The PN Martin won had some really crappy parcours. It had a 30k itt and the most selective stage was decided by a sprint of 8 with 20 riders inside 20 seconds.
That very same year after hyping himself for GC in the Tour, he was droped by a group of 40 on the Tourmalet on the first mountain stage. During the 2010 TdS while in yellow he lost minutes on the stage to la punt that Gesink won.
So no Martin isn't a decent climber and his performance in Swiss was way above all expectations.
Anyway back to Costa and his itt, like i said, i don't think it was all that suspicious. I am not saying Costa is clean, check this thread and you will see that i am under no illusion, i just really don't think it was particularly out of ordinary.
Let's see some results to compare.
Grenoble hilly ITT of the 2011 Dauphine when Costa had returned to competition in the Ardennes after being sidelined since the 2010 Tour because of the supplement incident.
Stage 3 (ITT) » Grenoble › Grenoble (42.5k/26.4m
Pos.RiderTeamWTPntTimeAvg
1 MARTIN TonyHTC - High Road65055:2845.974
10 COSTA RuiMovistar Team12:0044.374
2012 Algarve flat itt:
Stage 5 (ITT) » Lagoa › Portim (25.8k/16.0m)
Pos.RiderTeamEuTPntTimeAvg
1 WIGGINS BradleySky Procycling162032:4847.195
2 MARTIN TonyOmega Pharma - Quick-Step1112,,,,
13 COSTA RuiMovistar Team0:5945.821
Romandie MTFish/hilly itt in 2012:
Stage 5 (ITT) » Crans-Montana › Crans-Montana (16.5k/10.3m)
Pos.RiderTeamWTPntTimeAvg
1 WIGGINS BradleySky Procycling65028:5634.217
2 TALANSKY AndrewTeam Garmin - Barracuda4300:0134.197
3 PORTE RichieSky Procycling2180:1733.885
4 COSTA RuiMovistar Team1130:2333.769
5 KREUZIGER RomanAstana Pro Team1100:4033.446
2012 TdS hilly itt:
Stage 6 (ITT) » Gossau › Gossau (34.3k/21.3m)
Pos.RiderTeamWTPntTimeAvg
1 KESSIAKOFF FredrikAstana Pro Team65046:3644.163
2 CANCELLARA FabianRadioShack - Nissan4300:0244.132
8 COSTA RuiMovistar Team30:4143.525
2012 TdF hilly itt:
Stage 9 (ITT) » Arc-et-senans › Besancon (38k/23.6m)
Pos.RiderTeamWTPntTimeAvg
1 WIGGINS BradleySky Procycling2010051:2444.358
2 FROOME ChristopherSky Procycling10700:3543.860
3 CANCELLARA FabianRadioShack - Nissan6500:5743.553 ( injured from crashes iirc)
8 NIBALI VincenzoLiquigas - Cannondale182:0742.604
12 MARTIN TonyOmega Pharma - Quick-Step62:1642.484 (Broken hand)
14 COSTA RuiMovistar Team22:2242.405
Take away the Sky borgs and it was a pretty good itt less than 20 secs down on Nibs.
2013 long flat itt Algarve:
Stage 4 (ITT) » Castro Marim › Tavira (34.8k/21.6m)
Pos.RiderTeamEuTPntTimeAvg
1 MARTIN TonyOmega Pharma - Quick-Step162045:0946.246
8 COSTA RuiMovistar Team1,,,,
2013 hilly Pais Vasco ITT coming back from his PN crash:
Stage 6 (ITT) » Beasain › Beasain (24k/14.9m
Pos.RiderTeamWTPntTimeAvg
1 MARTIN TonyOmega Pharma - Quick-Step65035:0541.045
12 COSTA RuiMovistar Team1:2239.506
2013 Romandie flat itt:
Stage 5 (ITT) » Genève › Genève (18.6k/11.6m)
Pos.RiderTeamWTPntTimeAvg
1 MARTIN TonyOmega Pharma - Quick-Step65021:0752.849
3 FROOME ChristopherSky Procycling2180:3451.468
13 COSTA RuiMovistar Team,,,
The TdS itt was pretty much a MTF so it's not really worth posting it and he did an awful flat time trial in the TdF last year (he claimed a bad day)
This year:
Algarve itt:
Stage 3 (ITT) » Vila do Bispo › Sagres (13.6k/8.5m
Pos.RiderTeamEuTPntTimeAvg
1 KWIATKOWSKI MichalOmega Pharma - Quick-Step162014:0358.078
3 MARTIN TonyOmega Pharma - Quick-Step670:1357.196
4 CONTADOR AlbertoTinkoff-Saxo550:2056.732
12 COSTA RuiLampre-Merida,,
Romandie itt:
Stage 5 (ITT) » Neuchâtel › Neuchâtel (18.5k/11.5m)
Pos.RiderTeamWTPntTimeAvg
1 FROOME ChristopherTeam Sky65024:5044.698
2 MARTIN TonyOmega Pharma - Quick-Step4300:0144.668
8 COSTA RuiLampre-Merida30:3143.787
And now the TdS hilly itt:
Stage 7 (ITT) » Worb › Worb (24.7k/15.4m)
Pos.RiderTeamWTPntTimeAvg
1 MARTIN TonyOmega Pharma - Quick-Step65031:3746.874
2 DUMOULIN TomTeam Giant-Shimano4300:2246.337
3 COSTA RuiLampre-Merida2180:2846.192
2013 was clearly Tony Martin's best time trial year and this year he hasn't looked nowhere near as impressive in that discipline while apparently he is climbing much better. Costa is also 2 years young so he is only now reaching his peak unlike Martin who has been at his best for a couple years now.
Does it really look like a full *** performance instead of a just a very good one?
Meh pretty crappy copy/pasting from procyclingstats but you can easily check the results there by just browsing Costa's Page