# Group and stages

![Multiple tracks in one visualization](/files/NzGlBiXGYtqvShcXwy9U)

| Description   | Group                                                                 | Stages                                                                                  |
| ------------- | --------------------------------------------------------------------- | --------------------------------------------------------------------------------------- |
| use case      | combine several contests                                              | unite all stages of one event                                                           |
| participation | athlete joins one contest                                             | athlete joins all stages one by another                                                 |
| participants  | each contest with different participants                              | all stages with identical participants                                                  |
| keys          | one key working for one contest                                       | one key working for all stages                                                          |
| sequence      | contests may overlap, single events active at the same time, normally | stages active one by another, not at the same time, normally                            |
| sample event  | Solo Run Jena                                                         | DYNAFIT TRAIL RUN3 - 7 stages                                                           |
| visualization | <https://racemap.com/player/SoloRunJena21#events=0,1,2,3,4,5,6,7>     | <https://racemap.com/player/dynafit-transalpine-run-powered-by-volkswagen-r_2021-08-07> |

The group- or stages map displays the information of the selected event(s), only:

* marker of participants,
* race course(s),
* points of interest and
* duration.

{% tabs %}
{% tab title="Desktop" %}
![select multiple contests or stages in the map, directly](/files/-MkfPllAc0c70QeVJ_F8)
{% endtab %}

{% tab title="Racemap App" %}
![select a contest or a stage one by another](/files/-MkfRm33-BM4MXfWAVt8)
{% endtab %}
{% endtabs %}

URLs and auto-selection of specific single events

* A group- or a stages event has a specific URL ("group URL"): \
  <https://racemap.com/player/tortour-ultra-cycling_2021-06-22>
* Every single event in the group (or in stages) has a specific URL, also:\
  <https://racemap.com/player/tortour-ultracycling-challenge_2021-08-20>
* Through the group URL, specific single events can be preselected: \
  <https://racemap.com/player/tortour-ultra-cycling_2021-06-22#events=1>\
  <https://racemap.com/player/tortour-ultra-cycling_2021-06-22#events=0,1>

On desktop applications, the group URL selects specific single events, automatically:

{% tabs %}
{% tab title="during the event" %}
The group URL selects all running (live) single events. Past or upcoming events are not selected.
{% endtab %}

{% tab title="after the event" %}
The group URL selects the 1st single event in group settings.

![](/files/-MkgqqoOhgulTpDmHkC_)
{% endtab %}
{% endtabs %}


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