diff --git a/loadtest.go b/loadtest.go
index 50914c5..7b90248 100644
--- a/loadtest.go
+++ b/loadtest.go
@@ -37,6 +37,8 @@ type LoadTestOptions struct {
 	resultHandlers  []resultHandler
 	weightOverrides map[string]int
 	reportInterval  time.Duration
+	ctxModifier     func(ctx context.Context) context.Context
+	defaultTimeout  time.Duration
 }
 type LoadTestOption func(*LoadTestOptions)
 
diff --git a/options.go b/options.go
index 0da8186..2946477 100644
--- a/options.go
+++ b/options.go
@@ -1,6 +1,7 @@
 package goload
 
 import (
+	"context"
 	"github.com/HenriBeck/goload/pacer"
 	"time"
 )
@@ -53,6 +54,18 @@ func WithAdditionalResultHandler(handler resultHandler) LoadTestOption {
 	}
 }
 
+func WithContextModifier(fn func(ctx context.Context) context.Context) LoadTestOption {
+	return func(options *LoadTestOptions) {
+		options.ctxModifier = fn
+	}
+}
+
+func WithDefaultTimeout(timeout time.Duration) LoadTestOption {
+	return func(options *LoadTestOptions) {
+		options.defaultTimeout = timeout
+	}
+}
+
 func WithWeightOverrides(overrides map[string]int) LoadTestOption {
 	return func(options *LoadTestOptions) {
 		options.weightOverrides = overrides
diff --git a/runner.go b/runner.go
index 3decad4..ca5bc6e 100644
--- a/runner.go
+++ b/runner.go
@@ -16,6 +16,9 @@ type Runner struct {
 	maxWorkers      int
 	weightOverrides map[string]int
 
+	ctxModifier    func(ctx context.Context) context.Context
+	defaultTimeout time.Duration
+
 	startedAt *time.Time
 }
 
@@ -26,6 +29,8 @@ func NewRunner(loadTestOptions LoadTestOptions) *Runner {
 		workers:         loadTestOptions.initialWorkers,
 		maxWorkers:      loadTestOptions.maxWorkers,
 		weightOverrides: loadTestOptions.weightOverrides,
+		ctxModifier:     loadTestOptions.ctxModifier,
+		defaultTimeout:  loadTestOptions.defaultTimeout,
 		startedAt:       nil,
 	}
 
@@ -155,6 +160,14 @@ func (r *Runner) hit(ex Executor, began time.Time) *Result {
 		var cancel context.CancelFunc
 		ctx, cancel = context.WithTimeout(context.Background(), ex.Options().Timeout)
 		defer cancel()
+	} else if r.defaultTimeout > 0 {
+		var cancel context.CancelFunc
+		ctx, cancel = context.WithTimeout(context.Background(), ex.Options().Timeout)
+		defer cancel()
+	}
+
+	if r.ctxModifier != nil {
+		ctx = r.ctxModifier(ctx)
 	}
 
 	resp := ex.Execute(ctx)