diff --git a/sentry_sdk/integrations/aiohttp.py b/sentry_sdk/integrations/aiohttp.py
index bcdd964b8d..5e89658acd 100644
--- a/sentry_sdk/integrations/aiohttp.py
+++ b/sentry_sdk/integrations/aiohttp.py
@@ -34,6 +34,7 @@
     parse_url,
     parse_version,
     reraise,
+    set_thread_info_from_span,
     transaction_from_function,
     HAS_REAL_CONTEXTVARS,
     CONTEXTVARS_ERROR_MESSAGE,
@@ -241,6 +242,8 @@ async def on_request_start(session, trace_config_ctx, params):
         data = {
             SPANDATA.HTTP_METHOD: method,
         }
+        set_thread_info_from_span(data, span)
+
         if parsed_url is not None:
             data["url"] = parsed_url.url
             data[SPANDATA.HTTP_QUERY] = parsed_url.query
diff --git a/sentry_sdk/integrations/httpx.py b/sentry_sdk/integrations/httpx.py
index 988778acd0..61ce75734b 100644
--- a/sentry_sdk/integrations/httpx.py
+++ b/sentry_sdk/integrations/httpx.py
@@ -9,6 +9,7 @@
     http_client_status_to_breadcrumb_level,
     logger,
     parse_url,
+    set_thread_info_from_span,
 )
 
 from typing import TYPE_CHECKING
@@ -65,6 +66,8 @@ def send(self, request, **kwargs):
             data = {
                 SPANDATA.HTTP_METHOD: request.method,
             }
+            set_thread_info_from_span(data, span)
+
             if parsed_url is not None:
                 data["url"] = parsed_url.url
                 data[SPANDATA.HTTP_QUERY] = parsed_url.query
diff --git a/sentry_sdk/integrations/stdlib.py b/sentry_sdk/integrations/stdlib.py
index adc0de4f28..2507eb7895 100644
--- a/sentry_sdk/integrations/stdlib.py
+++ b/sentry_sdk/integrations/stdlib.py
@@ -19,6 +19,7 @@
     logger,
     safe_repr,
     parse_url,
+    set_thread_info_from_span,
 )
 
 from typing import TYPE_CHECKING
@@ -102,6 +103,8 @@ def putrequest(self, method, url, *args, **kwargs):
         data = {
             SPANDATA.HTTP_METHOD: method,
         }
+        set_thread_info_from_span(data, span)
+
         if parsed_url is not None:
             data["url"] = parsed_url.url
             data[SPANDATA.HTTP_QUERY] = parsed_url.query
@@ -256,8 +259,8 @@ def sentry_patched_popen_init(self, *a, **kw):
                 thread_id, thread_name = get_current_thread_meta()
                 breadcrumb_data = {
                     "subprocess.pid": self.pid,
-                    "thread.id": thread_id,
-                    "thread.name": thread_name,
+                    SPANDATA.THREAD_ID: thread_id,
+                    SPANDATA.THREAD_NAME: thread_name,
                 }
                 if cwd:
                     breadcrumb_data["subprocess.cwd"] = cwd
diff --git a/sentry_sdk/tracing.py b/sentry_sdk/tracing.py
index 92ac4d7671..20c3f3ffac 100644
--- a/sentry_sdk/tracing.py
+++ b/sentry_sdk/tracing.py
@@ -247,6 +247,8 @@ def __init__(
                 if status is not None:
                     self.set_status(status)
 
+                self.update_active_thread()
+
     def __eq__(self, other):
         # type: (object) -> bool
         if not isinstance(other, Span):
diff --git a/sentry_sdk/utils.py b/sentry_sdk/utils.py
index bb5aaf65e2..1420f41501 100644
--- a/sentry_sdk/utils.py
+++ b/sentry_sdk/utils.py
@@ -29,6 +29,7 @@
     DEFAULT_ADD_FULL_STACK,
     DEFAULT_MAX_STACK_FRAMES,
     DEFAULT_MAX_VALUE_LENGTH,
+    SPANDATA,
     EndpointType,
 )
 from sentry_sdk._types import Annotated, AnnotatedValue, SENSITIVE_DATA_SUBSTITUTE
@@ -1941,3 +1942,11 @@ def http_client_status_to_breadcrumb_level(status_code):
             return "warning"
 
     return "info"
+
+
+def set_thread_info_from_span(data, span):
+    # type: (Dict[str, Any], sentry_sdk.tracing.Span) -> None
+    if span.get_attribute(SPANDATA.THREAD_ID) is not None:
+        data[SPANDATA.THREAD_ID] = span.get_attribute(SPANDATA.THREAD_ID)
+        if span.get_attribute(SPANDATA.THREAD_NAME) is not None:
+            data[SPANDATA.THREAD_NAME] = span.get_attribute(SPANDATA.THREAD_NAME)