June 30, 2017, Beijing time yesterday, Jamaica "lightning" Bolt participated in the IAAF World Challenge in Ostrafa, Czech Republic, this is only his second time this season to participate in the outdoor 100 meters, he finally won the championship with a time of 10.06 seconds, the result is mediocre.

Bolt Training Data Chart Xinhua News Agency
Before the Ostrava race began, the Jamaican national anthem was played in the stadium, a small ceremony specially organized by the organizers of the event for the "lightning" Bolt who participated in the competition. After a farewell match in jamaica, Czech Republic, Ostrava is Bolt's second of the season. In this game, the opponent's strength is generally average, and Bolt is obviously not fast, but the Cuban player Perez next to him has been advancing side by side with Bolt. Fortunately, Bolt accelerated in the last moments, crossing the finish line with a slight advantage over Perez, and Bolt also looked at Perez before crossing the line. In the end, Bolt won the championship in 10.06 seconds, Perez finished second in 10.09 seconds, and Halvi of Turkey finished third in 10.26 seconds.
With a time of 30.81 seconds, Van Niceck set a new world best of 30.85 seconds in the men's 300 meters set by michael Johnson in 2000, and also broke bolt's record of 30.97 seconds held by Bolt, becoming the world's first athlete to run 10 seconds in 100 meters, 20 seconds in 200 meters, 31 seconds in 300 meters and 44 seconds in 400 meters.
In other events, France's Darion won the men's 110m hurdles in 13.09 seconds and American Christian Taylor won the men's triple jump in 17.57m. Germany's Basil won the men's javelin with 91 m 53. Russia's Sidorova won the women's pole vault championship with 4 meters 70 meters, Poland's Volodachik won the women's chain ball championship with 79 meters 72 meters, and China's Wang Zheng won the second place in the women's chain with an outstanding result of 76 meters 25 meters, which ranked third in the world and first in Asia this year.
Source: Beijing Evening News reporter Chen Jiakun