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Dieter Van Holder

My happiest days are often an outdoor adventure shared with like-minded people! My name is Dieter, I'm an International Mountain Leader, ok'ish teacher, mediocre photographer, I rides bikes at moderate speeds and my passport says I'm Belgian. But what is a Belgian anyway?

My inspiration and what drives me in the words of someone else:

"There’s this big word ‘flow’ that you’re always talking about. Not necessarily a trail with like… linked up turns, natural tables, and that sort of thing. But also, on a bigger scale, how does the day fit together? How do you make that happen? And on a bigger scale, how do you make a week of days hang together properly? I consider my role to be somebody who finds great trails, and puts them together in a manner that is presentable. Yes, you're looking for awesome trails, but you're also looking — on a bigger scale — for corridors of flow, through this network of nodes and edges. Through this network which we’ve been blessed with from the agricultural past and trading past. It’s all there; we just need to find the best ways through it.”
– Ash Smith.

Dieter Van Holder
UIMLA International Mountain Leader
UIAA Instructor Mountain Walking & Trekking
UIAA Instructor Winter Mountain Walking & Snowshoeing
AIMG Jökla II - AIMG Fjalla I
www.youtube.com/channel/UCyxPY9ym_UW7QZvw977P5KA

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Timeline

planned a mountain bike ride

October 27, 2025

GTV D1

Time

10h00m

Distance

69.0km

Speed

6.9km/h

Ascent

2,410m

Descent

2,850m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

October 16, 2025

Malmedy 1

Time

5h47m

Distance

61.4km

Speed

10.6km/h

Ascent

1,170m

Descent

1,170m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

September 23, 2025

GTV D4

Time

6h17m

Distance

64.8km

Speed

10.3km/h

Ascent

1,450m

Descent

2,000m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

September 23, 2025

GTV D3

Time

5h17m

Distance

46.3km

Speed

8.8km/h

Ascent

1,450m

Descent

1,420m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

September 23, 2025

GTV D2

Time

5h43m

Distance

48.4km

Speed

8.5km/h

Ascent

1,280m

Descent

1,820m
map_image
Map data © OpenStreetMap contributors

and planned a mountain bike ride

September 11, 2025

Social Ride 12/9/2025

Time

2h41m

Distance

43.8km

Speed

16.3km/h

Ascent

160m

Descent

170m
map_image
Map data © OpenStreetMap contributors

planned a road ride

September 3, 2025

BRM Kain

Time

13h28m

Distance

300km

Speed

22.3km/h

Ascent

960m

Descent

960m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

August 31, 2025

Rondje Ronse XC

Time

3h49m

Distance

51.6km

Speed

13.5km/h

Ascent

590m

Descent

590m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

August 28, 2025

De 60 ish

Time

4h02m

Distance

61.2km

Speed

15.2km/h

Ascent

350m

Descent

340m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

August 23, 2025

MTB-46-REV-G

Time

2h49m

Distance

46.3km

Speed

16.5km/h

Ascent

200m

Descent

200m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

August 23, 2025

MTB-86-REV-G

Time

5h40m

Distance

88.1km

Speed

15.5km/h

Ascent

470m

Descent

470m
map_image
Map data © OpenStreetMap contributors

planned a hike

August 18, 2025

7 Lakes

Time

7h37m

Distance

15.5km

Speed

2.0km/h

Ascent

1,220m

Descent

1,220m
map_image
Map data © OpenStreetMap contributors

planned a hike

August 18, 2025

Belledonne D2

Time

4h50m

Distance

11.5km

Speed

2.4km/h

Ascent

190m

Descent

1,350m
map_image
Map data © OpenStreetMap contributors

planned a hike

August 18, 2025

Belledonne D1

Time

4h26m

Distance

8.39km

Speed

1.9km/h

Ascent

1,210m

Descent

50m
map_image
Map data © OpenStreetMap contributors

planned a mountain bike ride

August 16, 2025

Le Grand Rocher

Time

4h18m

Distance

34.5km

Speed

8.0km/h

Ascent

1,580m

Descent

1,580m
map_image
Map data © OpenStreetMap contributors
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