Ultramarathons in Japan

95 races tracked — the season peaks in September (26 races), with October close behind (18).

By distance 46 50K · 28 50 mi · 20 100K · 1 100 mi
Biggest field Lake Saroma 100 Km Ultramarathon — 2,721 finishers in 2015
Steepest course Yacchiro Dragon Trail — 83.2 m/km
Deepest results history Ultramarathon Okumusashi Quintet — 10 recorded editions

Next starts in Japan

All 73 upcoming →
Fixed Distance50KMountain
GRIT 7.7

Kyoto Grand Traverse

Osaka City, JPN

59 km 3,180 m D+ Sep 18
Timed6 hours
GRIT —

Chitose Aoba 6 Hours Ultra Track

Chitose City, Hokkaido, JPN

Sep 19
Fixed Distance100K
GRIT 5

Tango 100 km Ultramarathon

Kyotango, Kyoto Pref., JPN

100 km Sep 20
Fixed Distance50K
GRIT 3

Tango 60 km Ultramarathon

Kumihamacho, Kyoto Pref., JPN

60 km Sep 20
Timed6 hours
GRIT —

6-hour relay & solo marathon Kobe

Kobe, Hyogo Pref., JPN

Sep 21
Timed6 hours
GRIT —

Shonan Int. Relay Marathon 6 hour Run

Hiratsuka, Kanagawa Pref., JPN

Sep 21
TimedOther timed
GRIT —

Shonan Int. Relay Marathon 4 hour Run

Hiratsuka, Kanagawa Pref., JPN

Sep 22
Fixed Distance100K
GRIT 5

Akita Nairiku 100km Marathon

Semboku, Akita Pref., JPN

100 km Sep 27
Fixed Distance100KRolling
GRIT 8.8

Muraoka 100 km Ultra Marathon

Muraoka, Hyogo Pref., JPN

100 km 2,550 m D+ Sep 27
Fixed Distance50 mi
GRIT 3.2

Muraoka 64 km Ultra Marathon

Muraoka, Hyogo Pref., JPN

64 km Sep 27
Fixed Distance50 miFast & Flat
GRIT 5.6

Muraoka 88 km Ultra Marathon

Muraoka, Hyogo Pref., JPN

88 km 800 m D+ Sep 27
Fixed Distance50KRolling
GRIT 5

Tsukuba Renjyo 50 Km Road & Trail Run

Ishioka, Ibaraki Pref., JPN

50 km 1,667 m D+ Sep 27