Delaney Sieber
MA
Bib: 8297 F
⏱️ Race Timeline
The Course
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A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 11:10:43 | 36:10 | 11:38 | 36:10 | 11:38 | - |
10K | 6.21 mi | 11:46:30 | 1:11:57 | 11:35 | 35:47 | 11:31 | -0:07 |
15K | 9.32 mi | 12:21:48 | 1:47:15 | 11:30 | 35:18 | 11:22 | -0:09 |
20K | 12.43 mi | 13:00:40 | 2:26:07 | 11:45 | 38:52 | 12:31 | +1:09 |
Half | 13.11 mi | 13:08:28 | 2:33:55 | 11:44 | 7:48 | 11:26 | -1:05 |
25K | 15.53 mi | 13:38:15 | 3:03:42 | 11:50 | 29:47 | 12:17 | +0:51 |
30K | 18.64 mi | 14:21:07 | 3:46:34 | 12:09 | 42:52 | 13:48 | +1:31 |
20M | 20.00 mi | 14:41:10 | 4:06:37 | 12:20 | 20:03 | 14:45 | +0:57 |
21M | 21.00 mi | 14:57:16 | 4:22:43 | 12:31 | 16:06 | 16:06 | +1:21 |
35K | 21.75 mi | 15:07:12 | 4:32:39 | 12:32 | 9:56 | 13:17 | -2:49 |
23M | 23.00 mi | 15:25:57 | 4:51:24 | 12:40 | 18:45 | 14:59 | +1:42 |
24M | 24.00 mi | 15:40:51 | 5:06:18 | 12:46 | 14:54 | 14:54 | -0:05 |
40K | 24.85 mi | 15:54:39 | 5:20:06 | 12:53 | 13:48 | 16:08 | +1:14 |
25.2M | 25.20 mi | 16:00:22 | 5:25:49 | 12:56 | 5:43 | 16:35 | +0:27 |
Finish | 26.22 mi | 16:13:32 | 5:38:59 | 12:56 | 13:10 | 12:55 | -3:40 |
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
11:22 /mi
Average Pace
12:56 /mi
Slowest Pace
16:35 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
2:24:50
43% of race
Time at Steady Pace
1:44:50
31% of race
Time at Slower Pace
1:29:19
26% of race
Average Pace: 12:56 /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 | 11:10:43 | 36:10 | 11:38 | 36:10 | 11:38 | #28097 | |
10K | 6.21 mi | 11:46:30 | 1:11:57 | 11:35 | 35:47 | 11:31 | #27877 | |
15K | 9.32 mi | 12:21:48 | 1:47:15 | 11:30 | 35:18 | 11:22 | #27633 | |
20K | 12.43 mi | 13:00:40 | 2:26:07 | 11:45 | 38:52 | 12:31 | #27629 | |
Half | 13.11 mi | 13:08:28 | 2:33:55 | 11:44 | 7:48 | 11:26 | #27590 | |
25K | 15.53 mi | 13:38:15 | 3:03:42 | 11:50 | 29:47 | 12:17 | #27441 | |
30K | 18.64 mi | 14:21:07 | 3:46:34 | 12:09 | 42:52 | 13:48 | #27446 | |
20M | 20.00 mi | 14:41:10 | 4:06:37 | 12:20 | 20:03 | 14:45 | #27478 | |
21M | 21.00 mi | 14:57:16 | 4:22:43 | 12:31 | 16:06 | 16:06 | #27519 | |
35K | 21.75 mi | 15:07:12 | 4:32:39 | 12:32 | 9:56 | 13:17 | #27517 | |
23M | 23.00 mi | 15:25:57 | 4:51:24 | 12:40 | 18:45 | 14:59 | #27575 | |
24M | 24.00 mi | 15:40:51 | 5:06:18 | 12:46 | 14:54 | 14:54 | #27608 | |
40K | 24.85 mi | 15:54:39 | 5:20:06 | 12:53 | 13:48 | 16:08 | #27676 | |
25.2M | 25.20 mi | 16:00:22 | 5:25:49 | 12:56 | 5:43 | 16:35 | #27692 | |
Finish | 26.22 mi | 16:13:32 | 5:38:59 | 12:56 | 13:10 | 12:55 | #27698 |
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 | 28097 | 12024 | 12024 | 27098(Top 95%) | 11437(Top 94%) | 11437(Top 209%) |
| 10K | 6.21 mi | 3.10 mi | 27877+220 | 11876+148 | 11876+148 | 27619(Top 97%) | 11738(Top 96%) | 11738(Top 215%) |
| 15K | 9.32 mi | 3.11 mi | 27633+244 | 11740+136 | 11740+136 | 27098(Top 95%) | 11437(Top 94%) | 11437(Top 209%) |
| 20K | 12.43 mi | 3.11 mi | 27629+4 | 11748-8 | 11748-8 | 27524(Top 97%) | 11712(Top 96%) | 11712(Top 214%) |
| Half | 13.11 mi | 0.68 mi | 27590+39 | 11725+23 | 11725+23 | 27001(Top 95%) | 11419(Top 93%) | 11419(Top 209%) |
| 25K | 15.53 mi | 2.42 mi | 27441+149 | 11643+82 | 11643+82 | 26739(Top 94%) | 11279(Top 92%) | 11279(Top 206%) |
| 30K | 18.64 mi | 3.11 mi | 27446-5 | 11670-27 | 11670-27 | 27361(Top 96%) | 11694(Top 96%) | 11694(Top 214%) |
| 20M | 20.00 mi | 1.36 mi | 27478-32 | 11700-30 | 11700-30 | 27762(Top 98%) | 11949(Top 98%) | 11949(Top 218%) |
| 21M | 21.00 mi | 1.00 mi | 27519-41 | 11727-27 | 11727-27 | 27854(Top 98%) | 11983(Top 98%) | 11983(Top 219%) |
| 35K | 21.75 mi | 0.75 mi | 27517+2 | 11729-2 | 11729-2 | 27187(Top 96%) | 11686(Top 96%) | 11686(Top 214%) |
| 23M | 23.00 mi | 1.25 mi | 27575-58 | 11767-38 | 11767-38 | 27900(Top 98%) | 12049(Top 99%) | 12049(Top 220%) |
| 24M | 24.00 mi | 1.00 mi | 27608-33 | 11790-23 | 11790-23 | 28025(Top 99%) | 12106(Top 99%) | 12106(Top 221%) |
| 40K | 24.85 mi | 0.85 mi | 27676-68 | 11836-46 | 11836-46 | 28128(Top 99%) | 12141(Top 99%) | 12141(Top 222%) |
| 25.2M | 25.20 mi | 0.35 mi | 27692-16 | 11848-12 | 11848-12 | 27937(Top 98%) | 12085(Top 99%) | 12085(Top 221%) |
| Finish | 26.22 mi | 1.02 mi | 27698-6 | 11855-7 | 11855-7 | 27576(Top 97%) | 11905(Top 97%) | 11905(Top 218%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
27098
Females
11437
F18-39
11437
5K→10K
3.1 - 6.2 mi
Overall
27619
Females
11738
F18-39
11738
10K→15K
6.2 - 9.3 mi
Overall
27098
Females
11437
F18-39
11437
15K→20K
9.3 - 12.4 mi
Overall
27524
Females
11712
F18-39
11712
20K→Half
12.4 - 13.1 mi
Overall
27001
Females
11419
F18-39
11419
Half→25K
13.1 - 15.5 mi
Overall
26739
Females
11279
F18-39
11279
25K→30K
15.5 - 18.6 mi
Overall
27361
Females
11694
F18-39
11694
30K→20M
18.6 - 20.0 mi
Overall
27762
Females
11949
F18-39
11949
20M→21M
20.0 - 21.0 mi
Overall
27854
Females
11983
F18-39
11983
21M→35K
21.0 - 21.8 mi
Overall
27187
Females
11686
F18-39
11686
35K→23M
21.8 - 23.0 mi
Overall
27900
Females
12049
F18-39
12049
23M→24M
23.0 - 24.0 mi
Overall
28025
Females
12106
F18-39
12106
24M→40K
24.0 - 24.9 mi
Overall
28128
Females
12141
F18-39
12141
40K→25.2M
24.9 - 25.2 mi
Overall
27937
Females
12085
F18-39
12085
25.2M→Finish
25.2 - 26.2 mi
Overall
27576
Females
11905
F18-39
11905
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #28097 |
| 5K → 10K | 230 | 10 | +220 | #28097 | #27877 |
| 10K → 15K | 255 | 11 | +244 | #27877 | #27633 |
| 15K → 20K | 70 | 66 | +4 | #27633 | #27629 |
| 20K → Half | 41 | 2 | +39 | #27629 | #27590 |
| Half → 25K | 156 | 7 | +149 | #27590 | #27441 |
| 25K → 30K | 64 | 69 | -5 | #27441 | #27446 |
| 30K → 20M | 22 | 54 | -32 | #27446 | #27478 |
| 20M → 21M | 3 | 44 | -41 | #27478 | #27519 |
| 21M → 35K | 14 | 12 | +2 | #27519 | #27517 |
| 35K → 23M | 9 | 67 | -58 | #27517 | #27575 |
| 23M → 24M | 8 | 41 | -33 | #27575 | #27608 |
| 24M → 40K | 3 | 71 | -68 | #27608 | #27676 |
| 40K → 25.2M | 2 | 18 | -16 | #27676 | #27692 |
| 25.2M → Finish | 9 | 15 | -6 | #27692 | #27698 |
| TOTALS | 886 | 487 | +399 |
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
