ROADRoad running
11th Asia Minor Catastrophe Memorial Race
Nea Kios, Argolida · Peloponnese
0.5km / 1km / 5.5km / 11km · 12 September 2026Event / source link foundTheRun · discovery snapshot↗
Endurance races in Peloponnese
Find upcoming road, trail, triathlon, cycling and swimming events in Peloponnese, Greece. Each listing shows its source and checked date.
Peloponnese
Data method →Upcoming races with a direct event source
ROADRoad running
Kolokotroneios Run
Tripoli · Peloponnese
10km · 13 September 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
1st International «Nikitaras» Half Marathon
Ano Doliana – Tripoli · Peloponnese
21.097 km · 19 September 2026Confirmed at sourceYiannis Kouros – Beyond Limits · official 2026 notice↗
ROADRoad running
1st International Double Marathon «Yiannis Kouros»
Tripoli · Peloponnese
84 · 20 September 2026Event / source link foundTheRun · discovery snapshot↗
TRAILTrail / Ultra
Kalamata Mountain Run
Kalamata · Peloponnese
9km / 25km · 20 September 2026Event / source link foundTheRun · discovery snapshot↗
TRIATHLONSprint triathlon
Tyros Sprint Triathlon 2026
Tyros · Peloponnese
0.75 km swim · 20 km bike · 5 km run · 20 September 2026Confirmed at sourceTyros Triathlon · official 2026 proclamation↗
ROADRoad running
Spartathlon 2026
Sparta · Peloponnese
246km · 26 September 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
15th Didaskaleia
Athikia, Corinthia · Peloponnese
1km / 10km · 27 September 2026Event / source link foundTheRun · discovery snapshot↗
SWIMRUNSwimRun
FROGMAN PRINCE 2026
Corinthia · Peloponnese
17 km published (13.7 km run + 2.3 km swim = 16 km) · Sprint · 27 September 2026Confirmed at sourceFROGMAN · official Prince 2026 event page↗
CYCLINGBREVET
Brevet “Limni Doxa
The Hard Way” – Xylokastro · Peloponnese
200 km · 4 October 2026Confirmed at sourceBrevets Greece · πρόγραμμα 2026↗
OPEN WATEROpen-water swimming
whynot Legacy Nafplio 2026 · Open Water 1,500 m
Nafplio · Peloponnese
1.5 km · 10 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
OPEN WATEROpen-water swimming
whynot Legacy Nafplio 2026 · Open Water 3,000 m
Nafplio · Peloponnese
3 km · 10 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
OPEN WATEROpen-water swimming · Ages 8–14
whynot Legacy Nafplio 2026 · Kids Open Water 300 m
Nafplio · Peloponnese
300 m · 10 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
TRAILTrail / Ultra
1st Vytina Forest Trail
Vytina, Arkadia · Peloponnese
6.5km / 23km · 11 October 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
3rd Sparta Half Marathon
Sparta · Peloponnese
5km / 21.1km · 11 October 2026Event / source link foundTheRun · discovery snapshot↗
TRIATHLONAquathlon · Adults
whynot Legacy Nafplio 2026 · Adults Aquathlon
Nafplio · Peloponnese
0.75 km swim · 5 km run · 11 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
TRIATHLONAquathlon · Ages 6–15
whynot Legacy Nafplio 2026 · Junior Aquathlon
Nafplio · Peloponnese
0.15 km swim · 1.5 km run · 11 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
TRIATHLONSprint triathlon · Individual
whynot Legacy Nafplio 2026 · Sprint Triathlon Individual
Nafplio · Peloponnese
0.75 km swim · 24 km bike · 5 km run · 11 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
TRIATHLONSprint triathlon · Team relay
whynot Legacy Nafplio 2026 · Sprint Triathlon Team Relay
Nafplio · Peloponnese
0.75 km swim · 24 km bike · 5 km run · 11 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
TRIATHLONOlympic triathlon · Individual
whynot Legacy Nafplio 2026 · Standard Triathlon Individual
Nafplio · Peloponnese
1.5 km swim · 37–38 km bike (source sections differ) · 10 km run · 11 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
TRIATHLONOlympic triathlon · Team relay
whynot Legacy Nafplio 2026 · Standard Triathlon Team Relay
Nafplio · Peloponnese
1.5 km swim · 37–38 km bike (source sections differ) · 10 km run · 11 October 2026Confirmed at sourcewhynot · official Nafplio 2026 proclamation↗
CYCLINGBREVET
Brevet “Oreini Argolida”
Nafplio · Peloponnese
200 km · 17 October 2026Confirmed at sourceBrevets Greece · πρόγραμμα 2026↗
TRAILTrail / Ultra
Navarino Challenge
Messinia · Peloponnese
21.1km / 10km / 5km · 17 October 2026Event / source link foundTheRun · discovery snapshot↗
ROADRoad running
2nd Thirea Run
Astros Kynourias, Arkadia · Peloponnese
0.3km / 0.6km / 1km / 5.1km / 15km · 18 October 2026Event / source link foundTheRun · discovery snapshot↗
Verification boundary
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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.