RunYeah on Instagram: "China's 21-year-old sprinter Xinrui Deng made his World Championships debut in the men's 100m preliminaries as part of the final heat. Despite a strong start, his opponents proved more powerful in the latter stages of the race. Deng ultimately finished in 10.23 seconds, placing fifth and concluding his journey in the men's 100m event. #runyeah #worldathleticschampionships #run #running"