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The Historic Two-Hour Barrier Broken They call Sabastian Sawe the silent assassin. But it was impossible to ignore the beautiful destruction on the streets of London as the 30-year-old Kenyan became the first athlete to shatter the two-hour barrier in an official race. As Sawe crossed the line on the Mall, the clock showed that he had run 26.2 miles in a staggering 1 hour, 59mins and 30 seconds – 65 seconds faster than the previous best set by Kelvin Kiptum in 2023. The Record-Shattering Performance The world record had not just been destroyed. It had been obliterated. He came. He Sawe. He conquered. "I am feeling good, I am so happy," said Sawe. "It is a day to remember." Sawe's team had insisted their man was in shape, and that he would be helped by wearing the latest pair of Adidas Adios Pro 3 supershoes, which weigh in at just 97 grams – lighter than a baby kitten – and will retail for about £450. But no one expected this. Unprecedented Competition Not long behind him was Ethiopia's Yomif Kejelcha, who was 11 seconds back in his debut marathon. His time would have also shattered the world record. Uganda's Jacob Kiplimo, who came third in 2:00:28, was also inside it too. "I think today, it shows me a lot," Sawe told BBC Sport afterwards. "There is time for everyone. I think I was well-prepared because coming to London for the second time was so important to me." The Science Behind the Speed For the elite racers, the weather at the start was almost perfect for fast times: 11 degrees Celsius, sunny, and with a gentle tailwind over the crucial last few miles. And six men – including the favourites, Sawe and Kiplimo – were determined to take advantage. They hit the 10km mark, just before Cutty Sark, in 28 mins and 25 sec, a shade under world-record pace, and were through halfway in 60:29 secs, 12 seconds down. The Final Push to Glory At this point the men's race looked like being fast but not record-breaking. When the last pacemaker dropped out, though, Sawe and Kejelcha suddenly charged clear at a drinks station, surprising Kiplimo who found himself unable to fight back. By now they were pouring the pace on. Between 30-35km they ran an astonishing 13:54 5km. To put into context, the time is just 12 seconds slower than the world record for a 5km parkrun, set by the Irish international runner Nick Griggs. The Doping Question Addressed Naturally there will be questions about whether we can trust Sawe's record, given the chequered history of Kenyans failing doping tests in recent years. It should be noted, however, that before the Berlin marathon in September, Sawe's sponsors, Adidas, paid the Athletics Integrity Unit £50,000 to test him as many times as possible because they wanted to show he was clean. Not only was Sawe tested 25 times in a few weeks, but his samples were also scrutinised with top-end analysis, including isotope ratio mass spectrometry testing, which is much better at detecting tiny levels of banned drugs. The Women's Race Record The women's race turned into a three-way sprint down the Mall, with the Ethiopian Tigst Assefa defending her title after kicking from home in sight of Buckingham Palace. Her time of 2:15:41 was a women's only-word world record, which applies to races with only women's pace makers but is nearly five minutes slower than the official women's world record. In second place, 12 seconds back, was Kenya's Hellen Obiri, while her compatriot Joyciline Jepkosgei finished third. The Future of Marathon Running Sawe's achievement marks a new era in marathon running, pushing the boundaries of what was once considered humanly possible. With advancements in training techniques, equipment technology, and increasingly sophisticated doping detection methods, we can expect more records to fall in the coming years. The two-hour barrier, once thought to be an insurmountable milestone, has now been officially conquered, opening the door for even more ambitious targets in the sport.

The 'Characterization Bottleneck' in Biotech While AI models like Google DeepMind's AlphaFold have revolutionized the field by predicting protein structures with unprecedented accuracy, they have inadvertently created a new problem: an overwhelming flood of potential drug candidates. The industry is now facing a critical bottleneck where the supply of AI-generated hypotheses far outstrips the capacity to physically characterize and test them. 10x Science was founded specifically to address this gap, aiming to streamline the transition from digital prediction to physical validation. 10x Science Raises $4.8M to Automate Mass Spectrometry The startup announced a $4.8 million seed round today, led by Initialized Capital and backed by Y Combinator, Civilization Ventures, and Founder Factor. The three founders—David Roberts and Andrew Reiter, experienced biochemists, and Vishnu Tejas, a serial founder in computer science—previously worked together in the Stanford lab of Nobel laureate Dr. Carolyn Bertozzi. Frustrated by the inability to understand molecular interactions precisely, they built a platform that combines deterministic chemistry algorithms with AI agents capable of interpreting complex data. Founding Team: David Roberts, Andrew Reiter, and Vishnu Tejas. Seed Round: $4.8 million led by Initialized Capital. Key Differentiator: Traceable analysis to meet regulatory compliance standards. Accelerating Molecular Analysis with AI Agents The core value proposition of 10x Science lies in its ability to democratize mass spectrometry, a technique traditionally requiring expensive equipment and deep expertise. By training models on vast amounts of spectrometry data, the platform allows researchers to bypass the 'can of worms' of manual data interpretation. Matthew Crawford, a scientist at Rilas Technologies, notes that the AI not only speeds up analysis but also adapts to different molecules and can infer protein identities from file names, significantly reducing manual programming effort. Democratizing High-End Chemical Analysis for Biopharma 10x Science is positioning itself as a SaaS platform that pharma companies must subscribe to for ongoing compliance and efficiency. Unlike traditional biotech investments that rely on a single drug succeeding, 10x offers a recurring revenue model based on the utility of the tool itself. The platform helps researchers who lack the resources to deploy expensive spectrometry equipment, allowing them to focus on the next steps in research rather than getting bogged down in complex data analysis. The Future of 'Molecular Intelligence' in Drug Development Looking ahead, 10x Science aims to expand beyond simple characterization to offer a new definition of 'molecular intelligence.' By combining protein structure data with other cellular metrics, the company hopes to provide a holistic view of biology. Investors like Zoe Perret at Initialized Capital believe the deep domain expertise of the founders will protect the company from competitors, as the intersection of chemistry, biology, and AI remains a highly specialized niche.