Men's team breaks 4000-meter distance medley relay record by 25 seconds - Principia College Athletics
![Mean speed (km/h), RPE Borg Scale (6-20) and HR/speed ratio (bpm/speed)... | Download Scientific Diagram Mean speed (km/h), RPE Borg Scale (6-20) and HR/speed ratio (bpm/speed)... | Download Scientific Diagram](https://www.researchgate.net/publication/351629897/figure/fig1/AS:1024439797952523@1621256889597/Mean-speed-km-h-RPE-Borg-Scale-6-20-and-HR-speed-ratio-bpm-speed-for-the-runs.png)
Mean speed (km/h), RPE Borg Scale (6-20) and HR/speed ratio (bpm/speed)... | Download Scientific Diagram
![Sifan Hassan destroys top-class 5,000m field in first leg of unique treble bid | Tokyo Olympic Games 2020 | The Guardian Sifan Hassan destroys top-class 5,000m field in first leg of unique treble bid | Tokyo Olympic Games 2020 | The Guardian](https://i.guim.co.uk/img/media/b3ad44fd9eb58bd5cb784d7b8a2e6ed3449a3f81/0_254_4000_2400/master/4000.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=b0019f222ad18d70e4a7b98f53bc975e)
Sifan Hassan destroys top-class 5,000m field in first leg of unique treble bid | Tokyo Olympic Games 2020 | The Guardian
![Vinogradov coach: Galina Vinogradova's stadium Sprint test: 4000 m with punching and map reading - 14:03 Vinogradov coach: Galina Vinogradova's stadium Sprint test: 4000 m with punching and map reading - 14:03](http://2.bp.blogspot.com/-p5HYh9exYtY/VTCcL44lxmI/AAAAAAABIaY/FylyNua8zmc/s1600/Barnaul%2B16%2B04%2B2015.jpg)
Vinogradov coach: Galina Vinogradova's stadium Sprint test: 4000 m with punching and map reading - 14:03
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