2013 IAAF Race Walking Challenge

Columns: Date | Meeting | Category | Events | Venue | Country
23 February | Circuito Internacional de Marcha Chihuahua | C | 20 km ( Men/Women ) 50 km ( Men ) | Chihuahua City | Mexico | 24 February | Oceania Race Walk Championships | C | 20 km ( Men/Women ) | Hobart | Australia | 1 March | IAAF Race Walking Challenge Taicang | B | 10 km ( Men/Women ) | Taicang | China | 10 March | Asian 20 km Race Walking Championships | B | 20 km ( Men/Women ) | Nomi | Japan | 17 March | Lugano Trophy - Memorial Mario Albisetti | C | 20 km ( Men/Women ) | Lugano | Switzerland | 6 April | Grande Prémio Internacional de Rio Maior em Marcha Atlética | B | 20 km ( Men/Women ) | Rio Maior | Portugal | 6 April | African Race Walking Championships | B | 20 km ( Men/Women ) | Belle Vue Harel | Mauritius

Example questions:
How many families reside in the city which hosted the Asian 20 kilometer Race Walking Championships of 2013 ? | What villages border the village which hosted the African Race Walking Championships of 2013 ? | Which group first lived in the region of the city which hosted the Oceania Race Walk Championships of 2013 ? | What area is the town which hosted the 10th European Cup Race Walking of 2013 on the border of ?

Answers:
18585 | Amaury and Barlow | Mouheneener | Banská Bystrica