: Carlos Valdes delivers a standout performance as Cisco Ramon, who is reeling from the loss of friends like Harry Wells and Jesse Quick. His regret over taking the metahuman cure—believing he could have saved lives if he were still Vibe—adds a layer of tragic irony to his arc. The Rise of Black Hole
The episode excels at managing the somber aftereffects of the multiverse-shattering crossover. It avoids a jarring jump into lightheartedness, opting instead for a "glum exploration" of Team Flash's survivor's guilt and identity crises. [S6E10] Marathon
" Marathon ," the 10th episode of The Flash 's sixth season, serves as a grounded, emotional "breather" that pivots the series away from the cosmic scale of Crisis on Infinite Earths and toward a new, more intimate central conflict. Narrative Pivot & Post-Crisis Fallout : Carlos Valdes delivers a standout performance as
"Marathon" effectively transitions Iris West-Allen from a supporting love interest back to her roots as a fearless investigative journalist. It avoids a jarring jump into lightheartedness, opting
Critics noted the introduction of a "spiffy new title sequence" and praised the show's improved tone management. While some viewers found the episode "boring" or "basic" due to its slower pace compared to the crossover, others appreciated its "intriguing and emotional" focus on character development over spectacle. Community Perspectives
“"Marathon" deals with the fallout of Crisis while setting up the second half of the season... it manages to be more gripping and heartfelt than that boring, anticlimactic waste of a crossover was.” Geeks + Gamers · 6 years ago
“The theme of this episode seems to be "Slow Down"... it’s a fairly relevant message, especially for Barry, who’s suffering from survivor’s guilt.” Bob Canada's BlogWorld · 6 years ago REVIEW: The Flash – Season 6, Episode 10 "Marathon"