25 March 2023 | Nuuksio Winter Run
- Races (trail): 7.5 km | 15 km
- Location: Solvalla Sport Center (Nuuksiontie 82, Espoo)
- Website
- Results 2022
- Number of participants 2022: 49
- Contact: Mikael Heerman, mikaelheerman@gmail.com, +358 40 5689 915
14 April 2023 | Helsinki Night Trail
- Races (trail): 12 km
- Location: Helsinki city center (TBA)
- Website
- Results 2022
- Number of participants 2022: 150
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
22 April 2023 | BMW Helsinki10
- Races (road): 10 km
- Location: Helsinki city center (the start/finish location will be announced at Helsinki10 website)
- Website
- Results 2022
- Number of participants 2022: 750
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
5 May 2023 | Bodom Team
- Races (trail): 7 km | 10 km
- Location: Pirttimäki (Kunnarlantie 110, Espoo)
- Website
- Results 2022
- Number of participants 2022: 197
- Contact: bodomtrail@gmail.com
5 May 2023 | Bodom Night
- Races (trail, night): 10 km
- Location: Pirttimäki (Kunnarlantie 110, Espoo)
- Website
- Results 2022
- Number of participants 2022: 81
- Contact: bodomtrail@gmail.com
6 May 2023 | Bodom Trail
- Races (trail): 6 km (juniors & adults) | 12 km | 21 km
- Location: Pirttimäki (Kunnarlantie 110, Espoo)
- Website
- Results 2022
- Number of participants 2022: 710
- Contact: bodomtrail@gmail.com
13 May 2023 | Helsinki City Running Day
- Races (road): Marathon | Half Marathon | Marathon Relay | 5 km | Marathon + Half Marathon (Double) | Children’s Minimarathon
- Location: Helsinki Olympic Stadium
- Website
- Results 2022
- Number of participants 2022: 7523
- Contact: +358 44 335 0457 | maraton@sul.fi
13 May 2023 | SisuXtrail
- Races (trail): 6 km (trekking and G/B14) | 10 km | 20 km | 33 km | 48 km
- Location: Koulutie 16, Lapinjärvi
- Website
- Results 2022
- Number of participants 2022: 190
- Contact: Maria Vickholm, +358 40 8244 101 | sisuxtrail@gmail.com
20 May 2023 | Terwa Run & Marathon
- Races (road): Marathon | Half Marathon | 10 km | 4 km | Marathon Relay
- Location: Raatti Sports Centre (Raatintie 2, Oulu)
- Website
- Results 2022
- Number of participants 2022: 899
- Contact: +358 40 5676586 | maraton@onmky.fi
26-27 May 2023 | NUTS Karhunkierros
- Races (trail): 13 km | 34 km | 55 km | 83 km | 166 km
- Location: Hiihtostadionintie 3, Kuusamo
- Website
- Results 2022
- Number of participants 2022: 2519
- Contact: +358 40 6605 280 | info@nuts.fi
27 May 2023 | Naisten kymppi
- Races (road, women’s fun run): 10 km | Mile
- Location: Töölönlahti Park
- Website
- Number of participants 2022: 4500
- Contact: Miia Laaksonen, +358 50 467 3992 | naistenkymppi@sul.fi
10 June 2023 | BMW Helsinki Half Marathon
- Races (road): 21.1 km
- Location: Töölönlahti Park, Kansalaistori
- Website
- Results 2022
- Number of participants 2022: 2150
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
16 June 2023 | Helsinki Central Park Run
- Races (road): 5 km | 10 km
- Location: Paloheinän ulkoilumaja
- Website
- Results 2022
- Number of participants 2022: 300
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
17 June 2023 | Helsinki Trail Run
- Races (trail): 10 km
- Location: Paloheinän ulkoilumaja
- Website
- Results 2022
- Number of participants 2022: 250
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
17 June 2023 | Forssa Summer Night Running
- Races (road): Marathon | Half Marathon | 10 km | 5 km | Marathon Relay
- Location: Urheilukentänkatu, Forssa
- Website
- Results 2022
- Number of participants 2022: 1600
- Contact: info@suvi-ilta.fi, +358 50 465 7414
17-18 June 2023 | Porvoo-Borgå Jukola 2023
- Races (orienteering relay): Venla Relay for women (four legs) | Jukola Relay for men, women and mixed teams (seven legs)
- Location: Epoo, Porvoo
- Website
- Results 2022: Venla Relay | Jukola Relay
- Number of participants 2022: 16750
- Contact: Heidi Liljeström, toimisto.2023@jukola.com, +358 50 3637 488
26 June – 1 July 2023 | Fin5 Orienteering Week
- Races (orienteering): Five races | Age groups H/D8-95 | Open classes as well
- Location: All competitions will be held about 10 kilometers from Tampere center
- Website
- Results 2022
- Number of participants 2022: 1894
- Contact: Antti Rantala, antti.rantala@kangasalask.fi, +358 41 4343 394
30 June 2023 | Nuuksio Backyard Ultra
- Races (trail, ”last man standing” concept): 6.7 km loop
- Location: Solvalla Sport Center (Nuuksiontie 82, Espoo)
- Website
- Results 2022
- Number of participants 2022: 69
- Contact: Mikael Heerman, mikaelheerman@gmail.com, +358 40 5689 915
1 July 2023 | Kainuu Trail
- Races (trail): Julma-Ölkky 78 km | Värikallio 55 km | Kokalmus 38 km | Jatkonvaara 21 km | Huosius 10 km (this is also for young runners, aged 12-17 years)
- Location: Jatkonsalmentie 6, Suomussalmi
- Website
- Results 2022
- Number of participants 2022: 226
- Contact: Jukka Liuha, jukka.liuha@rastiviikko.fi, +358 4476 79533
2-7 July 2023 | 55th Kainuu Orienteering Week
- Races (orienteering): Four races | Age groups H/D8-85 | Open series as well
- Location: Jämäsjärventie 1024, Kuhmo
- Website
- Results 2022
- Number of participants 2022: 2612
- Contact: Jukka Liuha, jukka.liuha@rastiviikko.fi, +358 4476 79533
3-8 July 2023 | NUTS Distance 300
- Races (trail): 300 km
- Location: Sannanrannantie 3, Kolari
- Website
- Results 2022
- Number of participants 2022: 20
- Contact: +358 40 6605 280 | info@nuts.fi
7-8 July 2023 | NUTS Ylläs Pallas
- Races (trail): 15 km | 37 km | 66 km | 100 km | 160 km
- Location: Sannanrannantie 3, Kolari
- Website
- Results 2022
- Number of participants 2022: 1474
- Contact: +358 40 6605 280 | info@nuts.fi
29 July 2023 | Helsinki Twilight Run & Walk
- Races (road/gravel): 5 km | 10 km | 21.1 km
- Location: Hietaranta Beach, Helsinki
- Website
- Results 2022
- Number of participants 2022: 400
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
12 August 2023 | NUTS Pyhä
- Races (trail): 10 km | 21 km | 43 km
- Location: Luontotie 6, Pyhätunturi
- Website
- Results 2022
- Number of participants 2022: 602
- Contact: +358 40 6605 280 | info@nuts.fi
18-19 August 2023 | Paavo Nurmi Marathon
- Races (road): Marathon | Half Marathon | 10 km | Children’s Minimarathon
- Location: Turku City Theatre
- Website
- Results 2022
- Number of participants 2022: 2200
- Contact: +358 44 5678 256, info@paavonurmisports.fi
19 August 2023 | BMW Helsinki Marathon
- Races (road): Marathon | Half Marathon | 10 km | Marathon Relay (4×10.55km)
- Location: Ehrenströmintie, Helsinki
- Website
- Results 2022
- Number of participants 2022: 2400
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
2 September 2023 | Nuuksio Classic Trail Marathon
- Races (trail): 42 km | 70 km | Mini Marathon (5,7 km) for children 6-16 years old
- Location: Hotelli Nuuksio, Naruportintie, Espoo
- Website
- Results 2022
- Number of participants 2022: 481
- Contact: nuuksioclassic@gmail.com
16 September 2023 | Espoo Rantamaraton
- Races (road): Marathon | Half Marathon | 10 km | 5 km | Kids Run
- Location: Otahalli, Espoo
- Website
- Results 2022
- Number of participants 2022: 2509
- Contact: Harri Lammi, info@rantamaraton.fi
16 September 2023 | 93rd Kaisaniemen Juoksu
- Races (road): 5 km | 21,1 km
- Location: Kaisaniemi Park, Helsinki
- Website
- Results 2022
- Number of participants 2022: 187
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
29 September 2023 | Nuuksio Night Trail
- Races (trail): 13 km
- Location: Luukin ulkoilumaja
- Website
- Results 2022
- Number of participants 2022: 235
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267
7 October 2023 | Tampere Juoksee
- Races (road): Half Marathon | 10 km | Children’s Minimarathon
- Location: Tampere Stadion
- Website
- Results 2022
- Number of participants 2022: 800
- Contact: +358 44 5678 256, info@paavonurmisports.fi
14 October 2023 | Nummela Backyard Ultra
- Races (gravel, trail): Backyard ultra, 6.7km loop, ”last man/woman standing”
- Location: Hiidenvedentie 4, Nummela
- Website
- Results 2022
- Number of participants 2022: 14 (Big Dog’s BackYard Ultra Team Championships, ie. limited amount of runners)
- Contact: info@nummelabackyardultra.com
28 October 2023 | Helsinki Halloween Run
- Races (road): 5 km | 10 km | Kids Run
- Location: Arcada, Helsinki
- Website
- Results 2022
- Number of participants 2022: 244
- Contact: Tapani Virtanen, tapani@runhigh.fi, +358505740267