In 2019 and 2020 Ehammer became Swiss champion in the decathlon, in 2019 in the long jump and in 2020 indoor champion in the indoor heptathlon and in the long jump.
Personal best
Long jump: 8.15 m (+1.3 m / s), June 27, 2020 in Schaffhausen
Long jump (hall): 7.80 m, February 15, 2020 in St. Gallen
Decathlon: 8231 points, August 10, 2020 in Langenthal
Heptathlon (Halle): 5915 points, February 2, 2020 in Magglingen ( Swiss record )