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Thames Valley Spring 5K, 10K, 15K, Half Marathon & Duathlon

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Take part in this fast and flat mixed-discipline event at one of the homes of the 2012 London Olympic Games. Great for first time participants and experienced racers alike, the course loops around the picturesque lake. Come to try for a PB or for the gorgeous scenery.

Review summary

3.4
2 Reviews
  • Course
  • Organisation
  • Atmosphere

B

Becky K
"Marshalls were nice and helpful. Course was good for a first time but not..."

V

Vanessa E
"The event was well organised with the exception of sending out the wrong start..."
See all reviews

Thames Valley Spring 5K, 10K, 15K, Half Marathon & Duathlon routes

5K/10K/15K/Half Marathon

The course starts and ends at the impressive boathouse overlooking the lake.

Runners will set out on a pan flat 5km loop around the iconic lake. The terrain is a mixture of tarmac paths and closed, traffic free roads.

The 5km run will be 1 lap, the 10km run will be 2 Laps, the 15km run will be 3 laps and the half marathon will be 4.5 laps.

When you finish your race, competitors are required to proceed into the finish line funnel to collect your finishers medal.

As one of the flattest courses in the UK, this is a great chance to record a PB.

Duathlon

Super Sprint Duathlon: 2.5KM Run, 10KM Cycle, 2.5KM Run
Sprint Duathlon: 5KM Run, 20KM Cycle, 5KM Run
Standard Duathlon: 10KM Run, 40KM Cycle, 5KM run

First Run Course

  • The run will be an out and back loop measuring 2.5km.
  • The Super Sprint Duathlon run will be 1 loop, the Sprint Duathlon run will be 2 loops and the Olympic Duathlon run will be 4 loops.
  • Once completed, competitors will proceed into the RUN IN entrance of the transition area.

Bike Course

  • The course consists of approx. 5km laps up and down the side of the famous lake.
  • Super Sprint Duathlon will complete 2 laps, the Sprint Duathlon will complete 4 laps and the Standard Duathlon will complete 8 laps.
  • Please note that it is the competitors responsibility to count the number of laps they have ridden.

Final Run Course

  • The final run course is once again an out and back loop equal to 2.5km.
  • The Super Sprint distance will be 1 loop and the Sprint & the Olympic distances will be 2 loops.

Event Details

What’s Included
  • Free car parking
  • Marshalled course
  • Chip timed event
  • Bag drop
  • Medal
  • Prizes for 1st, 2nd, 3rd overall male and female, 1st Junior male and female, 1st Vet male and female
  • Refreshment stations
  • Ambulance services
Raceday Logistics

Schedule

0700:
Duathlon site/registration opens

0815:
Event briefing

0830: Duathlon starts

0900: Site opens to runners

1035: 5K/10K/15K event briefing

1045: Half Marathon Event briefing & 5K/10K/15K starts

1100: Half Marathon starts

1200: Prize presentation for 5K/10K/15K

1230: Prize presentation for half marathon

Registration will take place by the main boathouse at the far end of the lake.

Please arrive at least 45 minutes before the start of the race in order to collect your race number and timing chip.

Duathlon: please arrive at 60 minutes before your race to rack your bike and complete the registration process.

Kit List

Duathlon competitors are expected to supply their own bike which is in good working order.

Helmets are also compulsory.

Spectators

This is a great event for spectators. Not only is Dorney Lake one of the most recognisable venues from the London 2012 Olympic games, but the looped structure of the course means spectators should get a good view of runners.

There are catering facilities available onsite in case you are feeling peckish.

Volunteers

The volunteers are what make this event special. If you would like to join this superb team of people, please email [email protected]

In return F3 events will offer you:

  • Free entries for yourself or a family member
  • Free food and drink provided at the event
  • Event clothing

Frequently Asked Questions

When will I receive my race number for the Thames Valley Spring 5K, 10K, 15K, Half Marathon & Duathlon?
Race numbers and timing chips will be collected on the morning of the race.
What are the minimum ages for the events at the Thames Valley Spring 5K, 10K, 15K, Half Marathon & Duathlon?
17 is the minimum age for the half marathon and olympic distance duathlon. The rest of the events have their minimum age as 16 years.
Will there be free parking at Thames Valley Spring 5K, 10K, 15K, Half Marathon & Duathlon?
Yes, there will be plenty of free parking available at the event.

Thames Valley Spring 5K, 10K, 15K, Half Marathon & Duathlon weather forecast

Mostly cloudy throughout the day.

13°C
Predicted highs
4°C
Predicted lows

Meet the organiser

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Offering fun, friendly, family, fast and focused events across the South. F3 Events was set up in 2006 and has been one of the leading sporting event organisers along the Thames Valley for the past 10 years. Our mission is to organise, deliver and provide first class sporting events along the Thames Valley to aspiring athletes from complete beginners to elites athletes.

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Thames Valley Spring 5K, 10K, 15K, Half Marathon & Duathlon reviews (2)

3.4 out of 5 stars

  • Course
  • Organisation
  • Atmosphere
  • Did the event in 2019

    The event was well organised with the exception of sending out the wrong start & arrival times via email, which were different from their website. Luckily we clarified with them beforehand as we would have missed the race start!It was a very fast paced course with a close time of 2hrs30mins, so my slower two run buddies raced their legs off to get around in time (there were many behind them) to collect their well deserved finishers medal. Some of the marshals were packing up 10minutes before the closing time, and we almost couldnt get a snack afterwards as the snack van was also attempting to close! It all felt very rushed at the end and geared towards serving the fastest finishers and club runners. I think if it were less rushed, giving even just an extra 15minutes for clear-up, the final runners would feel as important as the more speedy runners. I think this would also attract more participants. Overall, it was a good experience (as I really enjoyed the lapped course) and got a Pb of exactly 2hours! (5 minutes off my previous hm times.) Also, two of the course marshals were fantastic encouragers on the way around cheering on those who struggled!However, we wont be taking part in this one again due to the above.
  • Did the event in 2019

    Marshalls were nice and helpful. Course was good for a first time but not wildly interesting. Id try it again to aim to improve my time.
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