Kacy Mackin
Bib: 26298•F
CT
⏱️ 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 | 11:51:44 | 34:55 | 11:14 | 34:55 | 11:14 | - |
10K | 6.21 mi | 12:26:40 | 1:09:51 | 11:14 | 34:56 | 11:15 | +0:01 |
15K | 9.32 mi | 13:02:57 | 1:46:08 | 11:23 | 36:17 | 11:41 | +0:26 |
20K | 12.43 mi | 13:40:25 | 2:23:36 | 11:33 | 37:28 | 12:04 | +0:23 |
Half | 13.11 mi | 13:48:43 | 2:31:54 | 11:35 | 8:18 | 12:10 | +0:06 |
25K | 15.53 mi | 14:18:31 | 3:01:42 | 11:42 | 29:48 | 12:17 | +0:07 |
30K | 18.64 mi | 14:58:55 | 3:42:06 | 11:55 | 40:24 | 13:00 | +0:43 |
20M | 20.00 mi | 15:16:57 | 4:00:08 | 12:00 | 18:02 | 13:16 | +0:16 |
21M | 21.00 mi | 15:30:36 | 4:13:47 | 12:05 | 13:39 | 13:39 | +0:23 |
35K | 21.75 mi | 15:39:32 | 4:22:43 | 12:05 | 8:56 | 11:56 | -1:43 |
23M | 23.00 mi | 15:55:18 | 4:38:29 | 12:06 | 15:46 | 12:36 | +0:40 |
24M | 24.00 mi | 16:08:19 | 4:51:30 | 12:09 | 13:01 | 13:01 | +0:25 |
40K | 24.85 mi | 16:19:46 | 5:02:57 | 12:11 | 11:27 | 13:24 | +0:23 |
25.2M | 25.20 mi | 16:24:16 | 5:07:27 | 12:12 | 4:30 | 13:03 | -0:21 |
Finish | 26.22 mi | 16:36:10 | 5:19:21 | 12:11 | 11:54 | 11:41 | -1:22 |
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
11:14 /mi
Average Pace
12:11 /mi
Slowest Pace
13:39 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:58:02
37% of race
Time at Steady Pace
1:40:16
31% of race
Time at Slower Pace
1:41:03
32% of race
Average Pace: 12:11 /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 | 11:51:44 | 34:55 | 11:14 | 34:55 | 11:14 | #25972 | |
10K | 6.21 mi | 12:26:40 | 1:09:51 | 11:14 | 34:56 | 11:15 | #25856 | |
15K | 9.32 mi | 13:02:57 | 1:46:08 | 11:23 | 36:17 | 11:41 | #25879 | |
20K | 12.43 mi | 13:40:25 | 2:23:36 | 11:33 | 37:28 | 12:04 | #25846 | |
Half | 13.11 mi | 13:48:43 | 2:31:54 | 11:35 | 8:18 | 12:10 | #25862 | |
25K | 15.53 mi | 14:18:31 | 3:01:42 | 11:42 | 29:48 | 12:17 | #25783 | |
30K | 18.64 mi | 14:58:55 | 3:42:06 | 11:55 | 40:24 | 13:00 | #25723 | |
20M | 20.00 mi | 15:16:57 | 4:00:08 | 12:00 | 18:02 | 13:16 | #25697 | |
21M | 21.00 mi | 15:30:36 | 4:13:47 | 12:05 | 13:39 | 13:39 | #25665 | |
35K | 21.75 mi | 15:39:32 | 4:22:43 | 12:05 | 8:56 | 11:56 | #25631 | |
23M | 23.00 mi | 15:55:18 | 4:38:29 | 12:06 | 15:46 | 12:36 | #25603 | |
24M | 24.00 mi | 16:08:19 | 4:51:30 | 12:09 | 13:01 | 13:01 | #25608 | |
40K | 24.85 mi | 16:19:46 | 5:02:57 | 12:11 | 11:27 | 13:24 | #25598 | |
25.2M | 25.20 mi | 16:24:16 | 5:07:27 | 12:12 | 4:30 | 13:03 | #25585 | |
Finish | 26.22 mi | 16:36:10 | 5:19:21 | 12:11 | 11:54 | 11:41 | #25574 |
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 | 25972 | 11032 | 11032 | 25859(Top 97%) | 10955(Top 96%) | 10955(Top 224%) |
| 10K | 6.21 mi | 3.10 mi | 25856+116 | 10951+81 | 10951+81 | 25733(Top 97%) | 10868(Top 95%) | 10868(Top 223%) |
| 15K | 9.32 mi | 3.11 mi | 25879-23 | 10966-15 | 10966-15 | 25859(Top 97%) | 10955(Top 96%) | 10955(Top 224%) |
| 20K | 12.43 mi | 3.11 mi | 25846+33 | 10947+19 | 10947+19 | 25695(Top 97%) | 10884(Top 95%) | 10884(Top 223%) |
| Half | 13.11 mi | 0.68 mi | 25862-16 | 10956-9 | 10956-9 | 25980(Top 98%) | 11047(Top 97%) | 11047(Top 226%) |
| 25K | 15.53 mi | 2.42 mi | 25783+79 | 10921+35 | 10921+35 | 25379(Top 95%) | 10723(Top 94%) | 10723(Top 220%) |
| 30K | 18.64 mi | 3.11 mi | 25723+60 | 10895+26 | 10895+26 | 25415(Top 95%) | 10800(Top 95%) | 10800(Top 221%) |
| 20M | 20.00 mi | 1.36 mi | 25697+26 | 10889+6 | 10889+6 | 25381(Top 95%) | 10795(Top 95%) | 10795(Top 221%) |
| 21M | 21.00 mi | 1.00 mi | 25665+32 | 10871+18 | 10871+18 | 24734(Top 93%) | 10471(Top 92%) | 10471(Top 214%) |
| 35K | 21.75 mi | 0.75 mi | 25631+34 | 10857+14 | 10857+14 | 24638(Top 93%) | 10478(Top 92%) | 10478(Top 215%) |
| 23M | 23.00 mi | 1.25 mi | 25603+28 | 10852+5 | 10852+5 | 24688(Top 93%) | 10481(Top 92%) | 10481(Top 215%) |
| 24M | 24.00 mi | 1.00 mi | 25608-5 | 10851+1 | 10851+1 | 25486(Top 96%) | 10920(Top 96%) | 10920(Top 224%) |
| 40K | 24.85 mi | 0.85 mi | 25598+10 | 10851 | 10851 | 25283(Top 95%) | 10814(Top 95%) | 10814(Top 221%) |
| 25.2M | 25.20 mi | 0.35 mi | 25585+13 | 10847+4 | 10847+4 | 24054(Top 90%) | 10219(Top 89%) | 10219(Top 209%) |
| Finish | 26.22 mi | 1.02 mi | 25574+11 | 10846+1 | 10846+1 | 24920(Top 94%) | 10624(Top 93%) | 10624(Top 218%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
25859
Females
10955
F18-39
10955
5K→10K
3.1 - 6.2 mi
Overall
25733
Females
10868
F18-39
10868
10K→15K
6.2 - 9.3 mi
Overall
25859
Females
10955
F18-39
10955
15K→20K
9.3 - 12.4 mi
Overall
25695
Females
10884
F18-39
10884
20K→Half
12.4 - 13.1 mi
Overall
25980
Females
11047
F18-39
11047
Half→25K
13.1 - 15.5 mi
Overall
25379
Females
10723
F18-39
10723
25K→30K
15.5 - 18.6 mi
Overall
25415
Females
10800
F18-39
10800
30K→20M
18.6 - 20.0 mi
Overall
25381
Females
10795
F18-39
10795
20M→21M
20.0 - 21.0 mi
Overall
24734
Females
10471
F18-39
10471
21M→35K
21.0 - 21.8 mi
Overall
24638
Females
10478
F18-39
10478
35K→23M
21.8 - 23.0 mi
Overall
24688
Females
10481
F18-39
10481
23M→24M
23.0 - 24.0 mi
Overall
25486
Females
10920
F18-39
10920
24M→40K
24.0 - 24.9 mi
Overall
25283
Females
10814
F18-39
10814
40K→25.2M
24.9 - 25.2 mi
Overall
24054
Females
10219
F18-39
10219
25.2M→Finish
25.2 - 26.2 mi
Overall
24920
Females
10624
F18-39
10624
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #25972 |
| 5K → 10K | 176 | 60 | +116 | #25972 | #25856 |
| 10K → 15K | 68 | 91 | -23 | #25856 | #25879 |
| 15K → 20K | 79 | 46 | +33 | #25879 | #25846 |
| 20K → Half | 3 | 19 | -16 | #25846 | #25862 |
| Half → 25K | 91 | 12 | +79 | #25862 | #25783 |
| 25K → 30K | 82 | 22 | +60 | #25783 | #25723 |
| 30K → 20M | 42 | 16 | +26 | #25723 | #25697 |
| 20M → 21M | 36 | 4 | +32 | #25697 | #25665 |
| 21M → 35K | 36 | 2 | +34 | #25665 | #25631 |
| 35K → 23M | 35 | 7 | +28 | #25631 | #25603 |
| 23M → 24M | 11 | 16 | -5 | #25603 | #25608 |
| 24M → 40K | 23 | 13 | +10 | #25608 | #25598 |
| 40K → 25.2M | 13 | 0 | +13 | #25598 | #25585 |
| 25.2M → Finish | 27 | 16 | +11 | #25585 | #25574 |
| TOTALS | 722 | 324 | +398 |
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
