![Kenya's Samwel Mushai Kimani (L) and his guide walk on the track after their heats in the men's 800m T12 at the National Stadium, also known as the Bird's Nest, during the Kenya's Samwel Mushai Kimani (L) and his guide walk on the track after their heats in the men's 800m T12 at the National Stadium, also known as the Bird's Nest, during the](https://c8.alamy.com/comp/2E73GT2/kenyas-samwel-mushai-kimani-l-and-his-guide-walk-on-the-track-after-their-heats-in-the-mens-800m-t12-at-the-national-stadium-also-known-as-the-birds-nest-during-the-beijing-2008-paralympic-games-september-8-2008-reutersdavid-gray-china-2E73GT2.jpg)
Kenya's Samwel Mushai Kimani (L) and his guide walk on the track after their heats in the men's 800m T12 at the National Stadium, also known as the Bird's Nest, during the
![Madeira, Portugal - September 2017: The entrance to the 800m long Rabacal tunnel on the levada walk to the 25 Fountains and the Risco waterfall Stock Photo - Alamy Madeira, Portugal - September 2017: The entrance to the 800m long Rabacal tunnel on the levada walk to the 25 Fountains and the Risco waterfall Stock Photo - Alamy](https://c8.alamy.com/comp/2E4ME3R/madeira-portugal-september-2017-the-entrance-to-the-800m-long-rabacal-tunnel-on-the-levada-walk-to-the-25-fountains-and-the-risco-waterfall-2E4ME3R.jpg)
Madeira, Portugal - September 2017: The entrance to the 800m long Rabacal tunnel on the levada walk to the 25 Fountains and the Risco waterfall Stock Photo - Alamy
![Two 800m runners tripped over each other - but their reaction was the definition of the Olympic spirit Two 800m runners tripped over each other - but their reaction was the definition of the Olympic spirit](https://www.telegraph.co.uk/content/dam/olympics/2021/08/01/TELEMMGLPICT000266585616_trans_NvBQzQNjv4BqV3dVgzZ0hKVb8AhxVuOTfYTPD5foJ9o3wuqP2tL5Yek.jpeg)