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The Retreat before the 2025 Berlin Marathon

by Team RetreatPublished

In the week before the 2025 Berlin Marathon we accompanied runners through their preparation. What we saw, and what counts in the final days before a race.

Brandenburg Gate in the evening

What we did

From 15 to 19 September, in the days before the race on the 21st, runners came to us on Mauerstraße. We offered micronutrient infusions, red light applications and IHHT, intermittent hypoxic training, each after a short medical conversation.

The Retreat Berlin practice
Figure 1: the practice on Mauerstraße 78.

What interests us is less the last training session than everything around it: sleep, fluids, rest for the nervous system. Anyone who arrived with a fixed request was given a conversation first.

What we learned

The most common question that week was not what works fastest, but what is better left alone shortly before a race. That is exactly what we will write about at greater length in the next piece.

Understand first, then treat

If you would like to place any of this in the context of your own health: the next step is a conversation.

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Read on

Joint controllership with Meta — the essence of our arrangement

If you have consented to advertising measurement, The Retreat HC GmbH & Co. KG, Mauerstr. 78, 10117 Berlin ("The Retreat") and Meta Platforms Ireland Limited (Merrion Road, Dublin 4, D04 X2K5, Ireland; "Meta") are joint controllers under Art. 26 GDPR for the collection of certain data on our booking page and its transmission to Meta, on the basis of Meta's standard "Controller Addendum". Meta's subsequent processing of the data is not part of the joint controllership; for it, Meta is an independent controller. In essence:

- What is jointly processed: pseudonymised contact identifiers (email address and mobile number as SHA-256 checksums), advertising click identifiers (fbc, fbp), and a generic booking event — to measure and improve The Retreat's advertising. Your treatment selection, your concern, and any other health information are not transmitted to Meta.
- Scope of the joint controllership: it covers the collection of the data named above on our booking page and its transmission to Meta. Meta's subsequent processing is not carried out under joint controllership but under Meta's own responsibility as an independent controller.
- What The Retreat is responsible for: the lawful collection and transmission of this data (including obtaining your consent), informing you about it (this page, the privacy policy), and answering your data-subject rights insofar as they concern collection and transmission.
- What Meta is responsible for: the security of the joint processing and your data-subject rights with respect to the data Meta stores after transmission. Meta's subsequent processing for its own purposes is Meta's sole responsibility. Details: Meta's Privacy Policy and Meta's own explanation of the addendum.
- Your rights (access, rectification, erasure, restriction, objection, portability) can be exercised against either The Retreat or Meta. First point of contact: privacy@retreatgermany.com. You may withdraw your consent at any time with effect for the future.
- US transfer: data may be transferred to Meta Platforms, Inc. (USA) — on the basis of the EU-US Data Privacy Framework, alternatively the EU Standard Contractual Clauses plus supplementary measures.
- Right to lodge a complaint with a supervisory authority, e.g. the Berlin Commissioner for Data Protection and Freedom of Information.

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