Harrison Brock
Alexandria, VA
Bib: 20583 M
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 | 36:10 | 11:38 | 3.11 mi | 36:10 | 11:38 | - | |
10K | 1:09:59 | 11:16 | 3.10 mi | 33:49 | 10:53 | -0:45 | |
15K | 1:43:50 | 11:08 | 3.11 mi | 33:51 | 10:54 | +0:01 | |
21K | 2:27:46 | 11:19 | 3.73 mi | 43:56 | 11:47 | +0:53 | |
25K | 2:58:10 | 11:28 | 2.48 mi | 30:24 | 12:14 | +0:27 | |
30K | 3:38:40 | 11:44 | 3.11 mi | 40:30 | 13:02 | +0:48 | |
35K | 4:16:25 | 11:47 | 3.11 mi | 37:45 | 12:09 | -0:53 | |
40K | 4:56:27 | 11:56 | 3.10 mi | 40:02 | 12:53 | +0:44 | |
Finish(26.22 mi) | 5:13:22 | 11:58 | 1.37 mi | 16:55 | 12:24 | -0:29 |
Checkpoints & Pacing
Pace Line
Fastest Pace
10:53 /mi
Average Pace
11:58 /mi
Slowest Pace
13:02 /mi
Segments
Time at Faster Pace
2:27:46
47% of race
Time at Steady Pace
1:25:04
27% of race
Time at Slower Pace
1:20:32
26% of race
Average Pace: 11:57 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M25-29 | Seg. Overall | Seg. Males | Seg. M25-29 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 21986 | 14011 | 2397 | 20172 | 13077 | 2310 |
| 10K | 3.10 mi | 21725+261 | 13873+138 | 2383+14 | 21530 | 13799 | 2378 |
| 15K | 3.11 mi | 21071+654 | 13562+311 | 2359+24 | 20172 | 13077 | 2310 |
| 21K | 3.73 mi | 21187-116 | 13584-22 | 2383-24 | 21655 | 13753 | 2384 |
| 25K | 2.48 mi | 21420-233 | 13638-54 | 2376+7 | 22466 | 13910 | 2373 |
| 30K | 3.11 mi | 21447-27 | 13575+63 | 2364+12 | 21763 | 13371 | 2319 |
| 35K | 3.11 mi | 20716+731 | 13078+497 | 2305+59 | 17197 | 10564 | 1929 |
| 40K | 3.10 mi | 20233+483 | 12734+344 | 2266+39 | 18020 | 10850 | 1957 |
| Finish(26.22 mi) | 1.37 mi | 20002+231 | 12566+168 | 2245+21 | 17214 | 10400 | 1952 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
20172
Males
13077
M25-29
13077
5K→10K
3.1 - 6.2 mi
Overall
21530
Males
13799
M25-29
13799
10K→15K
6.2 - 9.3 mi
Overall
20172
Males
13077
M25-29
13077
15K→21K
9.3 - 13.1 mi
Overall
21655
Males
13753
M25-29
13753
21K→25K
13.1 - 15.5 mi
Overall
22466
Males
13910
M25-29
13910
25K→30K
15.5 - 18.6 mi
Overall
21763
Males
13371
M25-29
13371
30K→35K
18.6 - 21.8 mi
Overall
17197
Males
10564
M25-29
10564
35K→40K
21.8 - 24.9 mi
Overall
18020
Males
10850
M25-29
10850
40K→Finish
24.9 - 26.2 mi
Overall
17214
Males
10400
M25-29
10400
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #21986 |
| 5K → 10K | 344605*+261 | #21986 → #21725 |
| 10K → 15K | 106760*+654 | #21725 → #21071 |
| 15K → 21K | 630514*-116 | #21071 → #21187 |
| 21K → 25K | 528295*-233 | #21187 → #21420 |
| 25K → 30K | 376349*-27 | #21420 → #21447 |
| 30K → 35K | 65796*+731 | #21447 → #20716 |
| 35K → 40K | 124607*+483 | #20716 → #20233 |
| 40K → Finish | 37268*+231 | #20233 → #20002 |
| TOTALS | 22104194*+1984 | #21986 → #20002 |
* 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