Caitlin Elgin
Boston, MA
Bib: 11564 F
Race Timeline
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 37:57 | 12:13 | 3.11 mi | 37:57 | 12:13 | - | |
10K | 1:12:05 | 11:36 | 3.10 mi | 34:08 | 10:59 | -1:14 | |
15K | 1:51:55 | 12:00 | 3.11 mi | 39:50 | 12:49 | +1:50 | |
21K | 2:33:49 | 11:47 | 3.73 mi | 41:54 | 11:14 | -1:35 | |
25K | 3:02:03 | 11:43 | 2.48 mi | 28:14 | 11:22 | +0:08 | |
30K | 3:39:19 | 11:46 | 3.11 mi | 37:16 | 12:00 | +0:38 | |
35K | 4:17:07 | 11:49 | 3.11 mi | 37:48 | 12:10 | +0:10 | |
40K | 4:52:44 | 11:47 | 3.10 mi | 35:37 | 11:28 | -0:42 | |
Finish(26.22 mi) | 5:06:46 | 11:43 | 1.37 mi | 14:02 | 10:17 | -1:11 |
Checkpoints & Pacing
Pace Line
Fastest Pace
10:17 /mi
Average Pace
11:43 /mi
Slowest Pace
12:49 /mi
Segments
Time at Faster Pace
48:10
16% of race
Time at Steady Pace
1:45:45
34% of race
Time at Slower Pace
2:32:51
50% of race
Average Pace: 11:42 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F25-29 | Seg. Overall | Seg. Females | Seg. F25-29 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 14555 | 5179 | 1170 | 15016 | 5437 | 1215 |
| 10K | 3.10 mi | 13929+626 | 4838+341 | 1118+52 | 13019 | 4404 | 1046 |
| 15K | 3.11 mi | 14475-546 | 5114-276 | 1172-54 | 15016 | 5437 | 1215 |
| 21K | 3.73 mi | 13697+778 | 4723+391 | 1108+64 | 11694 | 3794 | 946 |
| 25K | 2.48 mi | 13359+338 | 4607+116 | 1095+13 | 11834 | 4033 | 999 |
| 30K | 3.11 mi | 12850+509 | 4404+203 | 1063+32 | 10950 | 3739 | 947 |
| 35K | 3.11 mi | 12447+403 | 4278+126 | 1044+19 | 10418 | 3707 | 943 |
| 40K | 3.10 mi | 11794+653 | 4028+250 | 1005+39 | 7960 | 2809 | 733 |
| Finish(26.22 mi) | 1.37 mi | 11506+288 | 3923+105 | 988+17 | 5828 | 1932 | 549 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
15016
Females
5437
F25-29
5437
5K→10K
3.1 - 6.2 mi
Overall
13019
Females
4404
F25-29
4404
10K→15K
6.2 - 9.3 mi
Overall
15016
Females
5437
F25-29
5437
15K→21K
9.3 - 13.1 mi
Overall
11694
Females
3794
F25-29
3794
21K→25K
13.1 - 15.5 mi
Overall
11834
Females
4033
F25-29
4033
25K→30K
15.5 - 18.6 mi
Overall
10950
Females
3739
F25-29
3739
30K→35K
18.6 - 21.8 mi
Overall
10418
Females
3707
F25-29
3707
35K→40K
21.8 - 24.9 mi
Overall
7960
Females
2809
F25-29
2809
40K→Finish
24.9 - 26.2 mi
Overall
5828
Females
1932
F25-29
1932
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #14555 |
| 5K → 10K | 28654*+626 | #14555 → #13929 |
| 10K → 15K | 58741*-546 | #13929 → #14475 |
| 15K → 21K | 4782*+778 | #14475 → #13697 |
| 21K → 25K | 19357*+338 | #13697 → #13359 |
| 25K → 30K | 13522*+509 | #13359 → #12850 |
| 30K → 35K | 38441*+403 | #12850 → #12447 |
| 35K → 40K | 1654*+653 | #12447 → #11794 |
| 40K → Finish | 0288*+288 | #11794 → #11506 |
| TOTALS | 6903739*+3049 | #14555 → #11506 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
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