Katherine Shannahan
Bib: 26379•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 | 11:53:02 | 35:24 | 11:24 | 35:24 | 11:24 | - |
10K | 6.21 mi | 12:28:25 | 1:10:47 | 11:23 | 35:23 | 11:23 | -0:01 |
15K | 9.32 mi | 13:03:55 | 1:46:17 | 11:24 | 35:30 | 11:26 | +0:03 |
20K | 12.43 mi | 13:40:18 | 2:22:40 | 11:29 | 36:23 | 11:43 | +0:17 |
Half | 13.11 mi | 13:48:00 | 2:30:22 | 11:28 | 7:42 | 11:17 | -0:26 |
25K | 15.53 mi | 14:18:47 | 3:01:09 | 11:40 | 30:47 | 12:42 | +1:25 |
30K | 18.64 mi | 15:00:16 | 3:42:38 | 11:57 | 41:29 | 13:21 | +0:39 |
20M | 20.00 mi | 15:19:03 | 4:01:25 | 12:04 | 18:47 | 13:49 | +0:28 |
21M | 21.00 mi | 15:34:36 | 4:16:58 | 12:14 | 15:33 | 15:33 | +1:44 |
35K | 21.75 mi | 15:43:41 | 4:26:03 | 12:14 | 9:05 | 12:08 | -3:25 |
23M | 23.00 mi | 16:01:16 | 4:43:38 | 12:20 | 17:35 | 14:03 | +1:55 |
24M | 24.00 mi | 16:15:21 | 4:57:43 | 12:24 | 14:05 | 14:05 | +0:02 |
40K | 24.85 mi | 16:26:24 | 5:08:46 | 12:25 | 11:03 | 12:55 | -1:10 |
25.2M | 25.20 mi | 16:31:45 | 5:14:07 | 12:28 | 5:21 | 15:31 | +2:36 |
Finish | 26.22 mi | 16:44:27 | 5:26:49 | 12:28 | 12:42 | 12:28 | -3:03 |
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
11:17 /mi
Average Pace
12:28 /mi
Slowest Pace
15:33 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
2:30:22
46% of race
Time at Steady Pace
1:45:06
32% of race
Time at Slower Pace
1:11:21
22% of race
Average Pace: 12:28 /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 | 11:53:02 | 35:24 | 11:24 | 35:24 | 11:24 | #25157 | |
10K | 6.21 mi | 12:28:25 | 1:10:47 | 11:23 | 35:23 | 11:23 | #24943 | |
15K | 9.32 mi | 13:03:55 | 1:46:17 | 11:24 | 35:30 | 11:26 | #24741 | |
20K | 12.43 mi | 13:40:18 | 2:22:40 | 11:29 | 36:23 | 11:43 | #24485 | |
Half | 13.11 mi | 13:48:00 | 2:30:22 | 11:28 | 7:42 | 11:17 | #24454 | |
25K | 15.53 mi | 14:18:47 | 3:01:09 | 11:40 | 30:47 | 12:42 | #24365 | |
30K | 18.64 mi | 15:00:16 | 3:42:38 | 11:57 | 41:29 | 13:21 | #24245 | |
20M | 20.00 mi | 15:19:03 | 4:01:25 | 12:04 | 18:47 | 13:49 | #24225 | |
21M | 21.00 mi | 15:34:36 | 4:16:58 | 12:14 | 15:33 | 15:33 | #24219 | |
35K | 21.75 mi | 15:43:41 | 4:26:03 | 12:14 | 9:05 | 12:08 | #24166 | |
23M | 23.00 mi | 16:01:16 | 4:43:38 | 12:20 | 17:35 | 14:03 | #24173 | |
24M | 24.00 mi | 16:15:21 | 4:57:43 | 12:24 | 14:05 | 14:05 | #24206 | |
40K | 24.85 mi | 16:26:24 | 5:08:46 | 12:25 | 11:03 | 12:55 | #24164 | |
25.2M | 25.20 mi | 16:31:45 | 5:14:07 | 12:28 | 5:21 | 15:31 | #24161 | |
Finish | 26.22 mi | 16:44:27 | 5:26:49 | 12:28 | 12:42 | 12:28 | #24173 |
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 | 25157 | 10664 | 10664 | 24219(Top 95%) | 10101(Top 92%) | 10101(Top 217%) |
| 10K | 6.21 mi | 3.10 mi | 24943+214 | 10527+137 | 10527+137 | 24669(Top 97%) | 10366(Top 95%) | 10366(Top 222%) |
| 15K | 9.32 mi | 3.11 mi | 24741+202 | 10403+124 | 10403+124 | 24219(Top 95%) | 10101(Top 92%) | 10101(Top 217%) |
| 20K | 12.43 mi | 3.11 mi | 24485+256 | 10253+150 | 10253+150 | 23644(Top 93%) | 9806(Top 90%) | 9806(Top 210%) |
| Half | 13.11 mi | 0.68 mi | 24454+31 | 10244+9 | 10244+9 | 23882(Top 93%) | 9989(Top 91%) | 9989(Top 214%) |
| 25K | 15.53 mi | 2.42 mi | 24365+89 | 10195+49 | 10195+49 | 23926(Top 94%) | 10031(Top 92%) | 10031(Top 215%) |
| 30K | 18.64 mi | 3.11 mi | 24245+120 | 10150+45 | 10150+45 | 23679(Top 93%) | 9996(Top 92%) | 9996(Top 215%) |
| 20M | 20.00 mi | 1.36 mi | 24225+20 | 10152-2 | 10152-2 | 23807(Top 93%) | 10147(Top 93%) | 10147(Top 218%) |
| 21M | 21.00 mi | 1.00 mi | 24219+6 | 10158-6 | 10158-6 | 24138(Top 94%) | 10339(Top 95%) | 10339(Top 222%) |
| 35K | 21.75 mi | 0.75 mi | 24166+53 | 10143+15 | 10143+15 | 22061(Top 86%) | 9385(Top 86%) | 9385(Top 201%) |
| 23M | 23.00 mi | 1.25 mi | 24173-7 | 10157-14 | 10157-14 | 23819(Top 93%) | 10214(Top 94%) | 10214(Top 219%) |
| 24M | 24.00 mi | 1.00 mi | 24206-33 | 10181-24 | 10181-24 | 24252(Top 95%) | 10467(Top 96%) | 10467(Top 225%) |
| 40K | 24.85 mi | 0.85 mi | 24164+42 | 10174+7 | 10174+7 | 22159(Top 87%) | 9535(Top 87%) | 9535(Top 205%) |
| 25.2M | 25.20 mi | 0.35 mi | 24161+3 | 10175-1 | 10175-1 | 23598(Top 92%) | 10203(Top 93%) | 10203(Top 219%) |
| Finish | 26.22 mi | 1.02 mi | 24173-12 | 10188-13 | 10188-13 | 23844(Top 93%) | 10318(Top 94%) | 10318(Top 221%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
24219
Females
10101
F18-39
10101
5K→10K
3.1 - 6.2 mi
Overall
24669
Females
10366
F18-39
10366
10K→15K
6.2 - 9.3 mi
Overall
24219
Females
10101
F18-39
10101
15K→20K
9.3 - 12.4 mi
Overall
23644
Females
9806
F18-39
9806
20K→Half
12.4 - 13.1 mi
Overall
23882
Females
9989
F18-39
9989
Half→25K
13.1 - 15.5 mi
Overall
23926
Females
10031
F18-39
10031
25K→30K
15.5 - 18.6 mi
Overall
23679
Females
9996
F18-39
9996
30K→20M
18.6 - 20.0 mi
Overall
23807
Females
10147
F18-39
10147
20M→21M
20.0 - 21.0 mi
Overall
24138
Females
10339
F18-39
10339
21M→35K
21.0 - 21.8 mi
Overall
22061
Females
9385
F18-39
9385
35K→23M
21.8 - 23.0 mi
Overall
23819
Females
10214
F18-39
10214
23M→24M
23.0 - 24.0 mi
Overall
24252
Females
10467
F18-39
10467
24M→40K
24.0 - 24.9 mi
Overall
22159
Females
9535
F18-39
9535
40K→25.2M
24.9 - 25.2 mi
Overall
23598
Females
10203
F18-39
10203
25.2M→Finish
25.2 - 26.2 mi
Overall
23844
Females
10318
F18-39
10318
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #25157 |
| 5K → 10K | 232 | 18 | +214 | #25157 | #24943 |
| 10K → 15K | 207 | 5 | +202 | #24943 | #24741 |
| 15K → 20K | 265 | 9 | +256 | #24741 | #24485 |
| 20K → Half | 37 | 6 | +31 | #24485 | #24454 |
| Half → 25K | 120 | 31 | +89 | #24454 | #24365 |
| 25K → 30K | 156 | 36 | +120 | #24365 | #24245 |
| 30K → 20M | 48 | 28 | +20 | #24245 | #24225 |
| 20M → 21M | 42 | 36 | +6 | #24225 | #24219 |
| 21M → 35K | 60 | 7 | +53 | #24219 | #24166 |
| 35K → 23M | 46 | 53 | -7 | #24166 | #24173 |
| 23M → 24M | 18 | 51 | -33 | #24173 | #24206 |
| 24M → 40K | 55 | 13 | +42 | #24206 | #24164 |
| 40K → 25.2M | 13 | 10 | +3 | #24164 | #24161 |
| 25.2M → Finish | 28 | 40 | -12 | #24161 | #24173 |
| TOTALS | 1327 | 343 | +984 |
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
