diff --git a/internal/adif/import_e2e_test.go b/internal/adif/import_e2e_test.go
new file mode 100644
index 0000000..e163dfc
--- /dev/null
+++ b/internal/adif/import_e2e_test.go
@@ -0,0 +1,74 @@
+package adif_test
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"hamlog/internal/adif"
+	"hamlog/internal/db"
+	"hamlog/internal/qso"
+)
+
+// End to end: an operator's own record, through a real SQLite logbook and back.
+//
+// Written because CONTEST_ID was reported as "not imported". It is imported, and
+// this pins the whole path — parse, remap, insert, read back — rather than the
+// conversion step alone, which was already green while the report stood. A field
+// can be lost at five places between the file and the grid; only the round trip
+// says which.
+func TestContestIDSurvivesImport(t *testing.T) {
+	dir := t.TempDir()
+	conn, err := db.Open(filepath.Join(dir, "logbook.db"))
+	if err != nil {
+		t.Fatalf("open: %v", err)
+	}
+	defer conn.Close()
+
+	const file = "<CALL:6>2E0CVN <QSO_DATE:8>20260725 <TIME_ON:6>120039 <STATE:5>EU005 <BAND:3>20M <FREQ:6>14.014 <MODE:2>CW <CONTEST_ID:9>RSGB-IOTA <RST_RCVD:3>599 <RST_SENT:3>599 <SRX_STRING:8>001EU005 <EOR>\n"
+	path := filepath.Join(dir, "in.adi")
+	if err := os.WriteFile(path, []byte(file), 0o644); err != nil {
+		t.Fatal(err)
+	}
+
+	repo := qso.NewRepo(conn)
+	im := &adif.Importer{Repo: repo, FieldMap: map[string]string{"state": "iota"}}
+	res, err := im.ImportFile(context.Background(), path)
+	if err != nil {
+		t.Fatalf("import: %v", err)
+	}
+	t.Logf("result: %+v", res)
+
+	rows, err := conn.Query("SELECT callsign, contest_id, iota, state FROM qso")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer rows.Close()
+	n := 0
+	for rows.Next() {
+		var call, contest, iota, state any
+		if err := rows.Scan(&call, &contest, &iota, &state); err != nil {
+			t.Fatal(err)
+		}
+		n++
+		t.Logf("stored: call=%v contest_id=%v iota=%v state=%v", call, contest, iota, state)
+		if s := strings.TrimSpace(toS(contest)); s != "RSGB-IOTA" {
+			t.Errorf("contest_id in the DATABASE = %q, want RSGB-IOTA", s)
+		}
+	}
+	if n == 0 {
+		t.Fatal("nothing was stored")
+	}
+}
+
+func toS(v any) string {
+	switch x := v.(type) {
+	case string:
+		return x
+	case []byte:
+		return string(x)
+	}
+	return ""
+}