diff --git a/frontend/src/pages/TrainingUnitRunPage.jsx b/frontend/src/pages/TrainingUnitRunPage.jsx
index 1633731..cd4394b 100644
--- a/frontend/src/pages/TrainingUnitRunPage.jsx
+++ b/frontend/src/pages/TrainingUnitRunPage.jsx
@@ -8,9 +8,9 @@ import api from '../utils/api'
 import ExercisePeekModal from '../components/ExercisePeekModal'
 import CombinationPlanBracket from '../components/CombinationPlanBracket'
 import {
-  buildPlanRunViewModel,
+  buildPlanRunViewModelFromSections,
   itemStableKey,
-  sortedSections,
+  sectionsWithPlanLocForDisplay,
   sortedItems,
 } from '../utils/trainingPlanUtils'
 import { effectiveComboMethodProfile } from '../utils/comboPlanningMethodProfile'
@@ -115,8 +115,8 @@ export default function TrainingUnitRunPage() {
     }
   }, [idNum, persistChecked])
 
-  const sections = useMemo(() => sortedSections(unit), [unit])
-  const planModel = useMemo(() => buildPlanRunViewModel(unit), [unit])
+  const sections = useMemo(() => sectionsWithPlanLocForDisplay(unit), [unit])
+  const planModel = useMemo(() => buildPlanRunViewModelFromSections(sections), [sections])
 
   const printStreamOptions = useMemo(() => {
     const opts = []
diff --git a/frontend/src/utils/trainingPlanUtils.js b/frontend/src/utils/trainingPlanUtils.js
index f1e8b28..78771fd 100644
--- a/frontend/src/utils/trainingPlanUtils.js
+++ b/frontend/src/utils/trainingPlanUtils.js
@@ -4,6 +4,7 @@
 
 import {
   cloneJsonSerializablePlanningProfile,
+  inheritPlanLocForPhasedSave,
   phaseRunsFromSections,
   sectionIndicesForParallelStream,
   streamsForParallelPhaseOrders,
@@ -37,11 +38,79 @@ export function sumExerciseMinutesInSection(sec) {
 }
 
 /**
- * Lesemodell für Plan & Ablauf / Druck / Coach: Phasenläufe mit Ganzgruppe vs. Split.
- * Legacy ohne planLoc: ein Block.
+ * GET liefert `planLoc` oft nicht auf flachen `sections`, aber `unit.phases` (verschachtelt).
+ * Baut pro Abschnitt `planLoc` für phaseRuns / Darstellung (camelCase wie im Editor).
  */
-export function buildPlanRunViewModel(unit) {
-  const sections = sortedSections(unit)
+function planLocBySectionIdFromPhases(phases) {
+  const byId = new Map()
+  if (!Array.isArray(phases)) return byId
+  for (const ph of phases) {
+    const po = Number(ph.order_index ?? ph.orderIndex ?? 0) || 0
+    const pk = String(ph.phase_kind ?? ph.phaseKind ?? '')
+      .toLowerCase()
+      .trim()
+    const phaseTitle = ph.title ?? ph.phaseTitle ?? null
+    const phaseGuidanceNotes = ph.guidance_notes ?? ph.guidanceNotes ?? null
+    if (pk === 'whole_group') {
+      for (const sec of ph.sections || []) {
+        const sid = sec.id != null ? Number(sec.id) : NaN
+        if (!Number.isFinite(sid)) continue
+        byId.set(sid, {
+          phaseKind: 'whole_group',
+          phaseOrderIndex: po,
+          parallelStreamOrderIndex: null,
+          phaseTitle,
+          phaseGuidanceNotes,
+          streamTitle: null,
+          streamNotes: null,
+          streamAssignedTrainerProfileIds: null,
+        })
+      }
+    } else if (pk === 'parallel') {
+      for (const st of ph.streams || []) {
+        const so = Number(st.order_index ?? st.orderIndex ?? 0) || 0
+        const streamTitle = st.title ?? st.streamTitle ?? null
+        const streamNotes = st.notes ?? st.streamNotes ?? null
+        const streamAssignedTrainerProfileIds =
+          st.assigned_trainer_profile_ids ?? st.streamAssignedTrainerProfileIds ?? null
+        for (const sec of st.sections || []) {
+          const sid = sec.id != null ? Number(sec.id) : NaN
+          if (!Number.isFinite(sid)) continue
+          byId.set(sid, {
+            phaseKind: 'parallel',
+            phaseOrderIndex: po,
+            parallelStreamOrderIndex: so,
+            phaseTitle,
+            phaseGuidanceNotes,
+            streamTitle,
+            streamNotes,
+            streamAssignedTrainerProfileIds,
+          })
+        }
+      }
+    }
+  }
+  return byId
+}
+
+export function sectionsWithPlanLocForDisplay(unit) {
+  const sorted = sortedSections(unit)
+  const byId = planLocBySectionIdFromPhases(unit?.phases)
+  const merged = sorted.map((s) => {
+    const sid = s.id != null ? Number(s.id) : NaN
+    if (Number.isFinite(sid) && byId.has(sid)) {
+      return { ...s, planLoc: { ...byId.get(sid) } }
+    }
+    if (s.planLoc && s.planLoc.phaseKind) return s
+    return { ...s }
+  })
+  return inheritPlanLocForPhasedSave(merged)
+}
+
+/**
+ * Läuft auf bereits angereichter Abschnittsliste (gleiche Objektreferenzen wie in Slices).
+ */
+export function buildPlanRunViewModelFromSections(sections) {
   if (!sections.length) {
     return { mode: 'empty', runs: [], totalMin: 0, runCumulativeEnds: [] }
   }
@@ -88,7 +157,9 @@ export function buildPlanRunViewModel(unit) {
       const streamOrders = streamsForParallelPhaseOrders(slice, po)
       const streams = streamOrders.map((so) => {
         const idxs = sectionIndicesForParallelStream(slice, po, so)
-        const streamSecs = idxs.map((i) => slice[i])
+        const streamSecs = idxs
+          .map((i) => slice[i])
+          .sort((a, b) => (a.order_index ?? 0) - (b.order_index ?? 0))
         const first = streamSecs[0]
         const streamTitle = first?.planLoc?.streamTitle ?? null
         const minutes = streamSecs.reduce((s, sec) => s + sumExerciseMinutesInSection(sec), 0)
@@ -119,6 +190,11 @@ export function buildPlanRunViewModel(unit) {
   return { mode: 'phased', runs, totalMin: cum, runCumulativeEnds }
 }
 
+/** @param {object} unit Trainingseinheit inkl. `sections`, optional `phases` (GET) */
+export function buildPlanRunViewModel(unit) {
+  return buildPlanRunViewModelFromSections(sectionsWithPlanLocForDisplay(unit))
+}
+
 function coachContextLabelForSection(sec, sectionsList) {
   const pl = sec?.planLoc
   if (!pl?.phaseKind) return 'Ablauf'
@@ -134,10 +210,10 @@ function coachContextLabelForSection(sec, sectionsList) {
 
 /** Flache Reihenfolge für Coach-Timeline (global wie im Editor, inkl. gemischter Split-Abschnitte). */
 export function flattenPlanTimeline(unit) {
-  const model = buildPlanRunViewModel(unit)
+  const sections = sectionsWithPlanLocForDisplay(unit)
+  const model = buildPlanRunViewModelFromSections(sections)
   if (model.mode === 'empty') return []
 
-  const sections = sortedSections(unit)
   const list = []
 
   const pushSectionItems = (sec, coachCtx) => {