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Thirty miles out of the old mining town of Leadville the road twisted 180-degrees and rose dizzyingly above and behind us. I had been comfortably out of breath for the past hour, but as a gentle climb through pine forests gave way to a 6% treeless grind I could feel panic build.Independence Pass reaches 3,685 metres as it crosses the continental divide, the spine of the Rockies separating the Pacific and Atlantic watersheds. That’s nearly 900 metres above the highest point ever reached o

n the Tour de France (the Col de la Bonette at 2,802m) – and way beyond anything I had ever attempted on a bike.A 6% slope shouldn’t be so hard but somehow stage five of the 520-mile Haute Route Rockies found me simultaneously gasping while breathing in slow motion: desperate for the next lungful before I could finish expelling the last. I was out of sync, in deficit, disconnected. Facebook Twitter Pinterest Riding through the town of Leadville, known for its 100-mile ultrarunning and MTB races.The Haute Route is a series of tough week-long events held every year across the mountains of the Pyrenees, Alps and Dolomites. They are the closest an amateur can get to riding a multi-day pro race: moving hotels, managing nutrition, daily massages, police motorcycle outriders, support vehicles and roadblocks, the long days in the saddle, the early mornings and early nights.Some of the 500 taking part in the inaugural Haute Route Rockies were regular riders for whom it was enough just to complete seven days across mountainous tarmac and rarely-ridden gravel in the high country of Colorado. Many, though, were serious amateur racers testing themselves against ex-pros like former RadioShack rider Matthew Busche and British Olympian Emma Pooley. Judging by their slight frames and shaved legs they took their racing seriously (one or two maybe too seriously). Facebook Twitter Pinterest The Rockies race features more than 15,000 metres of vertical ascent.It is a challenge to prepare for high mountains when you live at sea level, and difficult to find time to train at all with work and family commitments. I started using Zwift around 18 months ago when it was on beta and I was soon hooked, pitting myself against thousands of riders from around the world in a weekly fix of races. For decades, turbo trainers had only really been loved by time trialists like Chris Boardman and Michael Hutchinson – you had to be supremely motivated to put up with that kind of boredom. Zwift’s hyper-real 3D world and addictive gameplay changed all that. Puddles of sweat on the spare room floor were testament to the toughness of the trainingWhen a broken arm stopped Australian pro rider Mathew Hayman riding his bike on the road in the runup to the classic Paris-Roubaix race last year he turned to virtual training, balancing his plaster cast on a step ladder in his garage as he thrashed out the miles on Zwift. The results were spectacular. Hayman’s coach, Kevin Poulton, drew up a schedule to prepare me for the Rockies, so five nights a week for a month and a half I completed a one-hour interval session around Zwift’s virtual 3D world. Puddles of sweat on the spare room floor were testament to the toughness of the training – but could it be adequate preparation for the rigours of a real-life race? Facebook Twitter Pinterest Virtually real: Nick(right) and a Zwift avatar(left)The chance to follow in the wheels of Tour de France lege

nds up ascents like Alpe d’Huez or the Tourmalet is a big draw for cyclists in the Alps and Pyrenees. If the climbs of Colorado lack the rich cycling history of Europe, the ear-popping heights of Independence Pass are as close as it gets. It is the state’s “most iconic climb” in the words of Haute Route race director Chandler Smith, and featured many times in the Coors Classic (won in 1988 by local cyclist Davis Phinney, father of Taylor) and the now-defunct USA Pro Challenge.As I inched by the pass’s “5K to summit” sign it was time to call on my virtual-world training. I made a rough calculation. Three miles to go at my current crawl should be over inside 30 minutes. In turbo training terms, that corresponds to a zone 3 “tempo” effort – the kind of out-of-breath but not gasping push you can sustain for half an hour. I knocked down to an easier gear and tried to hit the sweet spot I knew so well from my spare room. When I made out the continental divide monument in the lunar landscape ahead I knew it was over.  Facebook Twitter Pinterest The Haute Route Rockies 2017 course profile. The Haute Route only times sections where race organisers can give riders priority at junctions, meaning a system of rolling roadblocks, marshalls a

nd police motorcycle outriders. The clock stopped at the top so we were able to enjoy a leisurely feed at the aid station before it was back on the bike for the run down to the manicured chalets of Aspen in the valley below. The smooth, wide tarmac and long, sweeping curves of Colorado’s highways were a revelation for someone with limited descending ability. I rarely had to touch the brakes. Once over the finish line at Snowmass ski resort the day followed the same basic pattern: another feed (my GPS reckoned I had burned 6,000 calories), a shower and a complimentary 15-minute massage to patch up any niggles. Next came the daily post-race briefing, where competitor and former pro Janel Holcomb gave us tips on how to tackle the rarely visited dirt roads that make up a quarter of the route – basically, stay seated on climbs to keep your weight over the back wheel and never stop pedalling. Facebook Twitter Pinterest A quarter of the Haute Route Rockies was raced on dirt roads. Sections such as the 3,100m Kebler Pass on stage six are only passable for a couple of months a year, and safely negotiating 10% gravel slopes requires a whole new set of skills you can’t learn on a turbo trainer. Holcomb’s tips and Colorado’s fondness for magnesium chloride (a dust suppressant with environmental consequences) certainly helped – though I saw a few riders emerging from ditches nursing grazed legs and bruised egos, and heard of two broken collarbones.Virtual v realityWhile turbo trainers can’t do a lot for handling skills, Zwift’s virtual world is mercifully crash-free (and lacks potholes and badly driven Ford F150 pickup tru

cks). Poulton’s schedule featured a variety of workouts – from long endurance sections to high-intensity VO2 and short anaerobic blasts – that built up difficulty over six weeks. The main focus was on low cadence, high-power efforts to replicate the many long climbs of the Haute Route. Facebook Twitter Pinterest Emma Pooley, who comfortably won the women’s race.Being able to get on the bike, complete a hard training session and jump straight in the shower in the space of an hour was the biggest draw for me – it normally takes that time just to get out and back from anything approaching a quiet, hilly road near London. In the year and a half I used Zwift my FTP, which estimates the power you can produce for an hour, rose 30% to 360 watts.“It is just so time efficient,” says Poulton. “When you are on the bike there is not one wasted pedal stroke. The muscles are always under some type of strain. Because the conditions inside are always the same, it can be very specific and controlled, and there is no waiting at traffic lights or free-wheeling downhill. People are surprised how big the effect is.”Zwift was created after co-founder Eric Min had the idea of harnessing video game technology to enliven deadly dull indoor cycle training, and the Long Beach company’s designers have been trying to improve on reality ever since.The main Watopia course features flat terrain (including a glass tunnel under the ocean, with manta rays, dolphins and shoals of fish flashing past); one hilly section passes through a Tuscan hill town; the mountain stage rises 500 punishing metres, with icy bridges and dizzying drops; and an undulating loop around a volcano involves riding right through the heart of the crater. They have set out to improve on London too. A course around their version of the city features the Mall as expected – but they have moved Box Hill to a much more convenient location somewhere near Lambeth, while gold figures of cyclists have deposed the real-world statues of monarchs and generals.Playing on a big screen, the 3D world is so detailed you can see the repaired “cracks” in the tarmac road surface, and watch individual leaves on the shadows of trees pivot as you roll past. Locked in a hard session, I would occasionally look up to catch sight of a flock of birds over a distant bay, or glimpse the faint outline of a ski lift on the mountain. The unexpected details temporarily distract from the pain, just like in real life.Even though you never really meet them, the other riders help too. Being overtaken is always a great incentive to dig deeper, and it is even possible to strike up unplanned alliances, taking turns on the front, and getting further and faster than you could do alone. Facebook Twitter Pinterest In Colorado, even hairpins are long sweeping corners.Of course it is no match for the Rockies. It is a huge luxury to escape the daily grind: for a week, our existence became riding bikes, eating well, getting massaged and sleeping. From when the first stage hit the mountains outside Boulder a

t the start of the week, to the finale around Garden of the Gods park in Colorado Springs, the route delivered a constant montage of

almost unreal beauty: wildflower meadows against serrated horizons; bleached cow bones on the boundaries of isolated ranches; the rattle and blast of an unseen freight train; rafters riding rapids in the river below.Riding solo into a headwind isn’t much fun, and I soon learned to watch for groups forming on the occasional long, flat hauls between mountains. We would try to get organised – each rider hiding in the slipstream until it was their turn to take a pull on the front, then dropping down to join the end of the queue; maybe a tap on the back and a muttered “good turn”. When it worked well, the spontaneous nature of this fragile teamwork had a certain beauty too.How it feels to tackle the Tour de France's 'final battle' – the Col d'Izoard Read moreI sometimes preferred riding alone, though, watching eagles soar as I rolled on through. A couple of competitors spotted bears – a mother and cub – through the trees on one of the least travelled stages. Cruising down the dirt track of Trough Road on stage three with no one else around, I watched a pair of horses standing by a ranch fence, and they watched me. They turned as I drew level and galloped alongside for maybe half a minute, no more than a few yards away.

I’d seen this phenomenon many times on televised Tour de France coverage but experiencing it for real was unforgettable. That just doesn’t happen in the virtual world.Places are on sale now for the 2018 Rockies edition of the Haute Route.TopicsBike blogColoradofeaturesShare on FacebookShare on TwitterShare via EmailShare on LinkedInShare on PinterestShare on WhatsAppShare on MessengerReuse this content

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