Frank Seiler

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Frank Seiler went for a hike

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Frank Seiler

Everything You Need To Get Outside

Ready-Made Inspiration

Browse personalized adventures tailored to your favorite sport

A Better Planning Tool

Build your perfect outdoor experience using the world’s best outdoor tech

More Intuitive Navigation

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A Log of Every Adventure

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May 16, 2026

Mammutmarsch Berlin 100 Km 2026 neu

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Time

25h00m

Distance

100km

Speed

4.5km/h

Ascent

690m

Descent

690m

Map data © OpenStreetMap contributors

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Bernd and Richter like this.

6 days ago

Congratulations, Frank.

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Everything You Need To Get Outside

Ready-Made Inspiration

Browse personalized adventures tailored to your favorite sport

A Better Planning Tool

Build your perfect outdoor experience using the world’s best outdoor tech

More Intuitive Navigation

Turn-by-turn navigation and offline maps keep your adventure on track

A Log of Every Adventure

Save every adventure and share your experiences with your friends

Frank Seiler went for a hike

Participants

Frank Seiler

Everything You Need To Get Outside

Ready-Made Inspiration

Browse personalized adventures tailored to your favorite sport

A Better Planning Tool

Build your perfect outdoor experience using the world’s best outdoor tech

More Intuitive Navigation

Turn-by-turn navigation and offline maps keep your adventure on track

A Log of Every Adventure

Save every adventure and share your experiences with your friends

Done

May 8, 2026

Neuseenland XXL 2026

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Time

27h01m

Distance

101km

Speed

4.6km/h

Ascent

580m

Descent

570m

Map data © OpenStreetMap contributors

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Hella, Janet 🚂🍀, and others like this.

May 10, 2026

Congratulations

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Everything You Need To Get Outside

Ready-Made Inspiration

Browse personalized adventures tailored to your favorite sport

A Better Planning Tool

Build your perfect outdoor experience using the world’s best outdoor tech

More Intuitive Navigation

Turn-by-turn navigation and offline maps keep your adventure on track

A Log of Every Adventure

Save every adventure and share your experiences with your friends

Frank Seiler went for a hike

Participants

Frank Seiler

Everything You Need To Get Outside

Ready-Made Inspiration

Browse personalized adventures tailored to your favorite sport

A Better Planning Tool

Build your perfect outdoor experience using the world’s best outdoor tech

More Intuitive Navigation

Turn-by-turn navigation and offline maps keep your adventure on track

A Log of Every Adventure

Save every adventure and share your experiences with your friends

Done

May 1, 2026

ULTRA WALK'26 50 KM

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Time

11h10m

Distance

50.6km

Speed

4.9km/h

Ascent

270m

Descent

270m

Map data © OpenStreetMap contributors

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Bernd and Janet 🚂🍀 like this.

Frank Seiler went for a hike

Participants

Frank Seiler

Everything You Need To Get Outside

Ready-Made Inspiration

Browse personalized adventures tailored to your favorite sport

A Better Planning Tool

Build your perfect outdoor experience using the world’s best outdoor tech

More Intuitive Navigation

Turn-by-turn navigation and offline maps keep your adventure on track

A Log of Every Adventure

Save every adventure and share your experiences with your friends

Done

November 1, 2025

Mammutmarsch Berlin 55KM 2025

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Time

14h26m

Distance

55.6km

Speed

4.5km/h

Ascent

420m

Descent

420m

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Janet 🚂🍀, Bernd and Ralfvolker like this.

Frank Seiler went on an adventure

Participants

Frank Seiler

Everything You Need To Get Outside

Ready-Made Inspiration

Browse personalized adventures tailored to your favorite sport

A Better Planning Tool

Build your perfect outdoor experience using the world’s best outdoor tech

More Intuitive Navigation

Turn-by-turn navigation and offline maps keep your adventure on track

A Log of Every Adventure

Save every adventure and share your experiences with your friends

Done

October 11, 2025

2025_Hamburg_110km

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Time

10h28m

Distance

37.8km

Speed

4.1km/h

Ascent

180m

Descent

180m

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Done

Zombie, Dietmar Stolp, and others like this.