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34,045EventsUnited States2026
JUN 2026
15SUN
14
JUN
Triathlon Terheijden
Terheijden, NL
SUN
14
JUN
Triathlon Noordwijkerhout
Van Noordwijkerhout, NL
SUN
14
JUN
Triathlon des Sharks
Barrage du Ry de Rome, BE
SUN
14
JUN
Tri Bütgenbach
Butgenbach, BE
SUN
14
JUN
Feanster 40 triathlon
Surhuisterveen, NL
MON
15
JUN
Xaltante - Villenueve d'Ascq
Villenueve d'Ascq, FR
THU
18
JUN
Triathlon Schagen
Schagen, NL
SAT
20
JUN
Team Triathlon eXperience TTX
Gileppe, NL
SAT
20
JUN
Maasdijk Triathlon
Oss, NL
SAT
20
JUN
SomerRun Obstacle Course
Someren, NL
SAT
20
JUN
4 & 10 Mijl van Sneek
Sneek, NL
SAT
20
JUN
Mar-athon Sneek
Sneek, NL
SAT
20
JUN
Triathlon des Moines
Fourmies, FR
SAT
20
JUN
Tri Rotterdam
Zevenhuizen, NL
SAT
20
JUN
CHTITRAIL - Lens
Lens, FR
Triathlon Terheijden
Sunday, June 14, 2026 · Terheijden, Netherlands
Distances
0.5km
5K
20km
Start location
About this race
The Inofec Triathlon Terheijden, in its 42nd edition, is one of the Netherlands' oldest triathlons, dating back to 1983.