diff --git a/models/certificate.go b/models/certificate.go
new file mode 100644
index 0000000..903bfdf
--- /dev/null
+++ b/models/certificate.go
@@ -0,0 +1,36 @@
+package models
+
+type CertificateRequest struct {
+	Runners []RunnerWithDonations `json:"runners"`
+	Locale  string                `json:"locale" enums:"en,de"`
+}
+
+type RunnerWithDonations struct {
+	ID                int                `json:"id"`
+	FirstName         string             `json:"first_name"`
+	MiddleName        string             `json:"middle_name"`
+	LastName          string             `json:"last_name"`
+	Group             Group              `json:"group"`
+	Distance          int                `json:"distance"`
+	DistanceDonations []DistanceDonation `json:"distance_donations"`
+}
+
+type DistanceDonation struct {
+	ID                int   `json:"id"`
+	Amount            int   `json:"amount"`
+	PaidAmount        int   `json:"paid_amount"`
+	AmountPerDistance int   `json:"amount_per_distance"`
+	Donor             Donor `json:"donor"`
+}
+
+type Donor struct {
+	ID         int    `json:"id"`
+	FirstName  string `json:"first_name"`
+	MiddleName string `json:"middle_name"`
+	LastName   string `json:"last_name"`
+}
+
+type CertificateTemplateOptions struct {
+	Runners   []RunnerWithDonations `json:"runners"`
+	EventName string                `json:"event_name"`
+}