diff --git a/source/WorldServer/Entity.cpp b/source/WorldServer/Entity.cpp
index c4832d7..2211a8f 100644
--- a/source/WorldServer/Entity.cpp
+++ b/source/WorldServer/Entity.cpp
@@ -383,6 +383,7 @@ void Entity::MapInfoStruct()
 	
 	get_float_funcs["max_spell_reduction"] = l::bind(&InfoStruct::get_max_spell_reduction, &info_struct);
 	get_int8_funcs["max_spell_reduction_override"] = l::bind(&InfoStruct::get_max_spell_reduction_override, &info_struct);
+	get_float_funcs["max_chase_distance"] = l::bind(&InfoStruct::get_max_chase_distance, &info_struct);
 
 /** SETS **/
 	set_string_funcs["name"] = l::bind(&InfoStruct::set_name, &info_struct, l::_1);
@@ -590,6 +591,7 @@ void Entity::MapInfoStruct()
 
 	set_float_funcs["max_spell_reduction"] = l::bind(&InfoStruct::set_max_spell_reduction, &info_struct, l::_1);
 	set_int8_funcs["max_spell_reduction_override"] = l::bind(&InfoStruct::set_max_spell_reduction_override, &info_struct, l::_1);
+	set_float_funcs["max_chase_distance"] = l::bind(&InfoStruct::set_max_chase_distance, &info_struct, l::_1);
 }
 
 bool Entity::HasMoved(bool include_heading){
diff --git a/source/WorldServer/Entity.h b/source/WorldServer/Entity.h
index 9fefb1f..8a993cf 100644
--- a/source/WorldServer/Entity.h
+++ b/source/WorldServer/Entity.h
@@ -297,6 +297,7 @@ struct InfoStruct{
 		
 		max_spell_reduction_ = .1f;
 		max_spell_reduction_override_ = 0;
+		max_chase_distance_ = 0.0f;
 	}
 
 
@@ -504,6 +505,7 @@ struct InfoStruct{
 		
 		max_spell_reduction_ = oldStruct->get_max_spell_reduction();
 		max_spell_reduction_override_ = oldStruct->get_max_spell_reduction_override();
+		max_chase_distance_ = oldStruct->get_max_chase_distance();
 	}
 	//mutable std::shared_mutex mutex_;
     std::string get_name() { std::lock_guard<std::mutex> lk(classMutex); return name_; }
@@ -731,6 +733,8 @@ struct InfoStruct{
 	float	get_max_spell_reduction() { std::lock_guard<std::mutex> lk(classMutex); return max_spell_reduction_; }
 	int8	get_max_spell_reduction_override() { std::lock_guard<std::mutex> lk(classMutex); return max_spell_reduction_override_; }
 	
+	float	get_max_chase_distance() { std::lock_guard<std::mutex> lk(classMutex); return max_chase_distance_; }
+	
 	void	set_name(std::string value) { std::lock_guard<std::mutex> lk(classMutex); name_ = value; }
 	
 	void	set_deity(std::string value) { std::lock_guard<std::mutex> lk(classMutex); deity_ = value; }
@@ -926,6 +930,8 @@ struct InfoStruct{
 	void	set_rain(float value) { std::lock_guard<std::mutex> lk(classMutex); if(value > 1.0f) value = 1.0f; else if(value < 0.0f) value = 0.0f; rain_ = value; }
 	void	set_wind(float value) { std::lock_guard<std::mutex> lk(classMutex); if(value > 1.0f) value = 1.0f; else if(value < 0.0f) value = 0.0f; wind_ = value; }
 
+	void	set_max_chase_distance(float value) { std::lock_guard<std::mutex> lk(classMutex); max_chase_distance_ = value; }
+	
 	void	add_block_chance(float value) { std::lock_guard<std::mutex> lk(classMutex); if(block_chance_ + value < 0.0f) block_chance_ = 0.0f; else block_chance_ += value; }
 	void	add_uncontested_parry(float value) { std::lock_guard<std::mutex> lk(classMutex); if(uncontested_parry_ + value < 0.0f) uncontested_parry_ = 0.0f; else uncontested_parry_ += value; }
 	void	add_uncontested_block(float value) { std::lock_guard<std::mutex> lk(classMutex); if(uncontested_block_ + value < 0.0f) uncontested_block_ = 0.0f; else uncontested_block_ += value; }
@@ -1273,6 +1279,7 @@ private:
 	float			max_spell_reduction_;
 	int8			max_spell_reduction_override_;
 	
+	float			max_chase_distance_;
 	// when PacketStruct is fixed for C++17 this should become a shared_mutex and handle read/write lock
 	std::mutex		classMutex;
 };
diff --git a/source/WorldServer/NPC_AI.cpp b/source/WorldServer/NPC_AI.cpp
index 07a9086..861ab6b 100644
--- a/source/WorldServer/NPC_AI.cpp
+++ b/source/WorldServer/NPC_AI.cpp
@@ -93,7 +93,15 @@ void Brain::Think() {
 			if (m_body->IsWaterCreature() && !m_body->IsFlyingCreature() && !target->InWater())
 				breakWaterPursuit = true;
 			// Check to see if the NPC has exceeded the max chase distance
-			if (run_back_distance > MAX_CHASE_DISTANCE || breakWaterPursuit) {
+			float maxChaseDist = MAX_CHASE_DISTANCE;
+			
+			if(m_body->GetInfoStruct()->get_max_chase_distance() > 0.0f) {
+				maxChaseDist = m_body->GetInfoStruct()->get_max_chase_distance();
+			}
+			else if(rule_manager.GetZoneRule(m_body->GetZoneID(), R_Combat, MaxChaseDistance)->GetFloat() > 0.0f) {
+				maxChaseDist = rule_manager.GetZoneRule(m_body->GetZoneID(), R_Combat, MaxChaseDistance)->GetFloat();
+			}
+			if (run_back_distance > maxChaseDist || breakWaterPursuit) {
 				LogWrite(NPC_AI__DEBUG, 7, "NPC_AI", "Run back distance is greater then max chase distance, run_back_distance = %f", run_back_distance);
 				// Over the max chase distance, Check to see if the target is is a client
 				if (target->IsPlayer() && ((Player*)target)->GetClient())
diff --git a/source/WorldServer/Rules/Rules.cpp b/source/WorldServer/Rules/Rules.cpp
index 9953373..16ccbc2 100644
--- a/source/WorldServer/Rules/Rules.cpp
+++ b/source/WorldServer/Rules/Rules.cpp
@@ -273,6 +273,7 @@ void RuleManager::Init()
 	RULE_INIT(R_Combat, StrengthOther, "25"); // divider for strength other than NPC str/x = additional dmg to low/high dmg
 	RULE_INIT(R_Combat, MaxSkillBonusByLevel, "1.5"); // Level * 1.5 = max bonus skill allowed
 	RULE_INIT(R_Combat, LockedEncounterNoAttack, "1"); // when set to 1, players/group members not part of the encounter cannot attack until /yell
+	RULE_INIT(R_Combat, MaxChaseDistance, "0.0"); // Default is 0, uses hard coded define MAX_CHASE_DISTANCE of 80.0.  If set then this is an override for zone/server level.
 
 	/* SPAWN */
 	RULE_INIT(R_Spawn, SpeedMultiplier, "300"); // note: this value was 1280 until 6/1/2009, then was 600 til Sep 2009, when it became 300...?
diff --git a/source/WorldServer/Rules/Rules.h b/source/WorldServer/Rules/Rules.h
index 758c639..abb1c40 100644
--- a/source/WorldServer/Rules/Rules.h
+++ b/source/WorldServer/Rules/Rules.h
@@ -132,6 +132,7 @@ enum RuleType {
 	StrengthOther,
 	MaxSkillBonusByLevel,
 	LockedEncounterNoAttack,
+	MaxChaseDistance,
 
 	/* SPAWN */
 	SpeedMultiplier,