2017, Relay, Tartu, Estonia
2017, MixedRelay, Tartu, Estonia
2016, Relay, Stromstad, Sweden

Long: 36. place 2014, Veneto/Trentino, Italy
Middle: 40. place 2012, Lausanne, Switzerland
Sprint: 25. place 2014, Veneto/Trentino, Italy
Relay: 11. place last time 2017, Tartu, Estonia
MixedRelay: 11. place 2017, Tartu, Estonia

WC Overall 2014

2010, Relay, Primorsko, Bulgaria
2008, Relay, Ventspils, Latvia

Long: B9. place 2008, Ventspils, Latvia
Middle: 47. place 2010, Primorsko, Bulgaria
Relay: 14. place last time 2010, Primorsko, Bulgaria

2014, WC no. 2, Spain, ESP, Middle

2008, Relay, Göteborg, Sweden

Long: 32. place 2007, Dubbo, Australia
Middle: 20. place 2008, Göteborg, Sweden
Sprint: 45. place 2007, Dubbo, Australia
Relay: 9. place 2008, Göteborg, Sweden

Relays:
2011: Venla 2011, 79. place (1. leg, 102. place, Catalonia Team)
2010: Venla 2010, 100. place (1. leg, 88. place, Catalonia Team)
2009: Venla 2009, 160. place (2. leg, Out: 152. place, In: 76. place, Catalonia Team)

IOF World Ranking:
World Ranking position: Middle/Long 438 (as of 25/3/2023)
See also all IOF WRE results for Ona Rafols Perramon including updated WR position