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The Flash S06E10, MarathonS06E10

The Flash · Season 6

The Flash season 6 episode 10: Marathon

Aired 4 February 202042 minRated TV-PG

6.6TMDB · 13 votesMark watched

Where to watch The Flash Season 6 in Australia

The Flash season 6 is streaming in Australia on Prime Video (subscription), HBO Max (subscription) and Stan (subscription), and free on 9Now. You can also buy it on Apple TV from $29.99, Fetch TV from $44.99 and Prime Video Store from $29.99.

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Free

Buy or rent

Availability checked 16 November 2026.

What happens in “Marathon”

After "The Citizen" prints an explosive story, Iris' life is threatened; refusing to hide from her attackers, Iris sets out to expose a dangerous organization; Barry must face the consequences of the Crisis and fulfill Oliver Queen's wish for him.

Episode summary: TMDB.

Before you watch

  • It is episode 10 of 19 of season 6, so watch episodes 1 to 9 first.
  • It runs about 42 minutes.
  • Directed by Stefan Pleszczynski, written by Sam Chalsen and Lauren Barnett.
  • TMDB users rate it 6.6 out of 10 (13 votes).

The Flash trailer

The official trailer for the series (no preview of this episode has been published).

The Flash trailerPlay video: The Flash trailer

Cast and crew of this episode

Director
Stefan Pleszczynski
Writers
Sam ChalsenLauren Barnett
Guest stars
Kayla Compton as Allegra GarciaEric Nenninger as Joseph CarverVictoria Park as Kamilla HwangGary Starkell as Riggs WellingtonEmmett Lee Stang as Mystery ManArran Henn as Catco ReporterSonia Beeksma as KPJT ReporterJarryd Baine as Channel 52 News Reporter

Credits: TMDB.

More from The Flash Season 6

Previous · S06E09Crisis on Infinite Earths: Part Three (III)10 December 2019Next · S06E11Love Is a Battlefield11 February 2020
  1. E01
  2. E02
  3. E03
  4. E04
  5. E05
  6. E06
  7. E07
  8. E08
  9. E09
  10. E10
  11. E11
  12. E12
  13. E13
  14. E14
  15. E15
  16. E16
  17. E17
  18. E18
  19. E19

Every episode of Season 6The Flash episode guide

Episode names, air dates, runtimes, stills and ratings: TMDB. Air dates are the first broadcast anywhere; where it streams is our daily Australian check.