发表机构
SUNY Downstate Health Sciences（纽约州立大学_downstate健康科学中心）
机构由 AI 辅助整理，请以论文原文为准。AI 中文总结
本文量化了分段错开起跑在中距离赛跑中的时间优势，发现其可达0.1至1秒以上，足以影响世界纪录，揭示这一被忽视的起跑配置对成绩的重要影响。
AI 中文摘要
2026年7月，Josh Kerr打破了保持了26年的一英里世界纪录，这是近期中距离赛跑纪录异常集中涌现的最新一例，引发了关于先进跑鞋及其他技术作用的广泛猜测。然而，与近期几乎所有其他破纪录表现一样，Kerr的比赛采用了分段错开起跑——这是一种常被忽视、相对新颖的起跑配置，将部分运动员置于外侧跑道的前方小组，从而减少了在急转弯处加速所伴随的几何负担，同时避免了传统距离赛跑中外侧站位所导致的额外距离。本文利用经验跑道性能数据、OMEGA对实际比赛距离的测量、视频重建以及基于力的弯道跑模型，对这些优势进行了量化。将所得修正应用于2026年的破纪录表现，估计优势范围从约0.1秒到超过1秒不等，具体取决于项目、比赛配置和模型假设。尽管绝对值较小，但这些优势表明，起跑配置是现代中距离赛跑中一个有意义且此前被忽视的性能优势来源——其影响足以区分世界纪录与普通优秀表现。
英文摘要
In July 2026, Josh Kerr broke the 26-year-old mile world record, the latest in an unusual concentration of recent middle-distance records that has led to widespread speculation about the role of advancing shoe and other technologies. However, like almost every other recent record-breaking performance, Kerr's race featured a split-staggered start -- an often overlooked, relatively novel start configuration that places a subset of athletes in a front group in the outside lanes, reducing the geometric burden associated with accelerating on tight turns while also avoiding the bulk of the extra distance associated with outside positioning in a traditional distance race. Here, these advantages are quantified using empirical lane-performance data, OMEGA measurements of realized race distance, video reconstruction, and a force-based model of curved running. Applying the resulting corrections to record-breaking performances from 2026, estimated advantages range from approximately 0.1 seconds to more than 1 second, depending on the event, race configuration, and model assumptions. Although small in absolute terms, these advantages demonstrate that start configuration represents a meaningful and previously overlooked source of performance advantage in modern middle-distance racing -- large enough to make the difference between a world record and an otherwise great performance.
Comments13 pages, 2 figures
