Boston’s 30–35K climb ran 4% slower than elsewhere.
Each 5K’s pace near 4:00, in % against the same 5K on every course combined.
Boston, finishes near 4:00
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All numbers9 rows
Boston by section: the climbing, the net change, and the pace near 4:00 against the same 5K on every course combined
| Section | Climbing | Net | Against elsewhere |
|---|---|---|---|
| 0–5K | +83 ft | −238 ft | −3% |
| 5–10K | +70 ft | −62 ft | −2% |
| 10–15K | +84 ft | −19 ft | −1% |
| 15–20K | +109 ft | +13 ft | 0% |
| 20–25K | +62 ft | −22 ft | 0% |
| 25–30K | +171 ft | +1 ft | +3% |
| 30–35K | +163 ft | +4 ft | +4% |
| 35–40K | +49 ft | −134 ft | −1% |
| 40K–finish | +27 ft | +5 ft | +2% |