Dateline: September - November, 2005
highlights
| Month | Date | Event | Sport | Location | |
| September | 1 - 9 | International Europe Class Men & Women's World Championship | Sailing | Rizhao, People's Republic of China | |
| 2 - 3 | Gitschberg Start Cup - Artificial Track Luge | Luge | Meransen, Italy | ||
| 2 - 4 | UCI Trials World Championship | Cycling | Livigno, Italy | ||
| 4 | UIAA International Open | Mountaineering and Climbing | Bariloche, Argentina | ||
| 4 | Golden League, | Athletics | Berlin, Germany | ||
| 4 | Superbike & Supersport World Championship | Motorcycle racing | Assen, Netherlands | ||
| 4 | MX1 & MX2 Motorcross World Championship | Motorcycle racing | Lierop, Belgium | ||
| 6 - 11 | 6th Canoe Polo European Championship | Canoe/Kayak | Madrid, Spain | ||
| 7 | ITU Aquathlon World Championship | Triathlon | Gamagori, Japan | ||
| 8 | ITU Team Triathlon World Championship | Triathlon | Gamagori, Japan | ||
| 8 - 9 | UCI BMX Supercross World Cup | Cycling | San Jose, CA, USA | ||
| 8 - 10 | World Masters Regatta | Rowing | Strathclyde, GB | ||
| 8 - 11 | World Championship Driving Pairs | Equestrian | Wals/Salzburg, Austria | ||
| 8 - 9 | UCI BMX Supercross World Cup | Cycling | San Jose, CA, USA | ||
| 9 - 11 | World MTB Orienteering Championships | Orienteering | Banska Bystrica, Slovakia | ||
| 9 - 17 | Flying Dutchman World Championship | Sailing | Balatonfoldvar, Hungary | ||
| 10 | Individual Speedway World Championship Grand Prix | Motorcycle racing | Lonigo, Italy | ||
| 10 | St Leger | Horse Racing | Doncaster, England | ||
| 11 | FINA Marathon Swimming World Cup | Aquatics | Ismailia, Egypt | ||
| 12 - 19 | 10th World Championship - Underwater Photo | Underwater sports | Estartit, Spain | ||
| 14 - 18 | 2005 International 12 Metre World Championship | Sailing | Newport, RI, USA | ||
| 15 - 18 | 24th Trampoline World Championships | Gymnastics | Eindhoven, Netherlands | ||
| 17 | Ayr Gold Cup | Horse Racing | Ayr, Scotland | ||
| 24 | Queen Elizabeth II Stakes | Horse Racing กก |
Newmarket, England | ||
| 26 - October 2 | World Slalom Championships | Canoeing | Penrith, Australia | ||
| 29 - October 2 | Dunhill Links Championship | Golf | St Andrews, Scotland | ||
| October | |||||
| 1 - 2 | British Touring Car Championships | British Touring Cars | Brands Hatch, England | ||
| 2 | Arc de Triomphe | Horse Racing | Longchamps, Paris | ||
| 5 - 9 | World Rythmic Championships | Athletics | Baku, Azerbaijan | ||
| 8 15 | World Championships | Fencing | Leipzig, Germany | ||
| 9 | World SuperBike Championships | Superbikes | Magny-Cours, France | ||
| 9 | Japanese Grand Prix | Formula 1 | Suzuka | ||
| 12 - 16 | The Championship at Las Vegas | Golf | Nevada, USA | ||
| 18 | Chinese Grand Prix | Formula 1 | Shanghai | ||
| 20 - 23 | Mallorca Classic | Golf | Spain | ||
| 27 - 30 | Volvo Masters | Golf | Valderrama, Spain | ||
| 29 | Breeder's Cup | Horse Racing | Belmont Park, New York, USA | ||
| November | |||||
| 6 | World Championships | Bikes | Valencia, Spain | ||
| 9-14 | WTA Tour Championships | Tennis | Los Angeles | ||
| 28 - December 4 | Davis Cup Final | Tennis | tbc | ||
| December | |||||