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diff --git a/testing/web-platform/tests/scroll-animations/view-timelines/view-timeline-range-large-subject.html b/testing/web-platform/tests/scroll-animations/view-timelines/view-timeline-range-large-subject.html
new file mode 100644
index 0000000000..f87a57584e
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+++ b/testing/web-platform/tests/scroll-animations/view-timelines/view-timeline-range-large-subject.html
@@ -0,0 +1,105 @@
+<!DOCTYPE html>
+<html id="top">
+<meta charset="utf-8">
+<title>View timeline delay</title>
+<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#viewtimeline-interface">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/web-animations/testcommon.js"></script>
+<script src="/scroll-animations/scroll-timelines/testcommon.js"></script>
+<script src="/scroll-animations/view-timelines/testcommon.js"></script>
+<style>
+  #container {
+    border:  10px solid lightgray;
+    overflow-x: scroll;
+    height:  200px;
+    width: 200px;
+  }
+  #content {
+    display:  flex;
+    flex-flow:  row nowrap;
+    justify-content:  flex-start;
+    width:  2100px;
+    margin: 0;
+  }
+  .spacer {
+    width:  800px;
+    display:  inline-block;
+  }
+  #target {
+    background-color:  green;
+    height:  100px;
+    /* target size > viewport size, which changes interpretation of the
+       contain range */
+    width:  400px;
+    display:  inline-block;
+  }
+</style>
+<body>
+  <div id="container">
+    <div id="content">
+      <div class="spacer"></div>
+      <div id="target"></div>
+      <div class="spacer"></div>
+    </div>
+  </div>
+</body>
+<script type="text/javascript">
+  promise_test(async t => {
+    await runTimelineRangeTest(t, {
+      rangeStart: { rangeName: 'cover', offset: CSS.percent(0) } ,
+      rangeEnd: { rangeName: 'cover', offset: CSS.percent(100) },
+      startOffset: 600,
+      endOffset: 1200
+    });
+    await runTimelineRangeTest(t, {
+      rangeStart: { rangeName: 'contain', offset: CSS.percent(0) } ,
+      rangeEnd: { rangeName: 'contain', offset: CSS.percent(100) },
+      startOffset: 800,
+      endOffset: 1000
+    });
+    await runTimelineRangeTest(t, {
+      rangeStart: { rangeName: 'entry', offset: CSS.percent(0) },
+      rangeEnd: { rangeName: 'entry', offset: CSS.percent(100) },
+      startOffset: 600,
+      endOffset: 800
+    });
+    await runTimelineRangeTest(t, {
+      rangeStart: { rangeName: 'entry-crossing', offset: CSS.percent(0) },
+      rangeEnd: { rangeName: 'entry-crossing', offset: CSS.percent(100) },
+      startOffset: 600,
+      endOffset: 1000
+    });
+    await runTimelineRangeTest(t, {
+      rangeStart:  { rangeName: 'exit', offset: CSS.percent(0) },
+      rangeEnd: { rangeName: 'exit', offset: CSS.percent(100) },
+      startOffset: 1000,
+      endOffset: 1200
+    });
+    await runTimelineRangeTest(t, {
+      rangeStart:  { rangeName: 'exit-crossing', offset: CSS.percent(0) },
+      rangeEnd: { rangeName: 'exit-crossing', offset: CSS.percent(100) },
+      startOffset: 800,
+      endOffset: 1200
+    });
+    await runTimelineRangeTest(t, {
+      rangeStart: { rangeName: 'contain', offset: CSS.percent(-50) },
+      rangeEnd: { rangeName: 'entry', offset: CSS.percent(200) },
+      startOffset: 700,
+      endOffset: 1000
+    });
+    await runTimelineRangeTest(t, {
+      rangeStart: { rangeName: 'entry' },
+      rangeEnd: { rangeName: 'exit' },
+      startOffset: 600,
+      endOffset: 1200
+    });
+    await runTimelineRangeTest(t, {
+      rangeStart: { offset: CSS.percent(0) },
+      rangeEnd: { offset: CSS.percent(100) },
+      startOffset: 600,
+      endOffset: 1200
+    });
+
+  }, 'View timeline with range set via delays.' );
+</script>