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Foot race or arms race? New York City Marathon runners enter high-tech shoe debate

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NEW YORK — Among the otherwise typical New York City Marathon storylines — like course records and prep for the U.S. Olympic Trials on Feb. 29 — is the debate over shoe technology that escalated after recent historic performances.

Sunday’s race is the first major marathon since the breakthrough weekend of Oct. 12-13.

Kenyan Eliud Kipchoge became the first person to run a sub-two-hour marathon (not in a race, but in a non-record-eligible event where he was the only contestant, with pacers). The next day, countrywoman Brigid Kosgei won the Chicago Marathon in 2:14:04, shattering the 16-year-old women’s world record by 81 seconds.

Both Kipchoge, regarded as the greatest marathoner in history before his 1:59, and Kosgei, arguably the world’s greatest active female road runner before the 2:14, ran in versions of the Nike Vaporfly — uniquely tall shoes on the outside with a carbon fiber plate on the inside. Kipchoge has been running on versions of them for years, including when he lowered the world record by 78 seconds to 2:01:39 in 2018.

In the last 13 months, four men combined to run the five fastest marathons in history, all reportedly in versions of the Vaporfly. Other shoe companies have been tasked to catch up to Nike’s technology since the Vaporfly debuted in 2016.

“It is an arms race, and it should be a foot race,” said Des Linden, a two-time Olympian and 2018 Boston Marathon champion who is sponsored by and runs in Brooks shoes. “We should find out who the best athlete is and who can cover 26.2 [miles] better than the other person. Not who has the newest, greatest technology.”

Linden said she will race Sunday in the latest version of a shoe that Brooks has been working on for two years but didn’t say how close its technology was to the Nike Vaporfly.

“I’m not sure how much I can say about the Brooks shoe,” she said. “I’ve had conversations with them where it was like, is this OK to wear? What’s your guys standing on this? They’re like, yeah, it’s absolutely widely available to the public. There’s plenty of Brooks athletes out there in that shoe. The technology isn’t something that isn’t available to the public. It seems like we’re in a good spot.”

The IAAF, track and field’s international governing body, does have rules regulating shoes.

“Any type of shoe used must be reasonably available to all in the spirit of the universality of athletics,” it reads. “Shoes must not be constructed so as to give athletes any unfair assistance or advantage.”

Days after Kipchoge and Kosgei’s breakthroughs, the IAAF said it commissioned a group to review shoe technologies and possibly recommend rule changes by the end of the year.

“It is clear that some forms of technology would provide an athlete with assistance that runs contrary to the values of the sport,” the IAAF said. “The challenge for the IAAF is to find the right balance in the technical rules between encouraging the development and use of new technologies in athletics and the preservation of the fundamental characteristics of the sport: accessibility, universality and fairness.”

Versions of the Vaporfly have been made available to the public, but Kipchoge ran his 1:59 (again, not in a race) in a prototype. Linden said she doesn’t think the playing field is level between athletes in Nike shoes and those who are not.

“Every company has a different pace that they’re working at,” she said. “So we’re all obviously behind [Nike] to begin with.

“Now that it’s available, it’s everyone playing catch-up. I think that we can get there, but also, are they going to put a hard stop against how far this can go?”

Another top American in the New York City field, Sara Hall, just chopped four minutes off her marathon PR last month wearing her Asics.

“I haven’t run in carbon-plated shoes at all,” she said. “But I think the upside of that is, I really feel like I have ownership over my PRs and stuff. I know I worked really hard to get that PR, and I didn’t just have springs and things like that.”

Jared Ward, who finished sixth at the Rio Olympics (not in Vaporflies), said he’s running Sunday in the latest version of a Saucony shoe that will be released in the spring. Ward, also a statistics professor at BYU, said he hasn’t put a lot of thought into the Nike shoes, but that the shoe industry “is on its side a little bit.”

“At some point, there’s diminishing returns because if you get taller and taller shoes, you have to build wider and wider shoes, and then they start getting heavy,” he said. “In a year or two, things are going to stabilize, and then we’ll be back to running.

“I’m looking more at what the athletes are doing. I think Kipchoge and Kosgei are some of the best, probably the best marathoners ever. And so we put them in good shoes, and they run well, but they’re going to run well in whatever they’re running in.”

The Vaporflies were created in part because athletes did not find the lightweight, minimalist shoe movement to their liking. Take Shalane Flanagan, the four-time Olympian, longtime Nike athlete and 2017 New York City Marathon winner who recently retired.

Flanagan said she and other marathoners told Nike around 2014 and 2015 that they wanted more cushioning. Eventually, Flanagan and Amy Cragg debuted a version of the Vaporfly at the 2016 U.S. Olympic Trials.

“Even within my training, I felt I was able to recover quicker because there wasn’t as much muscle breakdown, fiber breakdown, because the load of the landing was softened,” she said. “I was able to get through the training and not feel so sore all the time.”

Those first Vaporflies had a carbon fiber plate, but not nearly as technical as the newer versions, said Flanagan, now coaching a Nike group of runners in Oregon.

“At the time it was more focused on the foam than the shank that was within it,” she said.

Flanagan, before answering questions on the subject, admitted she has bias as a Nike athlete/coach.

“If you look at all different sports, there’s always been kind of a pivotal point in which the sport has decided we’re going to this direction or we’re not going to go a direction in terms of innovation,” she said, noting high-tech swimsuits (banned in 2010), tennis rackets, speed skating suits and baseball bats. “It’s up to our sport to decide which direction we want to go — innovate or stay the same?”

One of the high-profile Nike athletes running on Sunday is Kenyan Geoffrey Kamworor, the half marathon world-record holder, 2017 New York City champion and a training partner of Kipchoge. He will race in Vaporflies, but not the same version that Kipchoge had three weeks ago. Kamworor was asked what he would say to those who want them regulated or even banned.

“Vaporfly shoe is not only for the elite athletes, but it’s also for the average runners,” he said, referring to the IAAF’s mandate of universality. “It’s not limited to some people. It’s for everyone.”

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Regan Smith swims another historic backstroke time at Pro Series meet

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Regan Smith, who last summer broke both backstroke world records, put up the fastest 100m back in history outside of a major international meet or trials competition on Saturday.

Smith, a 17-year-old Minnesota high school senior, clocked 58.26 seconds to win at a Pro Series meet in Knoxville, Tenn. It tied for the 12th-fastest time in history. None of the other fastest dozen came in January, six months out from when swimmers peak for the world’s biggest events like the Olympics.

Making it more impressive: Smith did it 27 minutes after finishing second in the 200m butterfly, which she’s also expected to contest at June’s Olympic trials in Omaha.

“It actually wasn’t as bad, as I was nervous it was going to be,” Smith, whose world record is 57.57, said of the double on NBCSN. Smith entered two events per day at the three-day Knoxville meet, in part to prepare for the trials, where she is slated to race six straight days in a bid to make the Olympic team in enough events to swim eight straight days in Tokyo.

On Saturday, Smith held off fellow 17-year-old Phoebe Bacon by six tenths. Bacon beat Smith at the U.S. Open in December, posting the second-fastest time among Americans in the event for 2019.

The teen emergence puts pressure on Kathleen Baker, the Rio Olympic silver medalist who had the world record before Smith took it at worlds.

Full Knoxville results are here. USASwimming.org live streams the last night of finals Sunday at 6:30 ET.

In other events Saturday, world silver medalist Hali Flickinger overcame Smith in the 200m fly, winning in 2:08.34. Smith, third-fastest among Americans last season, was .39 behind. The second-fastest American last year, Katie Drabot, was not in the field. The top two at trials make the Olympic team.

Erika Brown beat world champion Simone Manuel in a freestyle sprint for a second straight meet, taking the 50m free in 24.57 seconds.

Brown, a University of Tennessee senior, edged Manuel by .06 and took .01 off her personal best. Brown ranked third among Americans last year behind Manuel (24.05) and Abbey Weitzeil (24.47).

Brown also defeated Manuel in the 100m free at the U.S. Open in December, moving to fourth-fastest in the U.S. last year in that event. The top six in the 100m free at trials are in line to make the Olympic team, given relay spots.

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Mikaela Shiffrin nearly makes it three-way tie for World Cup win

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Mikaela Shiffrin came .01 shy of making it a three-way tie for a World Cup giant slalom win on Saturday, confirming GS has been the most up-for-grabs discipline for either gender in recent years.

Shiffrin, beaten in her last two slaloms, had the fastest second run to place third behind co-winners Italian Federica Brignone and Slovakian Petra Vlhova in Sestriere, Italy. The reigning Olympic and World Cup champion in the GS rallied from fourth place and .42 behind after the first run.

Shiffrin still leads the World Cup overall standings by 233 points over Vlhova. The American last won Dec. 29. Though she made the podium in three of her four races since, Shiffrin expressed a lack of confidence heading into this weekend’s races at the 2006 Olympic venue.

“The most exciting thing for me is that people have stopped asking me, like, are you unbeatable?” said Shiffrin, who won a record 17 World Cup races last season and has four victories nearly halfway through this season, tied with Vlhova for most on tour. “I feel really good in GS. It’s just been a long time since [the last GS on Dec. 28].”

Vlhova earned her third victory this month after beating Shiffrin those last two slaloms. Brignone leads the GS season standings by 61 points over Shiffrin, seeking to become the sixth different woman to win that discipline title in the last six years. There are four more GS races left this season.

It’s the second straight season with a World Cup GS tie. Last Feb. 1, Shiffrin and Vlhova tied in Maribor, Slovenia.

It’s the first time the top three finishers were separated by such a small margin since the last three-way tie for a win in 2006, when Lindsey VonnMichaela Dorfmeister and Nadia Styger had the same super-G time, and fourth-place Kelly VanderBeek was .01 behind.

“Last season, I had the lucky side of the hundredths many times, so sometimes I’m not going to be on the lucky side, too,” said Shiffrin, who had three victories by .16 or tighter last season.

World Cup racing continues with a parallel giant slalom on Sunday at 5:45 a.m. ET on Olympic Channel: Home of Team USA and streaming on NBC Sports Gold.

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