diff --git a/modules/boost.assign/1.83.0.bcr.1/MODULE.bazel b/modules/boost.assign/1.83.0.bcr.1/MODULE.bazel
new file mode 100644
index 00000000000..59feda5f90d
--- /dev/null
+++ b/modules/boost.assign/1.83.0.bcr.1/MODULE.bazel
@@ -0,0 +1,21 @@
+module(
+    name = "boost.assign",
+    version = "1.83.0.bcr.1",
+    bazel_compatibility = [">=7.2.1"],
+    compatibility_level = 108300,
+)
+
+bazel_dep(name = "boost.array", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.config", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.core", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.move", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.multi_index", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.preprocessor", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.ptr_container", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.range", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.static_assert", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.test", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.throw_exception", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.tuple", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.type_traits", version = "1.83.0.bcr.1")
+bazel_dep(name = "rules_cc", version = "0.0.14")
diff --git a/modules/boost.assign/1.83.0.bcr.1/overlay/BUILD.bazel b/modules/boost.assign/1.83.0.bcr.1/overlay/BUILD.bazel
new file mode 100644
index 00000000000..d5694322ca9
--- /dev/null
+++ b/modules/boost.assign/1.83.0.bcr.1/overlay/BUILD.bazel
@@ -0,0 +1,33 @@
+load("@rules_cc//cc:defs.bzl", "cc_library")
+
+package(default_visibility = ["//visibility:public"])
+
+cc_library(
+    name = "boost.assign",
+    hdrs = glob(
+        [
+            "include/**/*.hpp",
+        ],
+        exclude = [
+            "include/boost/assign.hpp",
+        ],
+    ),
+    features = [
+        "parse_headers",
+    ],
+    includes = ["include"],
+    textual_hdrs = ["include/boost/assign.hpp"],
+    deps = [
+        "@boost.array",
+        "@boost.config",
+        "@boost.core",
+        "@boost.move",
+        "@boost.preprocessor",
+        "@boost.ptr_container",
+        "@boost.range",
+        "@boost.static_assert",
+        "@boost.throw_exception",
+        "@boost.tuple",
+        "@boost.type_traits",
+    ],
+)
diff --git a/modules/boost.assign/1.83.0.bcr.1/overlay/MODULE.bazel b/modules/boost.assign/1.83.0.bcr.1/overlay/MODULE.bazel
new file mode 100644
index 00000000000..59feda5f90d
--- /dev/null
+++ b/modules/boost.assign/1.83.0.bcr.1/overlay/MODULE.bazel
@@ -0,0 +1,21 @@
+module(
+    name = "boost.assign",
+    version = "1.83.0.bcr.1",
+    bazel_compatibility = [">=7.2.1"],
+    compatibility_level = 108300,
+)
+
+bazel_dep(name = "boost.array", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.config", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.core", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.move", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.multi_index", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.preprocessor", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.ptr_container", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.range", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.static_assert", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.test", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.throw_exception", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.tuple", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.type_traits", version = "1.83.0.bcr.1")
+bazel_dep(name = "rules_cc", version = "0.0.14")
diff --git a/modules/boost.assign/1.83.0.bcr.1/presubmit.yml b/modules/boost.assign/1.83.0.bcr.1/presubmit.yml
new file mode 100644
index 00000000000..6d2d5d7f11d
--- /dev/null
+++ b/modules/boost.assign/1.83.0.bcr.1/presubmit.yml
@@ -0,0 +1,20 @@
+matrix:
+  platform:
+    - debian10
+    - debian11
+    - macos
+    - macos_arm64
+    - ubuntu2004
+    - ubuntu2204
+    - ubuntu2404
+    - windows
+  bazel: [7.x, rolling]
+tasks:
+  verify_targets:
+    name: Verify build targets
+    platform: ${{ platform }}
+    bazel: ${{ bazel }}
+    build_flags:
+      - '--process_headers_in_dependencies'
+    build_targets:
+      - '@boost.assign//:boost.assign'
diff --git a/modules/boost.assign/1.83.0.bcr.1/source.json b/modules/boost.assign/1.83.0.bcr.1/source.json
new file mode 100644
index 00000000000..d9db00eb780
--- /dev/null
+++ b/modules/boost.assign/1.83.0.bcr.1/source.json
@@ -0,0 +1,9 @@
+{
+    "integrity": "sha256-HHZKV4rwNH+NGldsGo7YQ7goD0oDXPIH48y+N3I58CI=",
+    "strip_prefix": "assign-boost-1.83.0",
+    "url": "https://github.com/boostorg/assign/archive/refs/tags/boost-1.83.0.tar.gz",
+    "overlay": {
+        "BUILD.bazel": "sha256-7EmzmzMy3eS0hq5YlE7RFxhZr4phb+Ou66ThsDIQNoQ=",
+        "MODULE.bazel": "sha256-sWIF6LDbOXXxPbS7dIMXa9IFOQo8j5vTTXUWOkImMiw="
+    }
+}
diff --git a/modules/boost.assign/metadata.json b/modules/boost.assign/metadata.json
index 278765c32f3..4cbffc15691 100644
--- a/modules/boost.assign/metadata.json
+++ b/modules/boost.assign/metadata.json
@@ -18,6 +18,7 @@
         "github:boostorg/assign"
     ],
     "versions": [
+        "1.83.0.bcr.1",
         "1.87.0",
         "1.88.0.bcr.1",
         "1.88.0.bcr.2",
diff --git a/modules/boost.timer/1.83.0.bcr.1/MODULE.bazel b/modules/boost.timer/1.83.0.bcr.1/MODULE.bazel
new file mode 100644
index 00000000000..84767f1607c
--- /dev/null
+++ b/modules/boost.timer/1.83.0.bcr.1/MODULE.bazel
@@ -0,0 +1,17 @@
+module(
+    name = "boost.timer",
+    version = "1.83.0.bcr.1",
+    bazel_compatibility = [">=7.2.1"],  # need support for "overlay" directory
+    compatibility_level = 108300,
+)
+
+bazel_dep(name = "boost.config", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.io", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.predef", version = "1.83.0.bcr.1")
+bazel_dep(name = "platforms", version = "0.0.10")
+bazel_dep(name = "rules_cc", version = "0.0.14")
+
+# For tests
+bazel_dep(name = "boost.chrono", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.core", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.detail", version = "1.83.0.bcr.1")
diff --git a/modules/boost.timer/1.83.0.bcr.1/overlay/BUILD.bazel b/modules/boost.timer/1.83.0.bcr.1/overlay/BUILD.bazel
new file mode 100644
index 00000000000..5fb6801a98c
--- /dev/null
+++ b/modules/boost.timer/1.83.0.bcr.1/overlay/BUILD.bazel
@@ -0,0 +1,66 @@
+load("@rules_cc//cc:defs.bzl", "cc_library", "cc_test")
+
+cc_library(
+    name = "boost.timer",
+    srcs = glob(["src/*.cpp"]),
+    hdrs = glob(
+        ["include/**/*.hpp"],
+        # These headers are deprecated and should not be used.
+        exclude = [
+            "include/boost/progress.hpp",
+            "include/boost/timer.hpp",
+        ],
+    ),
+    features = ["parse_headers"],
+    includes = ["include"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "@boost.config",
+        "@boost.io",
+        "@boost.predef",
+    ],
+)
+
+cc_test(
+    name = "chrono_conflict_test",
+    srcs = ["test/chrono_conflict_test.cpp"],
+    deps = [
+        ":boost.timer",
+        "@boost.chrono",
+    ],
+)
+
+cc_test(
+    name = "cpu_timer_info_test",
+    srcs = ["test/cpu_timer_info.cpp"],
+    local_defines = select({
+        "@platforms//os:windows": ["BOOST_ALL_NO_LIB"],
+        "//conditions:default": [],
+    }),
+    deps = [
+        ":boost.timer",
+        "@boost.detail",
+    ],
+)
+
+cc_test(
+    name = "cpu_timer_test",
+    srcs = ["test/cpu_timer_test.cpp"],
+    local_defines = select({
+        "@platforms//os:windows": ["BOOST_ALL_NO_LIB"],
+        "//conditions:default": [],
+    }),
+    deps = [
+        ":boost.timer",
+        "@boost.detail",
+    ],
+)
+
+cc_test(
+    name = "progress_display_test",
+    srcs = ["test/progress_display_test.cpp"],
+    deps = [
+        ":boost.timer",
+        "@boost.core",
+    ],
+)
diff --git a/modules/boost.timer/1.83.0.bcr.1/overlay/MODULE.bazel b/modules/boost.timer/1.83.0.bcr.1/overlay/MODULE.bazel
new file mode 100644
index 00000000000..84767f1607c
--- /dev/null
+++ b/modules/boost.timer/1.83.0.bcr.1/overlay/MODULE.bazel
@@ -0,0 +1,17 @@
+module(
+    name = "boost.timer",
+    version = "1.83.0.bcr.1",
+    bazel_compatibility = [">=7.2.1"],  # need support for "overlay" directory
+    compatibility_level = 108300,
+)
+
+bazel_dep(name = "boost.config", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.io", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.predef", version = "1.83.0.bcr.1")
+bazel_dep(name = "platforms", version = "0.0.10")
+bazel_dep(name = "rules_cc", version = "0.0.14")
+
+# For tests
+bazel_dep(name = "boost.chrono", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.core", version = "1.83.0.bcr.1")
+bazel_dep(name = "boost.detail", version = "1.83.0.bcr.1")
diff --git a/modules/boost.timer/1.83.0.bcr.1/presubmit.yml b/modules/boost.timer/1.83.0.bcr.1/presubmit.yml
new file mode 100644
index 00000000000..4646a422190
--- /dev/null
+++ b/modules/boost.timer/1.83.0.bcr.1/presubmit.yml
@@ -0,0 +1,24 @@
+matrix:
+  platform:
+    - debian10
+    - debian11
+    - ubuntu2004
+    - ubuntu2204
+    - ubuntu2404
+    - macos
+    - macos_arm64
+    - windows
+  bazel: [7.x, rolling]
+tasks:
+  verify_targets:
+    platform: ${{ platform }}
+    bazel: ${{ bazel }}
+    build_flags:
+      - "--process_headers_in_dependencies"
+    build_targets:
+      - "@boost.timer"
+    test_flags:
+      - "--process_headers_in_dependencies"
+    test_targets:
+      - "@boost.timer//:all"
+
diff --git a/modules/boost.timer/1.83.0.bcr.1/source.json b/modules/boost.timer/1.83.0.bcr.1/source.json
new file mode 100644
index 00000000000..b4cdfc5c7a3
--- /dev/null
+++ b/modules/boost.timer/1.83.0.bcr.1/source.json
@@ -0,0 +1,9 @@
+{
+    "url": "https://github.com/boostorg/timer/archive/refs/tags/boost-1.83.0.tar.gz",
+    "integrity": "sha256-CGzESZRhRsrUlZCiwYSbcpJehk2qMWt7dHvEvgeFht8=",
+    "strip_prefix": "timer-boost-1.83.0",
+    "overlay": {
+        "BUILD.bazel": "sha256-yon4tnV0Qr3tqLtSYYoUJwz88QVfBExIrtEuoaGYZCU=",
+        "MODULE.bazel": "sha256-u3Nvlt1SmQKh7v8550716RFBMsSNDiisy0TqBAG7sTQ="
+    }
+}
diff --git a/modules/boost.timer/metadata.json b/modules/boost.timer/metadata.json
index 2c10b91c5b5..04a4888d9bf 100644
--- a/modules/boost.timer/metadata.json
+++ b/modules/boost.timer/metadata.json
@@ -18,6 +18,7 @@
         "github:boostorg/timer"
     ],
     "versions": [
+        "1.83.0.bcr.1",
         "1.87.0",
         "1.88.0.bcr.1",
         "1.88.0.bcr.2",