The car-to-car enchainment of all five Flatirons requires the same tactical distinction (ascending vs. downclimbing) as the Trifecta.
Buzz Burrell set the FKT at 2:01:48 on 10/21/2003, downclimbing the 2nd and 5th Flatirons.
Anton Krupicka set a new FKT at 1h48m58s, Sept. 2016, using Burrell's technique of downclimbing the 2nd and 5th, as posted on his Instagram
Bill Briggs set the FKT at 2:16:08 on 10/25/2001, ascending each rock.
Cordis Hall set a new FKT at 2:04:59 on 8/13/2016, ascending each rock (link to GPS track below).
Anton Krupicka lowered the FKT (ascending each) to 1:51:41 on 9/30/2016
Matthias Messner pushed the FKT down to 1:46:22 on 10/26/2016
Burrell Splits (2003)
Top 1st - 24:35
Top 2nd - 28:35
Base 3rd - 44:25 Top 3rd - 52:25
Base 4th - 1:10:10 Top 4th - 1:28:10
Top 5th - 1:37:20 Base 5th - 1:45:xx
Briggs Splits (2001)
Base 1st - 12:15 Top 1st - 25:25
Base 2nd - 35:15 Top 2nd - 47:20
Base 3rd - 54:00 Top 3rd - 1:02:30
Base 5th - 1:21:30 Top 5th - 1:31:05
Base 4th - 1:41:10 Top 4th - 1:57:20