Events / Duathlon

Adventure Series Duathlon 2024

The Adventure Series consists of three stunning and unforgettable mixed terrain duathlons; The Slateman, The Snowman, and The Sandman. Completing the series is a tick that every duathlete wants and a once-in-a-lifetime experience.

As if that wasn't enough, by entering the Adventure Series you receive 50% off the individual event price of the Sandman*

Over the years we've seen an amazing array of athletes enter the Adventure Series from novice to elite. When half the challenge is just completing all the events, anyone can win and we've had some very surprised champions pick up the exceptional prize packages in the past!

*You will not receive the discount or be entered into the Series if you make separate entries into the individual events. If you have already entered an event and wish to upgrade please contact us.


09 Jun - 15 Sep 2024


Llanberis, Plas y Brenin, Newborough Forest

Choose your distance

0115 Run Forest 6665

Adventure Series 2024


09 Jun - 14 Sep 2024

Run: 2.5km/2.4km/2.1km

Bike: 20km/31km/25km

Run: 5.8km/6.1km/5.4km

Find out more Adventure Series Sprint Duathlon 2024
Cycle Leg

Adventure Series 2024


09 Jun - 15 Sep 2024

Run: 5.8km/4.2km/5.4km

Bike: 49.6KM/69.2km/42.3km

Run: 11.5km/8.4KM/10km

Find out more Adventure Series Standard Duathlon 2024

What's Included

Event village

Lively Event Village

Music, commentary, shopping, food and chill out zones.

Slateman family

Family Friendly Vibes

Family finishes and plenty to see and do.

Slateman transition

On Course Support

Brilliant marshals, signage and pick up vehicles

Slate Placeholder Current View

Unique Finisher Mementos

Beautifully designed to reflect our event locations and local history.


Spectacular Scenery

Eryri's awe-inspiring scenery is the backdrop to your race

0135 11 2367

Professional Timing

Chip timing & live online results

Beach Run

“A dream duathlon – amazing”

2019 Participant

Working with local communities