diff --git a/__tests__/shared/components/challenge-listing/__snapshots__/index.jsx.snap b/__tests__/shared/components/challenge-listing/__snapshots__/index.jsx.snap
index 69fd209cb3..f590d36b19 100644
--- a/__tests__/shared/components/challenge-listing/__snapshots__/index.jsx.snap
+++ b/__tests__/shared/components/challenge-listing/__snapshots__/index.jsx.snap
@@ -43,6 +43,7 @@ exports[`Matches shallow shapshot 1 shapshot 1 1`] = `
       setFilterState={[MockFunction]}
       setSort={[MockFunction]}
       sorts={Object {}}
+      userChallenges={Array []}
     />
     <div
       className="src-shared-components-challenge-listing-___style__sidebar-container-desktop___h0bz6"
diff --git a/src/shared/actions/challenge-listing/index.js b/src/shared/actions/challenge-listing/index.js
index 519b70c8e3..a33623e9b7 100644
--- a/src/shared/actions/challenge-listing/index.js
+++ b/src/shared/actions/challenge-listing/index.js
@@ -7,7 +7,6 @@ import { createActions } from 'redux-actions';
 import { decodeToken } from 'tc-accounts';
 import 'isomorphic-fetch';
 import { processSRM } from 'utils/tc';
-import { mapUserWithChallenges } from 'utils/challenge-listing/helper';
 import { errors, services } from 'topcoder-react-lib';
 
 const { fireErrorMessage } = errors;
@@ -105,12 +104,27 @@ function getAllActiveChallengesWithUsersDone(uuid, tokenV3, filter, page = 0) {
     calls.push(getAll(params => service.getUserChallenges(user, newFilter, params)
       .catch(() => ({ challenges: [] }))), page);
   }
-  // uch array contains challenges where the user is participating in
-  return Promise.all(calls).then(([ch, uch]) => ({
-    uuid,
-    challenges: mapUserWithChallenges(user, ch, uch),
-    ...filter,
-  }));
+  return Promise.all(calls).then(([ch, uch]) => {
+    /* uch array contains challenges where the user is participating in
+@@ -111,8 +124,8 @@ function getAllActiveChallengesDone(uuid, tokenV3) {
+     * challenges in an efficient way. */
+    if (uch) {
+      const map = {};
+      uch.forEach((item) => { map[item.id] = item; });
+      ch.forEach((item) => {
+        if (map[item.id]) {
+          /* It is fine to reassing, as the array we modifying is created just
+           * above within the same function. */
+          /* eslint-disable no-param-reassign */
+          item.users[user] = true;
+          item.userDetails = map[item.id].userDetails;
+          /* eslint-enable no-param-reassign */
+        }
+      });
+    }
+
+    return { uuid, challenges: ch, ...filter };
+  });
 }
 
 /** TODO: Inspect if the 2 actions bellow can be removed?
@@ -168,12 +182,12 @@ function getActiveChallengesDone(uuid, page, backendFilter, tokenV3, frontFilter
 
     // Handle any errors on this endpoint so that the non-user specific challenges
     // will still be loaded.
-    calls.push(getAll(params => service.getUserChallenges(user, filter, params)
-      .catch(() => ({ challenges: [] }))));
+    calls.push(service.getUserChallenges(user, filter, {})
+      .catch(() => ({ challenges: [] })));
   }
-  return Promise.all(calls).then(([ch, uch]) => ({
+  return Promise.all(calls).then(([ch]) => ({
     uuid,
-    challenges: mapUserWithChallenges(user, ch.challenges, uch),
+    challenges: ch.challenges,
     meta: ch.meta,
     frontFilter,
   }));
@@ -325,7 +339,7 @@ function getUserChallengesInit(uuid) {
 function getUserChallengesDone(userId, tokenV3) {
   const service = getService(tokenV3);
 
-  return service.getUserResources(userId)
+  return service.getUserResources(userId, 1, 10000)
     .then(item => item)
     .catch((error) => {
       fireErrorMessage('Error Getting User Challenges', error.content || error);
diff --git a/src/shared/components/challenge-listing/Listing/index.jsx b/src/shared/components/challenge-listing/Listing/index.jsx
index 88c95ce7dc..12e29b1b91 100644
--- a/src/shared/components/challenge-listing/Listing/index.jsx
+++ b/src/shared/components/challenge-listing/Listing/index.jsx
@@ -21,6 +21,7 @@ function Listing({
   auth,
   challenges,
   challengeTypes,
+  userChallenges,
   challengesUrl,
   communityName,
   extraBucket,
@@ -46,7 +47,7 @@ function Listing({
   pastSearchTimestamp,
   isLoggedIn,
 }) {
-  const buckets = getBuckets(_.get(auth, 'user.userId'));
+  const buckets = getBuckets(userChallenges);
   const isChallengesAvailable = (bucket) => {
     const filter = Filter.getFilterFunction(buckets[bucket].filter);
     const clonedChallenges = _.clone(challenges);
@@ -179,6 +180,7 @@ Listing.defaultProps = {
   // onExpandFilterResult: _.noop,
   openChallengesInNewTabs: false,
   pastSearchTimestamp: 0,
+  userChallenges: [],
 };
 
 Listing.propTypes = {
@@ -214,6 +216,7 @@ Listing.propTypes = {
   setSort: PT.func.isRequired,
   sorts: PT.shape().isRequired,
   pastSearchTimestamp: PT.number,
+  userChallenges: PT.arrayOf(PT.string),
   isLoggedIn: PT.bool.isRequired,
 };
 
diff --git a/src/shared/components/challenge-listing/index.jsx b/src/shared/components/challenge-listing/index.jsx
index 59ccbf868d..4c381ab420 100644
--- a/src/shared/components/challenge-listing/index.jsx
+++ b/src/shared/components/challenge-listing/index.jsx
@@ -115,6 +115,7 @@ export default function ChallengeListing(props) {
         sorts={props.sorts}
         loadMoreActive={props.loadMoreActive}
         loadingActiveChallenges={props.loadingChallenges}
+        userChallenges={props.userChallenges}
         isLoggedIn={isLoggedIn}
       />
     );
@@ -169,6 +170,7 @@ ChallengeListing.defaultProps = {
   expandTag: null,
   loadMoreActive: null,
   isBucketSwitching: false,
+  userChallenges: [],
 };
 
 ChallengeListing.propTypes = {
@@ -205,5 +207,6 @@ ChallengeListing.propTypes = {
   auth: PT.shape(),
   loadMoreActive: PT.func,
   isBucketSwitching: PT.bool,
+  userChallenges: PT.arrayOf(PT.string),
   isLoggedIn: PT.bool.isRequired,
 };
diff --git a/src/shared/containers/challenge-listing/Listing/index.jsx b/src/shared/containers/challenge-listing/Listing/index.jsx
index 3764fc6b24..8b27e52269 100644
--- a/src/shared/containers/challenge-listing/Listing/index.jsx
+++ b/src/shared/containers/challenge-listing/Listing/index.jsx
@@ -149,6 +149,7 @@ export class ListingContainer extends React.Component {
       auth,
       getActiveChallenges,
       lastRequestedPageOfActiveChallenges,
+      getUserChallenges,
     } = this.props;
     const f = this.getBackendFilter();
     getActiveChallenges(
@@ -157,6 +158,10 @@ export class ListingContainer extends React.Component {
       auth.tokenV3,
       f.front,
     );
+    if (auth.tokenV3) {
+      const userId = _.get(auth.user, 'userId');
+      getUserChallenges(userId, auth.tokenV3);
+    }
   }
 
   render() {
@@ -204,6 +209,7 @@ export class ListingContainer extends React.Component {
       sorts,
       hideTcLinksInSidebarFooter,
       isBucketSwitching,
+      userChallenges,
     } = this.props;
 
     const { tokenV3 } = auth;
@@ -306,6 +312,7 @@ export class ListingContainer extends React.Component {
           groupIds={groupIds}
           auth={auth}
           isBucketSwitching={isBucketSwitching}
+          userChallenges={userChallenges}
           isLoggedIn={isLoggedIn}
         />
       </div>
@@ -333,6 +340,7 @@ ListingContainer.defaultProps = {
   queryBucket: BUCKETS.ALL,
   meta: {},
   isBucketSwitching: false,
+  userChallenges: [],
 };
 
 ListingContainer.propTypes = {
@@ -402,6 +410,8 @@ ListingContainer.propTypes = {
   meta: PT.shape(),
   isBucketSwitching: PT.bool,
   selectBucketDone: PT.func.isRequired,
+  userChallenges: PT.arrayOf(PT.string),
+  getUserChallenges: PT.func.isRequired,
 };
 
 const mapStateToProps = (state, ownProps) => {
@@ -445,6 +455,7 @@ const mapStateToProps = (state, ownProps) => {
     isBucketSwitching: cl.sidebar.isBucketSwitching,
     expandedTags: cl.expandedTags,
     meta: cl.meta,
+    userChallenges: cl.userChallenges,
   };
 };
 
@@ -491,6 +502,11 @@ function mapDispatchToProps(dispatch) {
     setSort: (bucket, sort) => dispatch(a.setSort(bucket, sort)),
     markHeaderMenu: () => dispatch(ah.setCurrentNav('Compete', 'All Challenges')),
     expandTag: id => dispatch(a.expandTag(id)),
+    getUserChallenges: (userId, tokenV3) => {
+      const uuid = shortId();
+      dispatch(a.getUserChallengesInit(uuid));
+      dispatch(a.getUserChallengesDone(userId, tokenV3));
+    },
   };
 }
 
diff --git a/src/shared/containers/challenge-listing/Sidebar.jsx b/src/shared/containers/challenge-listing/Sidebar.jsx
index 3f74289e7b..dd89d7795b 100644
--- a/src/shared/containers/challenge-listing/Sidebar.jsx
+++ b/src/shared/containers/challenge-listing/Sidebar.jsx
@@ -57,12 +57,12 @@ export class SidebarContainer extends React.Component {
       setFilter,
       setSearchText,
       tokenV2,
-      user,
       updateAllSavedFilters,
       updateSavedFilter,
+      userChallenges,
     } = this.props;
 
-    const buckets = getBuckets(_.get(user, 'userId', null));
+    const buckets = getBuckets(userChallenges);
 
     if (extraBucket) {
       buckets[extraBucket.name] = extraBucket;
@@ -115,6 +115,7 @@ SidebarContainer.defaultProps = {
   selectedCommunityId: '',
   tokenV2: null,
   user: null,
+  userChallenges: [],
 };
 
 SidebarContainer.propTypes = {
@@ -135,6 +136,7 @@ SidebarContainer.propTypes = {
   updateAllSavedFilters: PT.func.isRequired,
   updateSavedFilter: PT.func.isRequired,
   user: PT.shape(),
+  userChallenges: PT.arrayOf(PT.string),
 };
 
 function mapDispatchToProps(dispatch) {
@@ -167,6 +169,7 @@ function mapStateToProps(state, ownProps) {
     selectedCommunityId: state.challengeListing.selectedCommunityId,
     tokenV2: state.auth.tokenV2,
     user: state.auth.user,
+    userChallenges: state.challengeListing.userChallenges,
   };
 }
 
diff --git a/src/shared/utils/challenge-listing/buckets.js b/src/shared/utils/challenge-listing/buckets.js
index 3327b17777..1d83495beb 100644
--- a/src/shared/utils/challenge-listing/buckets.js
+++ b/src/shared/utils/challenge-listing/buckets.js
@@ -134,9 +134,9 @@ export const NO_LIVE_CHALLENGES_CONFIG = {
  * @param {String} userId id of the authenticated
  * user to filter out My Challenges.
  */
-export function getBuckets(userId) {
+export function getBuckets(userChallenges) {
   const res = _.cloneDeep(BUCKET_DATA);
-  res[BUCKETS.MY].filter.userId = userId;
+  res[BUCKETS.MY].filter.userChallenges = userChallenges;
   return res;
 }
 
diff --git a/src/shared/utils/challenge-listing/helper.js b/src/shared/utils/challenge-listing/helper.js
index c95850e071..192dafcc04 100644
--- a/src/shared/utils/challenge-listing/helper.js
+++ b/src/shared/utils/challenge-listing/helper.js
@@ -29,26 +29,3 @@ export function phaseStartDate(phase) {
   // For all other cases, take the `actualStartDate` as phase is already started
   return new Date(phase.actualStartDate);
 }
-
-/**
- * Map user details with challenges
- *
- * @param {String} userId user id
- * @param {Array} challenges all challenges
- * @param {Array} userChallenges challenges user is participating in
- */
-export function mapUserWithChallenges(userId, challenges, userChallenges) {
-  if (userChallenges) {
-    const map = {};
-    userChallenges.forEach((item) => { map[item.id] = item; });
-    challenges.forEach((item) => {
-      if (map[item.id]) {
-        /* eslint-disable no-param-reassign */
-        item.users[userId] = true;
-        item.userDetails = map[item.id].userDetails;
-        /* eslint-enable no-param-reassign */
-      }
-    });
-  }
-  return challenges;
-}