1: Gabby Thomas stuns in 200m semifinals. The withdrawal of Richardson opens up new opportunities.

2: Thomas's exceptional speed shines. The unexpected turn of events in the 200m heats.

3: Thomas advances in 200m. A game-changing decision alters the course of the competition.

4: The impact of Richardson's withdrawal. Thomas seizes the moment in the 200m semis.

5: The spotlight shifts to Gabby Thomas. A daring move propels her to the 200m semifinals.

6: Thomas's journey to the top. The withdrawal of a rival sets the stage for her success.

7: The unexpected twist in the 200m. Gabby Thomas's remarkable performance in the semis.

8: A new chapter for Gabby Thomas. The significance of the withdrawal in the 200m race.

9: The withdrawal that changed everything. Gabby Thomas's inspiring run to the 200m semifinals.