Kristine O'Brien
Rockville, MD
Bib: 16546 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 | 31:53 | 10:16 | 3.11 mi | 31:53 | 10:16 | - | |
10K | 1:02:57 | 10:08 | 3.10 mi | 31:04 | 10:00 | -0:16 | |
15K | 1:34:21 | 10:07 | 3.11 mi | 31:24 | 10:06 | +0:06 | |
21K | 2:12:12 | 10:08 | 3.73 mi | 37:51 | 10:09 | +0:03 | |
25K | 2:36:17 | 10:04 | 2.48 mi | 24:05 | 9:41 | -0:28 | |
30K | 3:07:59 | 10:05 | 3.11 mi | 31:42 | 10:12 | +0:31 | |
35K | 3:38:52 | 10:04 | 3.11 mi | 30:53 | 9:56 | -0:16 | |
40K | 4:10:09 | 10:04 | 3.10 mi | 31:17 | 10:04 | +0:08 | |
Finish(26.22 mi) | 4:23:23 | 10:03 | 1.37 mi | 13:14 | 9:42 | -0:22 |
Checkpoints & Pacing
Pace Line
Fastest Pace
9:41 /mi
Average Pace
10:03 /mi
Slowest Pace
10:16 /mi
Segments
Time at Faster Pace
3:19:48
76% of race
Time at Steady Pace
1:03:35
24% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 10:03 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F35-39 | Seg. Overall | Seg. Females | Seg. F35-39 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 8736 | 2487 | 287 | 9160 | 2655 | 309 |
| 10K | 3.10 mi | 9251-515 | 2678-191 | 315-28 | 9797 | 2891 | 348 |
| 15K | 3.11 mi | 9192+59 | 2659+19 | 316-1 | 9160 | 2655 | 309 |
| 21K | 3.73 mi | 8958+234 | 2586+73 | 308+8 | 8642 | 2485 | 287 |
| 25K | 2.48 mi | 8594+364 | 2481+105 | 294+14 | 7447 | 2148 | 256 |
| 30K | 3.11 mi | 8144+450 | 2367+114 | 282+12 | 6873 | 2001 | 232 |
| 35K | 3.11 mi | 7578+566 | 2207+160 | 262+20 | 5632 | 1674 | 202 |
| 40K | 3.10 mi | 7061+517 | 2087+120 | 248+14 | 4958 | 1550 | 192 |
| Finish(26.22 mi) | 1.37 mi | 6836+225 | 2014+73 | 241+7 | 4467 | 1385 | 169 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
9160
Females
2655
F35-39
2655
5K→10K
3.1 - 6.2 mi
Overall
9797
Females
2891
F35-39
2891
10K→15K
6.2 - 9.3 mi
Overall
9160
Females
2655
F35-39
2655
15K→21K
9.3 - 13.1 mi
Overall
8642
Females
2485
F35-39
2485
21K→25K
13.1 - 15.5 mi
Overall
7447
Females
2148
F35-39
2148
25K→30K
15.5 - 18.6 mi
Overall
6873
Females
2001
F35-39
2001
30K→35K
18.6 - 21.8 mi
Overall
5632
Females
1674
F35-39
1674
35K→40K
21.8 - 24.9 mi
Overall
4958
Females
1550
F35-39
1550
40K→Finish
24.9 - 26.2 mi
Overall
4467
Females
1385
F35-39
1385
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #8736 |
| 5K → 10K | 59277*-515 | #8736 → #9251 |
| 10K → 15K | 150209*+59 | #9251 → #9192 |
| 15K → 21K | 75309*+234 | #9192 → #8958 |
| 21K → 25K | 25389*+364 | #8958 → #8594 |
| 25K → 30K | 22472*+450 | #8594 → #8144 |
| 30K → 35K | 20586*+566 | #8144 → #7578 |
| 35K → 40K | 15532*+517 | #7578 → #7061 |
| 40K → Finish | 13238*+225 | #7061 → #6836 |
| TOTALS | 9122812*+1900 | #8736 → #6836 |
* 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