Photo credits

Photographs from StockSnap, rawpixel and Wikimedia Commons, shown in black and white and cropped to fit.

• Boxing ring, Carlos Pacheco, CC BY-SA 2.0
• Running track, Matt Moloney, CC0
• Football stadium, Michal Jarmoluk, CC0
• Vélodrome de Bretagne, Rundvald, CC BY-SA 4.0
• Lane rope, Ian Prince, CC0
• Boxing glove, rawpixel, CC0
• Empty stadium, Michal Jarmoluk, CC0
• Starting block, rawpixel, CC0
• Stadium light, Matt Moloney, CC0
• Black boxing gloves, Kerelin Molina, public domain