diff --git a/internal/database/database.go b/internal/database/database.go
index bff5b08..fc82059 100644
--- a/internal/database/database.go
+++ b/internal/database/database.go
@@ -15,6 +15,7 @@
 	"regexp"
 	"strings"
 	"sync"
+	"time"
 
 	"github.com/lib/pq"
 	"golang.org/x/pkgsite/internal/derrors"
@@ -107,7 +108,17 @@
 
 // QueryRow runs the query and returns a single row.
 func (db *DB) QueryRow(ctx context.Context, query string, args ...interface{}) *sql.Row {
-	defer logQuery(ctx, query, args, db.instanceID)(nil)
+	start := time.Now()
+	defer func() {
+		d, _ := ctx.Deadline()
+		msg := fmt.Sprintf("args=%v; elapsed=%q, start=%q, deadline=%q", args, time.Since(start), start, d)
+		if ctx.Err() != nil {
+			log.Errorf(ctx, "QueryRow context error: %v "+msg, ctx.Err())
+		} else {
+			log.Debugf(ctx, "QueryRow: "+msg)
+		}
+		logQuery(ctx, query, args, db.instanceID)(nil)
+	}()
 	if db.tx != nil {
 		return db.tx.QueryRowContext(ctx, query, args...)
 	}