Shelagh O'Connell
Bib: 25427•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 | 11:52:53 | 31:42 | 10:12 | 31:42 | 10:12 | - |
10K | 6.21 mi | 12:23:54 | 1:02:43 | 10:06 | 31:01 | 9:59 | -0:13 |
15K | 9.32 mi | 12:54:40 | 1:33:29 | 10:02 | 30:46 | 9:54 | -0:05 |
20K | 12.43 mi | 13:26:45 | 2:05:34 | 10:06 | 32:05 | 10:20 | +0:26 |
Half | 13.11 mi | 13:33:51 | 2:12:40 | 10:07 | 7:06 | 10:24 | +0:04 |
25K | 15.53 mi | 14:00:30 | 2:39:19 | 10:15 | 26:39 | 10:59 | +0:35 |
30K | 18.64 mi | 14:35:27 | 3:14:16 | 10:25 | 34:57 | 11:15 | +0:16 |
20M | 20.00 mi | 14:51:23 | 3:30:12 | 10:31 | 15:56 | 11:43 | +0:28 |
21M | 21.00 mi | 15:04:13 | 3:43:02 | 10:37 | 12:50 | 12:50 | +1:07 |
35K | 21.75 mi | 15:12:31 | 3:51:20 | 10:38 | 8:18 | 11:06 | -1:44 |
23M | 23.00 mi | 15:26:36 | 4:05:25 | 10:40 | 14:05 | 11:15 | +0:09 |
24M | 24.00 mi | 15:37:45 | 4:16:34 | 10:41 | 11:09 | 11:09 | -0:06 |
40K | 24.85 mi | 15:47:55 | 4:26:44 | 10:44 | 10:10 | 11:53 | +0:44 |
25.2M | 25.20 mi | 15:52:10 | 4:30:59 | 10:45 | 4:15 | 12:19 | +0:26 |
Finish | 26.22 mi | 16:02:54 | 4:41:43 | 10:45 | 10:44 | 10:32 | -1:47 |
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
9:54 /mi
Average Pace
10:45 /mi
Slowest Pace
12:50 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
2:23:24
51% of race
Time at Steady Pace
1:35:08
34% of race
Time at Slower Pace
43:11
15% of race
Average Pace: 10:45 /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 | 11:52:53 | 31:42 | 10:12 | 31:42 | 10:12 | #23960 | |
10K | 6.21 mi | 12:23:54 | 1:02:43 | 10:06 | 31:01 | 9:59 | #23837 | |
15K | 9.32 mi | 12:54:40 | 1:33:29 | 10:02 | 30:46 | 9:54 | #23672 | |
20K | 12.43 mi | 13:26:45 | 2:05:34 | 10:06 | 32:05 | 10:20 | #23650 | |
Half | 13.11 mi | 13:33:51 | 2:12:40 | 10:07 | 7:06 | 10:24 | #23672 | |
25K | 15.53 mi | 14:00:30 | 2:39:19 | 10:15 | 26:39 | 10:59 | #23694 | |
30K | 18.64 mi | 14:35:27 | 3:14:16 | 10:25 | 34:57 | 11:15 | #23653 | |
20M | 20.00 mi | 14:51:23 | 3:30:12 | 10:31 | 15:56 | 11:43 | #23670 | |
21M | 21.00 mi | 15:04:13 | 3:43:02 | 10:37 | 12:50 | 12:50 | #23693 | |
35K | 21.75 mi | 15:12:31 | 3:51:20 | 10:38 | 8:18 | 11:06 | #23704 | |
23M | 23.00 mi | 15:26:36 | 4:05:25 | 10:40 | 14:05 | 11:15 | #23666 | |
24M | 24.00 mi | 15:37:45 | 4:16:34 | 10:41 | 11:09 | 11:09 | #23659 | |
40K | 24.85 mi | 15:47:55 | 4:26:44 | 10:44 | 10:10 | 11:53 | #23681 | |
25.2M | 25.20 mi | 15:52:10 | 4:30:59 | 10:45 | 4:15 | 12:19 | #23675 | |
Finish | 26.22 mi | 16:02:54 | 4:41:43 | 10:45 | 10:44 | 10:32 | #23660 |
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 | 23960 | 9869 | 9869 | 23315(Top 88%) | 9503(Top 83%) | 9503(Top 195%) |
| 10K | 6.21 mi | 3.10 mi | 23837+123 | 9803+66 | 9803+66 | 23655(Top 89%) | 9705(Top 85%) | 9705(Top 199%) |
| 15K | 9.32 mi | 3.11 mi | 23672+165 | 9714+89 | 9714+89 | 23315(Top 88%) | 9503(Top 83%) | 9503(Top 195%) |
| 20K | 12.43 mi | 3.11 mi | 23650+22 | 9696+18 | 9696+18 | 23525(Top 88%) | 9646(Top 84%) | 9646(Top 198%) |
| Half | 13.11 mi | 0.68 mi | 23672-22 | 9706-10 | 9706-10 | 24043(Top 90%) | 9934(Top 87%) | 9934(Top 203%) |
| 25K | 15.53 mi | 2.42 mi | 23694-22 | 9733-27 | 9733-27 | 23963(Top 90%) | 9935(Top 87%) | 9935(Top 203%) |
| 30K | 18.64 mi | 3.11 mi | 23653+41 | 9727+6 | 9727+6 | 23501(Top 88%) | 9735(Top 85%) | 9735(Top 199%) |
| 20M | 20.00 mi | 1.36 mi | 23670-17 | 9750-23 | 9750-23 | 23854(Top 90%) | 9994(Top 87%) | 9994(Top 205%) |
| 21M | 21.00 mi | 1.00 mi | 23693-23 | 9769-19 | 9769-19 | 23886(Top 90%) | 10027(Top 88%) | 10027(Top 205%) |
| 35K | 21.75 mi | 0.75 mi | 23704-11 | 9778-9 | 9778-9 | 23472(Top 88%) | 9856(Top 86%) | 9856(Top 202%) |
| 23M | 23.00 mi | 1.25 mi | 23666+38 | 9763+15 | 9763+15 | 22819(Top 86%) | 9499(Top 83%) | 9499(Top 194%) |
| 24M | 24.00 mi | 1.00 mi | 23659+7 | 9776-13 | 9776-13 | 23324(Top 88%) | 9810(Top 86%) | 9810(Top 201%) |
| 40K | 24.85 mi | 0.85 mi | 23681-22 | 9793-17 | 9793-17 | 23758(Top 89%) | 10061(Top 88%) | 10061(Top 206%) |
| 25.2M | 25.20 mi | 0.35 mi | 23675+6 | 9797-4 | 9797-4 | 23041(Top 87%) | 9687(Top 85%) | 9687(Top 198%) |
| Finish | 26.22 mi | 1.02 mi | 23660+15 | 9792+5 | 9792+5 | 23079(Top 87%) | 9688(Top 85%) | 9688(Top 198%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
23315
Females
9503
F18-39
9503
5K→10K
3.1 - 6.2 mi
Overall
23655
Females
9705
F18-39
9705
10K→15K
6.2 - 9.3 mi
Overall
23315
Females
9503
F18-39
9503
15K→20K
9.3 - 12.4 mi
Overall
23525
Females
9646
F18-39
9646
20K→Half
12.4 - 13.1 mi
Overall
24043
Females
9934
F18-39
9934
Half→25K
13.1 - 15.5 mi
Overall
23963
Females
9935
F18-39
9935
25K→30K
15.5 - 18.6 mi
Overall
23501
Females
9735
F18-39
9735
30K→20M
18.6 - 20.0 mi
Overall
23854
Females
9994
F18-39
9994
20M→21M
20.0 - 21.0 mi
Overall
23886
Females
10027
F18-39
10027
21M→35K
21.0 - 21.8 mi
Overall
23472
Females
9856
F18-39
9856
35K→23M
21.8 - 23.0 mi
Overall
22819
Females
9499
F18-39
9499
23M→24M
23.0 - 24.0 mi
Overall
23324
Females
9810
F18-39
9810
24M→40K
24.0 - 24.9 mi
Overall
23758
Females
10061
F18-39
10061
40K→25.2M
24.9 - 25.2 mi
Overall
23041
Females
9687
F18-39
9687
25.2M→Finish
25.2 - 26.2 mi
Overall
23079
Females
9688
F18-39
9688
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #23960 |
| 5K → 10K | 273 | 150 | +123 | #23960 | #23837 |
| 10K → 15K | 208 | 43 | +165 | #23837 | #23672 |
| 15K → 20K | 136 | 114 | +22 | #23672 | #23650 |
| 20K → Half | 13 | 35 | -22 | #23650 | #23672 |
| Half → 25K | 73 | 95 | -22 | #23672 | #23694 |
| 25K → 30K | 121 | 80 | +41 | #23694 | #23653 |
| 30K → 20M | 47 | 64 | -17 | #23653 | #23670 |
| 20M → 21M | 35 | 58 | -23 | #23670 | #23693 |
| 21M → 35K | 16 | 27 | -11 | #23693 | #23704 |
| 35K → 23M | 63 | 25 | +38 | #23704 | #23666 |
| 23M → 24M | 39 | 32 | +7 | #23666 | #23659 |
| 24M → 40K | 20 | 42 | -22 | #23659 | #23681 |
| 40K → 25.2M | 16 | 10 | +6 | #23681 | #23675 |
| 25.2M → Finish | 36 | 21 | +15 | #23675 | #23660 |
| TOTALS | 1096 | 796 | +300 |
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
