diff --git a/node-graph/libraries/core-types/src/record/mod.rs b/node-graph/libraries/core-types/src/record/mod.rs
index 6ee3fe0a14..069fa7822e 100644
--- a/node-graph/libraries/core-types/src/record/mod.rs
+++ b/node-graph/libraries/core-types/src/record/mod.rs
@@ -31,6 +31,6 @@ pub use layout::{
 pub use owned::{OwnedRecord, deepen_field_value, has_deep_element_glue, register_deep_element_clone, register_deep_field_value, replay_field_value};
 pub use promote::{Promotion, assert_promoted, register_element_promote, register_field_promote, register_retained_heap};
 pub use route::{RecordSource, SourcePlan};
-pub use run::{Group, GroupItem, RunBuilder, RunColumn, RunView};
+pub use run::{Group, GroupItem, RunBuilder, RunColumn, RunView, run_to_owned_list};
 pub use serve::{FrameClaim, MaterializedSpan, Served, SlotRun, serve_input};
 pub use testkit::{LiftedSource, ServedRecord, capture, test_frames};
diff --git a/node-graph/libraries/core-types/src/record/run.rs b/node-graph/libraries/core-types/src/record/run.rs
index 7c9bf4443e..0d04ecf0fe 100644
--- a/node-graph/libraries/core-types/src/record/run.rs
+++ b/node-graph/libraries/core-types/src/record/run.rs
@@ -480,6 +480,25 @@ impl<'e> GroupItem<'e> {
 	}
 }
 
+/// One typed run as an owned legacy list, elements cloned and every attribute
+/// copied through its erased read. The owned result outlives the evaluation the
+/// run was materialized in, so an async source can carry it across its await.
+pub fn run_to_owned_list<T: Clone + Send + Sync + dyn_any::StaticTypeSized>(item: &GroupItem) -> Option<crate::list::List<T>> {
+	let lanes = item.typed_lanes::<T>()?;
+	let mut list = crate::list::List::new();
+	for lane in 0..lanes.len() {
+		list.push(crate::list::Item::new_from_element(lanes.element_ref(lane).clone()));
+	}
+	for field in &item.layout().fields {
+		for lane in 0..lanes.len() {
+			// SAFETY: the offset comes from the item's own layout.
+			let value = unsafe { (field.read_erased)(item.lanes().get(lane).rec().ptr().add(field.offset)) };
+			list.set_attribute_value_dyn(field.name, lane, crate::list::AttributeValueDyn(value));
+		}
+	}
+	Some(list)
+}
+
 /// A run read at its element type. Record fields hold each marker's value
 /// verbatim, so lane reads are plain typed reads at a hoisted offset.
 pub struct RunView<'a, T> {
diff --git a/node-graph/libraries/graphic-types/src/graphic/legacy.rs b/node-graph/libraries/graphic-types/src/graphic/legacy.rs
index ab6f745e7a..50a2578153 100644
--- a/node-graph/libraries/graphic-types/src/graphic/legacy.rs
+++ b/node-graph/libraries/graphic-types/src/graphic/legacy.rs
@@ -4,7 +4,7 @@ use super::walk::push_lane_paint_into_interiors;
 use super::{Graphic, detable_items};
 use crate::markers::{ATTR_FILL, ATTR_STROKE};
 use core_types::Color;
-use core_types::list::{AttributeValueDyn, Item, List};
+use core_types::list::{Item, List};
 use raster_types::{CPU, GPU, Raster};
 use vector_types::{GradientStops, Vector};
 
@@ -12,19 +12,7 @@ use vector_types::{GradientStops, Vector};
 /// through its erased read. Content keeps its native form; the legacy
 /// conversions layer their mapping on top.
 pub fn run_to_list<T: Clone + Send + Sync + dyn_any::StaticTypeSized>(item: &core_types::record::GroupItem) -> Option<List<T>> {
-	let lanes = item.typed_lanes::<T>()?;
-	let mut list = List::new();
-	for lane in 0..lanes.len() {
-		list.push(Item::new_from_element(lanes.element_ref(lane).clone()));
-	}
-	for field in &item.layout().fields {
-		for lane in 0..lanes.len() {
-			// SAFETY: the offset comes from the item's own layout.
-			let value = unsafe { (field.read_erased)(item.lanes().get(lane).rec().ptr().add(field.offset)) };
-			list.set_attribute_value_dyn(field.name, lane, AttributeValueDyn(value));
-		}
-	}
-	Some(list)
+	core_types::record::run_to_owned_list(item)
 }
 
 /// Converts the group content of the list's paint attribute values to legacy