Im Rahmen der Challenge Walchsee werden 2021 die Triathlon-Europameisterschaften ausgetragen. 1.500 Athleten aus ganz Europa haben sich angekündigt und kämpfen um die European Championship Titel in ihren Altersklassen.
Die Österreicher im Rahmen der European Championship Mitteldistanz
| Adamcik | Veronika | 65-69 Female AG |
| Aigmüller | Gerald | 45-49 Male AG |
| Aigner | Michael | 30-34 Male AG |
| Allram | Rene | 30-34 Male AG |
| Andreas | Brigitte | 50-54 Female AG |
| Bauer | Rene | 40-44 Male AG |
| Berger | Robert | 50-54 Male AG |
| Bernhard | Anton | 55-59 Male AG |
| Bichler | Sascha | 25-29 Male AG |
| Bierbauer | Martin | 35-39 Male AG |
| Böhm | Mario | 45-49 Male AG |
| Brandl | Oliver | 40-44 Male AG |
| Buxhofer | Sabine | 40-44 Female AG |
| Czerny | Lukas | 35-39 Male AG |
| Dinse | Axel | 50-54 Male AG |
| Dormuth | Wolfgang | 45-49 Male AG |
| Dossi | Philipp | 25-29 Male AG |
| Eckl | Roman | 25-29 Male AG |
| Edenstrasser | Alexander | 35-39 Male AG |
| Eichinger | Stefan | 25-29 Male AG |
| Elbizanti | Yasin | 25-29 Male AG |
| Exenberger | Sabrina | 25-29 Female AG |
| Fank | Gerhard | 25-29 Male AG |
| Fussenegger | Thomas | 50-54 Male AG |
| Gerngroß | Barbara | 35-39 Female AG |
| Goldschmid | Alfred | 60-64 Male AG |
| Grill | Johann | 60-64 Male AG |
| Grüßer | Johann | 60-64 Male AG |
| Hackl | Isabella | 50-54 Female AG |
| Haidinger | Robert | 40-44 Male AG |
| Hajszan | Alex | 45-49 Male AG |
| Hari | Dominique | 40-44 Female AG |
| Hartinger | Horst | 50-54 Male AG |
| Haslinger | Andreas | 30-34 Male AG |
| Haslinger | Hans Jürgen | 35-39 Male AG |
| Hauser | Andreas | 45-49 Male AG |
| Hechenberger | Peter | 50-54 Male AG |
| Heinisch | Michael | 45-49 Male AG |
| Helmberger | Christian | 40-44 Male AG |
| Herbst | Christina | 40-44 Female AG |
| Hermann | Walter | 60-64 Male AG |
| Hinterberger | Josef | 50-54 Male AG |
| Hofstätter | Thomas | 40-44 Male AG |
| Honeder | Paul | 25-29 Male AG |
| Hubert | Martina | 45-49 Female AG |
| Hückel | Manfred | 55-59 Male AG |
| Huemer | David | 20-24 Male AG |
| Jölly | Ines | 30-34 Female |
| Jochum | Markus | 65-69 Male AG |
| Kaindl | Martin | 50-54 Male AG |
| Kaindl | Sanne | 20-24 Female AG |
| Karner | Michael | 45-49 Male AG |
| Kiener | Barbara | 40-44 Female AG |
| Kirchmayr | Ortwin | 30-34 Male AG |
| Klein | Roland | 30-34 Male AG |
| Koller | Karl | 60-64 Male AG |
| Korak | Thomas | 35-39 Male AG |
| Köstl-Lenz | Massimo | 25-29 Male AG |
| Kreuzer | Hermann | 45-49 Male AG |
| Kronbichler | Peter | 50-54 Male AG |
| Kühberger | Raphael | 30-34 Male AG |
| Langsteiner | Rudolf | 55-59 Male AG |
| Leidenfrost | Katharina | 35-39 Female AG |
| Leirer | Martin | 45-49 Male AG |
| Leitner | Franz | 45-49 Male AG |
| Linecker | Patricia | 30-34 Female AG |
| Mandler | Hermann | 65-69 Male AG |
| Mari | Lukas | 20-24 Male AG |
| Marl | Reinhard | 35-39 Male AG |
| Mayer | Christian | 45-49 Male AG |
| Mohl | Domagoj | 50-54 Male AG |
| Müller | Gerhard | 55-59 Male AG |
| Novak | Johanna | 35-39 Female AG |
| Obersamer | Lukas | 35-39 Male AG |
| Opietnik | Matthias | 20-24 Male AG |
| Peherstorfer | Rainer | 30-34 Male AG |
| Peleska | Alexander | 45-49 Male AG |
| Pelikan | Elisabeth | 35-39 Female AG |
| Pfarrhofer | Martin | 50-54 Male AG |
| Pfoser | Anna | 30-34 Female AG |
| Plank | Norbert | 65-69 Male AG |
| Rabitsch | Mario | 60-64 Male AG |
| Rafferseder | Michael | 50-54 Male AG |
| Ramsebner | Jasmine | 25-29 Female AG |
| Raninger | Peter | 35-39 Male AG |
| Rausch | Georg | 60-64 Male AG |
| Richlan | Fabio | 35-39 Male AG |
| Rieger | Yasmin | 20-24 Female AG |
| Rohaczek | Gerald | 50-54 Male AG |
| Rosa | Norbert | 55-59 Male AG |
| Rossmann | Gerald | 50-54 Male AG |
| Ruzicka | Stefan | 50-54 Male AG |
| Sack | Wolfgang | 50-54 Male AG |
| Sageder | Markus | 45-49 Male AG |
| Sandhofer | Carolina | 25-29 Female AG |
| Schiebl | Christian | 55-59 Male AG |
| Schiebl | Jan Christian | 20-24 Male AG |
| Schindelar | Kathrin | 30-34 Female AG |
| Schipali | Katharina | 30-34 Female AG |
| Schmich | Oliver | 40-44 Male AG |
| Schnellinger | Michael | 25-29 Male AG |
| Schober | Rudolf | 60-64 Male AG |
| Schoderbeck | Anita | 35-39 Female AG |
| Schrögendorfer | Kurt | 55-59 Male AG |
| Schwarzmayer | Eva | 55-59 Female AG |
| Seibert | Harald | 55-59 Male AG |
| Selinger | Stephan | 45-49 Male AG |
| Siorpaes | Viktoria | 25-29 Female AG |
| Sporn | Heike | 45-49 Female AG |
| Srb | Thomas | 50-54 Male AG |
| Steiner | Gudrun | 40-44 Female AG |
| Stemmer | Mario | 40-44 Male AG |
| Stranz | Rene | 35-39 Male AG |
| Strolz | Philipp | 45-49 Male AG |
| Tarnowskij | Marianne | 40-44 Female AG |
| Tauscher | Sophie | 20-24 Female AG |
| Teufelhart | Christoph | 55-59 Male AG |
| Teufelhart | Margit | 55-59 Female AG |
| Trink | Hannes | 45-49 Male AG |
| Unterganschnigg | Alfred | 50-54 Male AG |
| Van Linthoudt | Ralph-Christian | 25-29 Male AG |
| Verdianz | Wolfram | 65-69 Male AG |
| Wagnsonner | Iris | 50-54 Female AG |
| Wanner | Stefan | 40-44 Male AG |
| Weilguni | Anja | 20-24 Female AG |
| Weingärtner | Matthias | 40-44 Male AG |
| Weissinger-Lusenberger | Anita | 50-54 Female AG |
| Wiesinger | Franz | 40-44 Male AG |
| Wodaczek | Johann | 50-54 Male AG |
| Wolf | Michaela | 40-44 Female AG |
| Wolkowitsch | Franz | 65-69 Male AG |
| Wychera | Dominik | 25-29 Male AG |
| Zedan | Susan | 45-49 Female AG |
| Zlimnig | Birgit | 50-54 Female AG |
| Zwölfer | Werner | 35-39 Male AG |