| 1st | Cheung Chau Challenge & NY Fun Run | Fun Run | Cheung Chau, Hong Kong | www.hkrunners.com |
| 7th | Xiamen International Marathon | Marathon | Xiamen, China | www.xmim.org/index.asp |
| 7th | Ataya Cup Big-Foot Forest Marathon | Marathon | Taiwan | www.marathonscalendar.com |
| 8th | KOTH Mountain Marathon Series - Race 2 | Mountain Marathon | Sai Kung, Hong Kong | www.seyonasia.com |
| 8th | MTB Cross Country Challenge | Cross Country | Lantau, Hong Kong | http://mtb.sportoho.com |
| 8th | Mountain Bike Duathlon Fantasy (Winter Heat) | Duathlon | Hong Kong Disneyland Resort | http://mtb.sportsoho.com/mtb.php |
| 8th | Cadbury Marathon | Marathon | Hobart, Tasmania, Australia | www.cadburymarathon.com.au/ |
| 8th | Ibusuki Nanohana Marathon | Marathon | Ibusuki, Japan | www.ibusuki.or.jp/ml_english/tg010_nmarathon/ |
| 15th | Duathlon Series - Race 1 | Duathlon | Science Park, Shatin, HK | www.triathlon.com.hk |
| 15th | The Clearwater Bay Chase | Fun Run | Clearwater Bay, Hong Kong | http://regonline.activeglobal.com |
| 15th | China Coast Marathon | Marathon | Hong Kong | www.hkrunners.com/node/3383?page=259 |
| 15th | Standard Chartered Marathon - India | Marathon | Mumbai, India | www.procamrunning.in/scmm/ |
| 15th | Pacers New Year Run | Fun Run | Tai Mei Tuk Heliport | www.pacers.org.hk |
| 22nd | Ishigaki Marathon | Marathon | Ishigaki, Japan | www.okinawa-information.com/content/ishigaki-marathon-japan |
| 27th | Standard Chartered Marathon - Dubai | Marathon | Dubai, UAE | www.dubaimarathon.org/ |
| 28th | Big Easy Mountain Marathon | Marathon | Wanaka, New Zealand | www.highlandevents.co.nz/the-big-easy-mountain-marathon |
| 29th | Adventure Terra Race | Adventure Race | Hong Kong Island | www.xte.hk/page62.html |
| 29th | Osaka International Ladies Marathon | Marathon | Osaka, Japan | www.osaka-marathon.jp/ |
| 29th | Katsuta Marathon | Marathon | Hitachinaka, Japan | http://katsutamarathon.wordpress.com/ |
| 29th | Khon Kaen Int. Marathon | Marathon | Khon Kaen, Thailand | www.khonkaenmarathon.com/en/ |
| 29th | Mountain Bike Race HK - 5th round | Cycling | Sheung Shui, HK | www.cycling.org.hk |
| 1st | Mizuno Half Marathon | Half Marathon | Hong Kong | www.hkaaa.com |
| 5th | Beppu-Oita Mainichi Marathon | Marathon | Beppu, Japan | www.betsudai.com/index.html |
| 5th | Standard Chartered Marathon | Marathon | Hong Kong | www.hkmarathon.com |
| 5th | Mountain Bike Race HK - 6th round | Cycling | Hong Kong | www.cycling.org.hk |
| 12th | Duathl. Series - Race 2, Tri Kids Duath. Champs. | Duathlon | Science Park, Shatin, HK | www.triathlon.com.hk |
| 12th | KOTH Mountain Marathon Series - Race 3 | Mountain Marathon | Lantau, Hong Kong | www.seyonasia.com |
| 12th | Auroville Marathon | Marathon | Auroville, India | www.marathon.auroville.com/ |
| 12th | EndurOr Race | Orienteering | New Territ., Hong Kong | www.xtechallenge.com |
| 12th | Hong Kong Road Race - 4th Round | Cycling Team Time Trial | Lantau, Hong Kong | www.cycling.org.hk |
| 19th | Yuen Long X-Country Race | Cross Country | Yuen Long, Hong Kong | www.hkrunners.com/node/3131?page=7 |
| 19th | Hong Kong Road Race - 5th Round | Cycling | Po Kong Village | www.cycling.org.hk |
| 19th | Okinawa Marathon | Marathon | Okinawa, Japan | http://okinawa-marathon.com/ |
| 19th | Beauty Fo Shuang-si Taipei County Marathon | Marathon | Shuang-si, Taiwan | www.taipeimarathon.org.tw/yhrc/marathon/2012/indexEn.html |
| 19th | Senshu International City Marathon | Marathon | Osaka, Japan | www.senshu-marathon.jp/ |
| 19th | Ironman 70.3 Sri Lanka | Triathlon | Sri Lanka | www.ironman.com/events |
| 26th | KOTH Mountain Marathon Series - Race 4 | Mountain Marathon | HK Island, Hong Kong | www.seyonasia.com |
| 26th | Hike for Hospice | Hike | Tai Lam Country Park, HK | www.hospicecare.org.hk |
| 26th | Tokyo Marathon | Marathon | Tokyo, Japan | www.tokyo42195.org/2012/ |
| 4th | Duathlon Series - Race 3 | Duathlon | Brides Pool Rd, HK | www.triathlon.com.hk |
| 4th | Action Sprint Repulse Bay Adventure Run | Adventure Race | Repulse Bay Beach, HK | www.actionasiaevents.com |
| 4th | Atacama Crossing | Endurance | Chile | www.4deserts.com |
| 4th | Sea to Summit | Trail Running | New Territ., Hong Kong | www.xtechallenge.com |
| 4th | Vitagreen Cycling Marathon | Cycling | Lung Wo Road (Outside of IFC) | www.hopesport.com |
| 4th | Sasayama ABC Marathon | Marathon | Sasayama, Japan | www.city.sasayama.hyogo.jp/abc/ |
| 11th | BT Outward Bound Adventure Race | Adventure Race | Hong Kong | www.outwardbound.org.hk/ar/ |
| 11th | Nagoya International Womens Marathon | Marathon | Nagoya, Japan | www.chunichi.co.jp/niwm/english/index.html |
| 18th | Off Road Triathlon | Triathlon | Lantau, Hong Kong | www.triathlon.com.hk |
| 18th | Healthy Hike & Run | Fun Run | Tai Tong Shan, Tai Lam, HK | www.actionasiaevents.com |
| 18th | BOC Hong Kong Sports Festival | Cycling Road Race | Brides Pool Rd, HK | www.cycling.org.hk |
| 18th | XTERRA Philippines | Multi Sport | Nuvali, Philippines | www.xterraphil.com |
| 18th | Aviva Ironman 70.3 Triathlon Singapore | Triathlon | Singapore | www.ironman703singapore.com |
| 18th | Seoul International Marathon | Marathon | Seoul, Korea | www.seoulkoreaasia.com/marathon.htm |
| 18th | Itabashi City Marathon | Marathon | Tokyo, Japan | http://i-c-m.jp/ |
| 25th | Kenyir Lake Triathlon | Triathlon | Malaysia | www.triathlonmalaysia.com |
| 25th | Zheng-Kai International Marathon | Marathon | Zheng-Kai, China | www.zkmarathon.com/en/news.asp?ClassID=315 |
| 1st | Action Sprint Mui Wo Adventure Run | Adventure Race | Mui Wo, Lantau, HK | www.actionasiaevents.com |
| 15th | Aquathon Series - Race 1 | Aquathon | Kowloon Tsai Park Pool, HK | www.triathlon.com.hk |
| 15th | Action Sprint Sai Kung Adventure Run | Adventure Race | Pak Tam Chun, Sai Kung, HK | www.actionasiaevents.com |
| 15th | Hong Kong Road Race - 6th Round | Cycling | Fei Ngo Shan | www.cycling.org.hk |
| 15th | Nagano Olympic Commemorative Marathon | Marathon | Nagano, Japan | www.naganomarathon.gr.jp/contents/english/index.html |
| 22nd | Tateyama ASTC Triathlon Asian Championships | Triathlon | Tateyama, Japan | www.asia.triathlon.org/events |
| 22nd | Triathlon Samui | Triathlon | Samui, Thailand | www.triathlonsamui.com |
| 28th | HK's Multi Day Race - The first stop | Cycling Time Trial | Fei Ngo Shan | www.cycling.org.hk |
| 28th | HK's Multi Day Race - The 2nd leg | Cycling Criterium | Po Kong Village | www.cycling.org.hk |
| 28th | HK's Multi Day Race - 4th Round | Cycling Criterium | Po Kong Village | www.cycling.org.hk |
| 28th | Ishigaki ITU Triathlon World Cup | Triathlon | Ishigaki, Japan | www.asia.triathlon.org/events |
| 29th | HK's Multi Day Race - The 3rd leg | Cycling Road Race | Tin Shui Wai | www.cycling.org.hk |
| 29th | Hong Kong Road Race - 7th Round | Road Race | Tin Shui Wai | www.cycling.org.hk |
| 1st | Great Wall of China Marathon | Marathon | Beijing, China | www.great-wall-marathon.com/Itinerary.aspx |
| 5th | Fuzhou ITU Triathlon Premium Asia Cup | Triathlon | Fuzhou, China | www.asia.triathlon.org/events |
| 6th | Festival of Sport - Age Group Triathlon | Triathlon | Plover Cove, HK | www.triathlon.com.hk |
| 6th | Borneo International Marathon | Marathon | Kota Kinabalu, Malaysia | http://borneomarathon.com/ |
| 12th | Dili Marathon | Marathon | Dili, East Timor | http://dilimarathon.com/en/ |
| 13th | Racing the Planet - Jordan | Endurance | Jordan | www.4desert.com |
| 19th | Great Wall Marathon | Marathon | Huangyaguan, China | www.great-wall-marathon.com/Default.aspx |
| 19th | Subic Bay ITU Triathlon Asian Cup | Triathlon | Subic Bay, Phillipines | www.asia.triathlon.org/events |
| 20th | BOC Hong Kong Sports Festival | Cycling Criterium | Lantau, Hong Kong | www.cycling.org.hk |
| 26th | Bintan Triathlon | Triathlon | Bintan, Indonesia | www.bintantriathlon.com |
| 26th | Sundown Marathon | Marathon | Singapore | www.sundownmarathon.com/ |
| 27th | Territorial Road Criterium - 5th Round | Cycling Criterium | Yuen Long, Hong Kong | www.cycling.org.hk |
| 3rd | Age Group & Tri Kids Tri Championships | Triathlon | Science Park, Shatin, HK | www.triathlon.com.hk |
| 3rd | Mountain Bike Championships HK | Cross Country | Ting Ping Shan, Sheung Shui | www.cycling.org.hk |
| 3rd | Jiayuguan ITU Triathlon Premium Asian Cup | Triathlon | Jiayuguan, China | www.asia.triathlon.org/events |
| 10th | Gobi March | Endurance | China | www.4deserts.com |
| 10th | Mountain Bike Championships HK | Downhill Race | Ting Ping Shan, Sheung Shui | www.cycling.org.hk |
| 10th | Amakusa ITU Triathlon Asian Cup | Triathlon | Amakusa, Japan | www.asia.triathlon.org/events |
| 10th | Laguna Phuket International Marathon | Marathon | Phuket, Thailand | www.phuketmarathon.com/ |
| 17th | HK Road Cycling Championships | Individual Time Trial | Brides Pool Rd, HK | www.cycling.org.hk |
| 17th | Hong Kong Road Race - 8th Round | Time Trial | Brides Pool Rd, HK | www.cycling.org.hk |
| 20th | Mongolia Action Asia Ultra | Adventure Race | Mongolia | www.actionasiaevents.com |
| 24th | Hong Kong Road Race - 9th Round | Road Race | Tin Shui Wai | www.cycling.org.hk |
| 29th | Gamagori ITU Triathlon Asian Cup | Triathlon | Gamagori, Japan | www.asia.triathlon.org/events |
| 30th | Grassland Extreme Marathon | Marathon | Xiwuzhumiqin Qi, China | www.nordicways.com/english/index.php/category-696.html |
| 1st | Ironman Korea | Triathlon | Seogwipo City, Korea | www.k226.com/events |
| 7th | Port Dickson Triathlon, Malaysia | Triathlon | Port Dickson, Malaysia | www.triathlonmalaysia.com |
| 8th | Aquathon Series - Race 2 | Aquathon | Repulse Bay Beach, HK | www.triathlon.com.hk |
| 8th | Yilan FISU World University Triathlon Championships | Triathlon | Yilan, Taiwan | www.asia.triathlon.org/events |
| 14th | Osaka ITU Triathlon Asian Cup | Triathlon | Osaka, Japan | www.asia.triathlon.org/events |
| 15th | Singapore ITU Triathlon Asian Cup | Triathlon | Singapore | www.asia.triathlon.org/events |
| 22nd | Burabay ITU Triathlon Premium Asian Cup | Triathlon | Burabay, Kazakhstan | www.asia.triathlon.org/events |
| 1st | Mongolia Sunrise to Sunset Marathon | Marathon | Lake Hovsgol Nat. Pk, Mong. | www.ultramongolia.com/ |
| 26th | Aquathon Series - Race 3 | Aquathon | Golden Beach, HK | www.triathlon.com.hk |
| 2nd | Kokshetau ITU Triathlon Asian Cup | Triathlon | Kokshetau, Kazakhstan | www.asia.triathlon.org/events |
| 8th | Incheon ITU Triathlon Asian Cup | Triathlon | Incheon, Korea | www.asia.triathlon.org/events |
| 9th | Aquathon Series - Race 4 | Aquathon | Discovery Bay, HK | www.triathlon.com.hk |
| 16th | Chengdu ITU Triathlon Premium Asian Cup | Triathlon | Chengdu, China | www.asia.triathlon.org/events |
| 22nd | Murakami ITU Triathlon Asian Cup | Triathlon | Murakami, Japan | www.asia.triathlon.org/events |
| 22nd | Weihai ASTC Long Distance Tri Asian Champs & ITU World Series Event | Triathlon | Weihai, Shandong, China | www.asia.triathlon.org/events |
| 22nd | Tongyeong ITU Triathlon World Cup | Triathlon | Tongyeong, Korea | www.asia.triathlon.org/events |
| 29th | Yilan ITU Triathlon Asian Cup | Triathlon | Yilan, Taiwan | www.asia.triathlon.org/events |
| 13th | ITU World Triathlon Series Yokohama | Triathlon | Yokohama, Japan | www.asia.triathlon.org/events |
| 13th | Real Kathmandu International Marathon | Marathon | Kathmandu, Nepal | http://kathmandumarathon.com/ |
| 28th | Sahara Race | Endurance | Egypt | www.4deserts.com |
| 4th | Aquathon Series - Race 5 | Aquathon | South Bay Beach, HK | www.triathlon.com.hk |
| 13th | Indian Ocean Triathlon | Triathlon | Mauritius | http://uk.indianoceantriathlon.com |
| 16th | The Last Desert | Endurance | Antartica | www.4deserts.com |
| 17th | Lantau ITU Triathlon Asian Cup | Triathlon | Lantau, Hong Kong | www.triathlon.com.hk |
| 25th | Off Road Triathlon | Triathlon | Wan Chai Peninsula Isl, HK | www.triathlon.com.hk |
| 25th | Sanshui ITU Triathlon Premium Asian Cup | Triathlon | Sanshui, China | www.asia.triathlon.org/events |
| 2nd | Standard Chartered Bank Singapore Marathon | Marathon | Singapore | www.marathonsingapore.com/ |
| 2nd | Standard Chartered Bank Bangkok Marathon | Marathon | Bangkok, Thailand | www.bkkmarathon.com/eng/index.php |
