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How fast?! New road bike 10-mile time trial record set at 51.6km/h average speed for 18:41 clocking

George Fox set a time of 18:41 on the F11/10 course in Hertfordshire on Sunday

The 10-mile time trial, a staple of the British racing scene, is now with a new record for the road bike discipline after George Fox set a blistering time of 18:41 on Sunday. 

Just last month Cycling Time Trials introduced a road bike category to all of its events in a bid to "get more people time trialling", just don't expect to get too close to George's 51.6km/h average speed if you do fancy giving it a go.

On his mind since 2019, George admitted previously setting a time of 19:19 "almost by accident" but that it "sparked the interest in just seeing what was physically possible".

"This winter came a real concerted effort into testing equipment and spending a lot more time in the position," he told road.cc. "I've road raced the bike for most of this year, various crits and a local handicap series which proved really useful to force myself to hold an aero position as training for Sunday essentially.

> Road bike category introduced by British time trial governing body to "get more people time trialling"

"Everything fell into place really nicely on the day, it was no accident that I was ready for the occasion though as the date had been written on the wall in the office ever since the CTT calendar got posted in the new year!

"We're in a science based sport now and all I had to do was apply the same approach that I do with the riders I coach and bike fit to myself, along with outside support from my coach James Millard and a couple of other very supportive people."

George Fox breaks 10-mile road bike TT record (George Fox)

George set his time aboard an Argon E-17 frame, with a Princeton 7580 wheel up front and a VeloElite 88mm at the rear. That eye-catching dinner plate of a chainring is a whopping 62t and the chain runs through one of Ceramic Speed's (very expensive) aero pulley wheel systems.

The rear derailleur is Shimano Ultegra Di2 11-speed and the bars are Prime's carbon aero offering in 36cm width for getting nice and tucked. The finishing kit includes a Syncros Belcarra carbon saddle, profile design Aria stem and Speedplay pedals.

George's power meter shows he held a normalised power of 378w for the 18:41 mins of effort, hitting a maximum speed of 75.5km/h and averaging a cadence of 86, while his average heart rate was 182bpm, rising as high as 191bpm by the final metres.

George Fox breaks 10-mile road bike TT record (George Fox)

 

Dan is the road.cc news editor and joined in 2020 having previously written about nearly every other sport under the sun for the Express, and the weird and wonderful world of non-league football for The Non-League Paper. Dan has been at road.cc for four years and mainly writes news and tech articles as well as the occasional feature. He has hopefully kept you entertained on the live blog too.

Never fast enough to take things on the bike too seriously, when he's not working you'll find him exploring the south of England by two wheels at a leisurely weekend pace, or enjoying his favourite Scottish roads when visiting family. Sometimes he'll even load up the bags and ride up the whole way, he's a bit strange like that.

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55 comments

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ShutTheFrontDawes replied to Simon E | 1 year ago
0 likes
Simon E wrote:
ShutTheFrontDawes wrote:

I think it's sad that people feel the need to leverage a new category and play within the hair's breadth of the 'rules' to win records, yes.

So you mean that you don't like the premise behind competitive sport. Perhaps people shouldn't training manuals or scientific journals, buy nice (faster) kit, just pedal their 6-speed Raleigh hard and be grateful.

There's nothing "hair's breadth" about it, those are the rules, which are intentionally open-ended. The bike is clearly within those rules, as are all the aero bikes, 88mm wheels and expensive skinsuits people can choose to use.

This is an extreme outlier, a performance by a talented athlete (2nd behind Dowsett with 18:05 last year) and you just can't handle it. It does not harm the intention of CTT and is likely a positive bit of publicity, though it seems it was not done/timed for that reason.

Unless individual promoters want to mandate additional restrictions (known as Special Conditions in CTT parlance) then this is what is allowed for everyone, whether they can do 380 watts or 180 watts, whether they spend £500 or £5,000. It's the real world, get used to it cry-baby.

ShutTheFrontDawes wrote:

That's like comparing Le Mans to junior go-karting.

That comparison is so full of shit I don't know where to begin...

Well since you seem to know so much about it, was the new category introduced so that:
a) people who previously didn't get involved in TTs because they felt they didn't have the 'right' kit would be more inclined to have a go; or,
b) so that washed up athletes could set new records.

Which?

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Simon E replied to ShutTheFrontDawes | 1 year ago
1 like
ShutTheFrontDawes wrote:

Well since you seem to know so much about it, was the new category introduced so that: a) people who previously didn't get involved in TTs because they felt they didn't have the 'right' kit would be more inclined to have a go; or, b) so that washed up athletes could set new records. Which?

Another post so full of shit.

Do you mean this 'washed-up' athlete who clocked 19:19 on a standard Propel in 2019?

https://twitter.com/georgefox07/status/1133699488227483648

I really cannot understand how George Fox's performances deter anyone from participating in a TT. Either you've failed to understand anything I've written in this discussion or you are simply desperate to argue for no obvious reason (and with no factual basis to your ridiculous comments). Based on experience, I think it's the latter.

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ShutTheFrontDawes replied to Simon E | 1 year ago
0 likes
Simon E wrote:
ShutTheFrontDawes wrote:

Well since you seem to know so much about it, was the new category introduced so that: a) people who previously didn't get involved in TTs because they felt they didn't have the 'right' kit would be more inclined to have a go; or, b) so that washed up athletes could set new records. Which?

Another post so full of shit.

Do you mean this 'washed-up' athlete who clocked 19:19 on a standard Propel in 2019?

https://twitter.com/georgefox07/status/1133699488227483648

I really cannot understand how George Fox's performances deter anyone from participating in a TT. Either you've failed to understand anything I've written in this discussion or you are simply desperate to argue for no obvious reason (and with no factual basis to your ridiculous comments). Based on experience, I think it's the latter.

That was 4 years ago. Not much since until a new category is introduced that can be leveraged. You're proving my point.

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George Fox replied to ShutTheFrontDawes | 1 year ago
9 likes

2022 - 19.06 On a propel with 65/60mm wheels and a road helmet 

2020 - 19.31 on the same setup as above

2019 - 19.18 on the propel with 50mm wheels and Tt helmet 

All of the above off 30w less than the 18.41.

I have consistently spoken about breaking this time for the last 5 years now, it just so happens that the CTT introduced the new category for road bikes this year. I chose to align my goals with their new rules rather than sticking to the approach I'd done previously with regards to equipment use. 

I'd have been happy with my ride and nobody else knowing about it to be quite honest, but as has been pointed out, it's my business. I justify my time training as it positively impacts what I do day to day when I do get results, that's the sole reason for doing the interviews. So no, it's not glory hunting, it's not comparing to Colin's ride, there really is no ulterior motive to this other than to ride fast and see what is possible for myself and the equipment I choose and am allowed to use. Hope that clears a few of your opinions up 👍🏻

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NotNigel replied to George Fox | 1 year ago
3 likes

Well that ShushedTheFrontDawes...

Sorry, I'll get me coat.

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Miller replied to ShutTheFrontDawes | 1 year ago
2 likes
ShutTheFrontDawes wrote:

 I'm just glad he didn't take more extreme measures to feel the sense of achievement he so desperately craves.

Maybe the tough pill to swallow would be you accepting that George Fox is very athletically gifted? He was winning time trials as soon he started with them.

 

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ShutTheFrontDawes replied to Miller | 1 year ago
0 likes
Miller wrote:
ShutTheFrontDawes wrote:

 I'm just glad he didn't take more extreme measures to feel the sense of achievement he so desperately craves.

Maybe the tough pill to swallow would be you accepting that George Fox is very athletically gifted? He was winning time trials as soon he started with them.

 

I wasn't aware that he'd set records in existing categories. I'll have to look that up.

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rct replied to Simon E | 1 year ago
1 like

Under the latest BC Comms guidence his postion on the bars would see him DQ'd in a RR.

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Brauchsel replied to ShutTheFrontDawes | 1 year ago
0 likes
ShutTheFrontDawes wrote:

 It's just a good way for someone who otherwise would be in the middle of the pack to feel a sense of achievement in coming first for a change. He should be thankful he only had to lop off his handlebars. Some people lop off things that are far more valuable to achieve the same result.

Well, I for one enjoyed this completely gratuitous dig at the male also-rans (if that) taking podium places in women's races. 

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mark1a replied to Jimmy Ray Will | 1 year ago
2 likes

I think this particular bike falls within the letter of the road bike rules, rather than the spirit perhaps. The rules being no tri-bars, no clip-on bars, no disc wheels, max rim depth 90mm, and both wheels have at least 12 spokes. This bike fulfils that, but for all other intents, is a TT bike for most people.

Bearing in mind the rider's day job of coaching and bike-fitting, this (amazing) effort represents and promotes a showcase of what's possible rather than a realistic target for the average club rider turning up on a Tuesday evening and paying their £5 to the timekeeper. In fact, it's the opposite, it's an incentive for the person turning up on a P5X desparately trying to break 20 minutes!

 

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Bigfoz replied to mark1a | 1 year ago
2 likes

Previous "Road Bike" TTs I've ridden (like the Merlin Series road bike category) have specified rim depths of 50mm or less and no stupid helmets (no visors / ears uncovered etc). This bike is taking the p*ss. Great ride, but not really what CTT are aiming for. Maybe the rules as such need tweaked.

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Miller replied to Bigfoz | 1 year ago
2 likes

It's not taking the piss. As soon as you devise a contest with a set of rules, competitive people find a way to explore the outer reaches of those rules. Many, many people have pointed out that this would happen in 'road bike' time-trialling.

More to the point, that Colin Sturgess 1980s record looks better and better if all this tech and a fast course and a strong rider shaves just 7 seconds off it.

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Simon E replied to Miller | 1 year ago
2 likes
Miller wrote:

It's not taking the piss. As soon as you devise a contest with a set of rules, competitive people find a way to explore the outer reaches of those rules. Many, many people have pointed out that this would happen in 'road bike' time-trialling.

Agree.

CTT wanted to implement as few rules as possible; they were also conscious of BC/UCI rules about things like wheel depth.

It's inevitable that TT frames and wheels that are just inside the max permitted would be used. That's life. Personally I'd prefer a road bike category to be non-aero and something like 50mm max rim but that would probably be a little too restrictive and could discourage people with expensive bikes and 60mm carbon wheels (claim people with expensive bikes and deep wheels AND a full TT rig, expensive skinsuit etc etc). And it seems that nowadays even commuters and recreational riders happily buy aero handlebars, deep rims, low CRR tyres etc.

At least this way there are very few restrictions on what you can ride; and let's be honest, unless you're at the sharp end of an Open then you are really only racing against yourself.

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PRSboy | 1 year ago
2 likes

Very impressive effort!

The E-117 is a time trial frame, great idea putting drop bars on it. Looks very similar to the Nitrogen. 

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Global Nomad | 1 year ago
1 like

would be good to see him try on a 'normal' road bike so we can get a good benchmark comparison in the real world for a top rider.

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Rendel Harris replied to Global Nomad | 1 year ago
0 likes
Global Nomad wrote:

would be good to see him try on a 'normal' road bike so we can get a good benchmark comparison in the real world for a top rider.

I believe a reasonable heuristic would be a saving of about 90 seconds over ten miles compared to a standard non-aero road bike.

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Miller | 1 year ago
2 likes

Great to see that the new Road Bike category is encouraging cyclists to 'have a go' as intended.... haha just joking.

George Speedyfox has been a force for a while, well done him as that's a terrific time.

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Bradshsi | 1 year ago
3 likes

Zoomy and super impressive.

Congrats George Fox.

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check12 | 1 year ago
0 likes

that's some max aero / conditions (I know it's out and back but sidewind anything's a sailing effect when your doing 50kmph) because no disrespect and I can't but 378W for 18 minutes isn't mutant power. 
 

congratulations all the same though 

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Tom_77 replied to check12 | 1 year ago
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check12 wrote:

378W for 18 minutes isn't mutant power.

It's not going to win you the Tour de France, but it's not that far off.

 

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Simon E replied to Tom_77 | 1 year ago
3 likes
check12 wrote:

378W for 18 minutes isn't mutant power.

In an interview with Colin Sturgess he said he did 435w for a '10' in 2000, his final competitive season. Wiggins' hour record ride was said to be about 420w (for more than 3 times the duration) while Ganna averaged over 500w for the 19 km stage 1 TT in the Giro on Saturday.

Sturgess's 18:48 comp record was set on his standard steel road bike - Reynolds 753 frame and a Campagnolo C-Record groupset (downtube shifters!) with a 52x13 top gear and some 28-spoke time trial wheels. Info from a Cycling Weekly article about George Fox's bike and last weekend's ride. Fox had previously clocked 19:19 for a '10' on a Giant Propel in 2019.

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cunniff81 replied to Simon E | 1 year ago
0 likes

I remember doing a local TT here in South Australia (flat one 18km, so just over 10mile), and Chris Harper did it on his climbing bike with shallow wheels and normal kit and helmet. He averaged over 50km/h, I think it was in that 51km/h area, I should try to find the results. Was bloody amazing to see

I also have one of these TT bikes and was keen to do the same to make it a crit machine, if I ever update my TT

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Simon E replied to cunniff81 | 1 year ago
1 like

One year (around 2010?) Aussie MTB rider Dan McConnell was in the UK with the Torq team and clocked under 22 minutes for our local 10 mile TT on his XC race bike, apparently with knobblies. Jaws dropped in the pub that evening.

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lesterama replied to Simon E | 1 year ago
2 likes

Sturgess was a great rider. I saw him ride track a few times. The fact that his record wasn't broken until now shows what an amazing ride his 18:48 was.

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Bigfoz replied to lesterama | 1 year ago
2 likes

I sold Colin's dad my track frame - gold Zeus IIRC (Or a DHC) back when we were all in Joburg. Not sure if it was for Colin himself or for one of the other riders Colin's dad was coaching. Scary thing is that was more than 40 years ago!

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