It's do-able! That was my first, exhilarated thought. Here's a tentative route. We have walking directions from Google Maps which avoid I-5 and most busy streets.
(updated as of August 13, 2009)
Saturday, August 1, Bellingham
Church of the Assumption to Sacred Heart (3 miles)
Blessing beginning at 2:00 p.m. at Assumption; Mass at 5 p.m. at Sacred Heart. Potluck follows.
Sunday, August 2, Bellingham to 1/2 way to Burlington
Sacred Heart to the end of the Interurban Trail (about 7 miles).
Monday, August 3, end of Interurban Trail to Burlington
Interurban Trail end to St. Charles (11 miles)
Tuesday, August 4, Burlington to Mt. Vernon
St. Charles to Immaculate Conception (4.5 miles)
Wednesday, August 5, Mt. Vernon to Stanwood
Immaculate Conception to St. Cecelia's (14 miles)
Thursday, August 6, Stanwood to Arlington
St. Cecelia's to Immaculate Conception (13.2 miles)
Friday, August 7, Arlington to Marysville
Immaculate Conception to St. Mary's (11.3 miles)
Saturday, August 8, Marysville to Everett
St. Mary's to Immaculate Conception (7.2 miles)
Sunday, August 9, Everett to Lynnwood
Immaculate Conception to St. Thomas More (12.9 miles)
Monday, August 10, Lynnwood to North Seattle
St. Thomas More to Christ the King (9.3 miles)
Tuesday, August 11, North Seattle to Seattle
Christ the King to St. James Cathedral (8.1 miles) (Mass at 5:30 p.m.)
and then to St. Mary's (1.8)
Wednesday, August 12, Seattle to Tukwilla
St.Mary's to St. Thomas (9.5 miles)
Thursday, August 13, Tukwilla to Federal Way
St. Thomas to St. Vincent de Paul (11.6 miles)
Friday, August 14, Federal Way to Fife
St. Vincent de Paul to St. Martin of Tours (8 miles)
Saturday, August 15, Fife to Tacoma
St. Martin of Tours to the ICE detention center(5.2 miles)
Vigil at ICE and then Mass, dinner and talking at St. Leo's.