diff --git a/graphql/schema/types/scene-marker.graphql b/graphql/schema/types/scene-marker.graphql
index 8b995c9d5..6d1441213 100644
--- a/graphql/schema/types/scene-marker.graphql
+++ b/graphql/schema/types/scene-marker.graphql
@@ -2,7 +2,10 @@ type SceneMarker {
   id: ID!
   scene: Scene!
   title: String!
+  "The required start time of the marker (in seconds). Supports decimals."
   seconds: Float!
+  "The optional end time of the marker (in seconds). Supports decimals."
+  end_seconds: Float
   primary_tag: Tag!
   tags: [Tag!]!
   created_at: Time!
@@ -18,7 +21,10 @@ type SceneMarker {
 
 input SceneMarkerCreateInput {
   title: String!
+  "The required start time of the marker (in seconds). Supports decimals."
   seconds: Float!
+  "The optional end time of the marker (in seconds). Supports decimals."
+  end_seconds: Float
   scene_id: ID!
   primary_tag_id: ID!
   tag_ids: [ID!]
@@ -27,7 +33,10 @@ input SceneMarkerCreateInput {
 input SceneMarkerUpdateInput {
   id: ID!
   title: String
+  "The start time of the marker (in seconds). Supports decimals."
   seconds: Float
+  "The end time of the marker (in seconds). Supports decimals."
+  end_seconds: Float
   scene_id: ID
   primary_tag_id: ID
   tag_ids: [ID!]
diff --git a/internal/api/resolver_mutation_scene.go b/internal/api/resolver_mutation_scene.go
index b0c6ac8b5..101cc8ba5 100644
--- a/internal/api/resolver_mutation_scene.go
+++ b/internal/api/resolver_mutation_scene.go
@@ -655,6 +655,13 @@ func (r *mutationResolver) SceneMarkerCreate(ctx context.Context, input SceneMar
 	newMarker.PrimaryTagID = primaryTagID
 	newMarker.SceneID = sceneID
 
+	if input.EndSeconds != nil {
+		if err := validateSceneMarkerEndSeconds(newMarker.Seconds, *input.EndSeconds); err != nil {
+			return nil, err
+		}
+		newMarker.EndSeconds = input.EndSeconds
+	}
+
 	tagIDs, err := stringslice.StringSliceToIntSlice(input.TagIds)
 	if err != nil {
 		return nil, fmt.Errorf("converting tag ids: %w", err)
@@ -680,6 +687,13 @@ func (r *mutationResolver) SceneMarkerCreate(ctx context.Context, input SceneMar
 	return r.getSceneMarker(ctx, newMarker.ID)
 }
 
+func validateSceneMarkerEndSeconds(seconds, endSeconds float64) error {
+	if endSeconds < seconds {
+		return fmt.Errorf("end_seconds (%f) must be greater than or equal to seconds (%f)", endSeconds, seconds)
+	}
+	return nil
+}
+
 func (r *mutationResolver) SceneMarkerUpdate(ctx context.Context, input SceneMarkerUpdateInput) (*models.SceneMarker, error) {
 	markerID, err := strconv.Atoi(input.ID)
 	if err != nil {
@@ -695,6 +709,7 @@ func (r *mutationResolver) SceneMarkerUpdate(ctx context.Context, input SceneMar
 
 	updatedMarker.Title = translator.optionalString(input.Title, "title")
 	updatedMarker.Seconds = translator.optionalFloat64(input.Seconds, "seconds")
+	updatedMarker.EndSeconds = translator.optionalFloat64(input.EndSeconds, "end_seconds")
 	updatedMarker.SceneID, err = translator.optionalIntFromString(input.SceneID, "scene_id")
 	if err != nil {
 		return nil, fmt.Errorf("converting scene id: %w", err)
@@ -735,6 +750,26 @@ func (r *mutationResolver) SceneMarkerUpdate(ctx context.Context, input SceneMar
 			return fmt.Errorf("scene marker with id %d not found", markerID)
 		}
 
+		// Validate end_seconds
+		shouldValidateEndSeconds := (updatedMarker.Seconds.Set || updatedMarker.EndSeconds.Set) && !updatedMarker.EndSeconds.Null
+		if shouldValidateEndSeconds {
+			seconds := existingMarker.Seconds
+			if updatedMarker.Seconds.Set {
+				seconds = updatedMarker.Seconds.Value
+			}
+
+			endSeconds := existingMarker.EndSeconds
+			if updatedMarker.EndSeconds.Set {
+				endSeconds = &updatedMarker.EndSeconds.Value
+			}
+
+			if endSeconds != nil {
+				if err := validateSceneMarkerEndSeconds(seconds, *endSeconds); err != nil {
+					return err
+				}
+			}
+		}
+
 		newMarker, err := qb.UpdatePartial(ctx, markerID, updatedMarker)
 		if err != nil {
 			return err
@@ -749,7 +784,7 @@ func (r *mutationResolver) SceneMarkerUpdate(ctx context.Context, input SceneMar
 		}
 
 		// remove the marker preview if the scene changed or if the timestamp was changed
-		if existingMarker.SceneID != newMarker.SceneID || existingMarker.Seconds != newMarker.Seconds {
+		if existingMarker.SceneID != newMarker.SceneID || existingMarker.Seconds != newMarker.Seconds || existingMarker.EndSeconds != newMarker.EndSeconds {
 			seconds := int(existingMarker.Seconds)
 			if err := fileDeleter.MarkMarkerFiles(existingScene, seconds); err != nil {
 				return err
diff --git a/pkg/models/model_scene_marker.go b/pkg/models/model_scene_marker.go
index df77afecd..778603315 100644
--- a/pkg/models/model_scene_marker.go
+++ b/pkg/models/model_scene_marker.go
@@ -8,6 +8,7 @@ type SceneMarker struct {
 	ID           int       `json:"id"`
 	Title        string    `json:"title"`
 	Seconds      float64   `json:"seconds"`
+	EndSeconds   *float64  `json:"end_seconds"`
 	PrimaryTagID int       `json:"primary_tag_id"`
 	SceneID      int       `json:"scene_id"`
 	CreatedAt    time.Time `json:"created_at"`
@@ -27,6 +28,7 @@ func NewSceneMarker() SceneMarker {
 type SceneMarkerPartial struct {
 	Title        OptionalString
 	Seconds      OptionalFloat64
+	EndSeconds   OptionalFloat64
 	PrimaryTagID OptionalInt
 	SceneID      OptionalInt
 	CreatedAt    OptionalTime
diff --git a/pkg/sqlite/database.go b/pkg/sqlite/database.go
index 965c44ef9..d2c0a8191 100644
--- a/pkg/sqlite/database.go
+++ b/pkg/sqlite/database.go
@@ -34,7 +34,7 @@ const (
 	cacheSizeEnv = "STASH_SQLITE_CACHE_SIZE"
 )
 
-var appSchemaVersion uint = 69
+var appSchemaVersion uint = 70
 
 //go:embed migrations/*.sql
 var migrationsBox embed.FS
diff --git a/pkg/sqlite/migrations/70_markers_end.up.sql b/pkg/sqlite/migrations/70_markers_end.up.sql
new file mode 100644
index 000000000..05469953a
--- /dev/null
+++ b/pkg/sqlite/migrations/70_markers_end.up.sql
@@ -0,0 +1 @@
+ALTER TABLE scene_markers ADD COLUMN end_seconds FLOAT;
\ No newline at end of file
diff --git a/pkg/sqlite/scene_marker.go b/pkg/sqlite/scene_marker.go
index 4af4d6b4b..8b2306eab 100644
--- a/pkg/sqlite/scene_marker.go
+++ b/pkg/sqlite/scene_marker.go
@@ -10,6 +10,7 @@ import (
 	"github.com/doug-martin/goqu/v9"
 	"github.com/doug-martin/goqu/v9/exp"
 	"github.com/jmoiron/sqlx"
+	"gopkg.in/guregu/null.v4"
 
 	"github.com/stashapp/stash/pkg/models"
 )
@@ -24,19 +25,23 @@ GROUP BY scene_markers.id
 `
 
 type sceneMarkerRow struct {
-	ID           int       `db:"id" goqu:"skipinsert"`
-	Title        string    `db:"title"` // TODO: make db schema (and gql schema) nullable
-	Seconds      float64   `db:"seconds"`
-	PrimaryTagID int       `db:"primary_tag_id"`
-	SceneID      int       `db:"scene_id"`
-	CreatedAt    Timestamp `db:"created_at"`
-	UpdatedAt    Timestamp `db:"updated_at"`
+	ID           int        `db:"id" goqu:"skipinsert"`
+	Title        string     `db:"title"` // TODO: make db schema (and gql schema) nullable
+	Seconds      float64    `db:"seconds"`
+	PrimaryTagID int        `db:"primary_tag_id"`
+	SceneID      int        `db:"scene_id"`
+	CreatedAt    Timestamp  `db:"created_at"`
+	UpdatedAt    Timestamp  `db:"updated_at"`
+	EndSeconds   null.Float `db:"end_seconds"`
 }
 
 func (r *sceneMarkerRow) fromSceneMarker(o models.SceneMarker) {
 	r.ID = o.ID
 	r.Title = o.Title
 	r.Seconds = o.Seconds
+	if o.EndSeconds != nil {
+		r.EndSeconds = null.FloatFrom(*o.EndSeconds)
+	}
 	r.PrimaryTagID = o.PrimaryTagID
 	r.SceneID = o.SceneID
 	r.CreatedAt = Timestamp{Timestamp: o.CreatedAt}
@@ -48,6 +53,7 @@ func (r *sceneMarkerRow) resolve() *models.SceneMarker {
 		ID:           r.ID,
 		Title:        r.Title,
 		Seconds:      r.Seconds,
+		EndSeconds:   r.EndSeconds.Ptr(),
 		PrimaryTagID: r.PrimaryTagID,
 		SceneID:      r.SceneID,
 		CreatedAt:    r.CreatedAt.Timestamp,
@@ -69,6 +75,7 @@ func (r *sceneMarkerRowRecord) fromPartial(o models.SceneMarkerPartial) {
 		r.set("title", o.Title.Value)
 	}
 	r.setFloat64("seconds", o.Seconds)
+	r.setNullFloat64("end_seconds", o.EndSeconds)
 	r.setInt("primary_tag_id", o.PrimaryTagID)
 	r.setInt("scene_id", o.SceneID)
 	r.setTimestamp("created_at", o.CreatedAt)
diff --git a/ui/v2.5/graphql/data/scene-marker.graphql b/ui/v2.5/graphql/data/scene-marker.graphql
index 9fd0c7d3d..e2ebfc4df 100644
--- a/ui/v2.5/graphql/data/scene-marker.graphql
+++ b/ui/v2.5/graphql/data/scene-marker.graphql
@@ -2,6 +2,7 @@ fragment SceneMarkerData on SceneMarker {
   id
   title
   seconds
+  end_seconds
   stream
   preview
   screenshot
diff --git a/ui/v2.5/graphql/mutations/scene-marker.graphql b/ui/v2.5/graphql/mutations/scene-marker.graphql
index fb4c97444..3b1de35c7 100644
--- a/ui/v2.5/graphql/mutations/scene-marker.graphql
+++ b/ui/v2.5/graphql/mutations/scene-marker.graphql
@@ -1,6 +1,7 @@
 mutation SceneMarkerCreate(
   $title: String!
   $seconds: Float!
+  $end_seconds: Float
   $scene_id: ID!
   $primary_tag_id: ID!
   $tag_ids: [ID!] = []
@@ -9,6 +10,7 @@ mutation SceneMarkerCreate(
     input: {
       title: $title
       seconds: $seconds
+      end_seconds: $end_seconds
       scene_id: $scene_id
       primary_tag_id: $primary_tag_id
       tag_ids: $tag_ids
@@ -22,6 +24,7 @@ mutation SceneMarkerUpdate(
   $id: ID!
   $title: String!
   $seconds: Float!
+  $end_seconds: Float
   $scene_id: ID!
   $primary_tag_id: ID!
   $tag_ids: [ID!] = []
@@ -31,6 +34,7 @@ mutation SceneMarkerUpdate(
       id: $id
       title: $title
       seconds: $seconds
+      end_seconds: $end_seconds
       scene_id: $scene_id
       primary_tag_id: $primary_tag_id
       tag_ids: $tag_ids
diff --git a/ui/v2.5/src/components/Scenes/SceneDetails/PrimaryTags.tsx b/ui/v2.5/src/components/Scenes/SceneDetails/PrimaryTags.tsx
index 9694ca9ed..11c805ec6 100644
--- a/ui/v2.5/src/components/Scenes/SceneDetails/PrimaryTags.tsx
+++ b/ui/v2.5/src/components/Scenes/SceneDetails/PrimaryTags.tsx
@@ -52,7 +52,12 @@ export const PrimaryTags: React.FC<IPrimaryTags> = ({
               <FormattedMessage id="actions.edit" />
             </Button>
           </div>
-          <div>{TextUtils.secondsToTimestamp(marker.seconds)}</div>
+          <div>
+            {TextUtils.formatTimestampRange(
+              marker.seconds,
+              marker.end_seconds ?? undefined
+            )}
+          </div>
           <div className="card-section centered">{tags}</div>
         </div>
       );
diff --git a/ui/v2.5/src/components/Scenes/SceneDetails/SceneMarkerForm.tsx b/ui/v2.5/src/components/Scenes/SceneDetails/SceneMarkerForm.tsx
index 7452bdd19..03fcb3b48 100644
--- a/ui/v2.5/src/components/Scenes/SceneDetails/SceneMarkerForm.tsx
+++ b/ui/v2.5/src/components/Scenes/SceneDetails/SceneMarkerForm.tsx
@@ -44,6 +44,18 @@ export const SceneMarkerForm: React.FC<ISceneMarkerForm> = ({
   const schema = yup.object({
     title: yup.string().ensure(),
     seconds: yup.number().min(0).required(),
+    end_seconds: yup
+      .number()
+      .min(0)
+      .nullable()
+      .defined()
+      .test(
+        "is-greater-than-seconds",
+        intl.formatMessage({ id: "end_time_before_start_time" }),
+        function (value) {
+          return value === null || value >= this.parent.seconds;
+        }
+      ),
     primary_tag_id: yup.string().required(),
     tag_ids: yup.array(yup.string().required()).defined(),
   });
@@ -53,6 +65,7 @@ export const SceneMarkerForm: React.FC<ISceneMarkerForm> = ({
     () => ({
       title: marker?.title ?? "",
       seconds: marker?.seconds ?? Math.round(getPlayerPosition() ?? 0),
+      end_seconds: marker?.end_seconds ?? null,
       primary_tag_id: marker?.primary_tag.id ?? "",
       tag_ids: marker?.tags.map((tag) => tag.id) ?? [],
     }),
@@ -103,6 +116,8 @@ export const SceneMarkerForm: React.FC<ISceneMarkerForm> = ({
           variables: {
             scene_id: sceneID,
             ...input,
+            // undefined means setting to null, not omitting the field
+            end_seconds: input.end_seconds ?? null,
           },
         });
       } else {
@@ -111,6 +126,8 @@ export const SceneMarkerForm: React.FC<ISceneMarkerForm> = ({
             id: marker.id,
             scene_id: sceneID,
             ...input,
+            // undefined means setting to null, not omitting the field
+            end_seconds: input.end_seconds ?? null,
           },
         });
       }
@@ -205,6 +222,34 @@ export const SceneMarkerForm: React.FC<ISceneMarkerForm> = ({
     return renderField("seconds", title, control);
   }
 
+  function renderEndTimeField() {
+    const { error } = formik.getFieldMeta("end_seconds");
+
+    const title = intl.formatMessage({ id: "time_end" });
+    const control = (
+      <>
+        <DurationInput
+          value={formik.values.end_seconds}
+          setValue={(v) => formik.setFieldValue("end_seconds", v ?? null)}
+          onReset={() =>
+            formik.setFieldValue(
+              "end_seconds",
+              Math.round(getPlayerPosition() ?? 0)
+            )
+          }
+          error={error}
+        />
+        {formik.touched.end_seconds && formik.errors.end_seconds && (
+          <Form.Control.Feedback type="invalid">
+            {formik.errors.end_seconds}
+          </Form.Control.Feedback>
+        )}
+      </>
+    );
+
+    return renderField("end_seconds", title, control);
+  }
+
   function renderTagsField() {
     const title = intl.formatMessage({ id: "tags" });
     const control = (
@@ -225,6 +270,7 @@ export const SceneMarkerForm: React.FC<ISceneMarkerForm> = ({
         {renderTitleField()}
         {renderPrimaryTagField()}
         {renderTimeField()}
+        {renderEndTimeField()}
         {renderTagsField()}
       </div>
       <div className="buttons-container px-3">
diff --git a/ui/v2.5/src/components/Wall/WallItem.tsx b/ui/v2.5/src/components/Wall/WallItem.tsx
index 427c060cc..5811b7543 100644
--- a/ui/v2.5/src/components/Wall/WallItem.tsx
+++ b/ui/v2.5/src/components/Wall/WallItem.tsx
@@ -183,7 +183,10 @@ export const WallItem = <T extends WallItemType>({
       case "sceneMarker":
         const sceneMarker = data as GQL.SceneMarkerDataFragment;
         const newTitle = markerTitle(sceneMarker);
-        const seconds = TextUtils.secondsToTimestamp(sceneMarker.seconds);
+        const seconds = TextUtils.formatTimestampRange(
+          sceneMarker.seconds,
+          sceneMarker.end_seconds ?? undefined
+        );
         if (newTitle) {
           return `${newTitle} - ${seconds}`;
         } else {
diff --git a/ui/v2.5/src/locales/en-GB.json b/ui/v2.5/src/locales/en-GB.json
index 6be0a6542..edad1c8e7 100644
--- a/ui/v2.5/src/locales/en-GB.json
+++ b/ui/v2.5/src/locales/en-GB.json
@@ -1457,6 +1457,7 @@
   "tags": "Tags",
   "tattoos": "Tattoos",
   "time": "Time",
+  "time_end": "End Time",
   "title": "Title",
   "toast": {
     "added_entity": "Added {count, plural, one {{singularEntity}} other {{pluralEntity}}}",
@@ -1488,6 +1489,7 @@
   "validation": {
     "blank": "${path} must not be blank",
     "date_invalid_form": "${path} must be in YYYY-MM-DD form",
+    "end_time_before_start_time": "End time must be greater than or equal to start time",
     "required": "${path} is a required field",
     "unique": "${path} must be unique"
   },
diff --git a/ui/v2.5/src/utils/text.ts b/ui/v2.5/src/utils/text.ts
index 627822f21..da7f7e024 100644
--- a/ui/v2.5/src/utils/text.ts
+++ b/ui/v2.5/src/utils/text.ts
@@ -184,6 +184,13 @@ const secondsToTimestamp = (seconds: number) => {
   }
 };
 
+const formatTimestampRange = (start: number, end: number | undefined) => {
+  if (end === undefined) {
+    return secondsToTimestamp(start);
+  }
+  return `${secondsToTimestamp(start)}-${secondsToTimestamp(end)}`;
+};
+
 const timestampToSeconds = (v: string | null | undefined) => {
   if (!v) {
     return null;
@@ -470,6 +477,7 @@ const TextUtils = {
   formatFileSizeUnit,
   fileSizeFractionalDigits,
   secondsToTimestamp,
+  formatTimestampRange,
   timestampToSeconds,
   fileNameFromPath,
   stringToDate,