diff --git a/hta/common/constants.py b/hta/common/constants.py
index 52e4bd97..d984fe65 100644
--- a/hta/common/constants.py
+++ b/hta/common/constants.py
@@ -6,3 +6,5 @@
 # https://forums.developer.nvidia.com/t/maximum-number-of-operations-in-a-stream/255260
 # We anecdotally see 1022 - 1024 to cause blocking of runtime operations.
 CUDA_MAX_LAUNCH_QUEUE_PER_STREAM: int = 1024
+
+MAX_EVENT_DURATION_US: int = 604_800_000_000
diff --git a/hta/configs/parser_config.py b/hta/configs/parser_config.py
index 4016b401..3cd3cd32 100644
--- a/hta/configs/parser_config.py
+++ b/hta/configs/parser_config.py
@@ -6,6 +6,7 @@
 from typing import Dict, List, Optional, Set, Union
 
 import pandas as pd
+from hta.common.constants import MAX_EVENT_DURATION_US
 from hta.configs.default_values import AttributeSpec, EventArgs, ValueType
 from hta.configs.event_args_yaml_parser import (
     parse_event_args_yaml,
@@ -113,6 +114,8 @@ def __init__(
         # config to convert ts to nearest integer
         self.convert_ts_to_integer = convert_ts_to_integer
 
+        self.max_event_duration_us: Optional[int] = MAX_EVENT_DURATION_US
+
     def clone(self) -> "ParserConfig":
         return copy.deepcopy(self)