Adventure Series 2025 Duathlon

In line with British Triathlon rules, you must be at least 17 years old to take part in this series.

Registration for the Duathlon will take place the evening before the race and also before the race in the morning - we will confirm specific times in your Final Instructions, which will be available on the website and via email 10 days prior to the race.

Please see the individual race pages for more information.

Transition opens early on the morning of the event and will close approximately 30 minutes before the first wave starts. You may not enter transition for any reason after the allocated time. Confirmed timings will be detailed in your Final Instructions which will be available on the website and via email 10 days prior to your race.

Transition will only be open for racking on the day of the event. It is not possible to leave your bike overnight.

Equipment left in Transition after it closes will be removed and its security cannot be guaranteed.

In the interest of athlete safety and the safety of our volunteers on the course, there will be strict cut-off times in place. Please see the dedicated individual race pages for more info.

Typically for sprint duathlons, you have a total of 35 minutes to complete your Run 1 and exit transition. You have a total of 1 hour and 45 minutes to complete your bike and exit transition. You have a total of 1 hour and 15 minutes to complete your run.

Typically, for standard duathlons,You have a total of 55 minutes to complete your Run 1 and exit transition. You have a total of 3 hours 5 minutes to complete your bike and exit transition. You have a total of 2 hours 15 minutes to complete your run.

Timings are subject to change. Confirmed timings will be detailed in your final instructions. These are emailed to athletes 10 days prior to the race, and they’ll also be available 10 days prior to the race on our website.

We hold a prize giving ceremony after racing finishes at the Sandman event. Approximate timings will be detailed in the Final Instructions however it is a good idea to listen out for updates that come in over the tannoy. Sometimes the ceremony may be delayed and we wouldn't want you to miss out. We don't send out prizes after the event, so make sure you attend the ceremony and receive your big Welsh cheer!

Please note if an age group athlete finishes in the top 3 overall, they will receive their prize in the overall category, the age group prize will be awarded to the next fastest athlete.

Prize Categories for the Slateman Sprint Duathlon are (for both Open and Female categories):

Individual

Overall - Top 3