The evolution of the rate of flux creep along the major hysteresis envelopes and along bridges between the envelopes in a commercial Bi:2223/Ag tape at 77 K has been investigated. Magnetic relaxation rates depend strongly on the prior magnetic history. It was found that the Bi:2223/Ag tape sample has large flux creep along the hysteresis envelope. Flux creep activation energy was calculated to be 0.12 eV from the rate of decay for the remanent magnetization of 6 mT.