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Last updated on July 13, 2026
This privacy policy applies to the B42 CoachZone at teams.b-42.com as well as the teams section within the B42 app. Both access points use the same platform and are subject to the same data protection regulations. For all other functions of the B42 app, the B42 App Privacy Policy applies, and for our other websites, the B42 Websites Privacy Policy applies.
The B42 CoachZone is a web-based platform that enables coaches and clubs to manage teams, create training plans, and monitor the performance development of their athletes. In doing so, personal data of both the coaches and club administrators as well as the athletes being coached are processed.
The data protection situation for CoachZone differs from a classic B2C application: coaches and clubs are responsible for their athletes' data themselves. SFY GmbH provides the technical platform and processes athlete data within this framework as a data processor. This division of roles is explained in detail in Section 2.
SFY GmbH is the data controller within the meaning of Art. 4 No. 7 GDPR for the processing of personal data of coaches, club administrators, and other account holders (e.g., during registration, account management, payment processing). This privacy policy informs you about these processing activities.
Coaches and clubs that use CoachZone to collect, manage, and analyze athlete data are themselves data controllers within the meaning of the GDPR for these processing activities. They decide which athlete data is collected in CoachZone and are accountable to their athletes regarding information and transparency.
In this context, SFY GmbH processes athlete data exclusively as a data processor in accordance with Art. 28 GDPR — under the instructions of the respective coaches and clubs and solely to provide the platform's functions. A data processing agreement is in place between SFY GmbH and the coaches/clubs.
Athletes who wish to request information about their data or request its deletion should first contact their respective coach or club. SFY GmbH supports the fulfillment of data subject rights upon request from the data controllers.
SFY GmbH
Industriestraße 15
84149 Velden
Germany
Email: info@b-42.com
Represented by Managing Director Andreas Gschaider.
Where data processing is based on your consent, you may withdraw it at any time with future effect by sending an email to info@b-42.com. The lawfulness of the data processing carried out prior to the withdrawal remains unaffected.
In the event of data protection violations, you have the right to lodge a complaint with the competent supervisory authority. The competent authority is the State Data Protection Commissioner of the federal state in which our company is based. A list of supervisory authorities can be found at: www.bfdi.bund.de.
CoachZone uses SSL/TLS encryption for security reasons. You can recognize an encrypted connection by the "https://" in your browser's address bar and the padlock icon.
Where we transfer data to the USA, this is done on the basis of the EU-US Data Privacy Framework (DPF) of July 10, 2023, provided the respective provider is certified under the DPF. The respective legal bases are specified for each individual service. For PostHog and Sentry, no third-country transfer takes place due to the use of the EU region.
An account is required to use CoachZone. When you register and use the platform, we process the following data as the data controller:
The legal basis is Art. 6(1)(b) GDPR (performance of a contract). Account data is stored for the duration of the contractual relationship and for 3 years after its termination.
As part of team management, coaches and clubs process their athletes' data via CoachZone. SFY GmbH processes this data exclusively as a data processor (see Section 2.2). This may include:
The respective coaches and clubs are responsible for this data. Storage duration and deletion periods are determined by the requirements of the controllers; SFY GmbH deletes athlete data no later than 30 days after the end of the contractual relationship with the respective coach/club.
When visiting the CoachZone, technical data is automatically saved in server log files (IP address, browser type, operating system, time, pages visited). The legal basis is Art. 6(1)(f) GDPR. This data is automatically deleted after 3 days (Vercel standard).
The CoachZone (teams.b-42.com) is hosted by Vercel. The provider is Vercel Inc., 340 Pine Street, Suite 603, San Francisco, CA 94104, USA.
Vercel automatically processes technical data (server log files as per section 4.3) when operating the platform. The data is processed on Vercel servers in the USA. The transfer to the USA is based on the EU-US Data Privacy Framework; Vercel is DPF-certified. Server log files are automatically deleted after 3 days.
The legal basis is Art. 6(1)(f) GDPR. We have entered into a data processing agreement with Vercel. Further information: vercel.com/legal/privacy-policy.
We use PostHog to analyze platform usage and improve the CoachZone. The provider is PostHog Inc. We use the EU cloud version of PostHog; all data is processed and stored exclusively on servers within the European Union (Frankfurt, Germany). No personal data is transferred to third countries.
PostHog pseudonymously records usage behavior on the platform (e.g., sections visited, click paths, session duration). This data helps us to develop the CoachZone in a targeted manner.
The legal basis is Art. 6(1)(f) GDPR (legitimate interest in improving our platform). Usage data is automatically deleted after 12 months. You can object to the processing at any time by sending an email to info@b-42.com.
We have entered into a data processing agreement with PostHog. Further information: posthog.com/privacy.
We use Sentry to detect and resolve errors and performance issues in the CoachZone. The provider is Sentry, Inc., 45 Fremont Street, 8th Floor, San Francisco, CA 94105, USA. We use Sentry in the EU region; all data is processed and stored exclusively on servers within the European Union. No personal data is transferred to third countries.
In the event of errors, Sentry automatically transmits the following data:
The legal basis is Art. 6(1)(f) GDPR (legitimate interest in stable platform operation). Error data is automatically deleted after 90 days.
We have concluded a data processing agreement with Sentry. Further information: sentry.io/privacy.
We use Stripe to process team subscriptions and license payments. The provider is Stripe, Inc., 510 Townsend Street, San Francisco, CA 94103, USA.
Stripe processes the data required for payment processing, including name, email address, billing address, and payment details (e.g., credit card information). Payment data is encrypted and transmitted directly to Stripe and is not stored on our servers.
The legal basis is Art. 6(1)(b) GDPR (performance of a contract). Transfers to the USA are based on the EU-U.S. Data Privacy Framework; Stripe is DPF-certified. Payment data is subject to statutory retention requirements and is stored for 10 years (§§ 146, 147 AO).
We have concluded a data processing agreement with Stripe. Further information: stripe.com/privacy.
As a user of CoachZone (coach, club administrator), you have the following rights against SFY GmbH as the controller:
Athletes whose data is managed by coaches or clubs via the CoachZone may exercise their data subject rights (access, rectification, erasure, etc.) against the respective coach or club, as they are the data controller for this information under the GDPR.
SFY GmbH supports the fulfillment of these rights upon request by the data controller. Alternatively, athletes can contact info@b-42.com directly; we will then forward the request to the responsible party.
You have the right to lodge a complaint with the competent data protection supervisory authority regarding the processing of your personal data.
You may withdraw your consent at any time with future effect. To do so, please send an email to info@b-42.com.
We reserve the right to amend this privacy policy at any time in compliance with applicable data protection regulations. The current version is available on this page.
If you have any questions regarding data processing in the CoachZone, please contact:
SFY GmbH
Industriestraße 15
84149 Velden
Germany
Email: info@b-42.com
