Justin Rettka

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

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

December 11, 2025

Kleine Wanderung durch den Fanal Wald

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00:48

2.49km

3.1km/h

90m

70m

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

timLnr and Justin Rettka went for a hike.

Participants

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

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

August 21, 2025

Kleiner Aufstieg zum Hatlesetnipa

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02:04

6.35km

3.1km/h

510m

490m

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

Sylvio, Tetiana and Silke like this.

timLnr and Justin Rettka went for a bike ride.

Participants

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

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

August 12, 2021

Kleiner Ausflug nach Gelsenkirchen

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01:33

33.1km

21.3km/h

100m

110m

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

Silke likes this.

timLnr and Justin Rettka went for a bike ride.

Participants

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

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

August 11, 2021

Kleine Abendrunde am Kanal

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00:58

20.5km

21.1km/h

50m

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

Boris2303 and Silke like this.

timLnr and Justin Rettka went mountain biking.

Participants

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

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

August 5, 2021

Kleine große Runde nach Haltern

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04:27

80.8km

18.2km/h

480m

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

Sylvio likes this.

timLnr and Justin Rettka went for a bike ride.

Participants

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

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

June 22, 2021

Kleine Regenrückfahrt

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02:27

38.1km

15.5km/h

540m

290m

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

Boris2303 likes this.

timLnr and Justin Rettka went for a bike ride.

Participants

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

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

June 20, 2021

Kleiner Ausflug

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01:27

33.5km

23.1km/h

120m

380m

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

Silke and Boris2303 like this.

timLnr and Justin Rettka went for a bike ride.

Participants

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

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

June 12, 2021

Kleiner Trip

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01:00

20.7km

20.6km/h

160m

180m

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

timLnr and Justin Rettka went for a bike ride.

Participants

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

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

June 9, 2021

Kleine, sehr kurze Idee

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00:43

9.44km

13.2km/h

160m

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

timLnr and Justin Rettka went for a bike ride.

Participants

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

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

June 6, 2021

Kleine Runde zum Abendessen

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01:05

14.5km

13.4km/h

220m

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