diff --git a/shiftregister/app/admin.py b/shiftregister/app/admin.py
index 3836276..564b7ee 100644
--- a/shiftregister/app/admin.py
+++ b/shiftregister/app/admin.py
@@ -18,7 +18,7 @@ class ShiftAdmin(admin.ModelAdmin):
     def free_slots(self, object):
         return (
             object.required_helpers or object.room.required_helpers
-        ) - object.shiftregistration_set.count()
+        ) - object.registration_count()
 
 
 def send_login(modeladmin, request, queryset):
@@ -39,6 +39,19 @@ class HelperAdmin(admin.ModelAdmin):
     actions = (send_login,)
 
 
-admin.site.register(ShiftRegistration)
+@admin.register(ShiftRegistration)
+class ShiftRegistrationAdmin(admin.ModelAdmin):
+    list_display = ("start_at", "room", "helper_name", "state")
+
+    def room(self, obj):
+        return obj.shift.room.name
+
+    def start_at(self, obj):
+        return obj.shift.start_at
+
+    def helper_name(self, obj):
+        return obj.helper.name
+
+
 admin.site.register(Message)
 admin.site.register(LoginToken)
diff --git a/shiftregister/app/migrations/0007_shiftregistration_state.py b/shiftregister/app/migrations/0007_shiftregistration_state.py
new file mode 100644
index 0000000..10c1bdc
--- /dev/null
+++ b/shiftregister/app/migrations/0007_shiftregistration_state.py
@@ -0,0 +1,27 @@
+# Generated by Django 4.0.4 on 2022-05-10 18:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("app", "0006_alter_shift_description"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="shiftregistration",
+            name="state",
+            field=models.CharField(
+                choices=[
+                    ("REG", "registriert"),
+                    ("CHECK", "checkin"),
+                    ("CANCEL", "abgemeldet"),
+                    ("FAIL", "nicht angetreten"),
+                ],
+                default="REG",
+                max_length=7,
+            ),
+        ),
+    ]
diff --git a/shiftregister/app/models.py b/shiftregister/app/models.py
index be228ff..d6a529c 100644
--- a/shiftregister/app/models.py
+++ b/shiftregister/app/models.py
@@ -3,7 +3,7 @@ import secrets
 from django.shortcuts import reverse
 from datetime import timedelta
 from django.utils import timezone
-from django.db.models import F, Count, Q, ExpressionWrapper
+from django.db.models import F, Count, Q, ExpressionWrapper, Case, When
 from phonenumber_field.modelfields import PhoneNumberField
 from dynamic_preferences.registries import global_preferences_registry
 
@@ -28,6 +28,22 @@ class Shift(models.Model):
     description = models.TextField(blank=True, default="")
     deleted = models.BooleanField(default=False)
 
+    def with_reg_count():
+        return Shift.objects.annotate(
+            reg_count=Count(
+                Case(
+                    When(
+                        shiftregistration__state__in=[
+                            ShiftRegistration.REGISTERED,
+                            ShiftRegistration.CHECKED_IN,
+                        ],
+                        then=1,
+                    ),
+                    output_field=models.IntegerField(),
+                )
+            )
+        )
+
     def __str__(self):
         return f"{self.room.name}: {self.start_at}"
 
@@ -37,6 +53,11 @@ class Shift(models.Model):
     def is_running(self):
         return (self.start_at <= timezone.now()) and (not self.has_ended())
 
+    def registration_count(self):
+        return self.shiftregistration_set.filter(
+            state__in=[ShiftRegistration.REGISTERED, ShiftRegistration.CHECKED_IN]
+        ).count()
+
 
 class Helper(models.Model):
     phone = PhoneNumberField(unique=True, editable=False)
@@ -78,6 +99,26 @@ class ShiftRegistration(models.Model):
     helper = models.ForeignKey(Helper, on_delete=models.CASCADE)
     reminder_sent = models.BooleanField(default=False)
 
+    # default is registered
+    REGISTERED = "REG"
+    CHECKED_IN = "CHECK"
+    # cancel via infopoint
+    CANCELED = "CANCEL"
+    # did not attend shift
+    FAILED = "FAIL"
+
+    STATE_CHOICES = [
+        (REGISTERED, "registriert"),
+        (CHECKED_IN, "checkin"),
+        (CANCELED, "abgemeldet"),
+        (FAILED, "nicht angetreten"),
+    ]
+    state = models.CharField(
+        max_length=7,
+        choices=STATE_CHOICES,
+        default=REGISTERED,
+    )
+
     def can_cancel(self):
         return self.shift.start_at > (
             timezone.now()
diff --git a/shiftregister/app/templates/shiftlist.html b/shiftregister/app/templates/shiftlist.html
index 28c593c..aedbbe4 100644
--- a/shiftregister/app/templates/shiftlist.html
+++ b/shiftregister/app/templates/shiftlist.html
@@ -8,10 +8,10 @@
 {% include "partials/shift_listitem.html" with shift=current_shift registered=True %}
 </div>
 {% endif %}
-{% if my_shifts %}
-<h3 class="title">Meine Schichten</h3>
+{% if my_future_shifts %}
+<h3 class="title">Meine kommenden Schichten</h3>
 <div class="columns is-multiline">
-{% for shift in my_shifts %}
+{% for shift in my_future_shifts %}
     {% include "partials/shift_listitem.html" with registered=True %}
 {% endfor %}
 </div>
diff --git a/shiftregister/app/views.py b/shiftregister/app/views.py
index 4366193..9f12119 100644
--- a/shiftregister/app/views.py
+++ b/shiftregister/app/views.py
@@ -24,10 +24,11 @@ def index(request):
     # currently only sorts by date
     context = {}
     if request.helper:
-        context["my_shifts"] = (
+        context["my_future_shifts"] = (
             reg.shift
             for reg in request.helper.shiftregistration_set.filter(
-                shift__start_at__gt=timezone.now()
+                shift__start_at__gt=timezone.now(),
+                state__in=[ShiftRegistration.REGISTERED, ShiftRegistration.CHECKED_IN],
             ).order_by("shift__start_at")
         )
 
@@ -39,7 +40,7 @@ def index(request):
         room__required_helpers__gt=F("reg_count")
     )
     free_shifts = (
-        Shift.objects.annotate(reg_count=Count("shiftregistration"))
+        Shift.with_reg_count()
         .filter(
             help_wanted,
             start_at__gt=timezone.now(),
@@ -50,7 +51,7 @@ def index(request):
 
     if request.helper:
         free_shifts = (
-            Shift.objects.annotate(reg_count=Count("shiftregistration"))
+            Shift.with_reg_count()
             .filter(
                 help_wanted,
                 start_at__gt=timezone.now(),
@@ -165,9 +166,9 @@ def shift(request, shiftid):
     # this currently ignores date/time
     request.session["last_seen_shift"] = shiftid
     if (
-        shift.required_helpers > shift.shiftregistration_set.count()
+        shift.required_helpers > shift.registration_count()
         or shift.required_helpers == 0
-        and shift.room.required_helpers > shift.shiftregistration_set.count()
+        and shift.room.required_helpers > shift.registration_count()
     ):
         context["can_register"] = True
 
diff --git a/shiftregister/team/views.py b/shiftregister/team/views.py
index 4cfc679..818001a 100644
--- a/shiftregister/team/views.py
+++ b/shiftregister/team/views.py
@@ -103,7 +103,7 @@ class FreeShiftList(ShiftList):
         help_wanted = Q(required_helpers__gt=F("reg_count")) | Q(
             required_helpers=0
         ) & Q(room__required_helpers__gt=F("reg_count"))
-        return Shift.objects.annotate(reg_count=Count("shiftregistration")).filter(
+        return Shift.with_reg_count().filter(
             help_wanted,
             start_at__gt=timezone.now(),
         )