Sunday, April 25, 2027Greer, SC
2Slow4Boston Marathon, Half & 50K
3 events
- 005th 2S4B Half-MarathonHalfRoadStarts 12:00 AM
- 014th 2S4B MarathonMarathonRoadStarts 12:00 AM
- 001st 2S4B 50K50KUltraStarts 12:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherGood weather · 83/100
- High / low
- 71° / 50°F
- 22° / 10°C
- Humidity
- 78%
- Dew point 53°F
- Chance of rain
- 35%
- Wind
- 6 mph
- Average
- Usually warm for an ultra: about 63°F while racing.
- Rain on about 35% of days around this date.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- 39% slowerFinish times are typically 39% slower than at other marathons.4 years, 173 finishers; men and women compared separately.
- 48% slowerFinish times are typically 48% slower than at other half marathons.3 years, 88 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2026 | 013th 2S4B Marathon · Marathon | 39 | 6:09:18 | 5:15:00 | 7:08:42 |
| 2026 | 004th 2S4B Half-Marathon · Half | 38 | 2:43:15 | 2:30:30 | 2:48:40 |
| 2025 | 012th 2S4B Marathon · Marathon | 55 | 6:12:02 | 5:57:22 | 6:27:03 |
| 2025 | 003rd 2S4B Half-Marathon · Half | 18 | 2:57:04 | 2:24:22 | 3:30:58 |
| 2024 | 011th 2S4B Marathon · Marathon | 33 | 6:10:57 | 5:25:50 | 6:44:57 |
| 2024 | 002nd 2S4B Half-Marathon · Half | 25 | 3:39:10 | 3:44:22 | 3:31:12 |
| 2023 | 010 2S4B Marathon · Marathon | 46 | 6:18:19 | 6:10:57 | 6:27:05 |
| 2023 | 001 2S4B Half-Marathon · Half | 25 | 3:27:06 | — | 3:27:06 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.