Sarah Guerin
Bib: 25884•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 | 11:49:35 | 33:19 | 10:43 | 33:19 | 10:43 | - |
10K | 6.21 mi | 12:22:42 | 1:06:26 | 10:41 | 33:07 | 10:40 | -0:03 |
15K | 9.32 mi | 12:58:02 | 1:41:46 | 10:55 | 35:20 | 11:22 | +0:42 |
20K | 12.43 mi | 13:35:11 | 2:18:55 | 11:11 | 37:09 | 11:57 | +0:35 |
Half | 13.11 mi | 13:42:21 | 2:26:05 | 11:09 | 7:10 | 10:30 | -1:27 |
25K | 15.53 mi | 14:12:12 | 2:55:56 | 11:20 | 29:51 | 12:19 | +1:49 |
30K | 18.64 mi | 14:53:57 | 3:37:41 | 11:41 | 41:45 | 13:26 | +1:07 |
20M | 20.00 mi | 15:11:46 | 3:55:30 | 11:46 | 17:49 | 13:07 | -0:19 |
21M | 21.00 mi | 15:26:42 | 4:10:26 | 11:56 | 14:56 | 14:56 | +1:49 |
35K | 21.75 mi | 15:36:21 | 4:20:05 | 11:58 | 9:39 | 12:54 | -2:02 |
23M | 23.00 mi | 15:52:24 | 4:36:08 | 12:00 | 16:03 | 12:49 | -0:05 |
24M | 24.00 mi | 16:05:38 | 4:49:22 | 12:03 | 13:14 | 13:14 | +0:25 |
40K | 24.85 mi | 16:16:58 | 5:00:42 | 12:06 | 11:20 | 13:15 | +0:01 |
25.2M | 25.20 mi | 16:22:24 | 5:06:08 | 12:09 | 5:26 | 15:45 | +2:30 |
Finish | 26.22 mi | 16:33:31 | 5:17:15 | 12:07 | 11:07 | 10:55 | -4:50 |
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
10:30 /mi
Average Pace
12:07 /mi
Slowest Pace
15:45 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
2:37:12
50% of race
Time at Steady Pace
2:19:41
44% of race
Time at Slower Pace
20:22
6% of race
Average Pace: 12:06 /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 | 11:49:35 | 33:19 | 10:43 | 33:19 | 10:43 | #24482 | |
10K | 6.21 mi | 12:22:42 | 1:06:26 | 10:41 | 33:07 | 10:40 | #24129 | |
15K | 9.32 mi | 12:58:02 | 1:41:46 | 10:55 | 35:20 | 11:22 | #24182 | |
20K | 12.43 mi | 13:35:11 | 2:18:55 | 11:11 | 37:09 | 11:57 | #24135 | |
Half | 13.11 mi | 13:42:21 | 2:26:05 | 11:09 | 7:10 | 10:30 | #24079 | |
25K | 15.53 mi | 14:12:12 | 2:55:56 | 11:20 | 29:51 | 12:19 | #23995 | |
30K | 18.64 mi | 14:53:57 | 3:37:41 | 11:41 | 41:45 | 13:26 | #23958 | |
20M | 20.00 mi | 15:11:46 | 3:55:30 | 11:46 | 17:49 | 13:07 | #23909 | |
21M | 21.00 mi | 15:26:42 | 4:10:26 | 11:56 | 14:56 | 14:56 | #23891 | |
35K | 21.75 mi | 15:36:21 | 4:20:05 | 11:58 | 9:39 | 12:54 | #23870 | |
23M | 23.00 mi | 15:52:24 | 4:36:08 | 12:00 | 16:03 | 12:49 | #23804 | |
24M | 24.00 mi | 16:05:38 | 4:49:22 | 12:03 | 13:14 | 13:14 | #23792 | |
40K | 24.85 mi | 16:16:58 | 5:00:42 | 12:06 | 11:20 | 13:15 | #23769 | |
25.2M | 25.20 mi | 16:22:24 | 5:06:08 | 12:09 | 5:26 | 15:45 | #23775 | |
Finish | 26.22 mi | 16:33:31 | 5:17:15 | 12:07 | 11:07 | 10:55 | #23723 |
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 | 24482 | 10234 | 10234 | 24157(Top 95%) | 10063(Top 92%) | 10063(Top 216%) |
| 10K | 6.21 mi | 3.10 mi | 24129+353 | 10031+203 | 10031+203 | 23793(Top 93%) | 9854(Top 90%) | 9854(Top 211%) |
| 15K | 9.32 mi | 3.11 mi | 24182-53 | 10065-34 | 10065-34 | 24157(Top 95%) | 10063(Top 92%) | 10063(Top 216%) |
| 20K | 12.43 mi | 3.11 mi | 24135+47 | 10049+16 | 10049+16 | 23958(Top 94%) | 9982(Top 91%) | 9982(Top 214%) |
| Half | 13.11 mi | 0.68 mi | 24079+56 | 10014+35 | 10014+35 | 22679(Top 89%) | 9324(Top 85%) | 9324(Top 200%) |
| 25K | 15.53 mi | 2.42 mi | 23995+84 | 9983+31 | 9983+31 | 23538(Top 92%) | 9832(Top 90%) | 9832(Top 211%) |
| 30K | 18.64 mi | 3.11 mi | 23958+37 | 9996-13 | 9996-13 | 23750(Top 93%) | 10039(Top 92%) | 10039(Top 215%) |
| 20M | 20.00 mi | 1.36 mi | 23909+49 | 10000-4 | 10000-4 | 23004(Top 90%) | 9761(Top 89%) | 9761(Top 209%) |
| 21M | 21.00 mi | 1.00 mi | 23891+18 | 9990+10 | 9990+10 | 23483(Top 92%) | 10023(Top 92%) | 10023(Top 215%) |
| 35K | 21.75 mi | 0.75 mi | 23870+21 | 9992-2 | 9992-2 | 23126(Top 91%) | 9884(Top 90%) | 9884(Top 212%) |
| 23M | 23.00 mi | 1.25 mi | 23804+66 | 9965+27 | 9965+27 | 22257(Top 87%) | 9491(Top 87%) | 9491(Top 204%) |
| 24M | 24.00 mi | 1.00 mi | 23792+12 | 9973-8 | 9973-8 | 23403(Top 92%) | 10101(Top 92%) | 10101(Top 217%) |
| 40K | 24.85 mi | 0.85 mi | 23769+23 | 9966+7 | 9966+7 | 22662(Top 89%) | 9774(Top 89%) | 9774(Top 210%) |
| 25.2M | 25.20 mi | 0.35 mi | 23775-6 | 9973-7 | 9973-7 | 23852(Top 93%) | 10307(Top 94%) | 10307(Top 221%) |
| Finish | 26.22 mi | 1.02 mi | 23723+52 | 9956+17 | 9956+17 | 21133(Top 83%) | 9043(Top 83%) | 9043(Top 194%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
24157
Females
10063
F18-39
10063
5K→10K
3.1 - 6.2 mi
Overall
23793
Females
9854
F18-39
9854
10K→15K
6.2 - 9.3 mi
Overall
24157
Females
10063
F18-39
10063
15K→20K
9.3 - 12.4 mi
Overall
23958
Females
9982
F18-39
9982
20K→Half
12.4 - 13.1 mi
Overall
22679
Females
9324
F18-39
9324
Half→25K
13.1 - 15.5 mi
Overall
23538
Females
9832
F18-39
9832
25K→30K
15.5 - 18.6 mi
Overall
23750
Females
10039
F18-39
10039
30K→20M
18.6 - 20.0 mi
Overall
23004
Females
9761
F18-39
9761
20M→21M
20.0 - 21.0 mi
Overall
23483
Females
10023
F18-39
10023
21M→35K
21.0 - 21.8 mi
Overall
23126
Females
9884
F18-39
9884
35K→23M
21.8 - 23.0 mi
Overall
22257
Females
9491
F18-39
9491
23M→24M
23.0 - 24.0 mi
Overall
23403
Females
10101
F18-39
10101
24M→40K
24.0 - 24.9 mi
Overall
22662
Females
9774
F18-39
9774
40K→25.2M
24.9 - 25.2 mi
Overall
23852
Females
10307
F18-39
10307
25.2M→Finish
25.2 - 26.2 mi
Overall
21133
Females
9043
F18-39
9043
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #24482 |
| 5K → 10K | 393 | 40 | +353 | #24482 | #24129 |
| 10K → 15K | 122 | 175 | -53 | #24129 | #24182 |
| 15K → 20K | 128 | 81 | +47 | #24182 | #24135 |
| 20K → Half | 58 | 2 | +56 | #24135 | #24079 |
| Half → 25K | 118 | 34 | +84 | #24079 | #23995 |
| 25K → 30K | 116 | 79 | +37 | #23995 | #23958 |
| 30K → 20M | 79 | 30 | +49 | #23958 | #23909 |
| 20M → 21M | 52 | 34 | +18 | #23909 | #23891 |
| 21M → 35K | 40 | 19 | +21 | #23891 | #23870 |
| 35K → 23M | 80 | 14 | +66 | #23870 | #23804 |
| 23M → 24M | 42 | 30 | +12 | #23804 | #23792 |
| 24M → 40K | 32 | 9 | +23 | #23792 | #23769 |
| 40K → 25.2M | 11 | 17 | -6 | #23769 | #23775 |
| 25.2M → Finish | 58 | 6 | +52 | #23775 | #23723 |
| TOTALS | 1329 | 570 | +759 |
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
