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What you need to know about Duathlon

Duathlons were primarily created to allow triathletes to race during the winter months without the need to swim in cold lakes. It’s a running and cycling event that has become very popular in recent years, they’re great training races for triathlon and make an excellent step up from single running/cycling events. So, if you want to broaden your horizons and move into multi-disciplinary events, Duathlon is an excellent place to start.

Duathlons tend to follow the same distance structure as triathlons, although the format is typically ‘Run—Bike—Run’ meaning you start with a run, then transition to the bike, then transition back to running again. Duathlons come in Sprint, Standard and Long distances.

Different Duathlon event types

  • Sprint Duathlon: 5km run, 20km bike, 2.5km run
  • Standard Distance Duathlon: 10km run, 40km bike, 5km run
  • Long Distance Duathlon: 10km run, 150km bike, 30km run

These distances aren’t as standardised as Triathlons, so do check the exact course. Duathlon races can cover all terrains with opportunities to run cross country and mountain bike. We’ve curated some of our favourites below, good luck out there!

Trending Duathlon events

64 results
Official Partner

Test your navigation and strategy with this off-road adventure. Using a 1:25,000 OS map which we provide, navigate trails and hills on foot and bike to collect as many check points as you can in the set time.

Experience Adventure Event- 4 hours; navigate to as many checkpoints as possible within the time. Starting on foot, there will be one transition to Mountain Bikes.

Sprint Adventure Event- 2 hours; navigate to as many checkpoints as possible within the time. Starting on foot, there will be one transition to Mountain Bikes.

Trail Adventure Event- 2 hour Trail Run only; navigate to as many checkpoints as possible within the time.

MTBO Adventure Event- 2 hours; ride your mountain bike and navigate to as many checkpoints as possible within the time.

Shere Adventure Race

Shere, Surrey, GB
2 races
£22£40
Official Partner

The Tri-Adventure Sprint combines off road running, mountain biking, and navigation over a 2 hour course. These events are perfect for beginners new to Adventure Racing and experienced racers who want to stay sharp in the off season.

Thursley Sprint Adventure Race

Thursley, Surrey, GB
1 race
£21£25
Official Partner

NEW to the 2018 calendar is the Marlow Classic Duathlon, this event is open to all levels and welcomes both novice and experienced athletes, with three distances from Sprint, Olympic & Middle distance.

This is the 10th year of the Marlow Sprint & Olympic Distance Triathlon, consisting of a river swim, cycling and running. The event has attracted 1000s of participants over the year and is open to all levels of participant and encourages first-time triathletes to the event. The Marlow Classic Half Iron Distance is the only long-distance event in the Thames Valley. a fairly flat scenic course taking in the views of Marlow and the surrounding areas.

Marlow Classic – Aqua Run & Duathlon

Marlow, Buckinghamshire, GB
3 races
£40£75
Official Partner

The BananaMan Triathlon is back. There are a total of SIX different takes on the triathlon theme which means there is something for everyone (males and females alike BananaMen and BananaWomen) and anyone who wants to swim, bike and run in the UKs most Bananas multisport event! Whether you get a triathlon taster with the Banana Split or take on the Whole Banana, theres something for all abilities and ages.

The BananaMan Triathlon is all about getting involved in as many different ways as possible and to help you rope your friends, family and enemies in, theres a relay option, the Bunch of Bananas Relay.

Extra points for anyone who wears yellow on the day!

EVENT BENEFITS
- Iconic Olympic venue
- Clean, calm lake waters
- Fast, flat closed road bike and run course
- Suitable for all abilities
- Renowned for its electric and supportive atmosphere

EVENT INCLUDES
- Finishers medal
- Free bananas for all!
- Free Parking
- Electronic chip timing
- Results texted to your mobile phone as you cross the line

BananaMan Triathlon

Windsor, GB
1 race
£52
Official Partner

This one is just for the females amongst us! The Shock Absorber WomenOnly Triathlon has evolved into a full female-only multi-sport day. Take your pick; theres something for everyone. So, whether its about taking on a challenge for the first time for the official charity Breast Cancer Care, or just to challenge yourself to better your time, the atmosphere at Dorney Lake makes this the perfect event at which to do this.

The event, held at the Olympic rowing venue Dorney Lake, Eton, provides a flat tarmac run and bike track as well as a lake with clean, calm waters to swim. As well as being a very safe and supportive venue, it also offers superb spectator viewing.The triathlon is always popular, offering a range of distances to either dip your toe into the water for the first time; to push yourself with a longer distance; or even to challenge yourself against the best in the Sprint Distance Triathlon.

Timetable:
9am Scootathlon
9.30 5k run
9.30 Duathlon
9.45 Olympic
10.20 Challenge
10.40 Sprint Wave 1
11am Sprint Wave 2
11.20 SuperSprint Wave 1
11.30 SuperSprint Wave 2
11.45 Novice Triathlon Wave 1
11.55 First Timer Wave
12.00 Prize Giving

Location: Eton College Rowing Centre, Dorney Lake, off Court Lane, Dorney, Berkshire, SL4 6QP

There is plenty of parking at Dorney lake.

Shock Absorber WomenOnly Triathlon and 5k

Windsor, GB
1 race
£52
Official Partner

The Fugitive Duathlon 2018 Half Iron Distance in Marlow. This event is only long distance in the Thames Valley which will see record numbers of participants race against the clock.

Are you a Fugitive? The Fugitive Half Iron Distance gives you the chance to make a run for it and escape, racing only against the clock to see if you will get caught before its too late. With only the fastest over the line, before the cut off, only becoming free to runaway with a bespoke finishers medal and the honour of being from captivity.

The event is set to attract over 700 participants, as the world of endurance sports and triathlon creates massive demand for longer distance events over the shorter distances that have originally formed this great sport.

The Run course for the Olympic Distance is a 2 Lap 5km route on Tarmac and Grass Footpaths. It meanders back towards Marlow and into the finish at Higginson Park from the river towpath. The Sprint Distance is just a 1 Lap 5km route.

Marlow Fugitive – Duathlon & Aquarun

Marlow, Buckinghamshire, GB
3 races
£40£85
Official Partner

Off-Road Duathlon, 10km Trail Run and 20km MTB

The Hurtleberry is set in THE HURTWOOD, a unique and beautiful woodland in the heart of the Surrey Hills, an area of outstanding natural beauty.

The Hurtleberry

Peaslake, Surrey, GB
2 races
£29£45
Official Partner

The Season Finale is the ideal way to finish our year at Dorney Lake, giving you a final chance to take on our fast and flat course in 2018. This is the perfect event for triathletes of all abilities, from first-timers to veterans. Theres a range of distances available, including the return of the popular duathlon, and the younger members of the family can join the fun too with childrens race options.

Expect a feel-good atmosphere with the fastest times of the year being challenged throughout the day, and the quickest finishers for 2018 in each discipline revealed.

EVENT BENEFITS
- Iconic Olympic venue
- Clean, calm lake waters
- Fast, flat closed road bike and run course
- A chance to test your fitness at the end of the season
- Suitable for all abilities
- Renowned for its electric and supportive atmosphere
- A pre-event Scootathlon for age 4 8 years
- Mates Waves provides the opportunity to race with your friends regardless of age or gender

EVENT INCLUDES
- Free Parking
- Electronic chip timing
- Finishers medal
- Results texted to your mobile phone as you cross the line

Season Finale Triathlon

Windsor, GB
Official Partner

The Windsor & Eton Autumn Classic Duathlon is open to all levels and welcomes both novice and experienced athletes, with three distances from Super Sprint, Sprint & Olympic.

Dorney Lake is the perfect venue for Duathlon Events - it's a 100% accurate course and 100% traffic free. A fast and fun race!

The event location is one of the most iconic 2012 London Olympic Games venues, which hosted the rowing and canoe disciplines. Dorney Lake, Eton College Rowing Centre is conveniently located along the M4 Motorway, only 20 mins from London and 15 mins from the M25 and M40 motorways. There's also plenty of parking.

Windsor Autumn Super Sprint, Sprint & Olympic Duathlon

Windsor, GB
3 races
£40£60
Official Partner

A great end to the season with a road duathlon and cross country run at the stunning Holdenby Estate. Includes a chance to qualify for the 2019 European Middle or World Long Distance Duathlon Championships

Suitable both for novices and experienced athletes, this late season sprint, olympic and long distance duathlon operates from Holdenby House with the traffic free run confined to the surrounding Holdenby Estate and a road bike route through beautiful Northamptonshire villages.

Built in 1583 by Sir Christopher Hatton, Holdenby House was one of the largest palaces of the Tudor period and was prison to King Charles I during the English Civil War. The House is now a private residence and we are pleased to be hosting a duathlon event from this magnificent Estate.

Holdenby Duathlon

Holdenby, Northamptonshire, GB
3 races
£28£59.80
Official Partner

Our final event of our 2018 race calendar will be the same as last, the Robin Hood Off Road Trail adventure.

The off-road duathlon is one of the 4 different events being held at the Off Road Trail Adventure at Sherwood Pines Forest Park. The duathlon will take place on a challenging course, consisting of a 5km run - 17km bike - 3.4km run.

The change in bike course last year was very popular but this will be changing again for 2018! We promise it will be just as fun and fingers crossed for the mud again!

This whole event is a fantastic adventure challenge set within the 1,200 hectares of woodland and open heathland of Sherwood Pines Forest Park with 4 events available: the Robin Hood Off Road Duathlon and 3 trail runs.

This event has something for everyone, whether you are an adrenaline-junkie wanting to challenge yourself on the off road duathlon course or simply enjoy exercise and want to take part in one of the 3 running disciplines, this is the event for you! With something for everyone, it is a great family day out!

Robin Hood Off Road Duathlon

Mansfield, GB
1 race
£32£42
Official Partner

The Windsor & Eton Autumn Classic Duathlon is open to all levels and welcomes both novice and experienced athletes, with three distances from Super Sprint, Sprint & Olympic.

Dorney Lake is the perfect venue for Duathlon Events - it's a 100% accurate course and 100% traffic free. A great chance for experienced athletes to set a PB or for newbies to get involved. A fast and fun race!

Windsor & Eton Autumn Classic Duathlon

Windsor, GB
3 races
£40£60

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