Ultramarathons in Sweden

176 races tracked — the season peaks in August (38 races), with May close behind (32).

By distance 110 50K · 21 50 mi · 16 100K · 13 Marathon
Biggest field Ultravasan90 — 1,522 finishers in 2025
Steepest course The Alpaca Race 53 km — 59.6 m/km
Deepest results history Tyresö Extreme Challenge (TEC) - 100 miles — 10 recorded editions

Next starts in Sweden

All 39 upcoming →
Fixed Distance100 mi
GRIT 8.6

Sörmlands 100 - 100mi

Gripholms slott, Mariefred, SWE

171 km Sep 11
BackyardBackyard
GRIT —

Bocksten Vineyard Backyard Ultra

Tvååker, SWE

Sep 12
BackyardBackyard
GRIT —

Falsterbo Backyard Ultra Summer

Falsterbo, SWE

Sep 12
Fixed Distance100K
GRIT 5

Lejonbragden 100km

Lund, SWE

100 km Sep 12
Fixed Distance50K
GRIT 2.5

Lejonbragden 50km

Lund, SWE

50 km Sep 12
Fixed Distance
GRIT —

Lingheds Bakgårds Ultra

Bandyplan, Linghed, SWE

109 m D+ Sep 12
BackyardBackyard
GRIT —

Nybro Backyard 12h

Svartbäcksmåla, Nybro, SWE

Sep 12
Fixed Distance100K
GRIT 5

Sörmlands 100 - 100km

Öster Malma, Nyköping, SWE

100 km Sep 12
Fixed Distance50K
GRIT 2.5

Sörmlands 100 - 50km

Nyköping, SWE

50 km Sep 12
Fixed Distance100 mi
GRIT 8.1

Black River Run 100 Miles

Västerås, SWE

161 km Sep 19
Fixed Distance50K
GRIT 2.4

Black River Run 30 Miles

Västerås, SWE

48 km Sep 19
Fixed Distance50 mi
GRIT 4

Black River Run 50 Miles

Västerås, SWE

80 km Sep 19