Samantha Buck
Washington, DC
Bib: 35257 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 | 34:58 | 11:15 | 3.11 mi | 34:58 | 11:15 | - | |
10K | 1:07:42 | 10:54 | 3.10 mi | 32:44 | 10:32 | -0:43 | |
15K | 1:40:19 | 10:46 | 3.11 mi | 32:37 | 10:30 | -0:02 | |
21K | 2:17:53 | 10:34 | 3.73 mi | 37:34 | 10:05 | -0:25 | |
25K | 2:41:37 | 10:24 | 2.48 mi | 23:44 | 9:33 | -0:32 | |
30K | 3:13:28 | 10:23 | 3.11 mi | 31:51 | 10:15 | +0:42 | |
35K | 3:48:59 | 10:32 | 3.11 mi | 35:31 | 11:26 | +1:11 | |
40K | 4:23:12 | 10:35 | 3.10 mi | 34:13 | 11:01 | -0:25 | |
Finish(26.22 mi) | 4:38:24 | 10:38 | 1.37 mi | 15:12 | 11:09 | +0:08 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:33 /mi
Average Pace
10:38 /mi
Slowest Pace
11:26 /mi
Segments
Time at Faster Pace
2:05:46
45% of race
Time at Steady Pace
1:57:07
42% of race
Time at Slower Pace
35:31
13% of race
Average Pace: 10:37 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F25-29 | Seg. Overall | Seg. Females | Seg. F25-29 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 19782 | 6931 | 1570 | 17822 | 5978 | 1398 |
| 10K | 3.10 mi | 19504+278 | 6782+149 | 1529+41 | 19349 | 6693 | 1516 |
| 15K | 3.11 mi | 18826+678 | 6446+336 | 1484+45 | 17822 | 5978 | 1398 |
| 21K | 3.73 mi | 16954+1872 | 5597+849 | 1315+169 | 13587 | 4208 | 1051 |
| 25K | 2.48 mi | 15734+1220 | 5114+483 | 1235+80 | 11396 | 3415 | 883 |
| 30K | 3.11 mi | 14727+1007 | 4767+347 | 1179+56 | 11599 | 3717 | 934 |
| 35K | 3.11 mi | 14611+116 | 4844-77 | 1194-15 | 14699 | 5462 | 1322 |
| 40K | 3.10 mi | 14043+568 | 4732+112 | 1172+22 | 11580 | 4326 | 1069 |
| Finish(26.22 mi) | 1.37 mi | 13913+130 | 4720+12 | 1173-1 | 12447 | 4760 | 1209 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
17822
Females
5978
F25-29
5978
5K→10K
3.1 - 6.2 mi
Overall
19349
Females
6693
F25-29
6693
10K→15K
6.2 - 9.3 mi
Overall
17822
Females
5978
F25-29
5978
15K→21K
9.3 - 13.1 mi
Overall
13587
Females
4208
F25-29
4208
21K→25K
13.1 - 15.5 mi
Overall
11396
Females
3415
F25-29
3415
25K→30K
15.5 - 18.6 mi
Overall
11599
Females
3717
F25-29
3717
30K→35K
18.6 - 21.8 mi
Overall
14699
Females
5462
F25-29
5462
35K→40K
21.8 - 24.9 mi
Overall
11580
Females
4326
F25-29
4326
40K→Finish
24.9 - 26.2 mi
Overall
12447
Females
4760
F25-29
4760
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #19782 |
| 5K → 10K | 360638*+278 | #19782 → #19504 |
| 10K → 15K | 117795*+678 | #19504 → #18826 |
| 15K → 21K | 71879*+1872 | #18826 → #16954 |
| 21K → 25K | 21222*+1220 | #16954 → #15734 |
| 25K → 30K | 371044*+1007 | #15734 → #14727 |
| 30K → 35K | 352468*+116 | #14727 → #14611 |
| 35K → 40K | 90658*+568 | #14611 → #14043 |
| 40K → Finish | 81211*+130 | #14043 → #13913 |
| TOTALS | 10466915*+5869 | #19782 → #13913 |
* 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