Tanzania competed at the 2017 World Championships in Athletics in London, Great Britain, from 4–13 August 2017.

Medalists MedalNameEventDateAlphonce SimbuMen's marathonAugust 6

Results (q – qualified, NM – no mark, SB – season best)

Men Track and road events AthleteEventHeatFinalResultRankResultRankGabriel Gerald Geay5000 metres–colspan=2 rowspan=2 Emanuel Giniki Gisamoda13:32.3127Stephno Gwandu HucheMarathoncolspan=2 rowspan=3 2:20.0538Ezekiel Jafary2:14.0512Alphonce Felix Simbu2:09.51

Women Track and road events AthleteEventFinalResultRankFailuna Abdi Matanga10,000 metres32:29.9723Sara RamadhaniMarathon2:46.2356Magdalena Shauri–

References