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    A climbing enthusiast competes in an event in Hangzhou, East China's Zhejiang Province on August 11, 2024. Photo: VCGA Hyrox indoor fitness competition recently held in Southwest China's Sichuan Province became a social media sensation, with clips showing sweat-soaked, exhausted but determined participants crossing the finish line quickly spreading online. The event also put into spotlight a sport which some netizens jokingly describe as "1 kilometer is merely a comma."
Dubbed the "marathon of the fitness world," Hyrox is an indoor fitness race combining 8 kilometers of running with 8 functional workout stations - SkiErg, sled push, sled pull, burpee broad jumps, row, farmer's carry, sandbag lunges and wall balls. Unlike some professional competitions, it has relatively low entry barriers.  
In recent years, young people's approaches to exercise have become increasingly diverse. From outdoor climbing and marathons to emerging hybrid fitness competitions such as Hyrox, sports have evolved from simple physical activities into lifestyle choices and social identities for many.
Yet behind the wave of social media check-ins, race photos and inspirational videos lies another reality: the growing risk of sports-related injuries.
The abundance of online content showcasing successful finishes can sometimes obscure the physical demands of these events, creating the impression among some fitness enthusiasts that regular gym workouts and casual running are enough preparation. 
'Extreme' sports for ordinary people
Although activities such as Hyrox appear accessible to the public, the physical pressure they place on participants can be far greater than expected.
"Videos circulating online looked really cool. Several of my fitness buddies had signed up, and we decided to join mainly to experience the atmosphere. We thought we would register first and figure out the rest later," Oliver, who recently participated in a Hyrox competition, told the Global Times.
Oliver, who has maintained strength training and running routines for two years, said he was initially attracted by the energetic images and intense competition scenes shared on short-video platforms.
"The experience was exciting, but during some intervals between stations, my average heart rate often climbed to around 160 bpm, which really made me worry about the risks," he said.
"I usually train at the gym. When I run, I focus on running; when I lift weights, I take enough rest between sets. I rarely practice switching directly from running into heavy lifting under fatigue," he added.
Oliver's experience reflects that of many other participants.
Beyond Hyrox, climbing, marathons and other emerging sports have also gained huge popularity, with many people who previously only participated in casual workouts or recreational running now becoming part of these new sports communities — often inspired by what they see on social media.
On lifestyle platform Xiaohongshu, or RedNote, the Hyrox hashtag has attracted more than 1.5 million posts and 290 million views, while content under the rock climbing hashtag has generated an even higher 2.05 billion views.
However, the rapid rise of these activities has also brought safety concerns, including cases of participants being diagnosed with rhabdomyolysis after Hyrox events, climbing accidents resulting in fractures, and marathon events being suspended due to safety issues.
    Hyrox participants do sandbag lunges during an event in Hangzhou, East China's Zhejiang Province on July 4, 2026. Photo: VCG"Encouraging people to exercise is absolutely positive. But everyone should also remain rational and understand their own limits," Xu Fuli, a professional athlete who has competed in Hyrox and Spartan races and achieved strong results in women's categories, told the Global Times.
Xu said she was happy to see growing interest in emerging sports, but she also worried after witnessing participants collapse or compete despite obvious signs that they could no longer continue safely.
Having trained professionally in these events for years, Xu follows a detailed long-term plan and adjusts her competition schedule or withdraws when her physical condition is not suitable.
"Whether it is a marathon, climbing or Hyrox, these activities may look like sports that ordinary people can easily participate in, but they still place extreme demands on the body. People need professional assessment and training, and should always exercise within their limits," Xu said.
The trap of fitness culture
For Oliver and many other participants, social connection is another important factor driving them into these sports.
"Especially for people working away from their hometowns, many have made friends simply because they joined a sports group and signed up for competitions together," Oliver said.
Experts believe that the social appeal and identity attached to these sports have, to some extent, transformed exercise from a personal activity into a form of social event, creating some peer pressure.
"You can see that many participants in these sports come from urban middle-class and higher-income groups. Their identities are shaped by these sports, while these sports themselves are increasingly defined by training cultures and commercial competition brands," a sports psychology expert surnamed Lü told the Global Times.
"Once a complete training culture is branded, exercise is no longer just public knowledge, but becomes a form of consumption and identity-building," Lü said.
"Such a culture may encourage people to ignore their actual physical conditions and push themselves into excessive training, increasing the risk of injury."
Doctors have also warned that beginners who rapidly increase exercise intensity are particularly vulnerable to overuse injuries.
Li Xiaoyan, deputy dean of the School of Sports Medicine and Rehabilitation at North Sichuan Medical College, said Hyrox is fundamentally different from marathons and ordinary gym workouts, according to a report by Sichuan local media.
Li explained that marathons mainly focus on continuous aerobic endurance, challenging cardiovascular capacity and joints such as the knees.
Hyrox, by contrast, combines aerobic exercise, anaerobic training and weighted strength exercises. During much of the competition, participants' heart rates remain close to their limits, placing continuous stress on the cardiovascular system, lower back, knees and shoulder muscles.
Many participants also struggle to distinguish between normal post-exercise soreness and injury-related pain.
"Feeling sore throughout the body after exercise, with symptoms improving after one or two days of rest, is usually a normal response caused by muscle fatigue. But sharp joint pain or sudden lower-back pain are warning signs of injury. In such cases, people should stop immediately rather than force themselves to continue," Li said.
"The key is to progress step by step and, whenever possible, train under professional guidance. If your body feels uncomfortable, reduce the intensity and rest. If you are in good condition, increase the workload gradually," Lü said. 
"For ordinary people, exercise requires patience. There is no need to approach it with the mindset of preparing for the Olympics. The purpose of exercise is simply to make life more enjoyable and to challenge the body in a healthy way." 
。    　　科技日报讯 （记者张佳欣）氛围编程（Vibe Coding）正从传统软件开发进入量子计算领域。据英国《自然》杂志日前消息，法国量子计算初创企业Pasqal研究人员开发出一种人工智能（AI）智能体，能根据英文自然语言指令生成量子计算代码，并自动在真实量子计算机上运行。

二 | 研究人员表示，这种量子氛围编程有望降低量子计算实验的技术门槛，让更多人能够开展量子计算研究。

三 | 　　所谓氛围编程，是指用户只需要用自然语言告诉AI工具，希望软件实现什么功能，AI便会生成相应程序，并根据用户反馈进行修改和运行。　　目前，Anthropic公司的Claude等前沿大语言模型已展现出理解量子计算的能力，不少研究人员也开始用这类模型辅助编写量子计算代码。Pasqal研究团队则让这些前沿大语言模型熟悉其量子计算机的技术规格，进一步探索大语言模型能否实现量子领域的氛围编程。　　团队重点探索了量子计算最具潜力的应用之一，即量子模拟。

四 | 量子模拟是指调控量子计算机，使其表现得类似于另一种物理系统，例如催化剂或具有特殊磁性的材料。量子计算机运行这样的模拟，可预测材料的性质，而相关计算可能会超出经典计算机的能力。　　Pasqal团队对AI智能体进行了3项测试，每项测试都选取一篇描述某种物理现象的论文，并要求智能体编写和运行代码，以验证这一现象是否可通过量子计算机进行模拟。

五 | 　　Pasqal首席技术官伊克·亨里耶说，要完成这一“转换”，通常需要同时掌握材料物理学和量子计算知识的专业团队，而AI智能体现在可协助完成这一过程。　　不过，这并不意味着量子计算已能完全交给AI。在其中一项测试中，智能体需要团队提供较多指导，才能最终得到符合物理规律的实现方案。在涉及实验物理准确性的关键环节，人类研究人员仍不可或缺。　　目前，其他研究团队也在探索利用大语言模型辅助量子计算。纽约大学阿布扎比分校应用物理学家努海拉·伊南及其同事开发了一个定制版开源大语言模型LLaMA，使其能生成量子计算代码，但目前还不能自主运行这些代码。不过，这一工具已帮助她和同事将一些原本需要4天完成的工作缩短至1天。

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Published on:03:36:24