Katherine Kowalchek
Bib: 25033•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 | 11:45:54 | 29:49 | 9:36 | 29:49 | 9:36 | - |
10K | 6.21 mi | 12:15:46 | 59:41 | 9:36 | 29:52 | 9:37 | +0:01 |
15K | 9.32 mi | 12:46:26 | 1:30:21 | 9:42 | 30:40 | 9:52 | +0:15 |
20K | 12.43 mi | 13:18:33 | 2:02:28 | 9:51 | 32:07 | 10:20 | +0:28 |
Half | 13.11 mi | 13:25:38 | 2:09:33 | 9:53 | 7:05 | 10:23 | +0:03 |
25K | 15.53 mi | 13:51:46 | 2:35:41 | 10:01 | 26:08 | 10:47 | +0:24 |
30K | 18.64 mi | 14:28:46 | 3:12:41 | 10:20 | 37:00 | 11:55 | +1:08 |
20M | 20.00 mi | 14:46:04 | 3:29:59 | 10:30 | 17:18 | 12:44 | +0:49 |
21M | 21.00 mi | 14:59:19 | 3:43:14 | 10:38 | 13:15 | 13:15 | +0:31 |
35K | 21.75 mi | 15:11:46 | 3:55:41 | 10:50 | 12:27 | 16:38 | +3:23 |
23M | 23.00 mi | 15:25:39 | 4:09:34 | 10:51 | 13:53 | 11:05 | -5:33 |
24M | 24.00 mi | 15:36:35 | 4:20:30 | 10:51 | 10:56 | 10:56 | -0:09 |
40K | 24.85 mi | 15:46:39 | 4:30:34 | 10:53 | 10:04 | 11:46 | +0:50 |
25.2M | 25.20 mi | 15:51:08 | 4:35:03 | 10:55 | 4:29 | 13:00 | +1:14 |
Finish | 26.22 mi | 16:03:53 | 4:47:48 | 10:59 | 12:45 | 12:31 | -0:29 |
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
9:36 /mi
Average Pace
10:59 /mi
Slowest Pace
16:38 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:30:21
31% of race
Time at Steady Pace
2:17:13
48% of race
Time at Slower Pace
1:00:14
21% of race
Average Pace: 10:59 /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 | 11:45:54 | 29:49 | 9:36 | 29:49 | 9:36 | #22013 | |
10K | 6.21 mi | 12:15:46 | 59:41 | 9:36 | 29:52 | 9:37 | #21832 | |
15K | 9.32 mi | 12:46:26 | 1:30:21 | 9:42 | 30:40 | 9:52 | #21758 | |
20K | 12.43 mi | 13:18:33 | 2:02:28 | 9:51 | 32:07 | 10:20 | #21630 | |
Half | 13.11 mi | 13:25:38 | 2:09:33 | 9:53 | 7:05 | 10:23 | #21661 | |
25K | 15.53 mi | 13:51:46 | 2:35:41 | 10:01 | 26:08 | 10:47 | #21533 | |
30K | 18.64 mi | 14:28:46 | 3:12:41 | 10:20 | 37:00 | 11:55 | #21593 | |
20M | 20.00 mi | 14:46:04 | 3:29:59 | 10:30 | 17:18 | 12:44 | #21684 | |
21M | 21.00 mi | 14:59:19 | 3:43:14 | 10:38 | 13:15 | 13:15 | #21676 | |
35K | 21.75 mi | 15:11:46 | 3:55:41 | 10:50 | 12:27 | 16:38 | #21992 | |
23M | 23.00 mi | 15:25:39 | 4:09:34 | 10:51 | 13:53 | 11:05 | #21814 | |
24M | 24.00 mi | 15:36:35 | 4:20:30 | 10:51 | 10:56 | 10:56 | #21697 | |
40K | 24.85 mi | 15:46:39 | 4:30:34 | 10:53 | 10:04 | 11:46 | #21648 | |
25.2M | 25.20 mi | 15:51:08 | 4:35:03 | 10:55 | 4:29 | 13:00 | #21619 | |
Finish | 26.22 mi | 16:03:53 | 4:47:48 | 10:59 | 12:45 | 12:31 | #21734 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F45-49 | Seg. Overall | Seg. Females | Seg. F45-49 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 22013 | 8911 | 8911 | 21616(Top 85%) | 8665(Top 79%) | 8665(Top 494%) |
| 10K | 6.21 mi | 3.10 mi | 21832+181 | 8824+87 | 8824+87 | 21667(Top 85%) | 8746(Top 80%) | 8746(Top 499%) |
| 15K | 9.32 mi | 3.11 mi | 21758+74 | 8773+51 | 8773+51 | 21616(Top 85%) | 8665(Top 79%) | 8665(Top 494%) |
| 20K | 12.43 mi | 3.11 mi | 21630+128 | 8713+60 | 8713+60 | 21327(Top 83%) | 8543(Top 78%) | 8543(Top 487%) |
| Half | 13.11 mi | 0.68 mi | 21661-31 | 8732-19 | 8732-19 | 22424(Top 88%) | 9183(Top 84%) | 9183(Top 524%) |
| 25K | 15.53 mi | 2.42 mi | 21533+128 | 8661+71 | 8661+71 | 21044(Top 82%) | 8490(Top 78%) | 8490(Top 484%) |
| 30K | 18.64 mi | 3.11 mi | 21593-60 | 8755-94 | 8755-94 | 21773(Top 85%) | 9043(Top 83%) | 9043(Top 516%) |
| 20M | 20.00 mi | 1.36 mi | 21684-91 | 8835-80 | 8835-80 | 22503(Top 88%) | 9508(Top 87%) | 9508(Top 542%) |
| 21M | 21.00 mi | 1.00 mi | 21676+8 | 8841-6 | 8841-6 | 21176(Top 83%) | 8888(Top 81%) | 8888(Top 507%) |
| 35K | 21.75 mi | 0.75 mi | 21992-316 | 9014-173 | 9014-173 | 25286(Top 99%) | 10839(Top 99%) | 10839(Top 618%) |
| 23M | 23.00 mi | 1.25 mi | 21814+178 | 8953+61 | 8953+61 | 18684(Top 73%) | 7741(Top 71%) | 7741(Top 442%) |
| 24M | 24.00 mi | 1.00 mi | 21697+117 | 8920+33 | 8920+33 | 19076(Top 75%) | 7998(Top 73%) | 7998(Top 456%) |
| 40K | 24.85 mi | 0.85 mi | 21648+49 | 8914+6 | 8914+6 | 19995(Top 78%) | 8519(Top 78%) | 8519(Top 486%) |
| 25.2M | 25.20 mi | 0.35 mi | 21619+29 | 8906+8 | 8906+8 | 19742(Top 77%) | 8397(Top 77%) | 8397(Top 479%) |
| Finish | 26.22 mi | 1.02 mi | 21734-115 | 8968-62 | 8968-62 | 23896(Top 94%) | 10339(Top 95%) | 10339(Top 590%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
21616
Females
8665
F45-49
8665
5K→10K
3.1 - 6.2 mi
Overall
21667
Females
8746
F45-49
8746
10K→15K
6.2 - 9.3 mi
Overall
21616
Females
8665
F45-49
8665
15K→20K
9.3 - 12.4 mi
Overall
21327
Females
8543
F45-49
8543
20K→Half
12.4 - 13.1 mi
Overall
22424
Females
9183
F45-49
9183
Half→25K
13.1 - 15.5 mi
Overall
21044
Females
8490
F45-49
8490
25K→30K
15.5 - 18.6 mi
Overall
21773
Females
9043
F45-49
9043
30K→20M
18.6 - 20.0 mi
Overall
22503
Females
9508
F45-49
9508
20M→21M
20.0 - 21.0 mi
Overall
21176
Females
8888
F45-49
8888
21M→35K
21.0 - 21.8 mi
Overall
25286
Females
10839
F45-49
10839
35K→23M
21.8 - 23.0 mi
Overall
18684
Females
7741
F45-49
7741
23M→24M
23.0 - 24.0 mi
Overall
19076
Females
7998
F45-49
7998
24M→40K
24.0 - 24.9 mi
Overall
19995
Females
8519
F45-49
8519
40K→25.2M
24.9 - 25.2 mi
Overall
19742
Females
8397
F45-49
8397
25.2M→Finish
25.2 - 26.2 mi
Overall
23896
Females
10339
F45-49
10339
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #22013 |
| 5K → 10K | 335 | 154 | +181 | #22013 | #21832 |
| 10K → 15K | 211 | 137 | +74 | #21832 | #21758 |
| 15K → 20K | 246 | 118 | +128 | #21758 | #21630 |
| 20K → Half | 20 | 51 | -31 | #21630 | #21661 |
| Half → 25K | 217 | 89 | +128 | #21661 | #21533 |
| 25K → 30K | 156 | 216 | -60 | #21533 | #21593 |
| 30K → 20M | 58 | 149 | -91 | #21593 | #21684 |
| 20M → 21M | 69 | 61 | +8 | #21684 | #21676 |
| 21M → 35K | 13 | 329 | -316 | #21676 | #21992 |
| 35K → 23M | 186 | 8 | +178 | #21992 | #21814 |
| 23M → 24M | 120 | 3 | +117 | #21814 | #21697 |
| 24M → 40K | 71 | 22 | +49 | #21697 | #21648 |
| 40K → 25.2M | 35 | 6 | +29 | #21648 | #21619 |
| 25.2M → Finish | 23 | 138 | -115 | #21619 | #21734 |
| TOTALS | 1760 | 1481 | +279 |
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
