{"version":"1.0","type":"rich","provider_name":"Acast","provider_url":"https://acast.com","height":250,"width":700,"html":"<iframe src=\"https://embed.acast.com/$/f3fb5c75-b943-4f5d-bd87-27c91611dd24/6ad892be70af2b1aa7d3d21e?\" frameBorder=\"0\" width=\"700\" height=\"250\"></iframe>","title":"Lactate: Fuel or Fiction? / Kona Lessons on Carbs and Pacing / World Rugby Cracks Down on the Hip Drop Tackle","thumbnail_width":200,"thumbnail_height":200,"thumbnail_url":"https://open-images.acast.com/shows/6100856531fd81f125b34dac/1792577943871-08ad25d0-5b8d-41f6-8c27-ab30a5f06b25.jpeg?height=200","description":"<p><a href=\"https://www.patreon.com/c/thescienceofsport/membership\" rel=\"noopener noreferrer\" target=\"_blank\">Become a Supporter</a> for less than the price of one lactate gel a month, and get ad-free shows, a members-only Applied show every week, and Discourse. We promise it is a better investment than the lactate gel, and it won&#39;t cause gut issues either!</p><p><br></p><p><strong><u>Show notes</u></strong></p><p><br></p><p>This week, lactate gels go on sale with Tadej Pogačar’s name in the promotions, and we test the claim that lactate is a “third fuel source”, before revisiting carbs and the Kona collapses:</p><p><br></p><ul><li>(00:00:19) The lactate gel UAE Team Emirates used at the Tour de France is now on sale. We look at the marketing, ask whether 10 grams of lactate can beat 10 more grams of carbs, and go through the studies, which so far <a href=\"https://journals.physiology.org/doi/epdf/10.1152/japplphysiol.00536.2024\" rel=\"noopener noreferrer\" target=\"_blank\">suggest stomach problems</a>, unchanged <a href=\"https://www.mdpi.com/2411-5142/9/3/139\" rel=\"noopener noreferrer\" target=\"_blank\">blood lactate levels</a>, and <a href=\"https://pmc.ncbi.nlm.nih.gov/articles/PMC11357576/\" rel=\"noopener noreferrer\" target=\"_blank\">dubious performance benefits</a>. Ross is skeptical, though open to a brain/signalling role, or a buffering effect</li><li>(00:27:06) What <a href=\"https://www.nytimes.com/athletic/7692138/2026/10/15/taylor-knibb-ironman-world-champion-interview/?unlocked_article_code=1.JlE.3vnP.Yf9ilgqk-bEY&amp;source=athletic_user_shared_gift_article_copylink&amp;smid=url-share-ta\" rel=\"noopener noreferrer\" target=\"_blank\">Taylor Knibb got right at Kona (patient pacing, and a walk through an aid station)</a>, what Kristian Blummenfelt would change, and why <a href=\"https://www.tri247.com/triathlon-news/elite/lucy-charles-barclay-kona-dnf-still-hurting-2026\" rel=\"noopener noreferrer\" target=\"_blank\">Lucy Charles-Barclay “still doesn’t know what happened”</a></li><li>(00:35:41) Tim Noakes now has a <a href=\"https://x.com/LoreofRunning1/status/2112263008978420093\" rel=\"noopener noreferrer\" target=\"_blank\">“novel” brain mechanism for why 120 grams of carbs an hour works</a>. Is it a U-turn? And is it novel?</li><li>(00:43:19) Road sprinter <a href=\"https://x.com/xavierdisley/status/2111075427494113666/photo/1\" rel=\"noopener noreferrer\" target=\"_blank\">Jonathan Milan becomes the first man under 3:59 in the individual pursuit</a> at the Track World Championships</li><li>(00:51:13) A survey calls <a href=\"https://www.theguardian.com/sport/2026/oct/20/british-cycling-world-championship-toxic-culture-matt-richardson\" rel=\"noopener noreferrer\" target=\"_blank\">British Cycling’s culture “toxic”</a>, and the <a href=\"https://www.theguardian.com/sport/2026/oct/19/larry-nassar-judge-gymnastics-still-being-failed-team-usa\" rel=\"noopener noreferrer\" target=\"_blank\">judge in the Larry Nassar trial says sport has barely changed</a>. Why is safeguarding so hard to implement in elite sports environments?</li><li>(01:03:45) <a href=\"https://www.world.rugby/news/1048291/world-rugby-clarifies-law-on-dangerous-tackles\" rel=\"noopener noreferrer\" target=\"_blank\">World Rugby cracks down on hip drop and knee drop tackles</a>, and Ross explains the evidence that informed the decision, from 13,000 coded tackles</li><li>(01:13:31) Canada beat England, ending their unbeaten run in women’s rugby</li><li>(01:16:55) And finally, a boxing referee ignores the towel (twice), and Lamine Yamal has played 8,200 minutes of football by the age of 18.</li></ul>","author_name":"Professor Ross Tucker and Mike Finch"}