Katherine Zanchi
Bib: 28777•F
MA
⏱️ Race Timeline
The Course
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Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 11:53:04 | 31:57 | 10:17 | 31:57 | 10:17 | - |
10K | 6.21 mi | 12:26:17 | 1:05:10 | 10:29 | 33:13 | 10:41 | +0:24 |
15K | 9.32 mi | 12:59:59 | 1:38:52 | 10:36 | 33:42 | 10:51 | +0:10 |
20K | 12.43 mi | 13:36:00 | 2:14:53 | 10:51 | 36:01 | 11:36 | +0:45 |
Half | 13.11 mi | 13:43:33 | 2:22:26 | 10:52 | 7:33 | 11:04 | -0:32 |
25K | 15.53 mi | 14:13:55 | 2:52:48 | 11:07 | 30:22 | 12:31 | +1:27 |
30K | 18.64 mi | 15:01:54 | 3:40:47 | 11:51 | 47:59 | 15:27 | +2:56 |
20M | 20.00 mi | 15:23:22 | 4:02:15 | 12:07 | 21:28 | 15:48 | +0:21 |
21M | 21.00 mi | 15:51:13 | 4:30:06 | 12:52 | 27:51 | 27:51 | +12:03 |
35K | 21.75 mi | 16:02:21 | 4:41:14 | 12:56 | 11:08 | 14:53 | -12:58 |
23M | 23.00 mi | 16:21:58 | 5:00:51 | 13:05 | 19:37 | 15:40 | +0:47 |
24M | 24.00 mi | 16:39:34 | 5:18:27 | 13:16 | 17:36 | 17:36 | +1:56 |
40K | 24.85 mi | 16:52:16 | 5:31:09 | 13:19 | 12:42 | 14:51 | -2:45 |
25.2M | 25.20 mi | 16:58:45 | 5:37:38 | 13:24 | 6:29 | 18:48 | +3:57 |
Finish | 26.22 mi | 17:11:18 | 5:50:11 | 13:22 | 12:33 | 12:19 | -6:29 |
Checkpoints & Pacing
📈Pace Line
Pace Progression
Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.
Fastest Pace
10:17 /mi
Average Pace
13:22 /mi
Slowest Pace
27:51 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
3:05:21
53% of race
Time at Steady Pace
1:52:54
32% of race
Time at Slower Pace
51:56
15% of race
Average Pace: 13:21 /mi
🎨Heatmap
Pace Heatmap
Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.
Click or hover over segments to see details
✨Sparklines
Checkpoint Splits with Pace Trends
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 11:53:04 | 31:57 | 10:17 | 31:57 | 10:17 | #23618 | |
10K | 6.21 mi | 12:26:17 | 1:05:10 | 10:29 | 33:13 | 10:41 | #23757 | |
15K | 9.32 mi | 12:59:59 | 1:38:52 | 10:36 | 33:42 | 10:51 | #23656 | |
20K | 12.43 mi | 13:36:00 | 2:14:53 | 10:51 | 36:01 | 11:36 | #23694 | |
Half | 13.11 mi | 13:43:33 | 2:22:26 | 10:52 | 7:33 | 11:04 | #23692 | |
25K | 15.53 mi | 14:13:55 | 2:52:48 | 11:07 | 30:22 | 12:31 | #23753 | |
30K | 18.64 mi | 15:01:54 | 3:40:47 | 11:51 | 47:59 | 15:27 | #24153 | |
20M | 20.00 mi | 15:23:22 | 4:02:15 | 12:07 | 21:28 | 15:48 | #24263 | |
21M | 21.00 mi | 15:51:13 | 4:30:06 | 12:52 | 27:51 | 27:51 | #24863 | |
35K | 21.75 mi | 16:02:21 | 4:41:14 | 12:56 | 11:08 | 14:53 | #24885 | |
23M | 23.00 mi | 16:21:58 | 5:00:51 | 13:05 | 19:37 | 15:40 | #24941 | |
24M | 24.00 mi | 16:39:34 | 5:18:27 | 13:16 | 17:36 | 17:36 | #25044 | |
40K | 24.85 mi | 16:52:16 | 5:31:09 | 13:19 | 12:42 | 14:51 | #25050 | |
25.2M | 25.20 mi | 16:58:45 | 5:37:38 | 13:24 | 6:29 | 18:48 | #25079 | |
Finish | 26.22 mi | 17:11:18 | 5:50:11 | 13:22 | 12:33 | 12:19 | #25058 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F18-39 | Seg. Overall | Seg. Females | Seg. F18-39 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 23618 | 9727 | 9727 | 23532(Top 92%) | 9701(Top 89%) | 9701(Top 208%) |
| 10K | 6.21 mi | 3.10 mi | 23757-139 | 9804-77 | 9804-77 | 23858(Top 93%) | 9889(Top 91%) | 9889(Top 212%) |
| 15K | 9.32 mi | 3.11 mi | 23656+101 | 9765+39 | 9765+39 | 23532(Top 92%) | 9701(Top 89%) | 9701(Top 208%) |
| 20K | 12.43 mi | 3.11 mi | 23694-38 | 9794-29 | 9794-29 | 23492(Top 92%) | 9723(Top 89%) | 9723(Top 209%) |
| Half | 13.11 mi | 0.68 mi | 23692+2 | 9797-3 | 9797-3 | 23622(Top 92%) | 9843(Top 90%) | 9843(Top 211%) |
| 25K | 15.53 mi | 2.42 mi | 23753-61 | 9845-48 | 9845-48 | 23759(Top 93%) | 9943(Top 91%) | 9943(Top 213%) |
| 30K | 18.64 mi | 3.11 mi | 24153-400 | 10100-255 | 10100-255 | 25156(Top 98%) | 10763(Top 99%) | 10763(Top 231%) |
| 20M | 20.00 mi | 1.36 mi | 24263-110 | 10168-68 | 10168-68 | 25126(Top 98%) | 10758(Top 98%) | 10758(Top 231%) |
| 21M | 21.00 mi | 1.00 mi | 24863-600 | 10525-357 | 10525-357 | 25528(Top 100%) | 10916(Top 100%) | 10916(Top 234%) |
| 35K | 21.75 mi | 0.75 mi | 24885-22 | 10545-20 | 10545-20 | 24829(Top 97%) | 10669(Top 98%) | 10669(Top 229%) |
| 23M | 23.00 mi | 1.25 mi | 24941-56 | 10581-36 | 10581-36 | 24976(Top 98%) | 10729(Top 98%) | 10729(Top 230%) |
| 24M | 24.00 mi | 1.00 mi | 25044-103 | 10643-62 | 10643-62 | 25381(Top 99%) | 10880(Top 100%) | 10880(Top 233%) |
| 40K | 24.85 mi | 0.85 mi | 25050-6 | 10652-9 | 10652-9 | 24433(Top 96%) | 10550(Top 97%) | 10550(Top 226%) |
| 25.2M | 25.20 mi | 0.35 mi | 25079-29 | 10671-19 | 10671-19 | 25209(Top 99%) | 10824(Top 99%) | 10824(Top 232%) |
| Finish | 26.22 mi | 1.02 mi | 25058+21 | 10658+13 | 10658+13 | 23660(Top 93%) | 10244(Top 94%) | 10244(Top 220%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
23532
Females
9701
F18-39
9701
5K→10K
3.1 - 6.2 mi
Overall
23858
Females
9889
F18-39
9889
10K→15K
6.2 - 9.3 mi
Overall
23532
Females
9701
F18-39
9701
15K→20K
9.3 - 12.4 mi
Overall
23492
Females
9723
F18-39
9723
20K→Half
12.4 - 13.1 mi
Overall
23622
Females
9843
F18-39
9843
Half→25K
13.1 - 15.5 mi
Overall
23759
Females
9943
F18-39
9943
25K→30K
15.5 - 18.6 mi
Overall
25156
Females
10763
F18-39
10763
30K→20M
18.6 - 20.0 mi
Overall
25126
Females
10758
F18-39
10758
20M→21M
20.0 - 21.0 mi
Overall
25528
Females
10916
F18-39
10916
21M→35K
21.0 - 21.8 mi
Overall
24829
Females
10669
F18-39
10669
35K→23M
21.8 - 23.0 mi
Overall
24976
Females
10729
F18-39
10729
23M→24M
23.0 - 24.0 mi
Overall
25381
Females
10880
F18-39
10880
24M→40K
24.0 - 24.9 mi
Overall
24433
Females
10550
F18-39
10550
40K→25.2M
24.9 - 25.2 mi
Overall
25209
Females
10824
F18-39
10824
25.2M→Finish
25.2 - 26.2 mi
Overall
23660
Females
10244
F18-39
10244
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #23618 |
| 5K → 10K | 138 | 277 | -139 | #23618 | #23757 |
| 10K → 15K | 211 | 110 | +101 | #23757 | #23656 |
| 15K → 20K | 113 | 151 | -38 | #23656 | #23694 |
| 20K → Half | 38 | 36 | +2 | #23694 | #23692 |
| Half → 25K | 72 | 133 | -61 | #23692 | #23753 |
| 25K → 30K | 22 | 422 | -400 | #23753 | #24153 |
| 30K → 20M | 18 | 128 | -110 | #24153 | #24263 |
| 20M → 21M | 2 | 602 | -600 | #24263 | #24863 |
| 21M → 35K | 16 | 38 | -22 | #24863 | #24885 |
| 35K → 23M | 9 | 65 | -56 | #24885 | #24941 |
| 23M → 24M | 4 | 107 | -103 | #24941 | #25044 |
| 24M → 40K | 16 | 22 | -6 | #25044 | #25050 |
| 40K → 25.2M | 3 | 32 | -29 | #25050 | #25079 |
| 25.2M → Finish | 28 | 7 | +21 | #25079 | #25058 |
| TOTALS | 690 | 2130 | -1440 |
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Public Race Data
Enhanced athlete results built from publicly available data.
Race managed by
Boston Athletic Association
Race timed by
Mika Timing
