The Festival of Endurance at Hever Castle

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The Festival of Endurance at Hever Castle
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Saturday 3rd and Sunday 4th July; this spectacular Festival of Endurance racing at Hever Castle, hailed as one of the friendliest sporting events on the calendar will kick off the Saturday with the new Ultra '50 Miler' run and 2 long distance cycle sportives. On Sunday, make way for the iconic Iron Distance 'The Bastion' accompanied with an array of options for those who love to go long!
Ultra Run - 50 Miler, 180k Cycle, 90k Cycle, and 13 more
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Sat, 3 Jul 2021 - Sun, 4 Jul 2021
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Hever Castle, United Kingdom
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Where and when
1 Stable Flats, Hever Castle, Hever, Edenbridge TN8 7NG, UK
Start times
Saturday, 3 Jul 2021
Ultra Run - 50 Miler: 6:00 am180k Cycle: 7:00 am90k Cycle: 8:00 am
Sunday, 4 Jul 2021
Iron Triathlon - The Bastion: 6:00 am10k Swim Marathon: 6:15 amHalf Iron Triathlon - The Gauntlet: 7:00 amMiddle Distance Aquabike: 8:00 amLong Distance Aquabike: 8:15 amMiddle Distance Aquathlon: 8:30 amLong Distance Aquathlon: 8:45 amMiddle Distance Swim: 9:00 amLong Distance Swim: 9:15 amLong Distance Duathlon: 9:30 amMiddle Distance Duathlon: 9:45 amMarathon Run: 10:00 amHalf Marathon Run: 10:15 am
Event summary
Here are the distances available for The Festival of Endurance at Hever Castle
Ultra Run - 50 Miler
180k Cycle
90k Cycle
Iron Triathlon - The Bastion
£360 - £450
Route information
The historic grounds and former home to Anne Boleyn are home to an incredible celebration of athleticism. The Festival of Endurance truly has something for everyone whether they are a purist looking to perfect a long distance swim or would rather mix it up with an interdisciplinary triathlon.
A couple of highlights of this event include swimming in the Hever Castle Moat, and the stunning gardens of both Hever Castle and nearby Chiddingstone Castle. This race has been dubbed the friendliest triathlon on the racing calendar, and each year it continues to grow in popularity.
The Bastion: 3.8k Swim, 180k Bike, 42.2k Run
The Gauntlet: 1.9k Swim, 90k Bike, 21k Run
Middle Distance Aquabike: 1.9k Swim, 60k Bike
Long Distance Aquabike: 3.8k Swim, 120k Bike
Middle Distance Aquabike: 1.9k Swim, 10.5k Bike
Long Distance Aquathlon: 3.8k Swim, 21k Run
Half Marathon: 21.1k Run
Full Marathon: 42.2k Run
Middle Distance Duathlon: 10.5k Run, 45k Bike, 4k Run
Long Distance Duathlon: 21k Run, 90k Bike, 10.5k Run
What's included
  • Chip timed
  • Prizes
  • All competitors in all races will receive a medal on completion of their race
  • Banquet of well-earned treats
  • Live bands
  • Food stalls
  • A retail area
  • Camping at the castle making the weekend a festival of sporting achievements
  • Licensed race
  • Trophies
  • Prize money
  • Marshal's
  • Baggage Drop
  • Race photography
  • Event Village
How to get there
1 Stable Flats, Hever Castle, Hever, Edenbridge TN8 7NG, UK
Get full directionsExternalLink
Address: 1 Stable Flats, Hever Castle, Hever, Edenbridge TN8 7NG, UK
On approaching to the venue, be sure to follow the yellow triathlon car park signs. Do not follow your sat-nav.
Event day logistics
06:00 Run 50 Miles starts
07:00 Cycle 180k starts
08:00 Cycle 90k starts
06:00 The Bastion starts
06:15 Swim Marathon starts
07:00 The Gauntlet starts
08:00 Aquabike Middle Distance starts
08:15 Aquabike Long Distance starts
08:30 Aquathlon Middle starts
08:45 Aquathlon Long starts
09:00 Swim 1.9k starts
09:15 Swim 3.8k starts
09:30 Duathlon Long Distance starts
09:45 Duathlon Middle Distance Starts
10:00 Run Marathon starts
10:15 Run Half Marathon starts
The previous years start timings for the various Sprint events took place between 07:30 and 14:30. The Starter Tri, Children and Swim only events started between 15:00 and 17:00.
If Covid restrictions dictate, they shall follow a similar format at this Venue. If social distancing is not required, all adults events will take place in the morning and Children and Mixed Team Relay events after 14:00.
Entrants will be notified of their start time via email 2 weeks prior to the event. It is advised that entrants arrive at least 1 – 1.5 hours before their given wave time. Relays go off in the final wave of their distance.
See a full list of Castle Triathlon Partners at
Spectator Info
The spectator experience at the Castle Series has become almost as famous as the spectacular backdrops and classic courses, and has made passing time before your loved ones finish the race a thing of the past.
Spectators are actively encouraged to come down to the event! The looped nature of the course makes it very spectator friendly.
There will be a variety of entertainment on offer, with a festival theme throughout, such as inflatables, climbing wall, yoga and retail outlets.
Please follow this link for more information on spectators
Do I need a British Triathlon Licence to race?
All Triathlon and multi-discipline participants must produce their governing body license (BTF, TI, FFTTRI) on race-day to avoid paying for a Day Licence. Day licence's must be purchased online prior to event day. See organiser's website for details. This does not apply to single discipline events; swim only, cycle only, or run only.
Is the water quality at the Hever Festival of Endurance good?
Water quality reports are conducted by EU Water Bathing Directive and can be found on their website.
How cold will the water at Hever Festival of Endurance be?
Usually the water temperature fluctuates between 15 - 18 degrees, but it can change based on the current weather conditions.
I see there are many more races than I can purchase tickets for, why is this?
Let's Do This has an agreement with the event organiser only to offer certain events on our platform. If you would like to purchase any of the other races, you will need to go directly to the event organiser's website.
Do I need a wetsuit?
For swim length up to 1500m wetsuits will be optional on race day if the temp remains between 14 and 22 degrees centigrade. Events over 1500m swim length will have wetsuits as optional between 15 and 23 degrees centigrade. Wetsuits hire is available from Yonda Sports
Can I hire a bike rather than trek mine to the Hever Festival of Endurance?
Absolutely, if you hire a bike with British Bike Hire, the bike will be at the event site waiting for you. Visit for more information.
When will I be sent my start time for the Hever Festival of Endurance?
You will be emailed your start time approximately 2 weeks ahead of the event.
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