diff --git a/lib/src/main/java/growthbook/sdk/java/evaluators/ExperimentEvaluator.java b/lib/src/main/java/growthbook/sdk/java/evaluators/ExperimentEvaluator.java
index 173749f..95c460d 100644
--- a/lib/src/main/java/growthbook/sdk/java/evaluators/ExperimentEvaluator.java
+++ b/lib/src/main/java/growthbook/sdk/java/evaluators/ExperimentEvaluator.java
@@ -30,9 +30,6 @@
 public class ExperimentEvaluator implements IExperimentEvaluator {
 
     private final ConditionEvaluator conditionEvaluator = new ConditionEvaluator();
-    private final GrowthBookJsonUtils jsonUtils = GrowthBookJsonUtils.getInstance();
-    private final ExperimentTracker experimentTracker = new ExperimentTracker();
-
 
     /**
      * Takes Context, Experiment and returns Experiment Result
@@ -311,7 +308,8 @@ public <ValueType> ExperimentResult<ValueType> evaluateExperiment(Experiment<Val
 
         // Fire context.trackingClosure if set and the combination of hashAttribute,
         // hashValue, experiment.key, and variationId has not been tracked before
-        if (!isExperimentTracked(experiment, result)) {
+        ExperimentTracker experimentTracker = context.getGlobal().getExperimentTracker();
+        if (!GrowthBookUtils.isExperimentTracked(experimentTracker, experiment, result)) {
             TrackingCallbackWithUser trackingCallBackWithUser = context.getOptions().getTrackingCallBackWithUser();
 
             if (trackingCallBackWithUser != null) {
@@ -394,23 +392,6 @@ private <ValueType> ExperimentResult<ValueType> getExperimentResult(
                 .build();
     }
 
-    //  Track experiments to trigger callbacks.
-    private <ValueType> boolean isExperimentTracked(Experiment<ValueType> experiment, ExperimentResult<ValueType> result) {
-        String experimentKey = experiment.getKey();
-
-        String key = (
-                result.getHashAttribute() != null ? result.getHashAttribute() : "")
-                + (result.getHashValue() != null ? result.getHashValue() : "")
-                + (experimentKey + result.getVariationId());
-
-        // Add the experiment to the tracker if it doesn't exist.
-        if (!experimentTracker.isExperimentTracked(key)) {
-            experimentTracker.trackExperiment(key);
-        }
-
-        return false;
-    }
-
     private <ValueType> boolean isStickyBucketingEnabledForExperiment(EvaluationContext context,
                                                                       Experiment<ValueType> experiment) {
         return context.getOptions().getStickyBucketService() != null
diff --git a/lib/src/main/java/growthbook/sdk/java/evaluators/FeatureEvaluator.java b/lib/src/main/java/growthbook/sdk/java/evaluators/FeatureEvaluator.java
index 81323a3..972ef6f 100644
--- a/lib/src/main/java/growthbook/sdk/java/evaluators/FeatureEvaluator.java
+++ b/lib/src/main/java/growthbook/sdk/java/evaluators/FeatureEvaluator.java
@@ -1,6 +1,8 @@
 package growthbook.sdk.java.evaluators;
 
 import com.google.gson.JsonObject;
+import growthbook.sdk.java.multiusermode.ExperimentTracker;
+import growthbook.sdk.java.multiusermode.configurations.UserContext;
 import growthbook.sdk.java.util.GrowthBookJsonUtils;
 import growthbook.sdk.java.util.GrowthBookUtils;
 import growthbook.sdk.java.model.ParentCondition;
@@ -280,13 +282,15 @@ public <ValueType> FeatureResult<ValueType> evaluateFeature(
 
                     // If this was a remotely evaluated experiment, fire the tracking callbacks
                     if (trackData != null && trackingCallBackWithUser != null) {
-                        trackData.forEach(t ->
-                                trackingCallBackWithUser.onTrack(
-                                        t.getExperiment(),
-                                        t.getResult().getExperimentResult(),
-                                        context.getUser()
-                                )
-                        );
+                        trackData.forEach(t -> {
+                            ExperimentResult<ValueType> trackedExpResult = t.getResult().getExperimentResult();
+                            Experiment<ValueType> trackedExperiment = t.getExperiment();
+                            ExperimentTracker experimentTracker = context.getGlobal().getExperimentTracker();
+                            UserContext userContext = context.getUser();
+
+                            if (!GrowthBookUtils.isExperimentTracked(experimentTracker, trackedExperiment, trackedExpResult)) {
+                                trackingCallBackWithUser.onTrack(trackedExperiment, trackedExpResult, userContext);
+                            }});
                     }
 
                     if (rule.getRange() == null) {
diff --git a/lib/src/main/java/growthbook/sdk/java/multiusermode/configurations/GlobalContext.java b/lib/src/main/java/growthbook/sdk/java/multiusermode/configurations/GlobalContext.java
index 5385d4a..1cedf7e 100644
--- a/lib/src/main/java/growthbook/sdk/java/multiusermode/configurations/GlobalContext.java
+++ b/lib/src/main/java/growthbook/sdk/java/multiusermode/configurations/GlobalContext.java
@@ -3,6 +3,7 @@
 import com.google.gson.JsonObject;
 import growthbook.sdk.java.model.Experiment;
 import growthbook.sdk.java.model.Feature;
+import growthbook.sdk.java.multiusermode.ExperimentTracker;
 import lombok.Builder;
 import lombok.Data;
 import lombok.Getter;
@@ -48,4 +49,7 @@ public class GlobalContext {
     @Getter
     @Nullable
     private Map<String, Object> forcedFeatureValues;
+
+    @Getter
+    private final ExperimentTracker experimentTracker = new ExperimentTracker();
 }
diff --git a/lib/src/main/java/growthbook/sdk/java/multiusermode/configurations/Options.java b/lib/src/main/java/growthbook/sdk/java/multiusermode/configurations/Options.java
index e9f62ca..dc6e71e 100644
--- a/lib/src/main/java/growthbook/sdk/java/multiusermode/configurations/Options.java
+++ b/lib/src/main/java/growthbook/sdk/java/multiusermode/configurations/Options.java
@@ -11,7 +11,6 @@
 import growthbook.sdk.java.repository.FeatureRefreshStrategy;
 import growthbook.sdk.java.stickyBucketing.InMemoryStickyBucketServiceImpl;
 import growthbook.sdk.java.stickyBucketing.StickyBucketService;
-import growthbook.sdk.java.util.ExperimentHelper;
 import lombok.Builder;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
diff --git a/lib/src/main/java/growthbook/sdk/java/util/ExperimentHelper.java b/lib/src/main/java/growthbook/sdk/java/util/ExperimentHelper.java
index 0e138bd..6b8aadf 100644
--- a/lib/src/main/java/growthbook/sdk/java/util/ExperimentHelper.java
+++ b/lib/src/main/java/growthbook/sdk/java/util/ExperimentHelper.java
@@ -3,19 +3,20 @@
 import growthbook.sdk.java.model.Experiment;
 import growthbook.sdk.java.model.ExperimentResult;
 
+import javax.annotation.Nullable;
 import java.util.HashSet;
 import java.util.Set;
 
 public class ExperimentHelper {
     private final Set<String> trackedExperiments = new HashSet<>();
 
-    public <ValueType> boolean isTracked(Experiment<ValueType> experiment, ExperimentResult<ValueType> result) {
+    public <ValueType> boolean isTracked(Experiment<ValueType> experiment, @Nullable ExperimentResult<ValueType> result) {
         String experimentKey = experiment.getKey();
+        String hashAttribute = (result != null && result.getHashAttribute() != null) ? result.getHashAttribute() : "";
+        String hashValue = (result != null && result.getHashValue() != null) ? result.getHashValue() : "";
+        String variationId = (result != null) ? String.valueOf(result.getVariationId()) : "";
 
-        String key = (
-                result.getHashAttribute() != null ? result.getHashAttribute() : "")
-                + (result.getHashValue() != null ? result.getHashValue() : "")
-                + (experimentKey + result.getVariationId());
+        String key = hashAttribute + hashValue + experimentKey + variationId;
 
         if (trackedExperiments.contains(key)) {
             return true;
diff --git a/lib/src/main/java/growthbook/sdk/java/util/GrowthBookUtils.java b/lib/src/main/java/growthbook/sdk/java/util/GrowthBookUtils.java
index 2a63c69..2452d04 100644
--- a/lib/src/main/java/growthbook/sdk/java/util/GrowthBookUtils.java
+++ b/lib/src/main/java/growthbook/sdk/java/util/GrowthBookUtils.java
@@ -4,6 +4,8 @@
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonPrimitive;
+import growthbook.sdk.java.model.Experiment;
+import growthbook.sdk.java.model.ExperimentResult;
 import growthbook.sdk.java.model.GeneratedStickyBucketAssignmentDocModel;
 import growthbook.sdk.java.model.BucketRange;
 import growthbook.sdk.java.model.Feature;
@@ -14,6 +16,7 @@
 import growthbook.sdk.java.model.Namespace;
 import growthbook.sdk.java.model.StickyBucketVariation;
 import growthbook.sdk.java.model.VariationMeta;
+import growthbook.sdk.java.multiusermode.ExperimentTracker;
 import growthbook.sdk.java.multiusermode.configurations.EvaluationContext;
 import growthbook.sdk.java.model.StickyAssignmentsDocument;
 import growthbook.sdk.java.multiusermode.util.TransformationUtil;
@@ -889,4 +892,28 @@ public static  <K, V> Map<K, V> mergeMaps(List<Map<K, V>> maps) {
                 );
 
     }
+
+    //  Track experiments to trigger callbacks.
+    public static  <ValueType> boolean isExperimentTracked(ExperimentTracker experimentTracker,
+                                                           Experiment<ValueType> experiment,
+                                                           @Nullable ExperimentResult<ValueType> result) {
+        if (result == null) {
+            return false;
+        }
+        String experimentKey = experiment.getKey();
+
+        String key = (
+                result.getHashAttribute() != null ? result.getHashAttribute() : "")
+                + (result.getHashValue() != null ? result.getHashValue() : "")
+                + (experimentKey + result.getVariationId());
+
+        boolean alreadyTracked = experimentTracker.isExperimentTracked(key);
+
+        // Add the experiment to the tracker if it doesn't exist.
+        if (!alreadyTracked) {
+            experimentTracker.trackExperiment(key);
+        }
+
+        return alreadyTracked;
+    }
 }