diff --git a/x/participationrewards/keeper/fuzz_test.go b/x/participationrewards/keeper/fuzz_test.go
new file mode 100644
index 000000000..56d8c5804
--- /dev/null
+++ b/x/participationrewards/keeper/fuzz_test.go
@@ -0,0 +1,53 @@
+package keeper_test
+
+import (
+	"encoding/json"
+	"os"
+	"path/filepath"
+	"testing"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+
+	icstypes "github.com/quicksilver-zone/quicksilver/x/interchainstaking/types"
+	"github.com/quicksilver-zone/quicksilver/x/participationrewards/types"
+)
+
+func FuzzCalcUserScores(f *testing.F) {
+	if testing.Short() {
+		f.Skip("In -short")
+	}
+
+	files, err := filepath.Glob(filepath.Join("testdata", "fuzz-corpus-CalcUserValidatorSectionAllocations-*"))
+	if err != nil {
+		f.Fatal(err)
+	}
+
+	type corpusData struct {
+		Ctx       sdk.Context     `json:"ctx"`
+		Zone      *icstypes.Zone  `json:"zone"`
+		ZoneScore types.ZoneScore `json:"zs"`
+	}
+
+	// 1. Add the corpus.
+	for _, filename := range files {
+		corpusData, err := os.ReadFile(filename)
+		if err != nil {
+			f.Fatal(err)
+		}
+		f.Add(corpusData)
+	}
+
+	ste := new(KeeperTestSuite)
+	ste.SetupTest()
+	appA := ste.GetQuicksilverApp(ste.chainA)
+
+	// 2. Run the fuzzers.
+	f.Fuzz(func(t *testing.T, input []byte) {
+		cj := new(corpusData)
+		if err := json.Unmarshal(input, cj); err != nil {
+			t.Fatal(err)
+		}
+
+		_ = appA.ParticipationRewardsKeeper.CalcUserValidatorSelectionAllocations(cj.Ctx, cj.Zone, cj.ZoneScore)
+	})
+}
diff --git a/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-no allocation.json b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-no allocation.json
new file mode 100644
index 000000000..0893a298b
--- /dev/null
+++ b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-no allocation.json	
@@ -0,0 +1 @@
+{"ctx":{},"zone":{"connection_id":"connection-0","chain_id":"testchain2","withdrawal_address":{"address":"cosmos1ymnsdscyzwkw6hv5rl02mz9cxz2d95ekmenh0c88jvea9xgm62ms57gpn8","balance":[],"port_name":"testchain2.withrawal","withdrawal_address":"cosmos1ymnsdscyzwkw6hv5rl02mz9cxz2d95ekmenh0c88jvea9xgm62ms57gpn8"},"performance_address":{"address":"cosmos14f0cff8mv9ctl8ye6a0f9q45ajcgn78xwg6rj254ftw6mpednvxqsqenc4","balance":[],"port_name":"icacontroller-testchain2.performance","withdrawal_address":"cosmos14f0cff8mv9ctl8ye6a0f9q45ajcgn78xwg6rj254ftw6mpednvxqsqenc4"},"account_prefix":"cosmos","local_denom":"uqatom","base_denom":"uatom","redemption_rate":"0.000000000000000000","last_redemption_rate":"0.000000000000000000","liquidity_module":true,"holdings_allocation":"524585","tvl":"150000000.000000000000000000","deposits_enabled":true,"is_118":true},"zs":{"ZoneID":"testchain2","TotalVotingPower":"0","ValidatorScores":null}}
\ No newline at end of file
diff --git a/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-unit weight intents - default validator scores - different validators.json b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-unit weight intents - default validator scores - different validators.json
new file mode 100644
index 000000000..1528169bb
--- /dev/null
+++ b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-unit weight intents - default validator scores - different validators.json	
@@ -0,0 +1 @@
+{"ctx":{},"zone":{"connection_id":"connection-0","chain_id":"testchain2","withdrawal_address":{"address":"cosmos1dc7xdwzqa5xf93tuzatx03chsn6hs8ggw300qys8hg8s6rfkrygszzy8fl","balance":[],"port_name":"testchain2.withrawal","withdrawal_address":"cosmos1dc7xdwzqa5xf93tuzatx03chsn6hs8ggw300qys8hg8s6rfkrygszzy8fl"},"performance_address":{"address":"cosmos1acmscqnqy6t8l0zkw5h4zd7ls22aj0zqk6lwxlzmt9n6ueaq4zcsnntrg3","balance":[],"port_name":"icacontroller-testchain2.performance","withdrawal_address":"cosmos1acmscqnqy6t8l0zkw5h4zd7ls22aj0zqk6lwxlzmt9n6ueaq4zcsnntrg3"},"account_prefix":"cosmos","local_denom":"uqatom","base_denom":"uatom","redemption_rate":"0.000000000000000000","last_redemption_rate":"0.000000000000000000","liquidity_module":true,"validator_selection_allocation":"5000","holdings_allocation":"524585","tvl":"150000000.000000000000000000","deposits_enabled":true,"is_118":true},"zs":{"ZoneID":"testchain2","TotalVotingPower":"0","ValidatorScores":{"cosmosvaloper1hgfyy9ujf27dgmjsfha02vqjr949rqvrpv6hp2":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1hgfyy9ujf27dgmjsfha02vqjr949rqvrpv6hp2","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1rz5ufx63ef6qpgka24zq0taqs6rgssu7a95j57":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1rz5ufx63ef6qpgka24zq0taqs6rgssu7a95j57","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1xjrr5jee7ww2kmrt3xfuu26rm6g4sv5ypqtdcf":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1xjrr5jee7ww2kmrt3xfuu26rm6g4sv5ypqtdcf","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1zvx38ht3fhx0ymsfv98qg07tgel79k3uf8qvk4":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1zvx38ht3fhx0ymsfv98qg07tgel79k3uf8qvk4","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"}}}}
\ No newline at end of file
diff --git a/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-unit weight intents - default validator scores - same valopaddress.json b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-unit weight intents - default validator scores - same valopaddress.json
new file mode 100644
index 000000000..64575651e
--- /dev/null
+++ b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-unit weight intents - default validator scores - same valopaddress.json	
@@ -0,0 +1 @@
+{"ctx":{},"zone":{"connection_id":"connection-0","chain_id":"testchain2","withdrawal_address":{"address":"cosmos1phe57ldq837un36xqc9rcl6jnnu26gnmp5nkthgz6d6pyf5d0tvqrmu2w2","balance":[],"port_name":"testchain2.withrawal","withdrawal_address":"cosmos1phe57ldq837un36xqc9rcl6jnnu26gnmp5nkthgz6d6pyf5d0tvqrmu2w2"},"performance_address":{"address":"cosmos1mr0gthtygdayp36ercvu3nnelsx4p46daw9vthzum24t0dsteqmsnxymw6","balance":[],"port_name":"icacontroller-testchain2.performance","withdrawal_address":"cosmos1mr0gthtygdayp36ercvu3nnelsx4p46daw9vthzum24t0dsteqmsnxymw6"},"account_prefix":"cosmos","local_denom":"uqatom","base_denom":"uatom","redemption_rate":"0.000000000000000000","last_redemption_rate":"0.000000000000000000","liquidity_module":true,"validator_selection_allocation":"5000","holdings_allocation":"524585","tvl":"150000000.000000000000000000","deposits_enabled":true,"is_118":true},"zs":{"ZoneID":"testchain2","TotalVotingPower":"0","ValidatorScores":{"cosmosvaloper156e0nv0f6jwu0gkj6aftvwltknat92y0jfdz8m":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper156e0nv0f6jwu0gkj6aftvwltknat92y0jfdz8m","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1cje9scxzv5lhrzlnv6ulkf9jwukrj5scqkpwvq":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1cje9scxzv5lhrzlnv6ulkf9jwukrj5scqkpwvq","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1j6hw60ytpa3p2x6jd0dhevy2m64gdvsu4s8vsd":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1j6hw60ytpa3p2x6jd0dhevy2m64gdvsu4s8vsd","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1xnf33uep7xk85xuchp8wr72ujen5maqgchusuh":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1xnf33uep7xk85xuchp8wr72ujen5maqgchusuh","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"}}}}
\ No newline at end of file
diff --git a/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-weighted intents - default validator scores - same validators.json b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-weighted intents - default validator scores - same validators.json
new file mode 100644
index 000000000..5778f9e32
--- /dev/null
+++ b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-weighted intents - default validator scores - same validators.json	
@@ -0,0 +1 @@
+{"ctx":{},"zone":{"connection_id":"connection-0","chain_id":"testchain2","withdrawal_address":{"address":"cosmos18v9l9v5d5ckxxzrgfrgms3ajn2ct25xaeg880uf9g3p4kd9ezfksc2hu56","balance":[],"port_name":"testchain2.withrawal","withdrawal_address":"cosmos18v9l9v5d5ckxxzrgfrgms3ajn2ct25xaeg880uf9g3p4kd9ezfksc2hu56"},"performance_address":{"address":"cosmos1gf30z4lqskvdh8q567y8dtxpjkc3vyg6ed9rth0ky9atwm4ytjssu7z3kg","balance":[],"port_name":"icacontroller-testchain2.performance","withdrawal_address":"cosmos1gf30z4lqskvdh8q567y8dtxpjkc3vyg6ed9rth0ky9atwm4ytjssu7z3kg"},"account_prefix":"cosmos","local_denom":"uqatom","base_denom":"uatom","redemption_rate":"0.000000000000000000","last_redemption_rate":"0.000000000000000000","liquidity_module":true,"validator_selection_allocation":"5000","holdings_allocation":"524585","tvl":"150000000.000000000000000000","deposits_enabled":true,"is_118":true},"zs":{"ZoneID":"testchain2","TotalVotingPower":"0","ValidatorScores":{"cosmosvaloper12sdnkz0yhnzea8srtamk5avdj8d4urgzjzdcyf":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper12sdnkz0yhnzea8srtamk5avdj8d4urgzjzdcyf","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper143ny04dsar850pnh2cf3st4x97mfysjrg8wz4m":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper143ny04dsar850pnh2cf3st4x97mfysjrg8wz4m","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1et3zvvml8e4f6k73luvgmxgyjtp4mdauga6jpc":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1et3zvvml8e4f6k73luvgmxgyjtp4mdauga6jpc","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1wsxqcdlz0du9ch8zlsm867q2q683pe3dhwse4k":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1wsxqcdlz0du9ch8zlsm867q2q683pe3dhwse4k","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"}}}}
\ No newline at end of file
diff --git a/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-zero weight intents, no user allocation.json b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-zero weight intents, no user allocation.json
new file mode 100644
index 000000000..53b0aa4a2
--- /dev/null
+++ b/x/participationrewards/keeper/testdata/fuzz-corpus-CalcUserValidatorSectionAllocations-zero weight intents, no user allocation.json	
@@ -0,0 +1 @@
+{"ctx":{},"zone":{"connection_id":"connection-0","chain_id":"testchain2","withdrawal_address":{"address":"cosmos1gr39t4m3w5hv8tec3vm59sxh7tkfkgmdlxrjswrr8g56jrss7mmsfc0ecq","balance":[],"port_name":"testchain2.withrawal","withdrawal_address":"cosmos1gr39t4m3w5hv8tec3vm59sxh7tkfkgmdlxrjswrr8g56jrss7mmsfc0ecq"},"performance_address":{"address":"cosmos1v6nxr87lyjwtkyg2ukjh2ljwtdn9fnm8nzemhu3y77m3jwa6alvqrzalre","balance":[],"port_name":"icacontroller-testchain2.performance","withdrawal_address":"cosmos1v6nxr87lyjwtkyg2ukjh2ljwtdn9fnm8nzemhu3y77m3jwa6alvqrzalre"},"account_prefix":"cosmos","local_denom":"uqatom","base_denom":"uatom","redemption_rate":"0.000000000000000000","last_redemption_rate":"0.000000000000000000","liquidity_module":true,"validator_selection_allocation":"5000","holdings_allocation":"524585","tvl":"150000000.000000000000000000","deposits_enabled":true,"is_118":true},"zs":{"ZoneID":"testchain2","TotalVotingPower":"0","ValidatorScores":{"cosmosvaloper124qtz3q4nckv7ruy7srwg0487cgr6smankst48":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper124qtz3q4nckv7ruy7srwg0487cgr6smankst48","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper18k53nuj2zxy9dwunq3pefcnkexgpex673t44aq":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper18k53nuj2zxy9dwunq3pefcnkexgpex673t44aq","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1qeydm2e49j70eypqhn67sap22paey2w3ks56cw":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1qeydm2e49j70eypqhn67sap22paey2w3ks56cw","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"},"cosmosvaloper1sc7uav6t5un7hxysc33qugdz9vm4et5mssgt0x":{"PowerPercentage":"1.000000000000000000","PerformanceScore":"1.000000000000000000","DistributionScore":"1.000000000000000000","valoper_address":"cosmosvaloper1sc7uav6t5un7hxysc33qugdz9vm4et5mssgt0x","commission_rate":"0.000000000000000000","delegator_shares":"1.000000000000000000","voting_power":"1000000","score":"1.000000000000000000","status":"BOND_STATUS_BONDED","jailed_since":"0001-01-01T00:00:00Z"}}}}
\ No newline at end of file