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A live session streams heart rate data from ANT+ sensors to the dashboard in real time. Each athlete’s current zone, effort points, and beats per minute update continuously so you can coach from anywhere in the room — or project the view on a gym screen.

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Starting a session

1

Click "New Session"

From the dashboard home, click the New Session button. A setup panel opens without leaving the page.
2

Enter a session type

Type a label for the session, such as CrossFit, Cycling, or HIIT. This label appears in session history and post-session emails.
3

Select athletes

Choose the athletes who are participating from your roster. You must select at least one.
4

Set a target zone (optional)

Select a target zone from 1 to 5. You can also set per-zone minute goals — for example, 10 minutes in Z3 and 5 minutes in Z4. Both settings are optional.
5

Click "Start Session"

Click Start Session. The session is created immediately and telemetry begins flowing from connected ANT+ sensors.
Athletes must have GDPR consent recorded in their profile before they can be added to a session. If any selected athlete is missing consent, the session will not start.

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The live view

Once the session is running, the dashboard shows a card for each athlete. Cards refresh every few seconds as telemetry arrives.

Heart rate

Current beats per minute read from the ANT+ sensor.

Zone

The zone (1–5) the athlete is currently in, color-coded for instant recognition.

Effort points

Points accumulated during the session. One point is awarded per minute spent in Zone 4 or Zone 5.

Session type & target

The session label and target zone are shown in the header so the whole class can see the objective at a glance.

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Zone color reference

ZoneColorName
Z1BlueVery Light
Z2GreenLight
Z3YellowModerate
Z4OrangeHard
Z5RedMaximum
Zone boundaries for each athlete are calculated from their maximum heart rate. If an athlete has custom effort intervals configured, those thresholds are used instead.
Project the live session dashboard on a screen in your gym. Seeing their name, zone, and points in real time is a proven motivator for athletes.

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Adding athletes during a session

You can add athletes to a session that is already running. Open the session panel and select the additional athletes from your roster. Their telemetry starts streaming as soon as they are added.
Athletes cannot be added after a session has ended.

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Achievements during the session

When an athlete earns an achievement mid-session, a pop-up notification appears on the dashboard. Achievements are evaluated in real time by the gamification engine and awarded automatically — no manual action required.

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Ending a session

Click End Session to finalize the session. ZoneMetrics will:
  1. Calculate each athlete’s summary — average HR, calories, zone distribution, and effort points.
  2. Save the summary to session history.
  3. Send a post-session email to athletes who have an email address on file.
  4. Send a push notification to athletes who have opted in.
Ending a session is permanent. Once ended, you cannot resume it or add more telemetry. The session will appear in History with a complete summary.