| 24 五月 | Pro-Active 短距離系列賽 2020 - 第四站 Pro-Active Sprint Orienteering 2020 - Stage IV |  Pro-Active Orienteering Club | Hong Kong | | club | | S | | |
| 5 六月 - 13 六月 | 香港野外定向會網上沿徑定向 - 精確賽 HKOC Online Trail O - preO |  Hong Kong Orienteering Club | Hong Kong | T | loc | | P | | |
| 7 六月 | 63屆體育節接力 - 灣仔 63rd Festival of Sport - Orienteering Relay Event - Wan Tsai |  MOPC
 Orienteering Association of Hong Kong, China | Hong Kong | | loc | R | M | | |
| 3 七月 - 12 七月 | 2020年香港野外定向會網上沿徑定向(精確賽 )第二回 - 探索世界遺產 HKOC Online TrailO (PreO) 2020 Series II - Explore World Heritage | Hong Kong Orienteering Club | Hong Kong | FT | loc | | P | | |
| 4 七月 | 2020香港野外定向會短途定向技術訓練 HKOC Sprint O Technical Training 2020 | Hong Kong Orienteering Club | Hong Kong | | club | | S | | |
| 4 七月 | 2020 HKOC Parent & Child Park Orienteering Training - Class no. 3 Hong Kong Park | Hong Kong Orienteering Club | Hong Kong | | club | | S | | |
| 11 七月 | Pro-Active 短距離繽Fun賽 2020 - 電話定向 暨 短距離定向練習賽 Pro-Active Fun Orienteering 2020 - Mobile-O | Pro-Active Orienteering Club | Hong Kong | | club | T | S | |  |
| 20 七月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 1 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 1 |  Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 2 八月 | 香港週年沿徑定向入圍賽 (精確賽) -馬鞍山 Hong Kong Annual Trail Orienteering Qualification (PreO) - Ma On Shan | Orienteering Association of Hong Kong, China
 Orienteering Seeds HK | Hong Kong | T | loc | | P | | |
| 5 八月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 2 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 2 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 15 八月 - 16 八月 | 2020 夏日健體短途及沿徑定向賽 (香港沿徑定向錦標賽入圍賽 精確賽及速決賽) 2020 Summer Fitness Sprint & Trail-O (Qualification race of the HK Trail-O Champs PreO and TempO) |  Metropolitan Orienteering Club | Hong Kong | FT | club | | S | | |
| 16 八月 | 2020 香港野外定向會定向技術訓練 HKOC Sprint O Technical Training II - 元朗公園 Yuen Long Park | Hong Kong Orienteering Club | Hong Kong | | loc | | L | | |
| 19 八月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 3 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 3 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 21 八月 - 31 八月 | 2020年香港野外定向會網上沿徑定向(精確賽)第三回 - 險地尋樂 HKOC Online TrailO (PreO) 2020 Series III - Fun in Broken Ground | Hong Kong Orienteering Club | Hong Kong | | loc | | L | | |
| 29 八月 | Pro-Active 短距離系列賽 2020 - 第一站 Pro-Active Sprint Orienteering 2020 - Stage I | Pro-Active Orienteering Club | Hong Kong | | club | | S | | |
| 2 九月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 4 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 4 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 6 九月 | 香港週年沿徑定向入圍賽 (精確賽)（地點待定）Hong Kong Annual Trail Orienteering Qualification (PreO) (Venue TBC) | Orienteering Association of Hong Kong, China
Orienteering Seeds HK | Hong Kong | T | loc | | P | | |
| 13 九月 | 香港定向排名聯賽2020 (中/長距離) - 昂平 Hong Kong Orienteering Ranking League 2020 (Middle/Long) - Ngong Ping | Metropolitan Orienteering Club
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 18 九月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 5 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 5 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 20 九月 | 香港定向排名聯賽2020 (短距離) Hong Kong Orienteering Ranking League 2020 (Sprint) | MOPC
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 27 九月 | 香港定向排名聯賽2020 (中/長距離) - 虎地 Hong Kong Orienteering Ranking League 2020 (Middle/Long) - Fu Tei |  Akinalliance
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 30 九月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 6 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 6 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 2 十月 | 香港週年沿徑定向入圍賽 (速決賽) - 掌牛山 Hong Kong Annual Trail Orienteering Qualification (TempO) - Cheung Ngau Shan | MOPC
Orienteering Association of Hong Kong, China | Hong Kong | T | loc | | T | | |
| 2 十月 | 香港週年沿徑定向入圍賽 (精確賽) - 掌牛山 Hong Kong Annual Trail Orienteering Qualification (PreO) - Cheung Ngau Shan | MOPC
Orienteering Association of Hong Kong, China | Hong Kong | T | loc | | P | | |
| 2 十月 | Pro-Active 短距離系列賽 2020 - 第二站 Pro-Active Sprint Orienteering 2020 - Stage II | Pro-Active Orienteering Club | Hong Kong | | club | | S | | |
| 10 十月 | NVii Y2Y 公園定向巡迴賽 2020 第一站 NVii Y2Y Park Orienteering Tournament 2020 Stage 1 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 11 十月 | 香港定向排名聯賽2020 (中/長距離) - 下花山 Hong Kong Orienteering Ranking League 2020 (Middle/Long) - Ha Fa Shan |  Apex Action
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 16 十月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 7 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 7 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 17 十月 | 學界公園定向錦標賽 2020/2021 (預賽) - 香港公園 Joint School Park Orienteering Championships 2020/2021 (Practice Race) - Hong Kong Park | Orienteering Association of Hong Kong, China
 Queen's College Orienteering Club | Hong Kong | | loc | | S | | |
| 18 十月 | 色級定向活動 2020/2021 - 青衣 Colour-Coded Event 2020/2021 - Tsing Yi | Orienteering Association of Hong Kong, China
 Volunteers Orienteering Club | Hong Kong | | loc | | M | | |
| 24 十月 - 25 十月 | 香港週年沿徑定向錦標賽 (精確賽及速決賽) Hong Kong Annual Trail Orienteering Championships (PreO and TempO) | Orienteering Association of Hong Kong, China | Hong Kong | T | loc | | P | | |
| 24 十月 | NVii Y2Y 公園定向巡迴賽 2020 第二站 NVii Y2Y Park Orienteering Tournament 2020 Stage 2 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 25 十月 | NVii Y2Y 公園定向巡迴賽 2020 第三站 NVii Y2Y Park Orienteering Tournament 2020 Stage 3 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 26 十月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 8 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 8 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 31 十月 | NVii Y2Y 公園定向巡迴賽 2020 第四站 NVii Y2Y Park Orienteering Tournament 2020 Stage 4 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 7 十一月 | 學界公園定向錦標賽 2020/2021 (初賽) - 沙田公園 Joint School Park Orienteering Championships 2020/2021 (Heat) - Sha Tin Park |  Hong Kong Island Orienteering Force
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 7 十一月 | Pro-Active 短距離系列賽 2020 - 第三站 Pro-Active Sprint Orienteering 2020 - Stage III | Pro-Active Orienteering Club | Hong Kong | | club | | S | | |
| 8 十一月 | NVii Y2Y 公園定向巡迴賽 2020 第五站 NVii Y2Y Park Orienteering Tournament 2020 Stage 5 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 13 十一月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 9 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 9 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 14 十一月 | 學界公園定向錦標賽 2020/2021 (決賽) - 海心公園 Joint School Park Orienteering Championships 2020/2021 (Final) - Hoi Sham Park |  A123
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 15 十一月 | Trimtex x OS Sprint Challenge 2020 | Orienteering Seeds HK | Hong Kong | | club | | S | | |
| 21 十一月 | NVii Y2Y 公園定向巡迴賽 2020 第六站 NVii Y2Y Park Orienteering Tournament 2020 Stage 6 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 22 十一月 | NVii Y2Y 公園定向巡迴賽 2020 第七站 NVii Y2Y Park Orienteering Tournament 2020 Stage 7 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 27 十一月 | NVii Y2Y 公園定向巡迴賽 2020 - 賽前訓練 10 NVii Y2Y Park Orienteering Tournament 2020 - Pre-race Training 10 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 28 十一月 - 5 十二月 | 世界沿徑定向錦標賽 2020 World Trail Orienteering Championships 2020 |  Hong Kong | Hong Kong | T | int | | P | | |
| 29 十一月 | Pro-Active 短距離系列賽 2020 - 第四站 Pro-Active Sprint Orienteering 2020 - Stage IV | Pro-Active Orienteering Club | Hong Kong | | club | | S | | |
| 29 十一月 | 2020 香港野外定向會親子公園定向訓練班 HKOC Parent & Child Park Orienteering Training - Class no. 4 元朗公園 Yuen Long Park | Hong Kong Orienteering Club | Hong Kong | | loc | | S | | |
| 6 十二月 | Mountain Bike Orienteering 山地單車定向賽 | Apex Action | Hong Kong | M | club | | S | | |
| 18 十二月 - 28 十二月 | 2020年香港野外定向會網上沿徑定向(精確賽 ) 第四回 - 天路沿徑 HKOC Online TrailO (PreO) 2020 Series IV - Along the sky trail | Hong Kong Orienteering Club | Hong Kong | T | loc | | P | | |
| 20 十二月 | Pro-Active 短距離系列賽 2020 - 總決賽 Pro-Active Sprint Orienteering 2020 - Final | Pro-Active Orienteering Club | Hong Kong | | club | | S | | |
| 25 十二月 - 1 一月 | 香港週年定向錦標賽 2020 Annual Orienteering Championships 2020 | Hong Kong | Hong Kong | | int | | M | | |
| 3 一月 | 色級定向活動 2020/2021 Colour-Coded Event 2020/2021 | Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 10 一月 | 香港定向排名聯賽 2021 (短距離) Hong Kong Orienteering Ranking League 2021 (Sprint) | Apex Action
Orienteering Association of Hong Kong, China | Hong Kong | | club | | S | | |
| 17 一月 | Y2Y 定向錦標賽 2021 Y2Y Orienteering Championships 2021 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | M | | |
| 23 一月 | 分區學界野外定向錦標賽 2020/2021 Joint School District Orienteering Championships 2020/2021 | Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 24 一月 | NPV x Kakato Men Dog Orienteering Race 2021 | Hong Kong Orienteering Club | Hong Kong | | loc | T | M | | |
| 24 一月 | 野外定向接力賽 2021 - 大嶼山昂坪 Orienteering Relay Event 2021 - Ngong Ping, Lantau | MOPC
Orienteering Association of Hong Kong, China | Hong Kong | | club | R | M | | |
| 30 一月 - 31 一月 | AYP Rogaine Charity Race 2021 |  The Hong Kong Award for Young People | Hong Kong | | loc | T | L | | |
| 6 二月 | 學界野外定向錦標賽 - 決賽 2020/2021 Joint School Orienteering Championships 2020/2021 - Final | Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 10 二月 - 16 二月 | 2021年 香港野外定向會 x 台灣定向運動協會 網上沿徑定向（精確賽）系列 第一回 HKOC x TWOA Online TrailO (PreO) Series 2021 Series 1 | Hong Kong Orienteering Club | Hong Kong | FT | loc | | P | | |
| 28 二月 - 8 三月 | Pro-Active 聖誕三連環 2020 Pro-Active X'Mas 3 Days 2020 | Pro-Active Orienteering Club | Hong Kong | | club | | S | | |
| 28 二月 | 香港定向排名聯賽 2021 (中/長距離) Hong Kong Orienteering Ranking League 2021 (Middle/Long) | Orienteering Association of Hong Kong, China | Hong Kong | | club | | M | | |
| 7 三月 | 香港定向排名聯賽 2021 (短距離) - 大坑東 Hong Kong Orienteering Ranking League 2021 (Sprint) - Tai Hang Tung | Akinalliance
Orienteering Association of Hong Kong, China | Hong Kong | | club | | S | | |
| 14 三月 | 色級定向活動 2020/2021 Colour-Coded Event 2020/2021 | Orienteering Association of Hong Kong, China | Hong Kong | | club | | M | | |
| 14 三月 | Y2Y定向錦標賽2021 | Y2Y Orienteering Championships 2021 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | M | | |
| 21 三月 | 自助手機色級定向活動 - 鴨仔山 Self Service Mobile Apps Colour Coded Orienteering Event - Duckling Hill | Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | |  |
| 21 三月 | 第二十四屆白理義先生紀念賽 - 鶴藪 24th Mr. Paddy Birney Memorial Score Event - Hok Tau | A123
Orienteering Association of Hong Kong, China | Hong Kong | | club | T | M | | |
| 28 三月 | NVii Y2Y 公園定向巡迴賽 2020 第九站 NVii Y2Y Park Orienteering Tournament 2020 Stage 9 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 1 四月 - 7 四月 | 2021年 香港野外定向會 x 台灣定向運動協會 網上沿徑定向（精確賽）系列 第二回 HKOC x TWOA Online TrailO (PreO) Series 2021 Series 2 | Hong Kong Orienteering Club | Hong Kong | T | loc | | P | | |
| 10 四月 | NVii Y2Y 公園定向巡迴賽 2020 第十站 NVii Y2Y Park Orienteering Tournament 2020 Stage 10 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 24 四月 | NVii Y2Y 公園定向巡迴賽 2020 第十一站 NVii Y2Y Park Orienteering Tournament 2020 Stage 11 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 1 五月 | NVii Y2Y 公園定向巡迴賽 2020 第十二站 NVii Y2Y Park Orienteering Tournament 2020 Stage 12 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 2 五月 | HKOC GPS Orienteering Series Stage 1 - Tai Tong | Hong Kong Orienteering Club | Hong Kong | | loc | | M | | |
| 8 五月 | HKOC GPS Orienteering Series Stage 2 - Tai Po Waterfront Park | Hong Kong Orienteering Club | Hong Kong | | loc | | S | | |
| 16 五月 | HKOC GPS Orienteering Series Stage 3 - Ngau Liu | Hong Kong Orienteering Club | Hong Kong | | loc | | M | | |
| 19 五月 | NVii Y2Y 公園定向巡迴賽 2020 第八站 NVii Y2Y Park Orienteering Tournament 2020 Stage 8 | Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | S | | |
| 22 五月 | HKOC GPS Orienteering Series Stage 4 - Yuen Long Park | Hong Kong Orienteering Club | Hong Kong | | loc | | S | | |
| 30 五月 | HKOC GPS Orienteering Series Stage 5 - Rotary Park | Hong Kong Orienteering Club | Hong Kong | | loc | | M | | |
| 5 六月 | HKOC GPS Orienteering Series Stage 6 - Victoria Park | Hong Kong Orienteering Club | Hong Kong | | loc | | S | | |
| 10 六月 - 16 六月 | 2021年 香港野外定向會 x 台灣定向運動協會 網上沿徑定向（精確賽）系列 第三回 HKOC x TWOA Online TrailO (PreO) Series 2021 Series 3 | Hong Kong Orienteering Club | Hong Kong | T | loc | | P | | |
