Here is a script that will show you the duration of each step for your jobs. this will give you a clue as to which step might be giving you the problem.

--shows duration by step for long running multi-step jobs

select

j.name as 'JobName',

s.step_id as 'Step',

s.step_name as 'StepName',

msdb.dbo.agent_datetime(run_date, run_time) as 'RunDateTime',

((run_duration/10000*3600 + (run_duration/100)%100*60 + run_duration%100 + 31 ) / 60)

as 'RunDurationMinutes'

From msdb.dbo.sysjobs j

INNER JOIN msdb.dbo.sysjobsteps s

ON j.job_id = s.job_id

INNER JOIN msdb.dbo.sysjobhistory h

ON s.job_id = h.job_id

AND s.step_id = h.step_id

AND h.step_id <> 0

where j.enabled = 1 --Only Enabled Jobs

--and j.name = 'TestJob' --Uncomment to search for a single job

/*

and msdb.dbo.agent_datetime(run_date, run_time)

BETWEEN '12/08/2012' and '12/10/2012' --Uncomment for date range queries

*/

order by JobName, RunDateTime desc