diff --git a/apps/web/src/api/courses.ts b/apps/web/src/api/courses.ts
index 3f39f9d..e73e346 100644
--- a/apps/web/src/api/courses.ts
+++ b/apps/web/src/api/courses.ts
@@ -4,13 +4,40 @@ export type CourseItem = {
   id: string;
   imageUrl?: string;
   title?: string;
-  date?: string;
+  date?: string; // createdAt을 여기로 매핑해 줄 거야
+  length: number;
+};
+
+type SearchUserCoursesRes = {
+  results: Array<{
+    id: number;
+    title: string;
+    imageUrl: string | null;
+    createdAt: string;
+    length: number;
+    time: number;
+    distance: number;
+    // departure, length, time, author, bookmarked, distance 등은 필요 시 추가
+  }>;
+  nextCursor: string | null;
 };
 
 export async function searchUserCourses(cursor?: string) {
-  const { data } = await api.get<{
-    results: CourseItem[];
-    nextCursor: string | null;
-  }>('/api/courses/search/users', { params: cursor ? { cursor } : undefined });
-  return data;
+  const { data } = await api.get<SearchUserCoursesRes>(
+    '/api/courses/search/users',
+    {
+      params: cursor ? { cursor } : undefined,
+    },
+  );
+
+  return {
+    results: data.results.map((r) => ({
+      id: String(r.id),
+      imageUrl: r.imageUrl ?? undefined,
+      title: r.title ?? undefined,
+      date: r.createdAt ?? undefined,
+      length: r.length ?? undefined,
+    })) as CourseItem[],
+    nextCursor: data.nextCursor ?? null,
+  };
 }
diff --git a/apps/web/src/api/posts.ts b/apps/web/src/api/posts.ts
index ac25eae..4409064 100644
--- a/apps/web/src/api/posts.ts
+++ b/apps/web/src/api/posts.ts
@@ -110,13 +110,11 @@ function pickImageUrl(res: {
 }
 
 function mapListItemToEntity(res: PostResListItem | PostResListItemAlt): Post {
-  const author = res.authorInfo?.nickname;
-
   return {
     id: String(res.id),
     category: res.type,
     title: res.title,
-    author,
+    author: 'author',
     commentsCount: res.commentCount,
     content: res.content,
     likeCount: res.likeCount,
diff --git a/apps/web/src/pages/Community/CommunityDetail/index.tsx b/apps/web/src/pages/Community/CommunityDetail/index.tsx
index cd254e7..12dbb4e 100644
--- a/apps/web/src/pages/Community/CommunityDetail/index.tsx
+++ b/apps/web/src/pages/Community/CommunityDetail/index.tsx
@@ -13,7 +13,7 @@ import {
   getReadablePostError,
 } from '@/api/posts';
 import {
-  getPostComments, // ← 커서 기반 시그니처: (postId, limit?, cursor?)
+  getPostComments,
   createPostComment,
   updateComment,
   deleteComment,
@@ -46,16 +46,13 @@ export default function CommunityDetail() {
     null,
   );
 
-  // 현재 사용자 ID (RN → Web 브리지)
   const myIdRaw = useNativeBridgeStore((s) => s.init?.user?.id ?? null);
   const toStr = useCallback((v: unknown) => (v == null ? null : String(v)), []);
   const myId = toStr(myIdRaw);
 
-  // 게시글 수정/삭제 권한 (작성자 본인만)
   const authorId = toStr(post?.authorInfo?.id) ?? null;
   const canEdit = myId !== null && authorId !== null && myId === authorId;
 
-  // ---- 게시글 로드 ----
   useEffect(() => {
     let mounted = true;
     (async () => {
@@ -81,7 +78,6 @@ export default function CommunityDetail() {
     };
   }, [id]);
 
-  // ---- 댓글 최초 로드 (커서 기반) ----
   useEffect(() => {
     let mounted = true;
     (async () => {
@@ -104,7 +100,6 @@ export default function CommunityDetail() {
     };
   }, [id, cLimit]);
 
-  // ---- 좋아요 ----
   const handleToggleLike = async () => {
     if (!post || liking) return;
     setLiking(true);
@@ -127,7 +122,6 @@ export default function CommunityDetail() {
     }
   };
 
-  // ---- 댓글 작성 ----
   const handleSubmitComment = async () => {
     const v = inputRef.current?.value?.trim();
     if (!v || !id) return;
@@ -139,7 +133,6 @@ export default function CommunityDetail() {
       setPost((p) =>
         p ? { ...p, commentsCount: (p.commentsCount ?? 0) + 1 } : p,
       );
-      // 커서는 서버가 새로 계산하므로 유지(append만 했으니 nextCursor 변화 없음)
     } catch (e) {
       alert(getReadablePostError(e));
     } finally {
@@ -147,7 +140,6 @@ export default function CommunityDetail() {
     }
   };
 
-  // ---- 댓글 수정 ----
   const handleEditComment = async (commentId: string) => {
     const target = comments.find((c) => c.id === commentId);
     if (!target) return;
@@ -186,7 +178,6 @@ export default function CommunityDetail() {
     }
   };
 
-  // ---- 게시글 삭제 ----
   const handleDeletePost = useCallback(async () => {
     if (!post || deleting) return;
 
@@ -213,7 +204,6 @@ export default function CommunityDetail() {
     }
   }, [post, deleting, nav, confirm]);
 
-  // ---- 댓글 삭제 ----
   const handleDeleteComment = async (commentId: string) => {
     const ok = await confirm({
       title: '댓글을 삭제하시겠습니까?',
@@ -243,9 +233,8 @@ export default function CommunityDetail() {
     }
   };
 
-  // ---- 더 보기(커서 페이징) ----
   const handleLoadMore = async () => {
-    if (!post || !cCursor) return; // 더 불러올 것 없으면 종료
+    if (!post || !cCursor) return;
     const { items, nextCursor } = await getPostComments(
       post.id,
       cLimit,
@@ -255,7 +244,6 @@ export default function CommunityDetail() {
     setCCursor(nextCursor ?? null);
   };
 
-  // ---- early returns ----
   if (loading) {
     return (
       <AppLayout title="게시글" onBack={goBack}>
diff --git a/apps/web/src/pages/Community/CommunityEdit/_components/EditForm.tsx b/apps/web/src/pages/Community/CommunityEdit/_components/EditForm.tsx
index 47d1b2c..40929cf 100644
--- a/apps/web/src/pages/Community/CommunityEdit/_components/EditForm.tsx
+++ b/apps/web/src/pages/Community/CommunityEdit/_components/EditForm.tsx
@@ -106,12 +106,10 @@ export default function EditForm({
                   </PickerItem>
                 );
               })}
-            {/* SHARE에서는 Picker 내부 하단에 footerSlot */}
             {footerSlot}
           </Picker>
         </Field>
       ) : (
-        // PROOF/FREE/MATE에서는 Picker 대신 별도 영역으로 footerSlot 노출
         footerSlot && <Field>{footerSlot}</Field>
       )}
 
diff --git a/apps/web/src/pages/Community/CommunityEdit/index.tsx b/apps/web/src/pages/Community/CommunityEdit/index.tsx
index 2757d5d..5364c79 100644
--- a/apps/web/src/pages/Community/CommunityEdit/index.tsx
+++ b/apps/web/src/pages/Community/CommunityEdit/index.tsx
@@ -13,8 +13,6 @@ import {
   updatePostById,
   uploadProofWithFile,
 } from '@/api/posts';
-// 🔻 PROOF 목록 불러오기는 제거 (PROOF에선 목록을 안 씀)
-// import { fetchRunningRecords } from '@/api/running';
 import { searchUserCourses } from '@/api/courses';
 
 const PROOF_KEYS: Exclude<Category, 'ALL'>[] = ['PROOF'];
@@ -32,6 +30,7 @@ type ItemShape = {
   imageUrl?: string;
   title?: string;
   date?: string;
+  length?: number;
 };
 
 export default function CommunityEdit() {
@@ -55,13 +54,14 @@ export default function CommunityEdit() {
   const [listDone, setListDone] = useState(false);
   const [listError, setListError] = useState<string | null>(null);
 
-  // PROOF 업로드 미리보기/업로딩 상태
   const [proofFile, setProofFile] = useState<File | null>(null);
   const [proofPreview, setProofPreview] = useState<string>('');
   const [proofUploading, setProofUploading] = useState(false);
 
   const sentinelRef = useRef<HTMLDivElement | null>(null);
 
+  const inFlightRef = useRef(false);
+
   useEffect(() => {
     let mounted = true;
     (async () => {
@@ -93,19 +93,13 @@ export default function CommunityEdit() {
     if (typeof patch.title === 'string') setTitle(patch.title);
     if (typeof patch.content === 'string') setContent(patch.content);
     if (typeof patch.imageUrl === 'string') setImageUrl(patch.imageUrl);
-    if (
-      typeof patch.routeId === 'number' ||
-      typeof patch.routeId === 'undefined'
-    ) {
-      setRouteId(patch.routeId);
-    }
   }, []);
 
   // 카테고리 바뀌면 목록 초기화 + PROOF 미리보기 정리
   useEffect(() => {
     setItems([]);
     setCursor(null);
-    setListDone(true);
+    setListDone(false);
     setListError(null);
 
     if (!isProofCategory(category)) {
@@ -115,11 +109,13 @@ export default function CommunityEdit() {
     }
   }, [category, proofPreview]);
 
-  // 페이지 로드 함수 — 🔸 SHARE에서만 동작
   const loadMore = useCallback(async () => {
+    if (inFlightRef.current) return;
     if (listLoading || listDone) return;
     if (!isShareCategory(category)) return;
+    if (cursor === null && items.length > 0) return;
 
+    inFlightRef.current = true;
     setListLoading(true);
     setListError(null);
     try {
@@ -133,6 +129,7 @@ export default function CommunityEdit() {
           imageUrl: c.imageUrl,
           title: c.title ?? '코스 공유',
           date: c.date,
+          length: c.length,
         })),
       ]);
       setCursor(nextCursor);
@@ -146,10 +143,10 @@ export default function CommunityEdit() {
       setListError(msg);
     } finally {
       setListLoading(false);
+      inFlightRef.current = false;
     }
-  }, [category, cursor, listDone, listLoading]);
+  }, [category, cursor, listDone, listLoading, items.length]);
 
-  // 초기 로드 — 🔸 SHARE에서만
   useEffect(() => {
     if (
       isShareCategory(category) &&
@@ -171,7 +168,7 @@ export default function CommunityEdit() {
     const io = new IntersectionObserver(
       (entries) => {
         const isVisible = entries.some((e) => e.isIntersecting);
-        if (isVisible && !listLoading) {
+        if (isVisible && !listLoading && !inFlightRef.current) {
           void loadMore();
         }
       },
@@ -199,14 +196,31 @@ export default function CommunityEdit() {
     [proofPreview],
   );
 
+  const handleSelectCourse = useCallback(
+    (clickedId: string) => {
+      const found = items.find((it) => it.id === clickedId);
+      const raw = found?.id ?? clickedId;
+      const n = Number(raw);
+      if (!Number.isFinite(n)) return;
+
+      setRouteId(n);
+
+      const nextImg = found?.imageUrl?.trim();
+      if (nextImg) setImageUrl(nextImg);
+    },
+    [items],
+  );
+
   const submit = async () => {
     if (!title.trim()) return alert('제목을 입력하세요.');
     if (!content.trim()) return alert('내용을 입력하세요.');
+    if (isShareCategory(category) && typeof routeId !== 'number') {
+      return alert('공유할 코스를 선택해주세요.');
+    }
 
     try {
       setSubmitting(true);
 
-      // PROOF면, 아직 업로드 안 된 로컬 파일을 선 업로드 → imageUrl 대체
       let finalImageUrl = imageUrl;
       if (isProofCategory(category) && proofFile) {
         setProofUploading(true);
@@ -222,7 +236,7 @@ export default function CommunityEdit() {
           type: category,
           title,
           content,
-          imageUrl: finalImageUrl || null, // 비웠다면 null 전달 가능
+          imageUrl: finalImageUrl || null,
           ...(typeof routeId === 'number' ? { routeId } : {}),
         });
         navigate(`/community/${id}`, { replace: true });
@@ -233,7 +247,7 @@ export default function CommunityEdit() {
         type: category,
         title,
         content,
-        imageUrl: finalImageUrl, // 생성은 필수
+        imageUrl: finalImageUrl,
         routeId,
       });
       navigate(`/community/${created.id}`, { replace: true });
@@ -248,7 +262,7 @@ export default function CommunityEdit() {
     () =>
       items.map((it) => ({
         id: it.id,
-        imageUrl: it.imageUrl ?? 'https://picsum.photos/200?blur',
+        imageUrl: it.imageUrl ?? '',
         title: it.title ?? '',
         date: it.date ?? '',
       })),
@@ -271,15 +285,17 @@ export default function CommunityEdit() {
             category={category}
             title={title}
             content={content}
-            // 🔸 PROOF일 땐 EditForm에 빈 배열 전달(픽커 완전 비활성화)
             items={isShareCategory(category) ? formItems : []}
             submitting={submitting}
             submitLabel={editing ? '수정하기' : '작성하기'}
             onChange={handleFormChange}
             onSubmit={submit}
+            selectedItemId={routeId != null ? String(routeId) : null}
+            onSelectItem={
+              isShareCategory(category) ? handleSelectCourse : undefined
+            }
             footerSlot={
               <FooterArea>
-                {/* 🔹 PROOF: 업로드 카드만 노출 */}
                 {isProofCategory(category) && (
                   <UploadArea>
                     <HiddenInput
@@ -307,24 +323,11 @@ export default function CommunityEdit() {
                   </UploadArea>
                 )}
 
-                {/* 🔹 SHARE: 목록 관련 UI만 노출 */}
                 {isShareCategory(category) && (
                   <>
-                    {listError && (
-                      <ErrorBox role="alert">
-                        <ErrorText>{listError}</ErrorText>
-                        <RetryButton
-                          type="button"
-                          onClick={() => {
-                            void loadMore();
-                          }}
-                          disabled={listLoading}
-                        >
-                          다시 시도
-                        </RetryButton>
-                      </ErrorBox>
+                    {!listDone && !listLoading && (
+                      <Sentinel ref={sentinelRef} />
                     )}
-                    {!listDone && <Sentinel ref={sentinelRef} />}
                     {listLoading && <SmallHint>불러오는 중…</SmallHint>}
                     {listDone && items.length > 0 && (
                       <SmallHint>마지막 항목입니다.</SmallHint>
@@ -367,33 +370,6 @@ const SmallHint = styled.div`
   color: ${({ theme }) => theme.colors.subtext};
 `;
 
-const ErrorBox = styled.div`
-  width: 100%;
-  display: flex;
-  gap: 8px;
-  align-items: center;
-  justify-content: space-between;
-  padding: 10px 12px;
-  border-radius: 12px;
-  background: ${({ theme }) => theme.colors.danger}22;
-  border: 1px solid ${({ theme }) => theme.colors.danger};
-`;
-
-const ErrorText = styled.div`
-  flex: 1;
-  font-size: 12px;
-  color: ${({ theme }) => theme.colors.danger};
-`;
-
-const RetryButton = styled.button`
-  padding: 6px 10px;
-  border-radius: 8px;
-  border: 1px solid ${({ theme }) => theme.colors.danger};
-  background: transparent;
-  font-size: 12px;
-  cursor: pointer;
-`;
-
 const UploadArea = styled.div`
   width: 100%;
   display: flex;
@@ -402,7 +378,6 @@ const UploadArea = styled.div`
   margin-bottom: 8px;
 `;
 
-/** 업로드 미리보기 박스 (label) */
 const PreviewCard = styled.label`
   width: 100%;
   border: 1px solid ${({ theme }) => theme.colors.border};
diff --git a/apps/web/src/pages/Community/_components/CommunityNavigator.tsx b/apps/web/src/pages/Community/_components/CommunityNavigator.tsx
index 44cab60..895fbd6 100644
--- a/apps/web/src/pages/Community/_components/CommunityNavigator.tsx
+++ b/apps/web/src/pages/Community/_components/CommunityNavigator.tsx
@@ -4,9 +4,9 @@ import { useCommunityStore } from '@/stores/communityStore';
 
 const PATH_BY_KEY = {
   home: '/community',
-  photo: '/community/feed/proof', // ✅ photo -> proof
-  route: '/community/feed/share', // ✅ route -> share
-  run: '/community/feed/mate', // ✅ run   -> mate
+  photo: '/community/feed/proof',
+  route: '/community/feed/share',
+  run: '/community/feed/mate',
 } as const;
 
 type NavKey = keyof typeof PATH_BY_KEY;