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2026 · 19 countries
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May 10 — May 16
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This week
5
SUN
10
MAY
Other
·
6km
Formoza Challenge Kalisz Formoza Ultra Challenge
Kalisz
, PL
SUN
10
MAY
Other
·
5km
Plywanie Puchar Polski w Plywaniu Dlugodystansowym Gliwice
Gliwice
, PL
FRI
15
MAY
Other
·
Sprint
·
0km
·
1km
·
2km
IV Aquathlon Gniezno
Gniezno
, PL
SAT
16
MAY
Other
·
Sprint
·
0km
·
1km
·
2km
Aquathlon Gniezno
Gniezno
, PL
SAT
16
MAY
Other
·
Triathlon
·
3km
·
23km
Silesiaman Triathlon Pszczyna 2025
Pszczyna
, PL
Obstacle course
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Formoza Challenge Kalisz Formoza Ultra Challenge
Sunday, May 10, 2026 ·
Kalisz
,
Poland
Distances
6km
Start location
Kalisz
62-800, Polska
Kalisz, Wielkopolskie
8,285 km from home
Driving directions
About this race
The Formoza Ultra Challenge tests endurance. Runners commit to pushing their limits.
