| Niederbacher Stefan | SUI | 1964 | Wallisellen | 3star cats wallisellen | Goldtour | | |
| Niederberger Juerg | SUI | 1970 | Unterengstringen | | Goldtour | | |
| Niederberger Michael | SUI | 1977 | Luzern | | Goldtour | | |
| Niederhäuser Andreas | SUI | 1968 | Höchstetten | RVErsigen | Goldtour | | |
| Niederhauser Jason | SUI | 1989 | Niederönz | | Platintour | | |
| Nienaber Bernhard | GER | 1994 | Friedrichshafen | RSV Seerose | Goldtour | | |
| Nieuwenhuijs Huug | NED | 1988 | Schoonhoven | | Silbertour | | |
| Niggli Reto | SUI | 1974 | Solothurn | | Goldtour | | |
| Nijborg Garmt-Jan | NED | 1980 | Hoogezand | | Goldtour | | |
| Nijbroek Tom | NED | 1990 | Zurich | | Goldtour | | |
| Nilis Daan | BEL | 1995 | Zurich | | Goldtour | | |
| Nitzschke Franz | GER | 1985 | Bonn | | Platintour | | |
| Noack Claudia | GER | 1965 | Dossenheim | | Warteliste Goldtour | | |
| Noack Marcel | GER | 1976 | Berlin | | Warteliste Plaintour | | |
| Nobel Manel | SUI | 1988 | Cornol | | Bronzetour | | |
| Nobel Michael | SUI | 1987 | Cornol | | Bronzetour | | |
| Noé Nicolas | SUI | 2003 | Basel | | Warteliste Plaintour | | |
| Noga Kathrin | GER | 1973 | Karlsruhe | Karlsruher Lemminge | Goldtour | | |
| Nünlist Kevin | SUI | 1991 | Zürich | | Platintour | | |
| Nürnberg Jacob | GER | 1990 | Zürich | | Goldtour | | |
| Nussbaum Alvaro | ESP | 1983 | Erlenbach | Tripatletas | Goldtour | | |
| Nussbaumer Beat | SUI | 1963 | Bern | | Goldtour | | |
| Nussbaumer Nicolas | SUI | 1985 | Wettswil | | Goldtour | | |
| Nussbaumer Roland | SUI | 1966 | Bern | | Goldtour | | |
| Nydegger Christian | SUI | 1992 | Thun | | Goldtour | | |
| Nyffeler Nicole | SUI | 1996 | Lausen | | Bronzetour | | |
| O’Brien Conan | SUI | 1994 | Zürich | | Goldtour | | |
| Oberholzer Nicole | SUI | 1992 | Winterthur | | Goldtour | | |
| Oberholzer Roland | SUI | 1969 | Blonay | | Silbertour | | |
| Obermeier Frank | GER | 1968 | Küssnacht | | Platintour | | |
| Oberscheven Markus | GER | 1970 | Schriesheim | | Goldtour | | |
| Oberteufer Viola | SUI | 1996 | Muri b. Bern | inpeek | Silbertour | | |
| Oberwinkler Heike | GER | 1970 | Geroldshausen | | Silbertour | | |
| Obi Samuel | SUI | 1976 | Aigle | Hogas | Warteliste Plaintour | | |
| Oborsky Pavel | CZE | 1989 | Zurich | RC Belvoir | Platintour | | |
| O'Bray Leslie | USA | 1989 | Andermatt | | Silbertour | | |
| Obrenovic Stefan | SUI | 1967 | Zürich | | Silbertour | | |
| Obrist Martin | GER | 1985 | Waldshut-Tiengen | RFV Eschbach | Silbertour | | |
| Ochsner Stefan | SUI | 1980 | Muhen | | Goldtour | | |
| Odermatt Florence | SUI | 1998 | Visp | | Bronzetour | | |
| Oegerli Timo | SUI | 1994 | Hallwil | Plusport | Goldtour | | |
| Oetterli Lars | SUI | 1997 | Zürich | | Platintour | | |
| Oggenfuss Sarah | SUI | 2000 | Weinfelden | | Bronzetour | | |
| Oggier Adrian | SUI | 1987 | Gisikon | Vidano | Goldtour | | |
| Ohnmacht Frank | GER | 1996 | Dauchingen | | Goldtour | | |
| Ohnmacht Niklas | AUT | 1992 | Oberstdorf | | Platintour | | |
| Okle Jeanine | SUI | 1994 | Weinfelden | | Silbertour | | |
| Olaf Julius | GER | 2000 | Lörrach | | Platintour | | |
| Olafsson Thorir | ISL | 1994 | St Gallen | | Goldtour | | |
| Oliver Jädtke | GER | 1973 | Unna | | Goldtour | | |
| Olivier Patrick | GER | 1972 | Gräfelfing | Schneeweiß-Bethlehem | Goldtour | | |
| Olle Raul | EST | 1968 | Tallinn | Amps | Warteliste Silbertour | | |
| Olusanya Kay | GBR | 1969 | London | | Silbertour | | |
| Omlin Nina | SUI | 1998 | Luzern | | Silbertour | | |
| Ondecko Jiri | CZE | 1976 | Dolní Habartice | Ondas bakery | Goldtour | | |
| Onken Kevin | SUI | 1990 | Kriens | | Platintour | | |
| Oppitz Claire | GER | 1997 | Zürich | Triathlonclub trigether | Platintour | | |
| Oppliger Urs | SUI | 1968 | Thun | | Warteliste Plaintour | | |
| Orsi Graziano | SUI | 1967 | Schlieren | | Silbertour | | |
| Ortner Christian | GER | 1994 | München | | Goldtour | | |
| Oschwald Vincent | SUI | 1994 | Zürich | | Goldtour | | |
| Osinga Theun Erik | NED | 1995 | Bern | | Goldtour | | |
| Ostbo Petter | NOR | 1979 | Baar | | Platintour | | |
| Ott Michael | SUI | 1982 | Kilchberg ZH | | Goldtour | | |
| Ott Tobias | SUI | 1985 | Islisberg | | Platintour | | |
| Otter Anton | GER | 1975 | Oberornau | RST-Haag | Warteliste Goldtour | | |
| Otto c/o Mats Jokke Jansen Alexander | GER | 1996 | Zürich | | Goldtour | | |
| Otto Christian | GER | 1986 | Ötigheim | | Goldtour | | |
| Otulana Hakeem | GBR | 1967 | Edgware | | Goldtour | | |
| Ouwerling Joost | NED | 1993 | Zürich | | Silbertour | | |
| Oye Hendrik | GER | 1990 | Genève | | Goldtour | | |
| Packebusch Sven | GER | 1979 | Brugg | | Goldtour | | |
| Paço Mateus | POR | 1983 | Dietikon | | Goldtour | | |
| Pacolet Janne | BEL | 1995 | Meilen | | Silbertour | | |
| Paesold Sebastian | GER | 1982 | Bad Elster | Bang Kransysteme Racing Team | Silbertour | | |
| Pagel Janik | GER | 1994 | Lindau | | Bronzetour | | |
| Pahlke Hanna | SUI | 1996 | Zürich | | Platintour | | |
| Pahud Jérôme | SUI | 1991 | St. Gallen | | Goldtour | | |
| Pahud Pascal | SUI | 1994 | Buchs SG | | Goldtour | | |
| Pajas Petr | CZE | 1976 | Adliswil | | Platintour | | |
| Palese Alessandro | ITA | 1974 | Zürich | Inova Dragons | Goldtour | | |
| Palomino Marcel | SUI | 1976 | Wetzikon ZH | | Bronzetour | | |
| Palomino Sophia | SUI | 2008 | Wetzikon ZH | | Bronzetour | | |
| Paprotta Michael | SUI | 1969 | Muri | | Silbertour | | |
| Pareik Claudia | GER | 1964 | Ludwigshafen | | Goldtour | | |
| Pargfrieder Josef | AUT | 1969 | Zug | Veloclub Steinhausen | Silbertour | | |
| Pascal Stauber | SUI | 1979 | Basel | | Goldtour | | |
| Paschold Rick | GER | 1993 | München | | Platintour | | |
| Pasquier Baptiste | SUI | 1994 | Bern | | Goldtour | | |
| Pastoors Merlin | GER | 1993 | Kleve | | Goldtour | | |
| Patanè Adriano | ITA | 1992 | Zürich | | Warteliste Goldtour | | |
| Patel Manthan | IND | 1999 | Zürich | | Goldtour | | |
| Patricio Filipe | POR | 1987 | Aarau Rohr | | Silbertour | | |
| Patzen Annalea | SUI | 1987 | Zizers | | Goldtour | | |
| Paul Robbrecht | BEL | 1968 | Kruibeke | | Goldtour | | |
| Pawlik Laura | SUI | 1995 | Zürich | team chronos | Silbertour | | |
| Pazdziernik Karina | GER | 1986 | Köln | | Goldtour | | |
| Peacey Tom | GBR | 1970 | Zürich | | Goldtour | | |
| Pedersen Rune Husballe | DEN | 1976 | Hørsholm | Hørsholm cykelmotion | Goldtour | | |
| Pedruzzi Ivo | SUI | 1974 | Genèveve | Triathlon Club Genève | Silbertour | | |