| 5 一月 | Roving Fun Day - Hong Kong Velodrome Park |  Leisure and Cultural Services Department
 Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 5 一月 | Roving Fun Day - Lai Chi Kok Park | Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 11 一月 | Roving Fun Day - Kai Tak Cruise Terminal Park | Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 18 一月 | Roving Fun Day - Aldrich Bay Promenade and Eastern District Cultural Square | Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 2 二月 | 香港定向排名聯賽 2020 – 中/長距離 Hong Kong Orienteering Ranking League 2020 (Middle/Long) |  Akinalliance
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 8 二月 | 分區學界野外定向錦標賽 2019/20 - 香港仔水塘 Joint School Orienteering Championships 2019/20 - Heat - Aberdeen Reservoirs | Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 8 二月 | Roving Fun Day - Yuen Long Park | Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 8 二月 | Roving Fun Day - Kai Tak Cruise Terminal Park | Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 15 二月 | 學界野外定向錦標賽 2019/20 - 決賽 - 南丫島 Joint School Orienteering Championships 2019/20 - Final - Lamma Island | Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 15 二月 | Roving Fun Day - Lai Chi Kok Park | Leisure and Cultural Services Department
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | S | | |
| 15 三月 | 全港青少年野外定向錦標賽 2019/20 - 坪洲 Youth Orienteering Championships 2019/20 - Peng Chau | Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 22 三月 | 香港定向排名聯賽 2020 – 中/長距離 Hong Kong Orienteering Ranking League 2020 (Middle/Long) |  Metropolitan Orienteering Club
Orienteering Association of Hong Kong, China | Hong Kong | | loc | | M | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
