39 percent
of finishes in an average year had a sustained slowdown
Edition by edition, between 28% (2019) and 47% (2016).
The median finish ranged from 4:09 in 2019 to 4:18 in 2016 and 2018.
Prague’s 39%: higher than 17 of 22 other courses with three or more editions.
At 58°F in 2018, 41% had a sustained slowdown. At 42°F in 2019, 28%.
All numbers3 tables
| Finishes | 26,332 |
|---|---|
| Editions | 4 |
| Median finish, average edition | 4:15:44 |
| Sustained slowdown, average edition | 38.5% |
| Second 20K more than 10% slower | 33.2% |
| Median time given back after 20K | +12:49 |
| Climb, whole route | 246 ft |
| Year | Race date | Finishes | Median finish | Sustained slowdown | At the start | Dew point | Humidity | Wind | Start time |
|---|---|---|---|---|---|---|---|---|---|
| 2016 | May 8 | 5,732 | 4:18:06 | 47.3% | 57°F | 45°F | 63% | 8.9 mph | 09:00 |
| 2017 | May 7 | 6,452 | 4:16:42 | 38.8% | 55°F | 50°F | 83% | 6.9 mph | 09:00 |
| 2018 | May 6 | 6,921 | 4:18:29 | 40.5% | 58°F | 35°F | 42% | 6.7 mph | 09:00 |
| 2019 | May 5 | 7,227 | 4:09:40 | 27.5% | 42°F | 33°F | 69% | 12.5 mph | 09:00 |
| Section | Climb | Descent | Net | Pace vs. avg. |
|---|---|---|---|---|
| 0–5K | 40 ft | 54 ft | −22 ft | — |
| 5–10K | 10 ft | 34 ft | −23 ft | — |
| 10–15K | 60 ft | 35 ft | +34 ft | — |
| 15–20K | 30 ft | 29 ft | −7 ft | — |
| 20–25K | 4 ft | 10 ft | −6 ft | — |
| 25–30K | 16 ft | 19 ft | −1 ft | — |
| 30–35K | 39 ft | 39 ft | −5 ft | — |
| 35–40K | 12 ft | 23 ft | −9 ft | — |
| 40K–finish | 36 ft | 6 ft | +31 ft | — |