends, with many more planned for 2019 and beyond. In 2015 Always Aim High Community Events was set up as a not for profit organisation to help with engaging with and hosting local community events. At Always Aim High we are extremely proud about delivering the UK's ultimate triathlon, cycling, running and swimming challenges in the most beautiful and iconic locations that we can find. From epic mountain, coastal and city triathlons, to breathtaking cycle sportives which cover the length and bredth of Snowdonia, there's something for everyone at Always Aim High Events!

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