| w 49 | Thu 4/12 | Melbourne O Training 7 - New Alphington | Melbourne Forest Racers | Orienteering Victoria | 12 | | club | | S | | | |
| Melbourne Park Street Thursday Summer Series - Woodridge | Yarra Valley Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Night Nav - Southside - Rochedale South | Toohey Forest Orienteers | Orienteering Queensland | 18 | | club | | L | | |  |
| Fri 5/12 | Twilight Series Event #4 - River Torrens, Adelaide Oval Precinct to North Adelaide | Orienteering SA | Orienteering SA | 94 | FP | club | | M | | |  |
| Sat 6/12 | MetrO 5 Treeby | Orienteering WA WA Nomads | Orienteering WA | 65 | P | loc | | L | | |   |
| Sun 7/12 | ACT Sprint Series #3, Kingston Foreshore | Orienteering ACT | Orienteering ACT | 131 | | loc | | S | | |   |
| Central Coast Summer Series 4 - Mount Penang | Central Coast Orienteers | Orienteering NSW | 39 | FP | loc | | M | | |  |
| 2025 WHO Cup & AGM | Western and Hills Orienteers | Orienteering NSW | 35 | | club | | M | | | |
| West Sydney Orienteering Series 25/26 #1 | Western and Hills Orienteers | Orienteering NSW | 84 | FP | loc | | M | | |   |
| Mornington Peninsula Sunday MapRun - Sorrento | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | N | | |
| OWA Annual Celebration | Orienteering WA | Orienteering WA | 73 | | club | | L | | | |
| AWOC AGM & Christmas Function | Albury-Wodonga Orienteering Club | Orienteering Victoria | - | | club | | L | | | |
| Park O - John Sprent Reserve | Ugly Gully Orienteers | Orienteering Queensland | 30 | | club | | L | | |  |
| OSA Presentation Evening | Orienteering SA | Orienteering SA | 66 | FP | club | | S | | | |
| NT: TEO Christmas novelty event and annual awards | Top End Orienteers | Orienteering SA | 15 | | club | | S | | | |
| w 50 | Mon 8/12 | OA Workshop #4 - Great Relationships and Opportunities | Orienteering Australia | | - | | loc | | L | N | | |
| ACT MapRun Street Series: National Museum, Acton, 4-8 Dec | Orienteering ACT | Orienteering ACT | 52 | P | loc | | L | | |  |
| Melbourne Park Street Monday Summer Series - Coomoora | Dandenong Ranges Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Tue 9/12 | Newcastle Club's 50 Year and Christmas Social | Newcastle Orienteering Club | Orienteering NSW | 51 | FP | club | | S | C | | |
| Melbourne Park Street Tuesday Summer Series - Newport Lakes | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | N | | |
| Night Nav - EN - Gordon Park | Enoggeroos | Orienteering Queensland | 44 | FP | club | | M | N | |  |
| Night Nav - Palmwoods | Sunshine Orienteers Club | Orienteering Queensland | 14 | FP | club | | M | N | |  |
| Wed 10/12 | Newcastle Club Uniform Orders | Newcastle Orienteering Club | Orienteering NSW | - | | loc | | P | | | |
| Midweek Training at Lochiel Park | Orienteering SA | Orienteering SA | 16 | | club | | L | | | |
| 2025/26 Sydney Summer Series #10 - Cheltenham | Big Foot Orienteers | Orienteering NSW | 177 | FP | loc | | M | | |  |
| Newcastle Summer Street Series #9 - Maryland | Newcastle Orienteering Club | Orienteering NSW | 54 | P | club | | M | | |  |
| ACT Runners Shop Twilight Series #8: North Lyneham Ridge | Red Roos | Orienteering ACT | 111 | | loc | | M | | |   |
| Melbourne Park Street Wednesday Summer Series - Glen Iris | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | N | | |
| Thu 11/12 | Melbourne Park Street Thursday Summer Series - Heidelberg Central | Nillumbik Emus Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Night Nav - Southside - Kuraby | Toohey Forest Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Fri 12/12 | Melbourne O Training 8 - The Treasury | Melbourne Forest Racers | Orienteering Victoria | 11 | | club | | S | | 12/12* | |
| Twilight Series Event #5 - Oaklands Park | Orienteering SA | Orienteering SA | 49 | FP | club | | M | | 11/12 | |
| Sat 13/12 | Woolgoolga MapRun Orienteering | Bush n Beach Orienteering Club | Orienteering NSW | 0 | FP | club | | M | | 13/12* | |
| Sprint 1 St Marks | Orienteering WA WA Nomads | Orienteering WA | 21 | | loc | | S | | 13/12* | |
| Sun 14/12 | Bennelong Northside Orienteers BBQ | Bennelong Northside Orienteers | Orienteering NSW | 11 | | club | | M | | 13/12 | |
| Newcastle BOSS 3 MTBO - Stanford Merthyr | Newcastle Orienteering Club | Orienteering NSW | 12 | M | club | | L | | 31/12 | |
| Waggaroos MapRun Series 2025-26 #3, Glenfield Park | Wagga and Riverina Orienteers | Orienteering NSW | - | FP | club | | M | | | |
| Central Coast Summer Series 5 - Narara | Central Coast Orienteers | Orienteering NSW | 2 | FP | loc | | M | | 31/12 | |
| ACT Sprint Series #4, Queanbeyan High School | Orienteering ACT | Orienteering ACT | 9 | | loc | | S | | 14/12* |  |
| ACT Sprint Series Season Pass | Orienteering ACT | Orienteering ACT | 92 | | loc | | S | | 13/12* | |
| CPR training, then Nillumbik Emus AGM & Christmas function | Nillumbik Emus Orienteering Club | Orienteering Victoria | - | | club | | L | | | |
| Wayne Richards Park Orienteering | Hastings Orienteering Group | Orienteering NSW | 0 | | club | | M | | 14/12* | |
| EVOC Christmas Break-Up | Esk Valley Orienteering Club | Orienteering Tasmania | 16 | | club | | S | | 12/12 | |
| PARKO - BCC Sponsored Event - Creekside Park Kenmore | Ugly Gully Orienteers | Orienteering Queensland | 6 | | club | | L | | 12/12 | |
| w 51 | Mon 15/12 | ACT MapRun Street Series: East Narrabundah, 11-15 Dec | Orienteering ACT | Orienteering ACT | 0 | P | loc | | L | | 15/12* | |
| ACT MapRun Street Series October-December Season Pass | Orienteering ACT | Orienteering ACT | 52 | P | loc | | L | | 15/12* | |
| Melbourne Park Street Monday Summer Series - Kangaroo Very Flat | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | N | | |
| Tue 16/12 | Melbourne Park Street Tuesday Summer Series - Seaholme | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | N | | |
| Night Nav - EN - Oxford Park | Enoggeroos | Orienteering Queensland | - | FP | club | | M | N | 13/12 | |
| Night Nav - Peregian Springs | Sunshine Orienteers Club | Orienteering Queensland | 1 | FP | club | | M | N | 16/12* | |
| Wed 17/12 | Australian Junior Development Camp 2025 | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | 73 | | nat | | L | C | 4/12* | |
| 2025/26 Sydney Summer Series #11 - Turramurra | Garingal Orienteers | Orienteering NSW | - | FP | loc | | M | | 17/12* | |
| ACT Pre-Xmas-Twilight MTBO - ARBORETUM | Orienteering ACT | Orienteering ACT | 12 | M | loc | | M | | 16/12 | |
| Newcastle Summer Street Series #10 - Redhead | Newcastle Orienteering Club | Orienteering NSW | 2 | P | club | | M | | 31/12 | |
| Melbourne Park Street Wednesday Summer Series - Park Orchards | Dandenong Ranges Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Night Nav Nth - EN - Kippa-Ring | Enoggeroos | Orienteering Queensland | - | FP | club | | M | | 19/10 | |
| Thu 18/12 | Australian Junior Development Camp 2025 | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | 73 | | nat | | L | C | 4/12* | |
| Melbourne Park Street Thursday Summer Series - Janefield | Nillumbik Emus Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Night Nav - Southside - Runcorn | Toohey Forest Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Fri 19/12 | Australian Junior Development Camp 2025 | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | 73 | | nat | | L | C | 4/12* | |
| Sat 20/12 | Australian Junior Development Camp 2025 | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | 73 | | nat | | L | C | 4/12* | |
| A Crazy Karawara Christmas - Christmas O Event | Orienteering WA | Orienteering WA | 25 | FP | club | | L | | 18/12 | |
| Sun 21/12 | Australian Junior Development Camp 2025 | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | Orienteering ACT Orienteering NSW Orienteering Queensland Orienteering SA Orienteering Tasmania Orienteering Victoria Orienteering WA | 73 | | nat | | L | C | 4/12* | |
| MapRun Parks 2025 - Rocks River Side | Ugly Gully Orienteers | Orienteering Queensland | - | FP | club | | L | | | |
| w 52 | Mon 22/12 | Melbourne Park Street Monday Summer Series - Waverley Parklands | Nillumbik Emus Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Tue 23/12 | 2025/26 Sydney Summer Series #12 - Mosman | Bennelong Northside Orienteers | Orienteering NSW | - | FP | loc | | M | | 23/12* | |
| Night Nav - EN - Ferny Grove | Enoggeroos | Orienteering Queensland | - | FP | club | | M | N | 15/12 | |
| Wed 24/12 | Melbourne Park Street Wednesday Summer Series - Blackburn Creeklands | Yarra Valley Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Thu 25/12 | ONSW Steigen Socks brought to you by ONSW Juniors | Newcastle Orienteering Club Orienteering NSW | Orienteering NSW | 55 | | loc | | M | C | 31/12 | |
| Fri 26/12 | Santa 6 Days 2025 - Event 1 - City Botanic Gardens (Gardens Point) | Orienteering Queensland | Orienteering Queensland | - | FP | club | | L | | | |
| Sat 27/12 | Xmas 5 Days - CAMPING | Newcastle Orienteering Club | Orienteering NSW | 6 | P | club | | P | | 31/12 | |
| 2025 XMAS 5 DAYS, day 1 | Newcastle Orienteering Club | Orienteering NSW | 87 | | loc | | M | | 16/12 | |
| Santa 6 Days 2025 – Event 2: Anzac Park, Toowong | Orienteering Queensland | Orienteering Queensland | - | FP | club | | L | | | |
| Sun 28/12 | 2025 XMAS 5 DAYS, day 2 | Newcastle Orienteering Club | Orienteering NSW | 96 | | loc | | M | | 16/12 | |
| Santa 6 Days 2025 – Event 3: Meadowlands (Minnippi Parklands) | Orienteering Queensland | Orienteering Queensland | - | FP | club | | L | | | |
| w 1 | Mon 29/12 | 2025 XMAS 5 DAYS, day 3 | Newcastle Orienteering Club | Orienteering NSW | 96 | | loc | | L | | 16/12 | |
| Santa 6 Days 2025 – Event 4: Cliveden Park, Fig Tree Pocket | Orienteering Queensland | Orienteering Queensland | - | FP | club | | L | | | |
| Melbourne Park Street Monday Summer Series - Strathaird | Dandenong Ranges Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Tue 30/12 | 2025 XMAS 5 DAYS, day 4 | Newcastle Orienteering Club | Orienteering NSW | 95 | | loc | | L | | 16/12 | |
| Santa 6 Days 2025 – Event 5: Norman Creek, Coorparoo | Orienteering Queensland | Orienteering Queensland | - | FP | club | | L | | | |
| 2025/26 Sydney Summer Series #13 - Cammeray | Garingal Orienteers | Orienteering NSW | - | FP | loc | | M | | 30/12* | |
| Xmas 5 Days - Social Dinner | Newcastle Orienteering Club | Orienteering NSW | 2 | | club | | S | | 31/12 | |
| Melbourne Park Street Tuesday Summer Series - Royal Park | Melbourne Forest Racers | Orienteering Victoria | - | P | club | | L | N | | |
| Wed 31/12 | 2025 XMAS 5 DAYS, day 5 | Newcastle Orienteering Club | Orienteering NSW | 86 | | loc | | S | | 16/12 | |
| Bennelong Northside Club Communications | Bennelong Northside Orienteers | Orienteering NSW | 83 | | club | | L | | 28/12 | |
| OV Street Series Class Template | Orienteering Victoria | Orienteering Victoria | - | FP | club | | L | | | |
| Santa 6 Days 2025 – Event 6: Sherwood Arboretum | Orienteering Queensland | Orienteering Queensland | - | FP | club | | L | | | |
| Melbourne Park Street Wednesday Summer Series - Blackburn South | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | N | | |
| Thu 1/1 | Newcastle Club Communication | Newcastle Orienteering Club | Orienteering NSW | 277 | | club | | L | | 28/12 | |
| Newcastle Communication | Newcastle Orienteering Club | Orienteering NSW | 270 | FMP | club | | M | | 22/12 | |
| Melbourne Park Street Thursday Summer Series - Kalparrin | Nillumbik Emus Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Fri 2/1 | | | | | | | | | | | |
| Sat 3/1 | Surfside Park Street Summer Series - St Leonards | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | | | |
| Sprint 2 ECU Joondalup | Orienteering WA WA Nomads | Orienteering WA | - | | loc | | S | | 31/12 | |
| Sun 4/1 | | | | | | | | | | | |
| w 2 | Mon 5/1 | Melbourne Park Street Monday Summer Series - Academy Hill | Dandenong Ranges Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Tue 6/1 | Melbourne Park Street Tuesday Summer Series - North Melbourne | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | N | | |
| Night Nav - EN - Bracken Ridge | Enoggeroos | Orienteering Queensland | - | FP | club | | M | N | 29/12 | |
| Wed 7/1 | 2025/26 Sydney Summer Series #14 - La Perouse | Uringa Orienteers | Orienteering NSW | 2 | FP | loc | | M | | 7/1* | |
| Newcastle Summer Street Series #11 - Speers Point | Newcastle Orienteering Club | Orienteering NSW | - | P | club | | M | | 31/12 | |
| Melbourne Park Street Wednesday Summer Series - Hawthorn East | Nillumbik Emus Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| Thu 8/1 | Melbourne Park Street Thursday Summer Series - Mill Park Lakes | Yarra Valley Orienteering Club | Orienteering Victoria | - | P | club | | L | N | | |
| NightNav - Southside - Runcorn Heights | Toohey Forest Orienteers | Orienteering Queensland | - | | club | | L | | | |
| Fri 9/1 | Tasmanian Junior Orienteering Training Camp - St Helens | Orienteering Tasmania | Orienteering Tasmania | 0 | | sta | | P | | 2/1 | |
| Twilight Series Event #6 - SE Parklands | Orienteering SA | Orienteering SA | - | FP | club | | M | | 8/1 | |
| OWA Summer Junior Camp | Orienteering WA | Orienteering WA | 21 | | loc | | S | | 12/12 | |
| Sat 10/1 | Tasmanian Junior Orienteering Training Camp - St Helens | Orienteering Tasmania | Orienteering Tasmania | 0 | | sta | | P | | 2/1 | |
| OWA Summer Junior Camp | Orienteering WA | Orienteering WA | 21 | | loc | | S | | 12/12 | |
| SummerSaturdays #1 | Southern Highlands Orienteers | Orienteering NSW | - | FP | loc | | M | | 9/1* | |
| Surfside Park Street Summer Series - Fishermen's Flat, Queenscliff | Bayside Kangaroos Orienteers | Orienteering Victoria | - | P | club | | L | | | |
| MetrO 6 Shelley | Orienteering WA WA Nomads | Orienteering WA | - | P | loc | | S | | 31/12 | |