Karolina Kołeczek is a Polish athlete specialising in the 100 metres hurdles. She won silver medals at two consecutive European U23 Championships.

Sandomierz is a historic town in south-eastern Poland with 23,863 inhabitants, situated on the Vistula River near its confluence with the San, in the Sandomierz Basin. It has been part of Świętokrzyskie Voivodeship since its transfer from the Tarnobrzeg Voivodeship in 1999. It is the capital of Sandomierz County. Sandomierz is known for its preserved Old Town, a major cultural and tourist attraction which the President of Poland declared a National Monument of Poland in 2017.