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Joris Bekkers

@unravelsports

Football Analytics Consultant from the Netherlands PySport since 2023 U.S. Soccer Federation since 2018 AFC Bournemouth 2017 ๐ŸŒ€ ๐š™๐š’๐š™ ๐š’๐š—๐šœ๐š๐šŠ๐š•๐š• ๐šž๐š—๐š›๐šŠ๐šŸ๐šŽ๐š•๐šœ๐š™๐š˜๐š›๐š๐šœ โšก ๐š™๐š’๐š™ ๐š’๐š—๐šœ๐š๐šŠ๐š•๐š• ๐š๐šŠ๐šœ๐š-๐š๐š˜๐š›๐š ๐šŠ๐š›๐š-๐š๐š˜๐š˜๐š๐š‹๐šŠ๐š•๐š• ๐Ÿ”— unravelsports.com ๐Ÿ’ฌ All views are my own

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Latest posts by Joris Bekkers @unravelsports

Now live: presentation videos. Find all recorded talks on our Youtube. Link below.

Now live: presentation videos. Find all recorded talks on our Youtube. Link below.

Recorded presentations from the 2026 ASI Summit are now live on YouTube. To see all of the incredible talks from this year's Summit, visit the link below:

www.youtube.com/playlist?lis...

03.03.2026 21:16 ๐Ÿ‘ 21 ๐Ÿ” 15 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

scholar.google.com/citations?vi...

Same thing, but not the direct download link

25.02.2026 15:58 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Not sure it's 100% what you are looking for, but you'll enjoy this by @jessejdavis.bsky.social and @probberechts.bsky.social either way :)

lirias.kuleuven.be/retrieve/727...

25.02.2026 15:58 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Not gonna lie, I checked if they had announced a fifth speaker ๐Ÿ˜œ

23.02.2026 18:46 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
KU Leuven Institute of Sports Science The KU Leuven Institute of Sports Science is an interdisciplinary network of KU Leuven researchers committed to enhancing sports performance and its broader societal impact.

โšฝCall for Abstracts โšฝ

The abstract submission for the Leuven Institute of Sport Scienceโ€™s #FootballAnalytics Symposium closes this Thursday, Feb 26 @ 17:00 CET

The symposium is on April 23rd. Speakers include @unravelsports.bsky.social and Pascal Bauer (DfB)

www.kuleuven.be/liss/events/...

23.02.2026 16:38 ๐Ÿ‘ 5 ๐Ÿ” 6 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 1

It will never stop being surreal to me that this was happening in the age of floppy disks and walkie-talkies

23.02.2026 08:38 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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โšก ๐…๐€๐’๐“๐‘ญ๐‘ถ๐‘น๐‘พ๐‘จ๐‘น๐‘ซ \\ ๐‘๐ฎ๐ฌ๐ญ-๐ฉ๐จ๐ฐ๐ž๐ซ๐ž๐ ๐“๐ซ๐š๐œ๐ค๐ข๐ง๐  ๐ƒ๐š๐ญ๐š ๐‹๐จ๐š๐๐ข๐ง๐  ๐ข๐ง ๐๐ฒ๐ญ๐ก๐จ๐ง

๐š™๐š’๐š™ ๐š’๐š—๐šœ๐š๐šŠ๐š•๐š• ๐š๐šŠ๐šœ๐š-๐š๐š˜๐š›๐š ๐šŠ๐š›๐š-๐š๐š˜๐š˜๐š๐š‹๐šŠ๐š•๐š•

Today I'm ๐๐ž๐ญ๐š-releasing ๐…๐€๐’๐“๐‘ญ๐‘ถ๐‘น๐‘พ๐‘จ๐‘น๐‘ซ. My new Rust-powered football tracking data loader wrapped in a Python package.

20.02.2026 12:03 ๐Ÿ‘ 13 ๐Ÿ” 4 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0

Not bad, not bad... ๐Ÿ‘€

20.02.2026 15:51 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Thank you! Very happy to see this โค๏ธ

20.02.2026 15:50 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

โš ๏ธ If you work for a (skeletal) tracking data provider, or have access to tracking data that is currently not supported please send me a DM.

This project owes massively to kloppy, and all the hard work from all its contributors! ๐Ÿฉต

20.02.2026 12:03 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

โšก Please test it out, break it, and report your issues on GitHub.

๐๐ž๐ง๐œ๐ก๐ฆ๐š๐ซ๐ค๐ฌ: lnkd.in/e3thdCxF

๐ƒ๐จ๐œ๐ฎ๐ฆ๐ž๐ง๐ญ๐š๐ญ๐ข๐จ๐ง: lnkd.in/e6bAXqi6

๐†๐ข๐ญ๐‡๐ฎ๐›: lnkd.in/ecQW64Fv

20.02.2026 12:03 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

โ€ข Supports wide (each player as multiple columns), long (one row per object) and long_ball (one row per object, ball as columns) layouts
โ€ข Borrows Kloppy's clever io functionalities
โ€ข Supports the Common Data Format, and 9 data providers

20.02.2026 12:03 ๐Ÿ‘ 0 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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โšก๐…๐€๐’๐“๐‘ญ๐‘ถ๐‘น๐‘พ๐‘จ๐‘น๐‘ซ
โ€ข Loads your tracking data up to 20 times faster.
โ€ข Loads your tracking data directly into 5 Polars (or PySpark) dataframes (tracking, teams, players, metadata and periods)
โ€ข Transforms coordinate systems, orientations and pitch dimensions

20.02.2026 12:03 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0
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โšก ๐…๐€๐’๐“๐‘ญ๐‘ถ๐‘น๐‘พ๐‘จ๐‘น๐‘ซ \\ ๐‘๐ฎ๐ฌ๐ญ-๐ฉ๐จ๐ฐ๐ž๐ซ๐ž๐ ๐“๐ซ๐š๐œ๐ค๐ข๐ง๐  ๐ƒ๐š๐ญ๐š ๐‹๐จ๐š๐๐ข๐ง๐  ๐ข๐ง ๐๐ฒ๐ญ๐ก๐จ๐ง

๐š™๐š’๐š™ ๐š’๐š—๐šœ๐š๐šŠ๐š•๐š• ๐š๐šŠ๐šœ๐š-๐š๐š˜๐š›๐š ๐šŠ๐š›๐š-๐š๐š˜๐š˜๐š๐š‹๐šŠ๐š•๐š•

Today I'm ๐๐ž๐ญ๐š-releasing ๐…๐€๐’๐“๐‘ญ๐‘ถ๐‘น๐‘พ๐‘จ๐‘น๐‘ซ. My new Rust-powered football tracking data loader wrapped in a Python package.

20.02.2026 12:03 ๐Ÿ‘ 13 ๐Ÿ” 4 ๐Ÿ’ฌ 2 ๐Ÿ“Œ 0
Loading... | UnravelSports UnravelSports - Sports Data Analytics

unravelsports.com/post.html?id...

This should work, reworked my site a bit

19.02.2026 19:24 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

That's awesome @jessejdavis.bsky.social congrats!!

06.02.2026 10:18 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Really excited to get this project in the public eye. Our mandate at U.S. Soccer is to Grow the Game: lowering the barrier to entry for analysis is the best way we can do that!

26.01.2026 14:41 ๐Ÿ‘ 21 ๐Ÿ” 5 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Incredible open-source resource from @ussoccer.com and @akeaswaran.me!

26.01.2026 16:08 ๐Ÿ‘ 4 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
LISS Football Analytics Symposium On the evening of 23 April 2026, LISS and the DTAI Sports Analytics Lab will host the Football Analytics Symposium. During this symposium, international speakers will share insights on the use of mach...

โšฝEvent Announcementโšฝ

Leuven Institute of Sport Scienceโ€™s #FootballAnalytics Symposium will take place on April 23!

Current invited speakers are Prof. Pascal Bauer (DFB, USaarland) and @unravelsports.bsky.social

Abstract submission closes on Feb 26 @ 17:00 CET

www.kuleuven.be/liss/events/...

22.01.2026 09:08 ๐Ÿ‘ 9 ๐Ÿ” 7 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Thanks for compiling this, as always!! โค๏ธ

29.12.2025 11:22 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Ik heb mijn analyse van alle NAC Eredivisie coaches / wedstrijden terug tot de jaren 60 (met behulp van clubelo.com data) in een kleine website gegoten. Zie bovenstaande link.

28.12.2025 13:43 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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๐Ÿ’›๐Ÿ–ค Het ๐€๐ฏ๐จ๐ง๐๐ฃ๐ž ๐๐€๐‚ bestond gisteren 50 jaar!

Om dit te vieren produceerde ๐๐€๐‚ ๐๐ซ๐ž๐๐š een podcast over dit fenomeen. Ik was te gast om het Avondje NAC in cijfers te duiden.

๐Ÿ“Ž unravelsports.com/avondje-nac/

28.12.2025 13:43 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Great minds think alike ๐Ÿฅฒ

29.11.2025 15:29 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
12.11.2025 15:30 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Yay for open-source and collaboration! It's so cool to get to contribute to these different projects.

05.11.2025 11:32 ๐Ÿ‘ 3 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0

Claude just stochastically parroted me with "But honestly, the easier way is ..."

04.11.2025 12:31 ๐Ÿ‘ 1 ๐Ÿ” 0 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0

Oh, how the mighty have fallen ๐Ÿ™ƒ

31.10.2025 15:00 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
Bay FC Team Behind the Team: Data & Analytics
Bay FC Team Behind the Team: Data & Analytics YouTube video by Bay FC

This is so cool. Shout out to ASA alums and legends @ajbarnold.bsky.social and @arielledror.bsky.social.
www.youtube.com/watch?v=FMcv...

31.10.2025 13:19 ๐Ÿ‘ 21 ๐Ÿ” 8 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 2
30.10.2025 16:30 ๐Ÿ‘ 2 ๐Ÿ” 0 ๐Ÿ’ฌ 0 ๐Ÿ“Œ 0
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๐Ÿ”ท ๐ค๐ฅ๐จ๐ฉ๐ฉ๐ฒ ๐ฏ๐Ÿ‘.๐Ÿ๐Ÿ–.๐ŸŽ ๐ฌ๐ฉ๐จ๐ง๐ฌ๐จ๐ซ๐ž๐ ๐›๐ฒ ๐ˆ๐Œ๐๐„๐‚๐“

Today marks another big day for football analytics! Together with @impect-official.bsky.social
we release a novel dataset with event data for the ๐Ÿ๐ŸŽ๐Ÿ๐Ÿ‘/๐Ÿ๐Ÿ’ ๐†๐ž๐ซ๐ฆ๐š๐ง ๐๐ฎ๐ง๐๐ž๐ฌ๐ฅ๐ข๐ ๐š.

๐Ÿ“Ž kloppy.pysport.org

23.10.2025 12:05 ๐Ÿ‘ 10 ๐Ÿ” 6 ๐Ÿ’ฌ 1 ๐Ÿ“Œ 0