diff --git a/src/main/java/com/challenge/api/service/challenge/ChallengeService.java b/src/main/java/com/challenge/api/service/challenge/ChallengeService.java
index 985e253..a6cff5a 100644
--- a/src/main/java/com/challenge/api/service/challenge/ChallengeService.java
+++ b/src/main/java/com/challenge/api/service/challenge/ChallengeService.java
@@ -125,7 +125,7 @@ public Long deleteChallenge(Member member, Long challengeId) {
         challengeValidator.challengeExistsBy(member, challengeId);
 
         Challenge challenge = challengeRepository.getReferenceById(challengeId);
-        challengeRepository.delete(challenge);
+        challenge.delete();
         return challengeId;
     }
 
diff --git a/src/main/java/com/challenge/domain/challenge/Challenge.java b/src/main/java/com/challenge/domain/challenge/Challenge.java
index bfbd8fb..047bb3c 100644
--- a/src/main/java/com/challenge/domain/challenge/Challenge.java
+++ b/src/main/java/com/challenge/domain/challenge/Challenge.java
@@ -119,4 +119,8 @@ public void addRecord(Record record) {
         this.records.add(record);
     }
 
+    public void delete() {
+        this.isDeleted = true;
+    }
+
 }
diff --git a/src/main/java/com/challenge/domain/challenge/ChallengeQueryRepository.java b/src/main/java/com/challenge/domain/challenge/ChallengeQueryRepository.java
index bf90a67..740c3e9 100644
--- a/src/main/java/com/challenge/domain/challenge/ChallengeQueryRepository.java
+++ b/src/main/java/com/challenge/domain/challenge/ChallengeQueryRepository.java
@@ -27,6 +27,7 @@ public List<Challenge> findChallengesBy(Member member, LocalDate targetDate) {
 
         return queryFactory.selectFrom(challenge)
                 .where(challenge.member.eq(member)
+                        .and(challenge.isDeleted.isFalse())
                         .and(challenge.endDateTime.goe(startDateTime))
                         .and(challenge.startDateTime.loe(endDateTime)))
                 .fetch();
diff --git a/src/test/java/com/challenge/api/service/challenge/ChallengeServiceTest.java b/src/test/java/com/challenge/api/service/challenge/ChallengeServiceTest.java
index 283f563..f2ce81a 100644
--- a/src/test/java/com/challenge/api/service/challenge/ChallengeServiceTest.java
+++ b/src/test/java/com/challenge/api/service/challenge/ChallengeServiceTest.java
@@ -339,7 +339,7 @@ void deleteChallenge() {
         Category category = createCategory("카테고리");
         categoryRepository.save(category);
 
-        ChallengeCreateServiceRequest request1 = ChallengeCreateServiceRequest.builder()
+        ChallengeCreateRequest request1 = ChallengeCreateRequest.builder()
                 .title("제목1")
                 .durationInWeeks(2)
                 .weeklyGoalCount(3)
@@ -347,7 +347,7 @@ void deleteChallenge() {
                 .color("색상1")
                 .content("내용1")
                 .build();
-        ChallengeCreateServiceRequest request2 = ChallengeCreateServiceRequest.builder()
+        ChallengeCreateRequest request2 = ChallengeCreateRequest.builder()
                 .title("제목2")
                 .durationInWeeks(2)
                 .weeklyGoalCount(3)
@@ -356,18 +356,41 @@ void deleteChallenge() {
                 .content("내용2")
                 .build();
 
-        Challenge challenge1 = Challenge.create(member, category, request1, LocalDateTime.of(2024, 11, 11, 10, 10, 30));
-        Challenge challenge2 = Challenge.create(member, category, request2, LocalDateTime.of(2024, 11, 11, 11, 10, 30));
+        Challenge challenge1 = Challenge.create(member, category, request1.toServiceRequest()
+                , LocalDateTime.of(2024, 11, 11, 10, 10, 30));
+        Challenge challenge2 = Challenge.create(member, category, request2.toServiceRequest(),
+                LocalDateTime.of(2024, 11, 11, 11, 10, 30));
         challengeRepository.saveAll(List.of(challenge1, challenge2));
 
-        // when
+        // when - 챌린지 삭제
         Long deletedChallenge = challengeService.deleteChallenge(member, challenge2.getId());
 
-        // then
+        // then - 삭제된 챌린지 검증
         assertThat(deletedChallenge).isEqualTo(challenge2.getId());
-        assertThat(challengeRepository.findAll()).hasSize(1)
+        assertThat(challengeRepository.findAll()).hasSize(2)
+                .extracting("title", "content", "isDeleted")
+                .containsExactly(
+                        tuple("제목1", "내용1", false),
+                        tuple("제목2", "내용2", true)
+                );
+
+        // given - 모든 챌린지 조회를 위한 요청 request
+        ChallengeQueryRequest challengeQueryRequest = ChallengeQueryRequest.builder()
+                .queryDate("2024-12-28")
+                .build();
+
+        // when - 모든 챌린지 조회
+        List<ChallengeResponse> challenges = challengeService.getChallenges(
+                member,
+                challengeQueryRequest.toServiceRequest()
+        );
+
+        // then - 조회된 챌린지들에 대한 검증
+        assertThat(challenges).hasSize(1)
                 .extracting("title", "content")
-                .containsExactly(tuple("제목1", "내용1"));
+                .containsExactlyInAnyOrder(
+                        tuple("제목1", "내용1")
+                );
     }
 
     private Member createMember() {