ROADRoad ultra / community run
Unity Race 2
Andritsaina – Archaia Olympia, Ileia · Western Greece
6 / 48 km · 6 September 2026Event / source link foundRunntrail · event-specific 2026 organizer notice↗
Endurance races in Western Greece
Find upcoming road, trail, triathlon, cycling and swimming events in Western Greece, Greece. Each listing shows its source and checked date.
Western Greece
Data method →Upcoming races with a direct event source
ROADRoad running
Acheloos Run 2026
Neochori Mesologgiou · Western Greece
5 / 10 / 21.1 km · 12 September 2026 – 13 September 2026Event / source link foundRunner Magazine · event-specific 2026 organizer notice↗
OPEN WATEROpen-water swimming
whynot Legacy Katakolo 2026 · Open Water 1,500 m
Katakolo · Western Greece
1.5 km · 12 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
OPEN WATEROpen-water swimming
whynot Legacy Katakolo 2026 · Open Water 3,000 m
Katakolo · Western Greece
3 km · 12 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
OPEN WATEROpen-water swimming · Ages 8–14
whynot Legacy Katakolo 2026 · Kids Open Water 300 m
Katakolo · Western Greece
300 m · 12 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
ROADRoad running
Patras Coastal Run
Vrachneika, Patra · Western Greece
5km / 10km · 13 September 2026Event / source link foundTheRun · discovery snapshot↗
TRIATHLONAquathlon · Adults
whynot Legacy Katakolo 2026 · Adults Aquathlon
Katakolo · Western Greece
0.75 km swim · 5 km run · 13 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
TRIATHLONAquathlon · Ages 6–15
whynot Legacy Katakolo 2026 · Junior Aquathlon
Katakolo · Western Greece
0.15 km swim · 1 km run · 13 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
TRIATHLONSprint triathlon · Individual
whynot Legacy Katakolo 2026 · Sprint Triathlon Individual
Katakolo · Western Greece
0.75 km swim · 20 km bike · 5 km run · 13 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
TRIATHLONSprint triathlon · Team relay
whynot Legacy Katakolo 2026 · Sprint Triathlon Team Relay
Katakolo · Western Greece
0.75 km swim · 20 km bike · 5 km run · 13 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
TRIATHLONOlympic triathlon · Individual
whynot Legacy Katakolo 2026 · Standard Triathlon Individual
Katakolo · Western Greece
1.5 km swim · 40 km bike · 10 km run · 13 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
TRIATHLONOlympic triathlon · Team relay
whynot Legacy Katakolo 2026 · Standard Triathlon Team Relay
Katakolo · Western Greece
1.5 km swim · 40 km bike · 10 km run · 13 September 2026Confirmed at sourcewhynot · official Katakolo 2026 proclamation↗
TRAILTrail / Ultra
4th Mountain Half Marathon The Road of Hope
Makistos, Ileia · Western Greece
1km / 10km / 21km · 20 September 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
Aitolikо Lagoon Circuit
Aitoliko · Western Greece
10 / 4 · 26 September 2026Event / source link foundTheRun · discovery snapshot↗
TRAILTrail / Ultra
8th DIVRIS Hard Trail Race
Lampeia (Divri), Ileia · Western Greece
1.4km / 9.3km / 16.8km / 32km · 27 September 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
The Atherina Run of Lake Trichonida
Loutra Myrtias, Aitoloakarnania · Western Greece
1km / 8km · 4 October 2026Event / source link foundTheRun · discovery snapshot↗
TRAILTrail / Ultra
Iraklios Athlos
Erymanthos · Western Greece
9km / 21km · 4 October 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
Neapoli Agriniou Road Race
Neapoli Agriniou · Western Greece
4km / 9.7km · 4 October 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
Patras Night Half Marathon
Patra · Western Greece
5km / 21.1km · 10 October 2026Event / source link foundTheRun · discovery snapshot↗
TRAILTrail / Ultra
1st Chestnut Trail
Ano Kerasovo, Aitoloakarnania · Western Greece
1km / 8km · 17 October 2026Event / source link foundTheRun · discovery snapshot↗
TRAILTrail / Ultra
2nd Styx Race
Chionodromiko Kentro Kalavryton, Chelmos · Western Greece
0.5km / 3km / 10km / 30km · 17 October 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
5th Run Pyrgos – Katakolo
Pyrgos – Katakolo, Ileia · Western Greece
5km / 13km · 25 October 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
1st Nafpaktos Half Marathon «Ahepa Run»
Navpaktos · Western Greece
21 / 5 · 22 November 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
Olympia Marathon
Archaia Olympia · Western Greece
1 / 3 / 10 / 21 / 42.195 km · 28 November 2026 – 29 November 2026Confirmed at sourceOlympia Marathon · official 2026 registration page↗
Verification boundary
Discover here. Confirm with the organiser.
Counts include upcoming listings with a direct event or authoritative source. Registration, routes, prices and last-minute changes must still be checked at that linked source.