Magnus Elbæk Ditlev (born 31 October 1997) is a Danish professional triathlete and the Ironman distance world record holder.

[2][3] Considered one of the strongest cyclists in triathlon, Ditlev's first professional victory was in 2020 at the Ironman 70.3 Gdynia.

[1] The following year, Ditlev won two more races: the Challenge Budva and Ironman 70.3 Cascais.

He has also won the 2022, 2023 and 2024 Challenge Roth, where, in 2024, he set the Ironman distance world record time of 7 hours, 23 minutes and 24 seconds.

[5] This biographical article related to a Danish known for competing in triathlons is a stub.