The Nantucket Historical Association and Nantucket Atheneum will present their fourth annual Moby-Dick Marathon, with about 90 participants taking turns reading aloud all 135 chapters plus the epilogue of Herman Melvilles classic Moby-Dick; Or, The Whale. Participants will include teachers, students, writers, historians, radio personalities, poets and actors.

Starting at 10 a.m. Saturday through noon Sunday

Starting at the Nantucket Atheneum, 1 India St.; moving 2 to 8 p.m. to the Whaling Museum, 13 Broad St.; moving back to Atheneum for rest of marathon