The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Stated as firm, per the B.A.A.'s race report: "The 130th Boston Marathon took place on Monday, April 20, 2026", with the first start from the B.A.A.'s daily advisory: "9:06 A.M. ET – Wheelchair Division – Men" (13:06 UTC, EDT).
Encyclopedia article on the 130th edition, held Monday 20 April 2026: the 4:34 qualifying cut-off, 24,362 qualifiers, the new medal and the three men under the course record.[1]
The B.A.A.'s race-eve advisory: schedule of starts (9:06 a.m. ET first start), 32,294 entrants, 10,000 volunteers and $50 million fundraised.[1]
The B.A.A.'s race-week schedule for the 130th Boston Marathon on Monday, April 20, 2026, with the Boston 5K and Invitational Mile on the Saturday.[1]
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