| 24 Oct | 2021年香港沿徑定向入圍賽 (精確賽) - 保良局北潭涌渡假營 Hong Kong Trail Orienteering Qualification 2021 (PreO) - Po Leung Kuk Pak Tam Chung Holiday Camp |  Orienteering Association of Hong Kong
 Orienteering Seeds HK | Hong Kong | T | loc | | P | |  |
| 30 Oct - 1 Nov | 香港海運週定向賽2021 Hong Kong Maritime Week Orienteering Race 2021 |  Hong Kong Orienteering Club | Hong Kong | | loc | | L | 18/10 | |
| 31 Oct | 香港定向排名聯賽 – 短距離(香港基督教青年會南丫島戶外及環保活動中心) Hong Kong Orienteering Ranking League - Sprint (YMCA Lamma Island Outdoor Centre) | Orienteering Association of Hong Kong
 Wah Yan Orienteering Club | Hong Kong | | loc | | S | 20/10 | |
| 6 Nov | Str8 x TerraX Sprint Orienteering Tournament 2021 Round 5 |  TerraX Sports Club
 Y2Y Orienteering Development and Training Centre | Hong Kong | | loc | | S | 1/11 | |
| 6 Nov | Pro-Active 短距離系列賽 2021 第七站 Pro-Active Sprint Orienteering 2021 Stage 7 |  Pro-Active Orienteering Club | Hong Kong | | loc | | S | | |
| 7 Nov | 山海公城 短途定向系列 2021 第四站「城」MOPC Sprint Orienteering Series 2021 Stage 4 "City" |  MOPC | Hong Kong | | loc | | S | | |
| 14 Nov | 香港定向排名聯賽 – 中/長距離 (排頭坑) Hong Kong Orienteering Ranking League - Middle/Long (Pai Tau Hang) |  A123
Orienteering Association of Hong Kong | Hong Kong | | loc | | M | 31/10 | |
| 14 Nov | 生態捍衛戰 Eco-Rangers 2021 | Hong Kong Orienteering Club | Hong Kong | | loc | T | M | | |
| 20 Nov | Y2Y 公園定向巡迴賽 2021 第六站 Y2Y Park Orienteering Tournament 2021 Stage 6 | Y2Y Orienteering Development and Training Centre | Hong Kong | | loc | | S | 15/11 | |
| 20 Nov | Pro-Active 短距離系列賽 2021 第八站 Pro-Active Sprint Orienteering 2021 Stage 8 | Pro-Active Orienteering Club | Hong Kong | | loc | | S | | |
| 21 Nov | 2021年香港沿徑定向入圍賽 (速決賽) - 聯青社-青年會黃宜洲青年營 Hong Kong Trail Orienteering Qualification 2021 (TempO) - Y's Men - YMCA Wong Yi Chau Youth Camp | MOPC
Orienteering Association of Hong Kong | Hong Kong | T | loc | | T | 31/10 | |