in 1925 she finished second at the national championships in the 100 metres freestyle. with onderlinge dameszwemclub she swam together with truus baumeister, marie baron and marie braun the dutch national record in the 4x 50m freestyle in july 1926. de jel was also 3000 metres record holder. with onderlinge dameszwemclub she also competed internationally, including in brussels in 1925, and duisburg in 1926.