| w 17 | Sat 1/5 | Minis Camp TBC |  Orienteering Queensland | Orienteering Queensland | - | | club | | L | | | |
| ACT Metro Series: Junior League #1, Weston Park |  Abominable O-Men | Orienteering ACT | - | | loc | | M | | | |
| Sun 2/5 | Minis Camp TBC | Orienteering Queensland | Orienteering Queensland | - | | club | | L | | | |
| ACT Classic Series: ACT League #3, Foxlow |  Bushflyers | Orienteering ACT | - | | sta | | L | | | |
| Bergins Hill |  Ugly Gully Orienteers | Orienteering Queensland | - | | club | | M | | | |
| City to Bush Foot O & MTBO Highbury |  Tintookies Orienteers | Orienteering SA | - | FM | club | | L | | | |
| Moonabie North |  Saltbush Orienteers | Orienteering SA | - | | club | | L | | | |
| w 18 | Mon 3/5 | Minis Camp TBC | Orienteering Queensland | Orienteering Queensland | - | | club | | L | | | |
| Tue 4/5 | Night Nav - Indooroopilly - BCC | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Wed 5/5 | | | | | | | | | | | |
| Thu 6/5 | | | | | | | | | | | |
| Fri 7/5 | | | | | | | | | | | |
| Sat 8/5 | IKO Local - Illawarra |  Illawarra Kareelah Orienteers | Orienteering NSW | - | | loc | | M | | | |
| ACT Metro Series: Junior League #2, Oakey Hill |  Parawanga Orienteers | Orienteering ACT | - | | loc | | M | | | |
| Sun 9/5 | Waggaroos Local Bush |  Wagga and Riverina Occasional Orienteers | Orienteering NSW | - | | loc | | M | | | |
| AWOC Club MTBO - Indigo Winery Beechworth |  Albury-Wodonga Orienteering Club | Orienteering Victoria | - | M | club | | M | | | |
| w 19 | Mon 10/5 | | | | | | | | | | | |
| Tue 11/5 | Night Nav - Red Hill | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Wed 12/5 | | | | | | | | | | | |
| Thu 13/5 | | | | | | | | | | | |
| Fri 14/5 | NWD Interschool Sport Weeks 6-10, race 7 |  Enoggeroos | Orienteering Queensland | - | | club | | L | | | |
| Sat 15/5 | EODS Ferny Grove Parklands BCC | Enoggeroos | Orienteering Queensland | - | FP | club | | L | | | |
| NOL #5, ACT League #4, NSW SL #5: Broulee Dunes |  Orienteering ACT
 Orienteering NSW
 Red Roos | Orienteering ACT
Orienteering NSW | - | | nat | | M | | | |
| Vic MTBO Middle Distance Championships |  Nillumbik Emus Orienteering Club | Orienteering Victoria | - | M | champs | | M | | | |
| Vic MTBO Sprint Championships |  Eureka Orienteers | Orienteering Victoria | - | M | champs | | S | | | |
| Sun 16/5 | NOL #5, ACT League #5, NSW SL #6: Broulee Dunes | Orienteering ACT
Orienteering NSW
Red Roos | Orienteering ACT
Orienteering NSW | - | | nat | | M | | | |
| Vic MTBO Long Distance Championships |  Bayside Kangaroos Orienteers | Orienteering Victoria | - | M | champs | | L | | | |
| MTBO SS3 - Beerburrum West |  Sunshine Orienteers Club | Orienteering Queensland | - | M | club | | L | | | |
| Changing Mountain, Kholo - bush - BCC | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Hastings Crestwood Orienteering |  Hastings Orienteering Group | Orienteering NSW | - | FP | loc | | M | | | |
| Shepherds Hill |  Tjuringa Orienteers | Orienteering SA | - | | club | | M | | | |
| w 20 | Mon 17/5 | | | | | | | | | | | |
| Tue 18/5 | Night Nav - Toowong | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Wed 19/5 | 2021 Moonlight Madness #2 (World Orienteering Day) |  Garingal Orienteers
Orienteering NSW | Orienteering NSW | - | FP | loc | | M | N | | |
| Thu 20/5 | | | | | | | | | | | |
| Fri 21/5 | NWD Interschool Sport Weeks 6-10, race 8 | Enoggeroos | Orienteering Queensland | - | | club | | L | | | |
| Sat 22/5 | EODS Chermside Hills BCC | Enoggeroos | Orienteering Queensland | - | FP | club | | L | | | |
| ACT Metro Series: Junior League #3, Wanniassa Hills | Parawanga Orienteers | Orienteering ACT | - | | loc | | M | | | |
| Sun 23/5 | ACT MTBO Series #2: Bruce Ridge | Orienteering ACT | Orienteering ACT | - | M | loc | | L | | | |
| Northern Tablelands Local Bush |  Northern Tablelands Orienteering Club | Orienteering NSW | - | | loc | | M | | | |
| Sydney Metro League #3 |  Bennelong Northside Orienteers | Orienteering NSW | - | FP | loc | | M | | | |
| Interclub #3 - Albury-Wodonga | Albury-Wodonga Orienteering Club
Wagga and Riverina Occasional Orienteers | Orienteering Victoria
Orienteering NSW | - | | club | | M | | | |
| AWOC - Waggaroos Interclub #3 - Walbundrie | Albury-Wodonga Orienteering Club | Orienteering Victoria | - | | club | | L | | | |
| Karinya, Eden Hills - Foot and MTBO Score Event |  Onkaparinga Hills Orienteering Club | Orienteering SA | - | FM | club | | L | | | |
| w 21 | Mon 24/5 | | | | | | | | | | | |
| Tue 25/5 | Night Nav - Yeronga | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Wed 26/5 | | | | | | | | | | | |
| Thu 27/5 | | | | | | | | | | | |
| Fri 28/5 | NWD Interschool Sport Weeks 6-10, race 9 | Enoggeroos | Orienteering Queensland | - | | club | | L | | | |
| Sat 29/5 | ACT Metro Series: Junior League #4, The Pinnacle | Bushflyers | Orienteering ACT | - | | loc | | M | | | |
| Sun 30/5 | Waggaroos Local Sprint | Wagga and Riverina Occasional Orienteers | Orienteering NSW | - | FP | loc | | S | | | |
| OY6 - Bunyaville West | Enoggeroos | Orienteering Queensland | - | | club | | L | | 27/5* | |
| Corunna Gap | Saltbush Orienteers | Orienteering SA | - | | club | | L | | | |
| w 22 | Mon 31/5 | | | | | | | | | | | |
| Tue 1/6 | Night Nav - Bardon - BCC | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Wed 2/6 | | | | | | | | | | | |
| Thu 3/6 | | | | | | | | | | | |
| Fri 4/6 | NWD Interschool Sport Weeks 6-10, race 10 | Enoggeroos | Orienteering Queensland | - | | club | | L | | | |
| Sat 5/6 | IKO Local - North Cronulla or Waterfall | Illawarra Kareelah Orienteers | Orienteering NSW | - | | loc | | M | | | |
| ACT Metro Series: Junior League #5, Mt Ainslie North | Abominable O-Men | Orienteering ACT | - | | loc | | M | | | |
| Sun 6/6 | ACT Classic Series: Jim Sawkins Memorial Handicap, ACT League #6, TBA | Red Roos | Orienteering ACT | - | | sta | | L | | | |
| The Great Nosh Footrace Trail Run | Bennelong Northside Orienteers
 Bold Horizons Event Organiser | Orienteering NSW | - | | loc | | L | | | |
| w 23 | Mon 7/6 | | | | | | | | | | | |
| Tue 8/6 | Night Nav - Chapel Hill Cicada Park | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Wed 9/6 | | | | | | | | | | | |
| Thu 10/6 | | | | | | | | | | | |
| Fri 11/6 | | | | | | | | | | | |
| Sat 12/6 | Eppalock Long Weekend, Day 1 - Vic Autumn 5 / Bendigo Bush |  Bendigo Orienteers
 Dandenong Ranges Orienteering Club
 Melbourne Forest Racers | Orienteering Victoria | - | | sta | | L | | 3/6 | |
| 2021 Queens Birthday 3 Days / NSW State League 7 to 9 - Multi Day Entry , race 1 |  Newcastle Orienteering Club | Orienteering NSW | - | | sta | | M | | | |
| Manawarra - North of Hawker | Onkaparinga Hills Orienteering Club | Orienteering SA | - | | club | | M | | | |
| Sun 13/6 | Eppalock Long Weekend, day 2 - Vic Autumn 6 | Bendigo Orienteers
Dandenong Ranges Orienteering Club
Melbourne Forest Racers | Orienteering Victoria | - | | sta | | L | | 3/6 | |
| 2021 Queens Birthday 3 Days / NSW State League 7 to 9 - Multi Day Entry , race 2 | Newcastle Orienteering Club | Orienteering NSW | - | | sta | | L | | | |
| OY7 - Opossum Creek South | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | M | | | |
| Wilpena Spurs OY | Tintookies Orienteers | Orienteering SA | - | | club | | L | | | |
| w 24 | Mon 14/6 | Eppalock Long Weekend, day 3 - Eppalock Short & Sweet | Bendigo Orienteers
Dandenong Ranges Orienteering Club
Melbourne Forest Racers | Orienteering Victoria | - | | sta | | M | | 3/6 | |
| 2021 Queens Birthday 3 Days / NSW State League 7 to 9 - Multi Day Entry , race 3 | Newcastle Orienteering Club | Orienteering NSW | - | | sta | | S | | | |
| Rawnsley | Tjuringa Orienteers | Orienteering SA | - | | club | | L | | | |
| Tue 15/6 | Night Nav - Rainworth | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Wed 16/6 | | | | | | | | | | | |
| Thu 17/6 | | | | | | | | | | | |
| Fri 18/6 | | | | | | | | | | | |
| Sat 19/6 | ACT Metro Series: Junior League #6, Bruce Ridge | Bushflyers | Orienteering ACT | - | | loc | | M | | | |
| Sun 20/6 | Northern Tablelands Local Bush | Northern Tablelands Orienteering Club | Orienteering NSW | - | | loc | | M | | | |
| Hastings Lake Cathie Orienteering | Hastings Orienteering Group | Orienteering NSW | - | FP | loc | | M | | | |
| Sydney Metro League #4 |  Western and Hills Orienteers | Orienteering NSW | - | FP | loc | | M | | 20/6* | |
| Interclub #4 - Waggaroos | Albury-Wodonga Orienteering Club
Wagga and Riverina Occasional Orienteers | Orienteering Victoria
Orienteering NSW | - | | loc | | M | | | |
| w 25 | Mon 21/6 | | | | | | | | | | | |
| Tue 22/6 | Night Nav - Fig Tree Pocket | Ugly Gully Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Wed 23/6 | 2021 Moonlight Madness #3 | Orienteering NSW | Orienteering NSW | - | FP | loc | | M | | | |
| Thu 24/6 | | | | | | | | | | | |
| Fri 25/6 | | | | | | | | | | | |
| Sat 26/6 | ACT Metro Series: Junior League #7, Aranda Snow Gums | Red Roos | Orienteering ACT | - | | loc | | M | | | |
| Sun 27/6 | ACT Classic Series: ACT League #7, The Gib | Parawanga Orienteers | Orienteering ACT | - | | sta | | L | | | |
| Crows Nest MTBO |  Range Runners Orienteering Club | Orienteering Queensland | - | M | club | | L | | 23/6* | |
| Hidden Valley | Saltbush Orienteers | Orienteering SA | - | | loc | | L | | | |
| w 26 | Mon 28/6 | | | | | | | | | | | |
| Tue 29/6 | | | | | | | | | | | |
| Wed 30/6 | | | | | | | | | | | |
