German streamer Arda Saatçi’s Route 66 endurance marathon became top Twitch content in early May, peaking at over 135,000 live viewers, according to Streams Charts.
The event, titled Ultra 600 as part of the Cyborg Season marathon series and sponsored by Red Bull, has already become the most popular livestream it has ever produced, even though it has only just started.
What is the Arda Saatçi Ultra 600 Endurance Marathon?
Ultra 600 is a multi-day endurance marathon project spanning the historic Route 66 corridor. The format is simple in concept and brutal in execution: a continuous long-distance race under closely monitored conditions, broadcast live with real-time measurements and constant public visibility.
Supported in part by Red Bull’s media ecosystem, the Ultra 600 is designed less as a traditional race and more as a sustained test of physical and mental endurance presented in the form of high-intensity live-streamed content.
The current event is the third installment of the Cyborg Series, organized by Arda Saatçia Germany-based endurance creator working at the intersection of sports, streaming, and performance art. The first two marathons, organized in France and Japan, had already generated a strong audience, but the current one has gone completely viral, also surpassing Ticpeak audience at the beginning of May 2026.
How did the Arda Saatçi marathon on Twitch go?
In less than two days, the streamer has already accumulated more than 850,000 hours of viewing, maintaining an average audience above 44,000 concurrent viewers. On the first day, the event peaked with over 135,000 live viewers, setting a new personal best for Saatçi, more than double his previous record from an event held in New York two years ago.
Additionally, in just under two days, Saatçi’s channel subscriber count increased by 35%, adding 185,000 new subscribers. This is also the highest growth figure on Twitch as of early May 2026, excluding the number of follows artificially increased by viewbotting.
What is striking is that this type of content has become the most popular on Twitch, a platform primarily focused on gaming and casual streaming, in terms of peak concurrent viewership.
Aside from obvious cases of viewbotting, Arda Saatçi is currently the most popular creator on the platform, surpassing his industry counterpart Gianmarco »Tumblurr“Tocco (also creator of Red Bull) as well as several other streamers, including fellow German creator Elias”EliasN97»Nerlich.
At this point, Saatçi has already covered 96 km, with around five times that distance still to cover over the next three days. The hardest part is yet to come, and the numbers are only going one way for now.
FAQs
What is Arda Saatçi’s Cyborg Season Ultra 600 event?
Ultra 600 is a multi-day endurance marathon project covering the historic Route 66 corridor, part of the Cyborg Season marathon series.
How many viewers did the Arda Saatçi Marathon peak on Twitch?
The event has so far peaked with over 135,000 live viewers, setting a new personal best for Arda Saatçi.
How much watch time did Arda Saatçi accumulate during the Ultra 600?
In less than two days, the streamer has accumulated more than 850,000 hours of viewing.
How many new followers did Arda Saatçi gain during the event?
Her channel increased its subscribers by 35%, adding 185,000 new subscribers in just under two days.
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