Krystina Szylo
Bib: 24473•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 | 11:55:55 | 30:08 | 9:42 | 30:08 | 9:42 | - |
10K | 6.21 mi | 12:29:05 | 1:03:18 | 10:11 | 33:10 | 10:41 | +0:59 |
15K | 9.32 mi | 13:04:50 | 1:39:03 | 10:38 | 35:45 | 11:30 | +0:49 |
20K | 12.43 mi | 13:38:25 | 2:12:38 | 10:40 | 33:35 | 10:49 | -0:41 |
Half | 13.11 mi | 13:45:08 | 2:19:21 | 10:38 | 6:43 | 9:51 | -0:58 |
25K | 15.53 mi | 14:14:30 | 2:48:43 | 10:52 | 29:22 | 12:07 | +2:16 |
30K | 18.64 mi | 14:50:49 | 3:25:02 | 11:00 | 36:19 | 11:41 | -0:26 |
20M | 20.00 mi | 15:07:09 | 3:41:22 | 11:04 | 16:20 | 12:01 | +0:20 |
21M | 21.00 mi | 15:19:37 | 3:53:50 | 11:08 | 12:28 | 12:28 | +0:27 |
35K | 21.75 mi | 15:27:37 | 4:01:50 | 11:07 | 8:00 | 10:42 | -1:46 |
23M | 23.00 mi | 15:42:20 | 4:16:33 | 11:09 | 14:43 | 11:45 | +1:03 |
24M | 24.00 mi | 15:54:35 | 4:28:48 | 11:12 | 12:15 | 12:15 | +0:30 |
40K | 24.85 mi | 16:03:50 | 4:38:03 | 11:11 | 9:15 | 10:49 | -1:26 |
25.2M | 25.20 mi | 16:08:25 | 4:42:38 | 11:13 | 4:35 | 13:17 | +2:28 |
Finish | 26.22 mi | 16:18:30 | 4:52:43 | 11:10 | 10:05 | 9:54 | -3:23 |
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
9:42 /mi
Average Pace
11:10 /mi
Slowest Pace
13:17 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
2:10:56
45% of race
Time at Steady Pace
1:26:47
30% of race
Time at Slower Pace
1:15:00
26% of race
Average Pace: 11:10 /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 | 11:55:55 | 30:08 | 9:42 | 30:08 | 9:42 | #22278 | |
10K | 6.21 mi | 12:29:05 | 1:03:18 | 10:11 | 33:10 | 10:41 | #23187 | |
15K | 9.32 mi | 13:04:50 | 1:39:03 | 10:38 | 35:45 | 11:30 | #23695 | |
20K | 12.43 mi | 13:38:25 | 2:12:38 | 10:40 | 33:35 | 10:49 | #23370 | |
Half | 13.11 mi | 13:45:08 | 2:19:21 | 10:38 | 6:43 | 9:51 | #23272 | |
25K | 15.53 mi | 14:14:30 | 2:48:43 | 10:52 | 29:22 | 12:07 | #23311 | |
30K | 18.64 mi | 14:50:49 | 3:25:02 | 11:00 | 36:19 | 11:41 | #22972 | |
20M | 20.00 mi | 15:07:09 | 3:41:22 | 11:04 | 16:20 | 12:01 | #22858 | |
21M | 21.00 mi | 15:19:37 | 3:53:50 | 11:08 | 12:28 | 12:28 | #22724 | |
35K | 21.75 mi | 15:27:37 | 4:01:50 | 11:07 | 8:00 | 10:42 | #22606 | |
23M | 23.00 mi | 15:42:20 | 4:16:33 | 11:09 | 14:43 | 11:45 | #22477 | |
24M | 24.00 mi | 15:54:35 | 4:28:48 | 11:12 | 12:15 | 12:15 | #22459 | |
40K | 24.85 mi | 16:03:50 | 4:38:03 | 11:11 | 9:15 | 10:49 | #22293 | |
25.2M | 25.20 mi | 16:08:25 | 4:42:38 | 11:13 | 4:35 | 13:17 | #22273 | |
Finish | 26.22 mi | 16:18:30 | 4:52:43 | 11:10 | 10:05 | 9:54 | #22147 |
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 | 22278 | 9042 | 9042 | 24292(Top 95%) | 10143(Top 93%) | 10143(Top 218%) |
| 10K | 6.21 mi | 3.10 mi | 23187-909 | 9508-466 | 9508-466 | 23816(Top 93%) | 9862(Top 90%) | 9862(Top 212%) |
| 15K | 9.32 mi | 3.11 mi | 23695-508 | 9785-277 | 9785-277 | 24292(Top 95%) | 10143(Top 93%) | 10143(Top 218%) |
| 20K | 12.43 mi | 3.11 mi | 23370+325 | 9632+153 | 9632+153 | 22304(Top 87%) | 9076(Top 83%) | 9076(Top 195%) |
| Half | 13.11 mi | 0.68 mi | 23272+98 | 9576+56 | 9576+56 | 21099(Top 83%) | 8460(Top 77%) | 8460(Top 182%) |
| 25K | 15.53 mi | 2.42 mi | 23311-39 | 9629-53 | 9629-53 | 23281(Top 91%) | 9687(Top 89%) | 9687(Top 208%) |
| 30K | 18.64 mi | 3.11 mi | 22972+339 | 9484+145 | 9484+145 | 21400(Top 84%) | 8845(Top 81%) | 8845(Top 190%) |
| 20M | 20.00 mi | 1.36 mi | 22858+114 | 9446+38 | 9446+38 | 21409(Top 84%) | 8966(Top 82%) | 8966(Top 192%) |
| 21M | 21.00 mi | 1.00 mi | 22724+134 | 9393+53 | 9393+53 | 19811(Top 78%) | 8229(Top 75%) | 8229(Top 177%) |
| 35K | 21.75 mi | 0.75 mi | 22606+118 | 9334+59 | 9334+59 | 19099(Top 75%) | 7894(Top 72%) | 7894(Top 169%) |
| 23M | 23.00 mi | 1.25 mi | 22477+129 | 9283+51 | 9283+51 | 20233(Top 79%) | 8515(Top 78%) | 8515(Top 183%) |
| 24M | 24.00 mi | 1.00 mi | 22459+18 | 9290-7 | 9290-7 | 21925(Top 86%) | 9401(Top 86%) | 9401(Top 202%) |
| 40K | 24.85 mi | 0.85 mi | 22293+166 | 9219+71 | 9219+71 | 17635(Top 69%) | 7340(Top 67%) | 7340(Top 158%) |
| 25.2M | 25.20 mi | 0.35 mi | 22273+20 | 9218+1 | 9218+1 | 20338(Top 80%) | 8691(Top 80%) | 8691(Top 187%) |
| Finish | 26.22 mi | 1.02 mi | 22147+126 | 9177+41 | 9177+41 | 18065(Top 71%) | 7539(Top 69%) | 7539(Top 162%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
24292
Females
10143
F18-39
10143
5K→10K
3.1 - 6.2 mi
Overall
23816
Females
9862
F18-39
9862
10K→15K
6.2 - 9.3 mi
Overall
24292
Females
10143
F18-39
10143
15K→20K
9.3 - 12.4 mi
Overall
22304
Females
9076
F18-39
9076
20K→Half
12.4 - 13.1 mi
Overall
21099
Females
8460
F18-39
8460
Half→25K
13.1 - 15.5 mi
Overall
23281
Females
9687
F18-39
9687
25K→30K
15.5 - 18.6 mi
Overall
21400
Females
8845
F18-39
8845
30K→20M
18.6 - 20.0 mi
Overall
21409
Females
8966
F18-39
8966
20M→21M
20.0 - 21.0 mi
Overall
19811
Females
8229
F18-39
8229
21M→35K
21.0 - 21.8 mi
Overall
19099
Females
7894
F18-39
7894
35K→23M
21.8 - 23.0 mi
Overall
20233
Females
8515
F18-39
8515
23M→24M
23.0 - 24.0 mi
Overall
21925
Females
9401
F18-39
9401
24M→40K
24.0 - 24.9 mi
Overall
17635
Females
7340
F18-39
7340
40K→25.2M
24.9 - 25.2 mi
Overall
20338
Females
8691
F18-39
8691
25.2M→Finish
25.2 - 26.2 mi
Overall
18065
Females
7539
F18-39
7539
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #22278 |
| 5K → 10K | 27 | 936 | -909 | #22278 | #23187 |
| 10K → 15K | 34 | 542 | -508 | #23187 | #23695 |
| 15K → 20K | 349 | 24 | +325 | #23695 | #23370 |
| 20K → Half | 100 | 2 | +98 | #23370 | #23272 |
| Half → 25K | 100 | 139 | -39 | #23272 | #23311 |
| 25K → 30K | 364 | 25 | +339 | #23311 | #22972 |
| 30K → 20M | 131 | 17 | +114 | #22972 | #22858 |
| 20M → 21M | 138 | 4 | +134 | #22858 | #22724 |
| 21M → 35K | 120 | 2 | +118 | #22724 | #22606 |
| 35K → 23M | 134 | 5 | +129 | #22606 | #22477 |
| 23M → 24M | 55 | 37 | +18 | #22477 | #22459 |
| 24M → 40K | 166 | 0 | +166 | #22459 | #22293 |
| 40K → 25.2M | 29 | 9 | +20 | #22293 | #22273 |
| 25.2M → Finish | 129 | 3 | +126 | #22273 | #22147 |
| TOTALS | 1876 | 1745 | +131 |
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
