| Race | Distance | Mechanics | Status |
|---|---|---|---|
| Thunderstorm | 500 km | Multirun | Live |
| Guadalajara | OPEN | Open Format | Live |
| Quasar | 50 km | Multirun | Live |
| Vermeer | 10 km | Classic | Results out |
| Delta | 100 km | Distance Ladder | Live |
| Scary Run | 15 km | Classic | Live |
| Sparta | 42 km | Multirun | Upcoming |
Wild West | 21 km | Multirun | Upcoming |
Lisbon | 100 km | Multirun | Upcoming |
Adrenaline | OPEN | Endurance Window | Upcoming |
| Kandinsky | 10 km | Classic | Upcoming |
| Singularity | 30 km | Distance Lock | Upcoming |
Thunderstorm
Multirun
Join 53 athletes
Guadalajara
Open Format
Join 92 athletes
Quasar
Multirun
Join 87 athletes
Delta
Distance Ladder
Join 2 athletes
Scary Run
Classic
Join 34 athletes
Sparta
Multirun
Join 23 athletes
Wild West
Multirun
Join 0 athletes
Coming soon...
Lisbon
Multirun
Join 0 athletes
Coming soon...
Adrenaline
Endurance Window
Join 0 athletes
Coming soon...
Kandinsky
Classic
Join 23 athletes
Singularity
Distance Lock
Join 5 athletes
Happy New Year!
Multirun
Join 0 athletes
Coming soon...
Caravaggio
Distance Lock
Join 0 athletes
Coming soon...
Where the race speaks
Live
Real-time race signals, standings movement, and live desk updates as the competition unfolds.
Briefing
Race context before the start - contenders, matchups, and what to watch.
Battles
Head-to-Head rivalries, standings shifts, and decisive moments inside the field.
Spotlight
Athletes, breakout performances, and the people shaping the league.
Recaps
How the race unfolded - results, turning points, and final standings.
Features
Long-form stories from inside the league - routes, documentaries, and deep dives.
Vladislav Kokorin won the men's standings at Buenos Aires, the longest race of season 263, with 777.8 km. Alexey Sherikhov finished 31.5 km behind after leading for a single day on 26 September. Margarita Pochekutova won the women's race with 490.2 km, leading from day one, and third place was settled on the evening of 30 September.
October 2
Dmitriy Cherny won the men's standings at Sun, the first race of the space series, with an average pace of 3:50. On 28 September he took first place from Konstantin Volkov, who had led for less than two hours. In the women's race Natalia Sokol led from 7 September and finished two and a half seconds per kilometre ahead of Anna Egorova, while Ekaterina Gavrilova held on to third by a third of a second.
October 2
Two July races — and twice the same result: Yulia first, Ekaterina Gavrilova second. Gavrilova has six overall seconds in her career and not a single first. Before season 263 ends, the pair still has one more chance to meet directly.
September 9
Voices
You may receive an email from the Arena desk. When your race becomes part of the story, we invite you to answer a few short questions. Your voice becomes part of the race.
Season and Races
3 months. 12 races. Different distances and mechanics.
The season is already live — you enter where it stands. Pace control, time pressure, Head-to-Head: not every race plays the same.
Career
Level 1 is where everyone starts.
Levels unlock access. Reaching it matters. Keeping it matters more.
Divisions
Standards define the field.
Distance and pace determine where you compete. Head-to-Head starts there.
Ranking
Position is never static.
URX Points moves you inside your group. You're either climbing — or being passed.
Wildcard
Access without status change.
Enter beyond your level. No promotion. No protection.
Also on URX · Swimming
Explore the other discipline anytime. Same account, separate progress.
You are X©
Until you compete
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