Marshall Johnson
Washington, DC
Bib: 8874 M

⏱️ Race Timeline
The Course
Claim it for a free AI report on this race
A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.
Half Splits
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 07:49:59 | 28:00 | 9:01 | 28:00 | 9:01 | - |
10K | 6.21 mi | 08:15:41 | 53:42 | 8:39 | 25:42 | 8:16 | -0:45 |
15K | 9.32 mi | 08:41:56 | 1:19:57 | 8:35 | 26:15 | 8:27 | +0:11 |
21K | 13.05 mi | 09:14:45 | 1:52:46 | 8:39 | 32:49 | 8:48 | +0:21 |
25K | 15.53 mi | 09:36:20 | 2:14:21 | 8:39 | 21:35 | 8:41 | -0:07 |
30K | 18.64 mi | 10:08:01 | 2:46:02 | 8:54 | 31:41 | 10:12 | +1:31 |
35K | 21.75 mi | 10:43:54 | 3:21:55 | 9:17 | 35:53 | 11:33 | +1:21 |
40K | 24.85 mi | 11:20:03 | 3:58:04 | 9:35 | 36:09 | 11:38 | +0:05 |
Finish | 26.22 mi | 11:35:00 | 4:13:01 | 9:39 | 14:57 | 10:58 | -0:40 |
Checkpoints & Pacing
📈Pace Line
Pace Progression
Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.
Fastest Pace
8:16 /mi
Average Pace
9:39 /mi
Slowest Pace
11:38 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
25:42
10% of race
Time at Steady Pace
1:48:39
43% of race
Time at Slower Pace
1:58:40
47% of race
Average Pace: 9:39 /mi
🎨Heatmap
Pace Heatmap
Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.
Click or hover over segments to see details
✨Sparklines
Checkpoint Splits with Pace Trends
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
5K | 3.11 mi | 07:49:59 | 28:00 | 9:01 | 28:00 | 9:01 | #5633 | |
10K | 6.21 mi | 08:15:41 | 53:42 | 8:39 | 25:42 | 8:16 | #5196 | |
15K | 9.32 mi | 08:41:56 | 1:19:57 | 8:35 | 26:15 | 8:27 | #5268 | |
21K | 13.05 mi | 09:14:45 | 1:52:46 | 8:39 | 32:49 | 8:48 | #5503 | |
25K | 15.53 mi | 09:36:20 | 2:14:21 | 8:39 | 21:35 | 8:41 | #5629 | |
30K | 18.64 mi | 10:08:01 | 2:46:02 | 8:54 | 31:41 | 10:12 | #6700 | |
35K | 21.75 mi | 10:43:54 | 3:21:55 | 9:17 | 35:53 | 11:33 | #8362 | |
40K | 24.85 mi | 11:20:03 | 3:58:04 | 9:35 | 36:09 | 11:38 | #8975 | |
Finish | 26.22 mi | 11:35:00 | 4:13:01 | 9:39 | 14:57 | 10:58 | #9039 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M45-49 | Seg. Overall | Seg. Males | Seg. M45-49 |
|---|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 3.11 mi | 5633 | 4377 | 336 | 5500(Top 18%) | 4295(Top 24%) | 333(Top 19%) |
| 10K | 6.21 mi | 3.10 mi | 5196+437 | 4086+291 | 310+26 | 4976(Top 17%) | 3951(Top 22%) | 302(Top 17%) |
| 15K | 9.32 mi | 3.11 mi | 5268-72 | 4139-53 | 316-6 | 5500(Top 18%) | 4295(Top 24%) | 333(Top 19%) |
| 21K | 13.05 mi | 3.73 mi | 5503-235 | 4306-167 | 337-21 | 6412(Top 21%) | 4911(Top 28%) | 379(Top 22%) |
| 25K | 15.53 mi | 2.48 mi | 5629-126 | 4389-83 | 343-6 | 6876(Top 23%) | 5179(Top 29%) | 410(Top 23%) |
| 30K | 18.64 mi | 3.11 mi | 6700-1071 | 5079-690 | 400-57 | 11392(Top 38%) | 7764(Top 44%) | 663(Top 38%) |
| 35K | 21.75 mi | 3.11 mi | 8362-1662 | 6102-1023 | 506-106 | 15131(Top 50%) | 9477(Top 54%) | 857(Top 49%) |
| 40K | 24.85 mi | 3.10 mi | 8975-613 | 6373-271 | 533-27 | 13879(Top 46%) | 8531(Top 48%) | 743(Top 42%) |
| Finish | 26.22 mi | 1.37 mi | 9039-64 | 6370+3 | 534-1 | 11779(Top 39%) | 7297(Top 41%) | 597(Top 34%) |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
5500
Males
4295
M45-49
4295
5K→10K
3.1 - 6.2 mi
Overall
4976
Males
3951
M45-49
3951
10K→15K
6.2 - 9.3 mi
Overall
5500
Males
4295
M45-49
4295
15K→21K
9.3 - 13.1 mi
Overall
6412
Males
4911
M45-49
4911
21K→25K
13.1 - 15.5 mi
Overall
6876
Males
5179
M45-49
5179
25K→30K
15.5 - 18.6 mi
Overall
11392
Males
7764
M45-49
7764
30K→35K
18.6 - 21.8 mi
Overall
15131
Males
9477
M45-49
9477
35K→40K
21.8 - 24.9 mi
Overall
13879
Males
8531
M45-49
8531
40K→Finish
24.9 - 26.2 mi
Overall
11779
Males
7297
M45-49
7297
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #5633 |
| 5K → 10K | 534* | 97 | +437 | #5633 | #5196 |
| 10K → 15K | 124* | 196 | -72 | #5196 | #5268 |
| 15K → 21K | 75* | 310 | -235 | #5268 | #5503 |
| 21K → 25K | 108 | 234 | -126 | #5503 | #5629 |
| 25K → 30K | 56* | 1127 | -1071 | #5629 | #6700 |
| 30K → 35K | 67* | 1729 | -1662 | #6700 | #8362 |
| 35K → 40K | 125* | 738 | -613 | #8362 | #8975 |
| 40K → Finish | 85* | 149 | -64 | #8975 | #9039 |
| TOTALS | 1174* | 4580 | -3406 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
Export Track Data
Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.
Questions or issues regarding timing data?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportQuick Links
Find another athlete or browse the full results
Public Race Data
Enhanced athlete results built from publicly available data.
Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions