| 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 | | |
| 12 一月 | FIREE Y2Y Orienteering Championships 2020 cum Hong Kong Orienteering Ranking League 2020 (Middle/Long) |  Y2Y Orienteering Development and Training Centre | Hong Kong | | club | | L | |  |
| 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 | | |
| 12 四月 - 1 十二月 | 第六届河南省科技体育项目学校定向锦标赛暨第十届定向冠军赛（测试） |  指北针 | Henan | | nat | | M | | |
| 17 四月 | 2020智行定向联赛 |  China | Henan | | nat | | L | | |
| 1 五月 | 测试 |  河南财政金融学院 | Henan | | nat | R | 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 | | |
| 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 | |  |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
| 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 | | |
