World Athletics Indoor Championships postponed - Nanjing to host in 2023 - BBC Sport
Coronavirus Outbreak - World Indoor Track Championships Postponed
U.S. Indoor Track & Field championship latest meet to get canceled
World Athletics Indoor Championships Nanjing 2023 Postponed to 2025 – SportsTravel
Competitive Marble Racing Finds Fans in a World Missing Sports - The New York Times
2023 World Athletics Indoor Championships postponed to 2025
2020 World Athletics Indoor Championships postponed to 2023 - CGTN
World Athletics Indoor Championships postponed to 2023 - Athletics New Zealand
World indoor championships in China postponed again until 2023
World Athletics Indoor Championships in Nanjing postponed again
Coronavirus: 2020 World Athletics Indoor Championships postponed in China - BBC Sport
2020 World Athletics Indoor Championships postponed to 2023
World Athletics Indoor Championships in Nanjing postponed again