| w 14 | Wed 1/4 | 2020 NSW Schools Team nominations |  Orienteering NSW | Orienteering NSW | 32 | | sta | | L | | | |
| Thu 2/4 | | | | | | | | | | | |
| Fri 3/4 | | | | | | | | | | | |
| Sat 4/4 | ACT Sprint Distance Championships: ACT League #1, ADFA - CANCELLED |  Parawanga Orienteers | Orienteering ACT | 29 | | champs | | S | | | |
| Stonehenge - Tas Schools Champs - Southern Local #3 - CANCELLED |  Australopers | Orienteering Tasmania | 0 | | sta | | L | | | |
| MTBO Sprint Event - Beechworth POSTPONED TO FUTURE DATE. |  Albury-Wodonga Orienteering Club | Orienteering Victoria | 16 | M | sta | | S | | | |
| Sun 5/4 | Vic MTBO Vic Series #1 - Stanley. POSTPONED TO A FUTURE DATE | Albury-Wodonga Orienteering Club
 Bayside Kangaroos Orienteers | Orienteering Victoria | 15 | M | sta | | L | | | |
| ACT Classic Series: ACT League #2, Mugga Mugga - CANCELLED |  Abominable O-Men | Orienteering ACT | 9 | | sta | | L | | | |
| w 15 | Mon 6/4 | | | | | | | | | | | |
| Tue 7/4 | | | | | | | | | | | |
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| w 16 | Mon 13/4 | | | | | | | | | | | |
| Tue 14/4 | Postponed - Level 1 Coaching Workshop | Orienteering NSW | Orienteering NSW | - | | nat | | L | | | |
| Wed 15/4 | | | | | | | | | | | |
| Thu 16/4 | | | | | | | | | | | |
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| w 17 | Mon 20/4 | | | | | | | | | | | |
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| Thu 23/4 | | | | | | | | | | | |
| Fri 24/4 | | | | | | | | | | | |
| Sat 25/4 | **Postponed** National Orienteering League (NOL) Round 3 – Sprint 1 – Gold Coast |  Orienteering Queensland | Orienteering Queensland | 0 | | nat | | S | | | |
| Sun 26/4 | **Postponed** National Orienteering League (NOL) Round 3 – Sprint 2 – Gold Coast, sprint Qualifier | Orienteering Queensland | Orienteering Queensland | 0 | | nat | | S | | | |
| **Postponed** National Orienteering League (NOL) Round 3 – Sprint 2 – Gold Coast, sprint Final | Orienteering Queensland | Orienteering Queensland | 0 | | nat | | S | | | |
| POSTPONED till 2021 - Vic Autumn 3 - Glenlyon Forest, Glenlyon |  Central Highlands Orienteering Club
 Orienteering Victoria | Orienteering Victoria | 0 | | sta | | L | | | |
| w 18 | Mon 27/4 | | | | | | | | | | | |
| Tue 28/4 | | | | | | | | | | | |
| Wed 29/4 | | | | | | | | | | | |
| Thu 30/4 | | | | | | | | | | | |
| Fri 1/5 | | | | | | | | | | | |
| Sat 2/5 | POSTPONED - Vic MTBO Vic Series #2 - Wombat Station | Bayside Kangaroos Orienteers | Orienteering Victoria | 0 | M | sta | | L | | | |
| Sun 3/5 | POSTPONED till 2021 - Vic Autumn 4 - Sailor's Diggings, Daylesford | Bayside Kangaroos Orienteers
Orienteering Victoria | Orienteering Victoria | 0 | | sta | | L | | | |
| w 19 | Mon 4/5 | | | | | | | | | | | |
| Tue 5/5 | | | | | | | | | | | |
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