TEAMCHALLENGE has announced that fairness, equal opportunities and clean top-level performances are the organisation’s top priorities ahead of Challenge Roth 2025 as it intensifies anti-doping controls.
Testing, in partnership with the German National Anti-Doping Agency (NADA), will be increased ahead of the iconic race on Sunday July 6. The comprehensive package includes more tests, the introduction of Dried Blood Spot (DBS) tests, and increased presence and education efforts by NADA.
NADA Board Member Dr. Lars Mortsiefer said: “Roth is an event that puts a strong spotlight on anti-doping awareness. It serves as a true lighthouse project. We’re grateful for organisers like those in Roth who are so deeply committed to the cause.”
More testing across categories
It will not just be the professional athletes who have an increase in testing – Age Groupers will also be part of the campaign.
“Triathlon is setting an important example here,” Dr. Mortsiefer emphasised. “Roth’s clear commitment to fair play applies to everyone, regardless of level or placement.”

New technology, in particular the introduction of a Dried Blood Spot (DBS) test, will be used in line with traditional blood and urine samples, and is much faster and easier to implement logistically.
“The test is carried out using a small device that pricks the upper arm to collect blood drops. It’s a quick, efficient, and valuable addition to the classic testing methods,” said Dr. Mortsiefer during the Rothcast Podcast.
The exact number of people who will be tested is currently confidential, but NADA states that the overall number of test will increase on previous years.
On-site, NADA will be present starting Thursday before race day with its own booth at the Triathlon Expo. Experts will be available to answer questions and provide information to athletes, coaches, and anyone interested in topics like rules, risks, and available resources.
The increased presence is not only set to act as a deterrent, but also provide necessary information to athletes such as practical advice on dietary supplements and over-the-counter medications.
Long-standing partnership for clean sport
The collaboration between TEAMCHALLENGE and NADA dates back to 2002. “This partnership exists without any federation mandate – it’s entirely voluntary. Our commitment to clean sport, integrity, and fairness is something we deeply believe in,” said Race Director Felix Walchshöfer.
“We were just in Bonn at NADA’s headquarters last November for a productive exchange. We’re truly grateful for the expanded initiatives leading up to and during the race.”
Every year, around 3,500 individual athletes and 700 relay teams race at Challenge Roth. Upon registration, all participants agree to follow anti-doping regulations as defined by the German Triathlon Union (DTU), NADA, and the World Anti-Doping Agency (WADA).