2005 Challenge Tour
The 2005 Challenge Tour was a series of golf tournaments known as the Challenge Tour, the official development tour run by the PGA European Tour. The tour was started as the Satellite Tour in 1986 and was renamed the Challenge Tour ready for the start of the 1990 season.
The Challenge Tour Rankings was won by Scotland's Marc Warren.
Tournament schedule
The table below shows the 2005 Challenge Tour schedule.| Date | Tournament | Host country | Winner | Notes |
| 28 Nov | Abierto Mexicano de Golf | Mexico |  Rafael Gómez | Co-sanctioned with the Tour de las Américas |
| 5 Dec | Panasonic Panama Open | Panama |  Richard McEvoy | Co-sanctioned with the Tour de las Américas |
| 12 Dec | TIM Peru Open | Peru |  Brad Sutterfield | Co-sanctioned with the Tour de las Américas |
| 13 Feb | Costa Rica Open | Costa Rica | Kyle Dobbs | Co-sanctioned with the Tour de las Américas |
| 20 Feb | Summit Panama Masters | Panama | Kevin Haefner | Co-sanctioned with the Tour de las Américas |
| 27 Feb | Abierto Telefonica Moviles de Guatemala | Guatemala | César Monasterio | Co-sanctioned with the Tour de las Américas |
| 21 Mar | Tusker Kenya Open | Kenya | Daniel Vancsik | |
| 10 Apr | Madeira Island Open Caixa Geral de Depositos | Portugal |  Robert-Jan Derksen | Dual-ranking event with European Tour |
| 1 May | Peugeot Challenge R.C.G. El Prat | Spain |  Tomás Jesús Muñoz | |
| 8 May | FirstPlus Wales Challenge | Wales |  Olivier David | |
| 15 May | Tessali-Metaponto Open di Puglia e Basilicata | Italy | Rafael Gómez | |
| 29 May | Riu Tikida Hotels Moroccan Classic | Morocco |  Fredrik Widmark | |
| 12 Jun | Thomas Bjørn Open | Denmark |  Toni Karjalainen | |
| 19 Jun | Aa St Omer Open | France | Joakim Bäckström | Dual-ranking event with European Tour |
| 26 Jun | Galeria Kaufhof Pokal Challenge | Germany | Gareth Davies | |
| 3 Jul | Open Mahou de Madrid | Spain | Benn Barham | |
| 10 Jul | Open des Volcans - Challenge de France | France | Ilya Goroneskoul | |
| 16 Jul | Texbond Open | Italy | Fredrik Widmark | |
| 31 Jul | Ireland Ryder Cup Challenge | Ireland |  Marc Warren | |
| 14 Aug | Cadillac Russian Open | Russia | Mikael Lundberg | Dual-ranking event with European Tour |
| 21 Aug | Rolex Trophy | Switzerland | Marc Warren | |
| 21 Aug | Skandia PGA Open | Sweden | David Patrick | Alternate to the Rolex Trophy |
| 27 Aug | Morson International Pro-Am Challenge | England | Andrés Romero | |
| 4 Sep | BA-CA Golf Open | Austria |  Michael Hoey | |
| 11 Sep | Telia Challenge Waxholm | Sweden |  Morten Hagen | |
| 18 Sep | Rotterdam International Open | Netherlands | Per G. Nyman | |
| 25 Sep | Kazakhstan Open | Kazakhstan |  Stephen Browne | |
| 2 Oct | Open de Toulouse | France | Brad Sutterfield | |
| 9 Oct | Abama Open de Canarias | Spain | John Bickerton | Dual-ranking event with European Tour |
| 22 Oct | Apulia San Domenico Grand Final | Italy | Carl Suneson |
Rankings
The top 20 on the Challenge Tour Rankings gained membership of the European Tour for the 2006 season.| Position | Player | Country | Prize money |
| 1 | Marc Warren | 103,577 | |
| 2 | Carl Suneson | 103,129 | |
| 3 | Fredrik Widmark | 99,750 | |
| 4 | Andrew Butterfield | 94,335 | |
| 5 | Michael Kirk | 90,620 | |
| 6 | Steven Jeppesen | 88,517 | |
| 7 | Benn Barham | 86,259 | |
| 8 | Michael Hoey | 86,124 | |
| 9 | Daniel Vancsik | 81,053 | |
| 10 | Richard McEvoy | 80,047 | |
| 11 | Rafael Gómez | 79,880 | |
| 12 | David Higgins | 77,259 | |
| 13 | Paul Dwyer | 73,479 | |
| 14 | Andrés Romero | 71,221 | |
| 15 | Marco Ruiz | 69,845 | |
| 16 | Ariel Cañete | 66,087 | |
| 17 | Tom Whitehouse | 63,344 | |
| 18 | Ross Fisher | 61,029 | |
| 19 | Stephen Browne | 59,916 | |
| 20 | Toni Karjalainen | 58,384 |