Welcome! Triatlonvereniging (= Triathlonclub) De Dolfijn Amsterdam was founded in 1984 and currently has over 180 members, ranging from rookies to top class triathletes. De Dolfijn combines friendly companionship with performance. Dutch? Click here!

Training sessions are hosted by several swim coaches, a cycling coach and a running coach. Swim sessions are held at the Sloterparkbad pool, throughout the year. Cycling is split up in summer, outdoor, and winter, indoor plans. Run sessions are held at the track of AAC.

For training updates check the Dutch training page: dolfijntriathlon.nl/trainingen


Sloterparkbad (indoor swimming):
President Allendelaan 3
1064 GW Amsterdam
Website: Sloterparkbad

Dressing rooms ladies: 9 & 10
Dressing rooms: men: 12 & 13 

Optisport Bijlmer Sportcentrum (indoor swimming)
Anton de Komplein 157
1102 DR  Amsterdam Zuidoost
Website: Bijlmerbad


Would you like to become a faster/ better cyclist? Be there for our Dolfijn cycling training on Tuesday evenings at
19.00 hrs at the Sloterparkbad (only in Summer season). Currently it is not possible to join our cycling training sessions.

During our winter season it’s possible to train at WattCycling.


Location: Atletiekvereniging AAC, Willinklaan 7 Amsterdam

Wednesday, 19.15 – 20.30, Trainer: Paul Bierman, Daniëlle Blomsma, Pieter Iedema

The run training is organised at the track of athletics club AAC. Prior to the session you need to do your own warming up on the track as from 19.00hrs. The first part of the training session consists of several jump, stretch and technique drills. After this the main session starts. Everybody can participate at their own level.

Become a member

Our season starts as of August 1st and runs to July 31st. For our current season 2018/2019, the contribution is set at € 385,- excluding a membership of the National Triathlete Union (NTB), Basic or an Athlete license and a registration fee of € 15,-. More information on licenses can be found, in Dutch, on the NTB website.

You can become a member at any time during the season! Please join a free two-week trial period first.