Jacqueline Callahan
Boston, MA
Bib: 3757 F
Race Timeline
The Course
Half Splits
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Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 26:44 | 8:36 | 3.11 mi | 26:44 | 8:36 | - | |
10K | 52:28 | 8:27 | 3.10 mi | 25:44 | 8:17 | -0:19 | |
15K | 1:19:22 | 8:31 | 3.11 mi | 26:54 | 8:39 | +0:22 | |
21K | 1:51:38 | 8:33 | 3.73 mi | 32:16 | 8:39 | 0:00 | |
25K | 2:12:13 | 8:31 | 2.48 mi | 20:35 | 8:17 | -0:22 | |
30K | 2:40:46 | 8:37 | 3.11 mi | 28:33 | 9:11 | +0:54 | |
35K | 3:11:23 | 8:48 | 3.11 mi | 30:37 | 9:51 | +0:40 | |
40K | 3:41:12 | 8:54 | 3.10 mi | 29:49 | 9:36 | -0:15 | |
Finish(26.22 mi) | 3:53:30 | 8:55 | 1.37 mi | 12:18 | 9:01 | -0:35 |
Checkpoints & Pacing
Pace Line
Fastest Pace
8:17 /mi
Average Pace
8:55 /mi
Slowest Pace
9:51 /mi
Segments
Time at Faster Pace
2:24:31
62% of race
Time at Steady Pace
58:22
25% of race
Time at Slower Pace
30:37
13% of race
Average Pace: 8:54 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F25-29 | Seg. Overall | Seg. Females | Seg. F25-29 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 2732 | 542 | 169 | 3834 | 794 | 235 |
| 10K | 3.10 mi | 2920-188 | 575-33 | 173-4 | 3147 | 617 | 179 |
| 15K | 3.11 mi | 3211-291 | 658-83 | 195-22 | 3834 | 794 | 235 |
| 21K | 3.73 mi | 3241-30 | 657+1 | 195 | 3445 | 701 | 211 |
| 25K | 2.48 mi | 3159+82 | 643+14 | 193+2 | 3017 | 629 | 199 |
| 30K | 3.11 mi | 3294-135 | 692-49 | 214-21 | 4212 | 1016 | 317 |
| 35K | 3.11 mi | 3606-312 | 812-120 | 249-35 | 5441 | 1602 | 450 |
| 40K | 3.10 mi | 3572+34 | 848-36 | 260-11 | 3962 | 1171 | 353 |
| Finish(26.22 mi) | 1.37 mi | 3477+95 | 836+12 | 260 | 2909 | 824 | 260 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
3834
Females
794
F25-29
794
5K→10K
3.1 - 6.2 mi
Overall
3147
Females
617
F25-29
617
10K→15K
6.2 - 9.3 mi
Overall
3834
Females
794
F25-29
794
15K→21K
9.3 - 13.1 mi
Overall
3445
Females
701
F25-29
701
21K→25K
13.1 - 15.5 mi
Overall
3017
Females
629
F25-29
629
25K→30K
15.5 - 18.6 mi
Overall
4212
Females
1016
F25-29
1016
30K→35K
18.6 - 21.8 mi
Overall
5441
Females
1602
F25-29
1602
35K→40K
21.8 - 24.9 mi
Overall
3962
Females
1171
F25-29
1171
40K→Finish
24.9 - 26.2 mi
Overall
2909
Females
824
F25-29
824
Passing Analysis
| Segment | Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #2732 |
| 5K → 10K | 73* | 261 | -188 | #2732 | #2920 |
| 10K → 15K | 36* | 327 | -291 | #2920 | #3211 |
| 15K → 21K | 76* | 106 | -30 | #3211 | #3241 |
| 21K → 25K | 112* | 30 | +82 | #3241 | #3159 |
| 25K → 30K | 82* | 217 | -135 | #3159 | #3294 |
| 30K → 35K | 64* | 376 | -312 | #3294 | #3606 |
| 35K → 40K | 169* | 135 | +34 | #3606 | #3572 |
| 40K → Finish | 115* | 20 | +95 | #3572 | #3477 |
| TOTALS | 727* | 1472 | -745 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Charts
Passing Circle
Position Flow
Race Lanes
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Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions