Xavi Schelling @xschelling

VP Player Performance and Wellness @Spurs | @NBA Sports Science | Epistemology, falsifiability, systems thinking | PhD² MSc³ bit.ly/1Fqx4ny San Antonio ⇌ Barcelona Joined March 2011

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Xavi Schelling @xschelling

2 months ago

x.com/JacobRTobey/st…

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ESPN @espn

2 months ago

NEW YORK VS. SAN ANTONIO 🏆 THE 2026 NBA FINALS ARE SET 🔥

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Dan Weiss @DanWeissPBP

2 months ago

Tonight marks the @spurs 100th game of the season including the 5 pre-season games, 82 regular season games, the Emirates NBA Cup Final, & the 11 playoff games to date. #PorVida

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Xavi Schelling @xschelling

3 months ago

Yomif Kejelcha: Lo que come para correr una #maratón en menos de dos horas | #Sub2 #carbs #LaRevuelta | youtube.com/shorts/0cQEqYR… 😅

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Mushtaq Bilal, PhD @MushtaqBilalPhD

3 months ago

Students who take notes by hand get better grades than those who use laptops, especially in STEM fields.

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It might be that simple… 🤔 After winning his second London Marathon, Sabastian Sawe was asked about the most important part of his prep to set the new world record of 1:59:30. He credited his ability to run more mileage as the key to his success. 🎥 Full interview: youtu.be/PF_lSVu8tG0

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Steve Magness @stevemagness

3 months ago

What in the world did we just see! The 2 hour marathon barrier has been broken. Three guys went under the old world record... Sabastian Sawe just ran 1:59:30 with crazy negative splits, closing the last half in 59:01....faster than the American Record in the half. One of the most mind blowing performances we've seen. How did we get here? Every breakthrough is a mixture of belief and progress. It takes folks daring to see what's possible, surrounding themselves with a quality team and doing the work to give themselves a shot. You've got to bet on yourself in a big way. When asked whether he believed he could run a sub-2-hour marathon before the race, Sawe answered with one word: "Yes." Let's get the obvious out of the way. Performance enhancing drugs are the legitimate question mark to every breakthrough. So Sawe did as much as he could about taking that off the table. He and his team asked to be tested all the time. His sponsor put up 50K to the Athlete Integrity Unit. The tests are run independently, no advance notice. Over a 2 month stretch, he went through 25 drug tests. There's always a doubt. There has to be given what we know. Hopefully there's transparency in the results. But hats off to Sawe for addressing it: "I want to prove that I am clean when I set foot at the start line." But how'd we actually get here where two guys went sub 2 in the same race? 1. Shoe tech We've had a revolution in shoe technology that boosts running economy. For years shoe companies said their shoe would make you faster and was mostly marketing. Until 2016, when it actually did. Initial research showed a 3-4% saving in economy, while subsequent work has shown it's highly variable. Now, it's a matching game. Find the perfect shoe for your form and you can get a big boost. Normally, it takes years of lots of miles and strength training to boost economy. But now we get that instant boost that not only helps boost performance but often leaves us feeling less beat up in the later stages of the marathon. So we get a little bit less hitting of the wall... 2. The fuel For a long time, fueling was limited by biology. You can only take in and process so much. Then in the 2000s, researchers found if we mixed sugars, we can boost intake because they're processed differently. Then recently, Maurten found if you use a hydrxogel, you boost utilization without GI distress anymore. We've gone from pushing 60g/hr to 120g/hr in a few decades. Again...less bonking. 3. Depth A few decades ago, you spent your career racing on the track and then once your speed started to fade a bit you went to the marathon. Now, many skip right to the marathon. That's where the money is. And with the economy boost from the shoes, you can make that jump quickly. More depth of talent means more competitors in their prime pushing barriers. 4. Belief Even with the shoes and tech, a few years ago sub 2 hours seemed a long way off, until Kipchoge pushed that barrier in a series of time trials. Yes, they weren't official races and had contrived pacing. But it absolutely shifted everyone's thinking on what is possible. A generation of runners saw Kipchoge go for it. Our prediction of what is possible changed. It's mind blowing how far we've come in such a short time. What once seemed decades away, just got smashed twice in the same race. Hats off to Sawe, especially for addressing the scourge of doping and showing folks what is possible with a lot of hard work, some crazy belief, and some fortuitous advances.

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Xavi Schelling @xschelling

3 months ago

Gran, Jordi! 🌹

NBA - Jordi de Mas @demas6Basket

3 months ago

Brooklyn Nets x Sant Jordi Enorme Jordi Fernández 👏

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San Antonio Spurs @spurs

3 months ago

UNANIMOUS 😤 Congratulations @wemby on winning @Kia NBA Defensive Player of the Year!

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Xavi Schelling @xschelling

4 months ago

@HernandezAlex11 Álex, un ejemplo dentro y fuera de la pista. Un placer haber trabajado contigo. Suerte en tu próxima etapa, que seguro será tan exitosa o más que la deportiva!

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Xavi Schelling @xschelling

11 years ago

#science #publishing by Wolfgang Pauli (physicist, 1900-1958)

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Xavi Schelling @xschelling

4 years ago

Steve Jobs on “consultants”: advisors taking no risk, with no outcome ownership, nor skin in the game.

Ticker History 🗞 @TickerHistory

4 years ago

Steve Jobs on consulting $AAPL

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Xavi Schelling @xschelling

8 years ago

Understanding is recognizing patterns... “Nonsense” is many times just lack of context.

Rafael Vídac ★ @Rafael_Vidac

8 years ago

Llamamos caos al modelo que aún no comprendemos.

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Xavi Schelling @xschelling

4 months ago

The danger is not misunderstanding others, it’s believing you understand them completely. — inspired by El túnel, Ernesto Sabato.

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Xavi Schelling @xschelling

4 months ago

@TorrentsCarlota @Robertson_SJ Gràcies a tu, Carlota, per les revisions que han fet la meva tesi millor, i per la teva constància compartint noves maneres d’entendre els sistemes complexos i la creativitat en l’activitat física i l’esport.

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Xavi Schelling @xschelling

4 months ago

Done. My second PhD is complete. Grateful to my co-authors, and especially to my supervisor and friend, @Robertson_SJ. And to everyone who’s been part of the journey along the way. On to the next.

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Sam Robertson @Robertson_SJ

4 months ago

Congratulations Xavi on this achievement, it has been a pleasure throughout. A topic that is even more relevant to sporting organisations today than it was when you started.

Xavi Schelling @xschelling

4 months ago

Done. My second PhD is complete. Grateful to my co-authors, and especially to my supervisor and friend, @Robertson_SJ. And to everyone who’s been part of the journey along the way. On to the next.

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San Antonio Spurs @spurs

4 months ago

Enjoying each other's success 🤝

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Xavi Schelling @xschelling

5 months ago

x.com/heygurisingh/s…

Xavi Schelling @xschelling

4 months ago

Done. My second PhD is complete. Grateful to my co-authors, and especially to my supervisor and friend, @Robertson_SJ. And to everyone who’s been part of the journey along the way. On to the next.

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Xavi Schelling @xschelling

5 months ago

#AI users (all of you out there), this is an important read.

Nav Toor @heynavtoor

5 months ago

🚨BREAKING: OpenAI published a paper proving that ChatGPT will always make things up. Not sometimes. Not until the next update. Always. They proved it with math. Even with perfect training data and unlimited computing power, AI models will still confidently tell you things that