Kate O'Sullivan Messerli
Bib: 16810•F
CA
⏱️ 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 | 11:18:18 | 26:59 | 8:41 | 26:59 | 8:41 | - |
10K | 6.21 mi | 11:46:57 | 55:38 | 8:57 | 28:39 | 9:13 | +0:32 |
15K | 9.32 mi | 12:13:38 | 1:22:19 | 8:50 | 26:41 | 8:35 | -0:38 |
20K | 12.43 mi | 12:43:08 | 1:51:49 | 9:00 | 29:30 | 9:30 | +0:55 |
Half | 13.11 mi | 12:49:02 | 1:57:43 | 8:59 | 5:54 | 8:39 | -0:51 |
25K | 15.53 mi | 13:10:12 | 2:18:53 | 8:56 | 21:10 | 8:44 | +0:05 |
30K | 18.64 mi | 13:37:56 | 2:46:37 | 8:56 | 27:44 | 8:56 | +0:12 |
20M | 20.00 mi | 13:49:56 | 2:58:37 | 8:56 | 12:00 | 8:50 | -0:06 |
21M | 21.00 mi | 13:59:18 | 3:07:59 | 8:57 | 9:22 | 9:22 | +0:32 |
35K | 21.75 mi | 14:05:58 | 3:14:39 | 8:57 | 6:40 | 8:55 | -0:27 |
23M | 23.00 mi | 14:16:57 | 3:25:38 | 8:56 | 10:59 | 8:46 | -0:09 |
24M | 24.00 mi | 14:25:34 | 3:34:15 | 8:56 | 8:37 | 8:37 | -0:09 |
40K | 24.85 mi | 14:32:56 | 3:41:37 | 8:55 | 7:22 | 8:37 | 0:00 |
25.2M | 25.20 mi | 14:36:04 | 3:44:45 | 8:55 | 3:08 | 9:05 | +0:28 |
Finish | 26.22 mi | 14:44:38 | 3:53:19 | 8:54 | 8:34 | 8:24 | -0:41 |
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
8:24 /mi
Average Pace
8:54 /mi
Slowest Pace
9:30 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
3:14:27
83% of race
Time at Steady Pace
38:52
17% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 8:54 /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 | 11:18:18 | 26:59 | 8:41 | 26:59 | 8:41 | #18787 | |
10K | 6.21 mi | 11:46:57 | 55:38 | 8:57 | 28:39 | 9:13 | #20433 | |
15K | 9.32 mi | 12:13:38 | 1:22:19 | 8:50 | 26:41 | 8:35 | #19773 | |
20K | 12.43 mi | 12:43:08 | 1:51:49 | 9:00 | 29:30 | 9:30 | #20352 | |
Half | 13.11 mi | 12:49:02 | 1:57:43 | 8:59 | 5:54 | 8:39 | #20265 | |
25K | 15.53 mi | 13:10:12 | 2:18:53 | 8:56 | 21:10 | 8:44 | #19840 | |
30K | 18.64 mi | 13:37:56 | 2:46:37 | 8:56 | 27:44 | 8:56 | #19304 | |
20M | 20.00 mi | 13:49:56 | 2:58:37 | 8:56 | 12:00 | 8:50 | #19031 | |
21M | 21.00 mi | 13:59:18 | 3:07:59 | 8:57 | 9:22 | 9:22 | #18817 | |
35K | 21.75 mi | 14:05:58 | 3:14:39 | 8:57 | 6:40 | 8:55 | #18755 | |
23M | 23.00 mi | 14:16:57 | 3:25:38 | 8:56 | 10:59 | 8:46 | #18521 | |
24M | 24.00 mi | 14:25:34 | 3:34:15 | 8:56 | 8:37 | 8:37 | #18385 | |
40K | 24.85 mi | 14:32:56 | 3:41:37 | 8:55 | 7:22 | 8:37 | #18242 | |
25.2M | 25.20 mi | 14:36:04 | 3:44:45 | 8:55 | 3:08 | 9:05 | #18168 | |
Finish | 26.22 mi | 14:44:38 | 3:53:19 | 8:54 | 8:34 | 8:24 | #18046 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F40-44 | Seg. Overall | Seg. Females | Seg. F40-44 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 18787 | 7067 | 7067 | 18373(Top 69%) | 6717(Top 59%) | 6717(Top 358%) |
| 10K | 6.21 mi | 3.10 mi | 20433-1646 | 7993-926 | 7993-926 | 21682(Top 81%) | 8647(Top 76%) | 8647(Top 460%) |
| 15K | 9.32 mi | 3.11 mi | 19773+660 | 7603+390 | 7603+390 | 18373(Top 69%) | 6717(Top 59%) | 6717(Top 358%) |
| 20K | 12.43 mi | 3.11 mi | 20352-579 | 7917-314 | 7917-314 | 21541(Top 81%) | 8543(Top 75%) | 8543(Top 455%) |
| Half | 13.11 mi | 0.68 mi | 20265+87 | 7866+51 | 7866+51 | 18647(Top 70%) | 6861(Top 60%) | 6861(Top 365%) |
| 25K | 15.53 mi | 2.42 mi | 19840+425 | 7628+238 | 7628+238 | 17556(Top 66%) | 6316(Top 55%) | 6316(Top 336%) |
| 30K | 18.64 mi | 3.11 mi | 19304+536 | 7317+311 | 7317+311 | 16815(Top 63%) | 5960(Top 52%) | 5960(Top 317%) |
| 20M | 20.00 mi | 1.36 mi | 19031+273 | 7178+139 | 7178+139 | 15642(Top 59%) | 5364(Top 47%) | 5364(Top 286%) |
| 21M | 21.00 mi | 1.00 mi | 18817+214 | 7064+114 | 7064+114 | 15360(Top 58%) | 5268(Top 46%) | 5268(Top 281%) |
| 35K | 21.75 mi | 0.75 mi | 18755+62 | 7032+32 | 7032+32 | 17532(Top 66%) | 6574(Top 58%) | 6574(Top 350%) |
| 23M | 23.00 mi | 1.25 mi | 18521+234 | 6908+124 | 6908+124 | 14866(Top 56%) | 5109(Top 45%) | 5109(Top 272%) |
| 24M | 24.00 mi | 1.00 mi | 18385+136 | 6847+61 | 6847+61 | 15215(Top 57%) | 5366(Top 47%) | 5366(Top 286%) |
| 40K | 24.85 mi | 0.85 mi | 18242+143 | 6780+67 | 6780+67 | 14108(Top 53%) | 4819(Top 42%) | 4819(Top 257%) |
| 25.2M | 25.20 mi | 0.35 mi | 18168+74 | 6741+39 | 6741+39 | 13130(Top 49%) | 4328(Top 38%) | 4328(Top 230%) |
| Finish | 26.22 mi | 1.02 mi | 18046+122 | 6683+58 | 6683+58 | 14832(Top 56%) | 5181(Top 45%) | 5181(Top 276%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
18373
Females
6717
F40-44
6717
5K→10K
3.1 - 6.2 mi
Overall
21682
Females
8647
F40-44
8647
10K→15K
6.2 - 9.3 mi
Overall
18373
Females
6717
F40-44
6717
15K→20K
9.3 - 12.4 mi
Overall
21541
Females
8543
F40-44
8543
20K→Half
12.4 - 13.1 mi
Overall
18647
Females
6861
F40-44
6861
Half→25K
13.1 - 15.5 mi
Overall
17556
Females
6316
F40-44
6316
25K→30K
15.5 - 18.6 mi
Overall
16815
Females
5960
F40-44
5960
30K→20M
18.6 - 20.0 mi
Overall
15642
Females
5364
F40-44
5364
20M→21M
20.0 - 21.0 mi
Overall
15360
Females
5268
F40-44
5268
21M→35K
21.0 - 21.8 mi
Overall
17532
Females
6574
F40-44
6574
35K→23M
21.8 - 23.0 mi
Overall
14866
Females
5109
F40-44
5109
23M→24M
23.0 - 24.0 mi
Overall
15215
Females
5366
F40-44
5366
24M→40K
24.0 - 24.9 mi
Overall
14108
Females
4819
F40-44
4819
40K→25.2M
24.9 - 25.2 mi
Overall
13130
Females
4328
F40-44
4328
25.2M→Finish
25.2 - 26.2 mi
Overall
14832
Females
5181
F40-44
5181
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #18787 |
| 5K → 10K | 19 | 1665 | -1646 | #18787 | #20433 |
| 10K → 15K | 681 | 21 | +660 | #20433 | #19773 |
| 15K → 20K | 48 | 627 | -579 | #19773 | #20352 |
| 20K → Half | 92 | 5 | +87 | #20352 | #20265 |
| Half → 25K | 429 | 4 | +425 | #20265 | #19840 |
| 25K → 30K | 545 | 9 | +536 | #19840 | #19304 |
| 30K → 20M | 275 | 2 | +273 | #19304 | #19031 |
| 20M → 21M | 222 | 8 | +214 | #19031 | #18817 |
| 21M → 35K | 82 | 20 | +62 | #18817 | #18755 |
| 35K → 23M | 238 | 4 | +234 | #18755 | #18521 |
| 23M → 24M | 143 | 7 | +136 | #18521 | #18385 |
| 24M → 40K | 146 | 3 | +143 | #18385 | #18242 |
| 40K → 25.2M | 75 | 1 | +74 | #18242 | #18168 |
| 25.2M → Finish | 134 | 12 | +122 | #18168 | #18046 |
| TOTALS | 3129 | 2388 | +741 |
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Public Race Data
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Race managed by
Boston Athletic Association
Race timed by
Mika Timing
