Define “best”. Every runner has his own preferences when it comes to where they go for a run. So here an overview for every category runner.

1) Look at me, I am running!

The famous Vondelpark thats where you can go for a run (4Km) for almost 24/7. Streetlights illuminate the path.
You will find public water taps (GPS 52.3616, 4.88182) and public toilets in the park.
https://www.strava.com/routes/6799089

2) Don’t get thirsty on a hot day

A 6Km loop around the lake Sloterplas. 3 water points per loop. At the end of the run you can jump in the lake to cool down.
https://www.strava.com/routes/6799107

3) Long run (15Km) without getting lost

Follow the river Amstel and run unitl you reach Ouderkerk aan de Amstel.
You will see two wind mills and a Rembrandt statue.
https://www.strava.com/routes/6799062

4) Windmills run in Amsterdam New-West

On this 8Km running route you will see 2 windmills.
https://www.strava.com/routes/6799138

5) Westerpark run

A popular park to go for a run. At the far end you will see the old village of Sloterdijk.
The run is between 5Km and 6Km https://www.strava.com/routes/6799189

6) Sightseeing run

Or join us for a sightseeing run.
https://www.strava.com/routes/5705174