diff --git a/LEGO1/lego/legoomni/include/carrace.h b/LEGO1/lego/legoomni/include/carrace.h
index 954c1326..38a6e77a 100644
--- a/LEGO1/lego/legoomni/include/carrace.h
+++ b/LEGO1/lego/legoomni/include/carrace.h
@@ -4,6 +4,8 @@
 #include "decomp.h"
 #include "legorace.h"
 
+class RaceSkel;
+
 // VTABLE: LEGO1 0x100d4b70
 // VTABLE: BETA10 0x101bd5f0
 // SIZE 0x2c
@@ -59,14 +61,17 @@ class CarRace : public LegoRace {
 	MxLong HandleType0Notification(MxNotificationParam&) override;      // vtable+0x78
 
 	// FUNCTION: BETA10 0x100cd060
-	undefined4 GetUnk0x150() { return m_unk0x150; }
+	RaceSkel* GetSkeleton() { return m_skeleton; }
+
+	// FUNCTION: BETA10 0x100f16f0
+	void SetSkeleton(RaceSkel* p_skeleton) { m_skeleton = p_skeleton; }
 
 	// SYNTHETIC: LEGO1 0x10016c70
 	// CarRace::`scalar deleting destructor'
 
 private:
 	undefined m_unk0x144[12]; // 0x144
-	undefined4 m_unk0x150;    // 0x150
+	RaceSkel* m_skeleton;     // 0x150
 };
 
 #endif // CARRACE_H
diff --git a/LEGO1/lego/legoomni/include/legoanimactor.h b/LEGO1/lego/legoomni/include/legoanimactor.h
index 72f6bc1c..f74e8c00 100644
--- a/LEGO1/lego/legoomni/include/legoanimactor.h
+++ b/LEGO1/lego/legoomni/include/legoanimactor.h
@@ -28,13 +28,18 @@ struct LegoAnimActorStruct {
 
 // VTABLE: LEGO1 0x100d5440 LegoPathActor
 // VTABLE: LEGO1 0x100d5510 LegoAnimActor
+// VTABLE: BETA10 0x101b81d8 LegoPathActor
+// VTABLE: BETA10 0x101b82c8 LegoAnimActor
 // SIZE 0x174
 class LegoAnimActor : public virtual LegoPathActor {
 public:
+	// FUNCTION: BETA10 0x1000f6c0
 	LegoAnimActor() { m_curAnim = -1; }
+
 	~LegoAnimActor() override;
 
 	// FUNCTION: LEGO1 0x1000fba0
+	// FUNCTION: BETA10 0x10012400
 	const char* ClassName() const override // vtable+0x0c
 	{
 		// STRING: LEGO1 0x100f057c
@@ -42,6 +47,7 @@ class LegoAnimActor : public virtual LegoPathActor {
 	}
 
 	// FUNCTION: LEGO1 0x1000fbc0
+	// FUNCTION: BETA10 0x10012440
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, LegoAnimActor::ClassName()) || LegoPathActor::IsA(p_name);
diff --git a/LEGO1/lego/legoomni/include/legoextraactor.h b/LEGO1/lego/legoomni/include/legoextraactor.h
index d933ff44..dfb880f8 100644
--- a/LEGO1/lego/legoomni/include/legoextraactor.h
+++ b/LEGO1/lego/legoomni/include/legoextraactor.h
@@ -6,6 +6,7 @@
 // VTABLE: LEGO1 0x100d6c00 LegoAnimActor
 // VTABLE: LEGO1 0x100d6c10 LegoPathActor
 // VTABLE: LEGO1 0x100d6cdc LegoExtraActor
+// VTABLE: BETA10 0x101bc2b8 LegoAnimActor
 // SIZE 0x1dc
 class LegoExtraActor : public virtual LegoAnimActor {
 public:
diff --git a/LEGO1/lego/legoomni/include/legoobjectfactory.h b/LEGO1/lego/legoomni/include/legoobjectfactory.h
index e77cb802..4cb450be 100644
--- a/LEGO1/lego/legoomni/include/legoobjectfactory.h
+++ b/LEGO1/lego/legoomni/include/legoobjectfactory.h
@@ -106,6 +106,7 @@
 	X(AnimState)
 
 // VTABLE: LEGO1 0x100d4768
+// VTABLE: BETA10 0x101bccd8
 // SIZE 0x1c8
 class LegoObjectFactory : public MxObjectFactory {
 public:
diff --git a/LEGO1/lego/legoomni/include/raceskel.h b/LEGO1/lego/legoomni/include/raceskel.h
index fca57dde..48830bea 100644
--- a/LEGO1/lego/legoomni/include/raceskel.h
+++ b/LEGO1/lego/legoomni/include/raceskel.h
@@ -3,19 +3,30 @@
 
 #include "legoanimactor.h"
 
-/*
-	VTABLE: LEGO1 0x100d7668 LegoPathActor
-	VTABLE: LEGO1 0x100d7738 LegoAnimActor
-*/
+// VTABLE: LEGO1 0x100d93f8 LegoPathActor
+// VTABLE: LEGO1 0x100d94c8 LegoAnimActor
+// VTABLE: BETA10 0x101bf9d0 LegoPathActor
+// VTABLE: BETA10 0x101bfac0 LegoAnimActor
 // SIZE 0x178
 class RaceSkel : public LegoAnimActor {
 public:
 	RaceSkel();
+	~RaceSkel() override;
+
+	void ParseAction(char* p_extra) override; // vtable+0x20
+
+	MxResult FUN_1001c360(float p_und, Matrix4& p_transform) override;
 
 	void GetCurrentAnimData(float* p_outCurAnimPosition, float* p_outCurAnimDuration);
 
+	// SYNTHETIC: LEGO1 0x10071cf0
+	// RaceSkel::`scalar deleting destructor'
+
 private:
 	float m_animPosition; // 0x1c
 };
 
+// GLOBAL: LEGO1 0x100d93f0
+// RaceSkel::`vbtable'
+
 #endif // RACESKEL_H
diff --git a/LEGO1/lego/legoomni/src/common/legoobjectfactory.cpp b/LEGO1/lego/legoomni/src/common/legoobjectfactory.cpp
index 4eebe624..0c4a7314 100644
--- a/LEGO1/lego/legoomni/src/common/legoobjectfactory.cpp
+++ b/LEGO1/lego/legoomni/src/common/legoobjectfactory.cpp
@@ -184,6 +184,7 @@ LegoObjectFactory::LegoObjectFactory()
 }
 
 // FUNCTION: LEGO1 0x10009a90
+// FUNCTION: BETA10 0x100a1021
 MxCore* LegoObjectFactory::Create(const char* p_name)
 {
 	MxCore* object = NULL;
@@ -491,6 +492,10 @@ MxCore* LegoObjectFactory::Create(const char* p_name)
 		object = MxObjectFactory::Create(p_name);
 	}
 
+	// clang-format off
+	assert(object!=NULL);
+	// clang-format on
+
 	return object;
 }
 
diff --git a/LEGO1/lego/legoomni/src/entity/legoworld.cpp b/LEGO1/lego/legoomni/src/entity/legoworld.cpp
index fd449d52..b8cdc37e 100644
--- a/LEGO1/lego/legoomni/src/entity/legoworld.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoworld.cpp
@@ -541,6 +541,7 @@ void LegoWorld::Remove(MxCore* p_object)
 }
 
 // FUNCTION: LEGO1 0x100213a0
+// FUNCTION: BETA10 0x100db027
 MxCore* LegoWorld::Find(const char* p_class, const char* p_name)
 {
 	if (!strcmp(p_class, "MxControlPresenter")) {
diff --git a/LEGO1/lego/legoomni/src/paths/legoanimactor.cpp b/LEGO1/lego/legoomni/src/paths/legoanimactor.cpp
index eaad8ba9..a8180af8 100644
--- a/LEGO1/lego/legoomni/src/paths/legoanimactor.cpp
+++ b/LEGO1/lego/legoomni/src/paths/legoanimactor.cpp
@@ -37,6 +37,7 @@ float LegoAnimActorStruct::GetDuration()
 }
 
 // FUNCTION: LEGO1 0x1001c140
+// FUNCTION: BETA10 0x1003dfe4
 LegoAnimActor::~LegoAnimActor()
 {
 	for (MxS32 i = 0; i < m_animMaps.size(); i++) {
@@ -89,9 +90,12 @@ void LegoAnimActor::VTable0x70(float p_float)
 }
 
 // FUNCTION: LEGO1 0x1001c360
+// FUNCTION: BETA10 0x1003e2d3
 MxResult LegoAnimActor::FUN_1001c360(float p_und, Matrix4& p_transform)
 {
 	if (p_und >= 0) {
+		assert((m_curAnim >= 0) && (m_curAnim < m_animMaps.size()));
+
 		LegoROI** roiMap = m_animMaps[m_curAnim]->m_roiMap;
 		MxU32 numROIs = m_animMaps[m_curAnim]->m_numROIs;
 
@@ -108,7 +112,11 @@ MxResult LegoAnimActor::FUN_1001c360(float p_und, Matrix4& p_transform)
 			}
 		}
 		else {
-			LegoTreeNode* root = m_animMaps[m_curAnim]->m_AnimTreePtr->GetRoot();
+			// name verified by BETA10 0x1003e407
+			LegoTreeNode* n = m_animMaps[m_curAnim]->m_AnimTreePtr->GetRoot();
+
+			assert(roiMap && n && m_roi && m_boundary);
+
 			m_roi->SetVisibility(TRUE);
 
 			for (MxU32 i = 0; i < numROIs; i++) {
@@ -119,8 +127,8 @@ MxResult LegoAnimActor::FUN_1001c360(float p_und, Matrix4& p_transform)
 				}
 			}
 
-			for (MxS32 j = 0; j < root->GetNumChildren(); j++) {
-				LegoROI::FUN_100a8e80(root->GetChild(j), p_transform, p_und, roiMap);
+			for (MxS32 j = 0; j < n->GetNumChildren(); j++) {
+				LegoROI::FUN_100a8e80(n->GetChild(j), p_transform, p_und, roiMap);
 			}
 
 			if (m_cameraFlag) {
@@ -192,6 +200,7 @@ void LegoAnimActor::SetWorldSpeed(MxFloat p_worldSpeed)
 }
 
 // FUNCTION: LEGO1 0x1001c920
+// FUNCTION: BETA10 0x1003e914
 void LegoAnimActor::ParseAction(char* p_extra)
 {
 	LegoPathActor::ParseAction(p_extra);
@@ -201,17 +210,20 @@ void LegoAnimActor::ParseAction(char* p_extra)
 
 	if (world) {
 		if (KeyValueStringParse(value, g_strANIMATION, p_extra)) {
+			// name verified by BETA10 0x1003ea46
 			char* token = strtok(value, g_parseExtraTokens);
 
 			while (token) {
-				LegoLocomotionAnimPresenter* presenter =
-					(LegoLocomotionAnimPresenter*) world->Find("LegoAnimPresenter", token);
+				// name verified by BETA10 0x1003e9f5
+				LegoLocomotionAnimPresenter* p = (LegoLocomotionAnimPresenter*) world->Find("LegoAnimPresenter", token);
 
-				if (presenter != NULL) {
+				assert(p);
+
+				if (p != NULL) {
 					token = strtok(NULL, g_parseExtraTokens);
 
 					if (token) {
-						presenter->FUN_1006d680(this, atof(token));
+						p->FUN_1006d680(this, atof(token));
 					}
 				}
 
diff --git a/LEGO1/lego/legoomni/src/race/carrace.cpp b/LEGO1/lego/legoomni/src/race/carrace.cpp
index 5552df4d..6ffb2ebd 100644
--- a/LEGO1/lego/legoomni/src/race/carrace.cpp
+++ b/LEGO1/lego/legoomni/src/race/carrace.cpp
@@ -7,7 +7,7 @@ DECOMP_SIZE_ASSERT(CarRace, 0x154)
 // FUNCTION: LEGO1 0x10016a90
 CarRace::CarRace()
 {
-	this->m_unk0x150 = 0;
+	this->m_skeleton = NULL;
 	this->m_unk0x130 = MxRect32(0x16c, 0x154, 0x1ec, 0x15e);
 }
 
diff --git a/LEGO1/lego/legoomni/src/race/legoracers.cpp b/LEGO1/lego/legoomni/src/race/legoracers.cpp
index d9f15050..7a60d59c 100644
--- a/LEGO1/lego/legoomni/src/race/legoracers.cpp
+++ b/LEGO1/lego/legoomni/src/race/legoracers.cpp
@@ -304,11 +304,10 @@ MxU32 LegoRaceCar::HandleSkeletonKicks(float p_param1)
 {
 	const SkeletonKickPhase* current = g_skeletonKickPhases;
 
-	// TODO: Type is guesswork so far
 	CarRace* r = (CarRace*) CurrentWorld(); // called `r` in BETA10
 	assert(r);
 
-	RaceSkel* s = (RaceSkel*) r->GetUnk0x150(); // called `s` in BETA10
+	RaceSkel* s = r->GetSkeleton(); // called `s` in BETA10
 	assert(s);
 
 	float skeletonCurAnimPosition;
diff --git a/LEGO1/lego/legoomni/src/race/raceskel.cpp b/LEGO1/lego/legoomni/src/race/raceskel.cpp
index 2d5c71bf..213e788d 100644
--- a/LEGO1/lego/legoomni/src/race/raceskel.cpp
+++ b/LEGO1/lego/legoomni/src/race/raceskel.cpp
@@ -1,13 +1,53 @@
 #include "raceskel.h"
 
+#include "carrace.h"
+#include "legoworld.h"
+#include "misc.h"
+
 #include <assert.h>
 
 DECOMP_SIZE_ASSERT(RaceSkel, 0x178)
 
-// STUB: LEGO1 0x100719b0
+// FUNCTION: LEGO1 0x100719b0
+// FUNCTION: BETA10 0x100f1240
 RaceSkel::RaceSkel()
 {
-	// TODO
+	m_animPosition = 0.0f;
+}
+
+// FUNCTION: LEGO1 0x10071ad0
+RaceSkel::~RaceSkel()
+{
+}
+
+// FUNCTION: LEGO1 0x10071b50
+// FUNCTION: BETA10 0x100f13cf
+MxResult RaceSkel::FUN_1001c360(float p_und, Matrix4& p_transform)
+{
+	p_transform[3][0] = -630.0f;
+	p_transform[3][1] = -4.688f;
+	p_transform[3][2] = 323.0f;
+
+	m_animPosition = p_und;
+
+	return LegoAnimActor::FUN_1001c360(p_und, p_transform);
+}
+
+// FUNCTION: LEGO1 0x10071b90
+// FUNCTION: BETA10 0x100f1444
+void RaceSkel::ParseAction(char* p_extra)
+{
+	LegoAnimActor::ParseAction(p_extra);
+
+	// name verified by BETA10 0x100f147d
+	CarRace* w = (CarRace*) CurrentWorld();
+	assert(w);
+	w->SetSkeleton(this);
+
+	assert(m_roi);
+	BoundingSphere sphere = m_roi->GetBoundingSphere();
+	sphere.Radius() *= 100.0f;
+	m_roi->SetBoundingSphere(sphere);
 }
 
 // FUNCTION: LEGO1 0x10071cb0
diff --git a/LEGO1/lego/sources/roi/legoroi.h b/LEGO1/lego/sources/roi/legoroi.h
index d570ac56..fb96b2a5 100644
--- a/LEGO1/lego/sources/roi/legoroi.h
+++ b/LEGO1/lego/sources/roi/legoroi.h
@@ -64,6 +64,7 @@ class LegoROI : public ViewROI {
 	const LegoChar* GetName() const { return m_name; }
 
 	LegoEntity* GetEntity() { return m_entity; }
+	BoundingSphere& GetBoundingSphere() { return m_sphere; }
 
 	void SetEntity(LegoEntity* p_entity) { m_entity = p_entity; }
 	void SetComp(CompoundObject* p_comp) { comp = p_comp; }
diff --git a/LEGO1/mxgeometry/mxgeometry3d.h b/LEGO1/mxgeometry/mxgeometry3d.h
index f675a350..0e2e00b3 100644
--- a/LEGO1/mxgeometry/mxgeometry3d.h
+++ b/LEGO1/mxgeometry/mxgeometry3d.h
@@ -21,6 +21,7 @@ class Mx3DPointFloat : public Vector3 {
 	// FUNCTION: BETA10 0x10011600
 	Mx3DPointFloat(const Mx3DPointFloat& p_other) : Vector3(m_elements) { EqualsImpl(p_other.m_data); }
 
+	// FUNCTION: BETA10 0x100151e0
 	Mx3DPointFloat(const Vector3& p_other) : Vector3(m_elements) { EqualsImpl(p_other.m_data); }
 
 	// SYNTHETIC: LEGO1 0x1001d170
diff --git a/LEGO1/omni/include/mxobjectfactory.h b/LEGO1/omni/include/mxobjectfactory.h
index aad3f2b2..4abdf766 100644
--- a/LEGO1/omni/include/mxobjectfactory.h
+++ b/LEGO1/omni/include/mxobjectfactory.h
@@ -19,6 +19,7 @@
 	X(MxLoopingMIDIPresenter)
 
 // VTABLE: LEGO1 0x100dc220
+// VTABLE: BETA10 0x101c2280
 class MxObjectFactory : public MxCore {
 public:
 	MxObjectFactory();
diff --git a/LEGO1/omni/src/common/mxobjectfactory.cpp b/LEGO1/omni/src/common/mxobjectfactory.cpp
index 3722bb0e..3e733dfe 100644
--- a/LEGO1/omni/src/common/mxobjectfactory.cpp
+++ b/LEGO1/omni/src/common/mxobjectfactory.cpp
@@ -25,6 +25,7 @@ MxObjectFactory::MxObjectFactory()
 }
 
 // FUNCTION: LEGO1 0x100b12c0
+// FUNCTION: BETA10 0x10143177
 MxCore* MxObjectFactory::Create(const char* p_name)
 {
 	MxCore* object = NULL;
@@ -43,6 +44,7 @@ MxCore* MxObjectFactory::Create(const char* p_name)
 }
 
 // FUNCTION: LEGO1 0x100b1a30
+// FUNCTION: BETA10 0x10143814
 void MxObjectFactory::Destroy(MxCore* p_object)
 {
 	delete p_object;