My tentative itinerary follows with approximate arrival and departure dates at the various stops for resupply.   Although it can be only approximate, my actual progress shouldn't be off of this by more than a week or so.  

Start Point: Campo
Depart: 4-20-12 (Fri)
  Campo to Mt. Laguna  3 days
    +2 extra on-trail days for ADZPCTKO, Lake Morena   
Arrive:      4-24-12 (Tue)
Depart:      4-24-12 (Tue)
42.9 mi

Mt. Laguna to Warner Springs  (4.1 days)
Arrive:      4-28-12 (Sat)
Layover:         1.0 days    
Depart:      4-29-12 (Sun)
67.7 mi

Warner Springs to Idylwild  (4.8 days)
Arrive:      5-4-12 (Fri)
Layover:         1.2 days    
Depart:      5-5-12 (Sat)
69.6 mi.

Idylwild to Cabazon  (1.8 days)
Arrive:      5-7-12 (Mon)
Layover:         0.0 days    
Depart:      5-7-12 (Mon)
64.3 mi.

Cabazon to Big Bear City  (4.0 days)
Arrive:      5-11-12 (Fri)
Layover:         1.0 days    
Depart:      5-12-12 (Sat)
Cumulative distance: 276.3 mi

Big Bear City to Wrightwood  (5.7 days)
Arrive:      5-18-12 (Fri)
Layover:         0.0 days    
Depart:      5-18-12 (Fri)
89.6 mi  Cumulative distance: 365.9 mi    

Wrightwood to Agua Dulce  (4.8 days)
Arrive:      5-23-12 (Wed)
Layover:         1.2 days    
Depart:      5-24-12 (Thu)
89 mi.  Cumulative distance: 454.9 mi

Agua Dulce to Tehachapi  (6.9 days)
Arrive:      5-31-12 (Thu)
Layover:         0.0 days    
Depart:      5-31-12 (Thu)
102 mi.  Cumulative distance: 555.1 mi

Tehachapi to Onyx  (5.9 days)
Arrive:      6-6-12 (Wed)
Layover:         0.0 days    
Depart:      6-6-12 (Wed)
92.7 mi.  Cumulative distance: 647.8 mi

Onyx to Kennedy Meadows  (3.2 days)
Arrive:      6-9-12 (Sat)
Layover:         2.0 days    
Depart:      6-11-12 (Mon)
49.2 mi.  Cumulative distance: 697.0 mi

Kennedy Meadows to Independence  (6.0 days)
Arrive:      6-17-12 (Sun)
Layover:         1.0 days    
Depart:      6-18-12 (Mon)
87.4 mi.  Cumulative distance: 784.4 mi

Independence to Vermillion Valley Resort  (6.1 days)
Arrive:      6-24-12 (Sun)
Layover:         1.9 days    
Depart:      6-26-12 (Tue)
86.9 mi.  Cumulative distance: 871.3 mi

Vermillion Valley Resort to Red's Meadow  (1.7 days)
Arrive:      6-28-12 (Thu)
Layover:         0.0 days    
Depart:      6-28-12 (Thu)
29.4 mi.  Cumulative distance: 900.7 mi

Red's Meadow to Tuolumne Meadows  (2.0 days)
Arrive:      6-30-12 (Sat)
Layover:         0.0 days    
Depart:      6-30-12 (Sat)
36.1 mi.  Cumulative distance: 936.8 mi

Tuolumne Meadows to Sonora Pass  (5.3 days)
Arrive:      7-5-12 (Thu)
Layover:         0.0 days    
Depart:      7-5-12 (Thu)
76.4 mi.  Cumulative distance: 1,013.2 mi

Sonora Pass to Echo Lake Resort  (4.0 days)
Arrive:      7-9-12 (Mon)
Layover:         1.0 days    
Depart:      7-10-12 (Tue)
76.2 mi.  Cumulative distance: 1,089.4 mi

Echo Lake Resort to Sierra City  (4.9 days)
Arrive:      7-15-12 (Sun)
Layover:         0.0 days    
Depart:      7-15-12 (Sun)
102.1 mi.  Cumulative distance: 1,191.5 mi

Sierra City to Belden  (4.5 days)
Arrive:      7-19-12 (Thu)
Layover:         1.0 days    
Depart:      7-20-12 (Fri)
91.7 mi.  Cumulative distance: 1,283.2 mi

Belden to Old Station  (4.3 days)
Arrive:      7-25-12 (Wed)
Layover:         0.0 days    
Depart:      7-25-12 (Wed)
88.4 mi.  Cumulative distance: 1,371.6 mi

Old Station to Burney Falls State Park  (1.8 days)
Arrive:      7-26-12 (Thu)
Layover:         0.0 days    
Depart:      7-26-12 (Thu)
45.9 mi.  Cumulative distance: 1,417.5 mi

Burney Falls State Park to Castella  (3.6 days)
Arrive:      7-30-12 (Mon)
Layover:         1.0 days    
Depart:      7-31-12 (Tue)
82.9 mi.  Cumulative distance: 1,500.4 mi

Castella to Seiad Valley  (6.7 days)
Arrive:      8-7-12 (Tue)
Layover:         1.0 days    
Depart:      8-8-12 (Wed)
156.6 mi.  Cumulative distance: 1,657.0 mi

Seiad Valley to Ashland  (3.0 days)
Arrive:      8-11-12 (Sat)
Layover:         2.0 days    
Depart:      8-13-12 (Mon)
64.5 mi.  Cumulative distance: 1,721.5 mi

Ashland to Crater Lake Post Office  (4.3 days)
Arrive:      8-17-12 (Fri)
Layover:         0.0 days    
Depart:      8-17-12 (Fri)
105.4 mi.  Cumulative distance: 1,826.9 mi

Crater Lake Post Office to Shelter Cove Resort  (3.2 days)
Arrive:      8-20-12 (Mon)
Layover:         1.0 days    
Depart:      8-21-12 (Tue)
79.6 mi.  Cumulative distance: 1,906.5 mi

Shelter Cove Resort to Sisters  (3.1 days)
Arrive:      8-24-12 (Fri)
Layover:         0.0 days    
Depart:      8-24-12 (Fri)
77.1 mi.  Cumulative distance: 1,983.6 mi

Sisters to Timberline Lodge (4.7 days)
Arrive:      8-29-12 (Wed)
Layover:         0.0 days    
Depart:      8-29-12 (Wed)
117.8 mi  Cumulative distance: 2,101.4 mi

Timberline Lodge to Cascade Locks  (1.8 days)
Arrive:      8-31-12 (Fri)
Layover:         3.0 days    
Depart:      9-3-12 (Mon)
49.3 mi.  Cumulative distance: 2,150.7 mi

Cascade Locks to White Pass  (6.0 days)
148.1 mi
Arrive:      9-9-12 (Sun)
Layover:         1.0 days    
Depart:      9-10-12 (Mon)
148.1 mi.  Cumulative distance: 2,298.8 mi

White Pass to Snoqualime Pass  (4.0 days)
Arrive:      9-14-12 (Fri)
Layover:         0.0 days    
Depart:      9-14-12 (Fri)
98.6 mi.  Cumulative distance: 2,397.4 mi

Snoqualime Pass to Skykomish  (3.5 days)
Arrive:      9-17-12 (Mon)
Layover:         1.0 days    
Depart:      9-18-12 (Tue)
74.5 mi.  Cumulative distance: 2,471.9 mi

Skykomish to Stehekin  (4.5 days)
Arrive:      9-23-12 (Sun)
Layover:         1.0 days    
Depart:      9-24-12 (Mon)
97.8 mi.  Cumulative distance: 2,569.7 mi

Stehekin to Manning Park  (4.0 days)
Manning Park finish   
Arrive:      9-28-12 (Fri)
88.8 mi.  Cumulative distance: 2,658.5 mi