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Endurance races calendar 2025 - 2026: ultramarathons in Japan

"ROCKIN' BEAR" Myoko Trail Running Race

Myoko, Japan
14 Jun, 2025 (Sat)
Trail running
48 km +2 more

Kaga Spa Trail Endurance 100 by UTMB

Yamanaka Onsen, Japan
21 Jun, 2025 (Sat)
Trail running
58 km, 105 km +1 more

Mihara Lake Shiraryu Trail Run Race

Mihara, Japan
22 Jun, 2025 (Sun)
Trail running
44 km +1 more

DEEP JAPAN ULTRA 100

Niigata, Japan
27 Jun, 2025 (Fri)
Trail running
80 km, 160 km

Recommended for you

Lake Saroma 50/100k Ultramarathon

Yubetsu, Japan
29 Jun, 2025 (Sun)
Running
50 km, 100 km
Lake Saroma 50/100k Ultramarathon

SHIGA KOGEN 100

Yamanochi, Japan
04 Jul, 2025 (Fri)
Trail running
100 km

Central Alps Skyline Japan

Nagano, Japan
05 Jul, 2025 (Sat)
Trail running
90 km +4 more

Minamiaso Caldera Trail

Minamiaso, Japan
05 Jul, 2025 (Sat)
Trail running
50 km +3 more

Boso Peninsula 300km Tour (房総半島1周300K)

Chiba, Japan
19 Jul, 2025 (Sat)
Trail running
210 km, 300 km

Overnight 60km Michikusa Ultramarathon

Kanagawa, Japan
19 Jul, 2025 (Sat)
Running
60 km

This week’s best deals

Image of Halong Bay Heritage Marathon
Up to 65% off
4.4

Halong Bay Heritage Marathon

Thành phố Hạ Long, Vietnam
23 Nov, 2025 (Sun)
Running
From 16 USD38 USD
Image of Can Tho Heritage Marathon
Up to 65% off
4.5

Can Tho Heritage Marathon

Vietnam, Vietnam
21 Dec, 2025 (Sun)
Running
From 16 USD40 USD
Image of Ultra Maratona Atlântica
Up to 60% off
5

Ultra Maratona Atlântica

Melides, Portugal
27 Jul, 2025 (Sun)
Trail running
From 11 USD28 USD
Image of Maga Circe Marathon
Up to 55% off
5
Map

Maga Circe Marathon

San Felice Circeo, Italy
01 Feb, 2026 (Sun)
Running, Walking
From 14 USD17 USD
Image of Timisoara 21K
Up to 54% off
5
Map

Timisoara 21K

Timișoara, Romania
08 Mar, 2026 (Sun)
Running
From 18 USD39 USD
Image of Narva Energy Run
Up to 50% off

Narva Energy Run

Narva, Estonia
28-29 Jun, 2025 (Sat - Sun)
Running
From 6 USD11 USD
Image of Trakai Triathlon
Up to 50% off

Trakai Triathlon

Trakai, Lithuania
29 Jun, 2025 (Sun)
Triathlon
From 28 USD55 USD
Image of Hyundai Porto Half Marathon
Up to 50% off
4.6

Hyundai Porto Half Marathon

Porto, Portugal
14 Sep, 2025 (Sun)
Running
From 11 USD17 USD
Image of Ostrava City Marathon
Up to 50% off
1

Ostrava City Marathon

Ostrava, Czech Republic
14 Sep, 2025 (Sun)
Running
From 7 USD11 USD
Image of Pula Marathon
Up to 50% off
5
Map

Pula Marathon

Pula, Croatia
20 Sep, 2025 (Sat)
Nordic walking, Running
From 11 USD22 USD
Image of Sierra Blanca Estates Marbella Half Marathon
Up to 50% off
5
Map

Sierra Blanca Estates Marbella Half Marathon

Marbella, Spain
28 Sep, 2025 (Sun)
Running
From 17 USD
Image of Pisa Half Marathon
Up to 50% off

Pisa Half Marathon

Pisa, Italy
12 Oct, 2025 (Sun)
Running
From 11 USD22 USD
Image of Garda Trentino Half Marathon
Up to 50% off
4.8

Garda Trentino Half Marathon

Riva del Garda, Italy
09 Nov, 2025 (Sun)
Running
From 14 USD
Image of Palermo Marathon and Half Marathon
Up to 50% off
4.5

Palermo Marathon and Half Marathon

Palermo, Italy
16 Nov, 2025 (Sun)
Running
From 22 USD44 USD
Image of Sarajevo Half Marathon
Up to 49% off
4.3

Sarajevo Half Marathon

Sarajevo, Bosnia and Herzegovina
21 Sep, 2025 (Sun)
Running
From 29 USD57 USD
Image of XI Stellantis&you port de palma triathlon mallorca
Up to 47% off
5

XI Stellantis&you port de palma triathlon mallorca

Palma, Spain
21 Sep, 2025 (Sun)
Triathlon
From 25 USD46 USD
Image of Murcia Marathon
Up to 45% off
4.6

Murcia Marathon

Murcia, Spain
01 Feb, 2026 (Sun)
Running
From 16 USD26 USD
Image of Mekong Delta Marathon Hau Giang
Up to 44% off

Mekong Delta Marathon Hau Giang

Vi Thanh, Vietnam
06 Jul, 2025 (Sun)
Running
From 22 USD39 USD
Image of Sunshine Coast Marathon Festival
Up to 43% off
4.5

Sunshine Coast Marathon Festival

Mooloolaba, Australia
03 Aug, 2025 (Sun)
Running, Walking
From 23 USD33 USD
Image of Västerås Swimrun
Up to 42% off

Västerås Swimrun

Jollekappseglarna Västerås, Sweden
16 Aug, 2025 (Sat)
Swimrun
From 120 USD174 USD

Registration just opened

Image of Marmaris Ultra

Marmaris Ultra

Marmaris, Turkey
15-16 Nov, 2025 (Sat - Sun)
Trail running
From 44 USD
Image of Run For Pompey - Exuma Half Marathon

Run For Pompey - Exuma Half Marathon

Exuma, Bahamas
15 Nov, 2025 (Sat)
Running
From 25 USD
Image of Timisoara 21K
Up to 54% off
5
Map

Timisoara 21K

Timișoara, Romania
08 Mar, 2026 (Sun)
Running
From 18 USD39 USD
Image of Formentera to Run

Formentera to Run

El Pilar de la Mola, Spain
01 Jun, 2025 (Sun)
Running
From 329 USD
Image of Run Snetterton 10K and 5K

Run Snetterton 10K and 5K

Snetterton, United Kingdom
30 Jul, 2025 (Wed)
Running
From 25 USD
Image of Scenic Half Marathon Krabi
Up to 21% off

Scenic Half Marathon Krabi

Ao Nang, Thailand
06-07 Sep, 2025 (Sat - Sun)
Running
From 17 USD20 USD
Image of X-WATERS Thailand

X-WATERS Thailand

Karon Beach, Thailand
16 Feb, 2026 (Mon)
Swimming
From 21 USD
Image of Watersons Hale 10K & Ashley Hall 3K

Watersons Hale 10K & Ashley Hall 3K

Ashley, United Kingdom
15 Feb, 2026 (Sun)
Running
From 16 USD
Image of The Winter GMU

The Winter GMU

Bristol, United Kingdom
07 Mar, 2026 (Sat)
Running
From 104 USD
Image of Maga Circe Marathon
Up to 55% off
5
Map

Maga Circe Marathon

San Felice Circeo, Italy
01 Feb, 2026 (Sun)
Running, Walking
From 14 USD17 USD
Image of Corrida Porto de Leixões
Up to 30% off
4

Corrida Porto de Leixões

Matosinhos, Portugal
21 Sep, 2025 (Sun)
Running
From 8 USD11 USD
Image of Kapong Trail PhangNga The Grand Canyon
Up to 19% off

Kapong Trail PhangNga The Grand Canyon

Kapong, Thailand
07-08 Jun, 2025 (Sat - Sun)
Trail running
From 30 USD36 USD
Image of Grampians Peaks Trail 100 Miler
Map

Grampians Peaks Trail 100 Miler

Laharum, Australia
06-07 Nov, 2025 (Thu - Fri)
Trail running
From 207 USD
Image of Marathon San Jose Costa Rica

Marathon San Jose Costa Rica

San José, Costa Rica
07 Dec, 2025 (Sun)
Running
From 30 USD
Image of Napoli City Half Marathon
4

Napoli City Half Marathon

Naples, Italy
22 Feb, 2026 (Sun)
Running
From 44 USD
Image of Silverstone Run Fest
Up to 18% off
1

Silverstone Run Fest

Silverstone Circuit, Towcester, UK, United Kingdom
23 Nov, 2025 (Sun)
Running
From 23 USD
Image of Malmö Marathon

Malmö Marathon

Malmö, Sweden
12 Oct, 2025 (Sun)
Running
From 78 USD
Image of Strait Link Burnie 10

Strait Link Burnie 10

Burnie, Australia
26 Oct, 2025 (Sun)
Running
From 7 USD
Image of Chiang Dao 100
Up to 18% off
Map

Chiang Dao 100

Mae Na, Thailand
20-21 Dec, 2025 (Sat - Sun)
Trail running
From 30 USD36 USD
Image of Novo Mesto Half Marathon
Up to 40% off
5

Novo Mesto Half Marathon

Novo mesto, Slovenia
05 Oct, 2025 (Sun)
Running
From 28 USD46 USD

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