Justin Southern
Brooklyn, NY
Bib: 12536 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 | 33:52 | 10:54 | 3.11 mi | 33:52 | 10:54 | - | |
10K | 1:07:40 | 10:53 | 3.10 mi | 33:48 | 10:53 | -0:01 | |
15K | 1:41:28 | 10:53 | 3.11 mi | 33:48 | 10:53 | 0:00 | |
21K | 2:22:10 | 10:54 | 3.73 mi | 40:42 | 10:55 | +0:02 | |
25K | 2:48:24 | 10:50 | 2.48 mi | 26:14 | 10:33 | -0:22 | |
30K | 3:22:35 | 10:52 | 3.11 mi | 34:11 | 11:00 | +0:27 | |
35K | 3:58:14 | 10:57 | 3.11 mi | 35:39 | 11:28 | +0:28 | |
40K | 4:37:32 | 11:10 | 3.10 mi | 39:18 | 12:39 | +1:11 | |
Finish(26.22 mi) | 4:54:33 | 11:15 | 1.37 mi | 17:01 | 12:29 | -0:10 |
Checkpoints & Pacing
Pace Line
Fastest Pace
10:33 /mi
Average Pace
11:15 /mi
Slowest Pace
12:39 /mi
Segments
Time at Faster Pace
3:58:14
81% of race
Time at Steady Pace
0:00
0% of race
Time at Slower Pace
56:19
19% of race
Average Pace: 11:14 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M40-44 | Seg. Overall | Seg. Males | Seg. M40-44 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 11232 | 7688 | 943 | 11696 | 7932 | 974 |
| 10K | 3.10 mi | 12024-792 | 8130-442 | 1001-58 | 12737 | 8478 | 1047 |
| 15K | 3.11 mi | 11838+186 | 8015+115 | 984+17 | 11696 | 7932 | 974 |
| 21K | 3.73 mi | 11458+380 | 7805+210 | 960+24 | 10905 | 7464 | 911 |
| 25K | 2.48 mi | 11134+324 | 7580+225 | 925+35 | 9997 | 6779 | 815 |
| 30K | 3.11 mi | 10572+562 | 7210+370 | 876+49 | 8865 | 6017 | 710 |
| 35K | 3.11 mi | 10282+290 | 6974+236 | 841+35 | 9085 | 5948 | 724 |
| 40K | 3.10 mi | 10312-30 | 6937+37 | 842-1 | 10383 | 6585 | 806 |
| Finish(26.22 mi) | 1.37 mi | 10369-57 | 6944-7 | 842 | 10787 | 6818 | 828 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
11696
Males
7932
M40-44
7932
5K→10K
3.1 - 6.2 mi
Overall
12737
Males
8478
M40-44
8478
10K→15K
6.2 - 9.3 mi
Overall
11696
Males
7932
M40-44
7932
15K→21K
9.3 - 13.1 mi
Overall
10905
Males
7464
M40-44
7464
21K→25K
13.1 - 15.5 mi
Overall
9997
Males
6779
M40-44
6779
25K→30K
15.5 - 18.6 mi
Overall
8865
Males
6017
M40-44
6017
30K→35K
18.6 - 21.8 mi
Overall
9085
Males
5948
M40-44
5948
35K→40K
21.8 - 24.9 mi
Overall
10383
Males
6585
M40-44
6585
40K→Finish
24.9 - 26.2 mi
Overall
10787
Males
6818
M40-44
6818
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #11232 |
| 5K → 10K | 84654*-792 | #11232 → #12024 |
| 10K → 15K | 112298*+186 | #12024 → #11838 |
| 15K → 21K | 86466*+380 | #11838 → #11458 |
| 21K → 25K | 32356*+324 | #11458 → #11134 |
| 25K → 30K | 24586*+562 | #11134 → #10572 |
| 30K → 35K | 91381*+290 | #10572 → #10282 |
| 35K → 40K | 203173*-30 | #10282 → #10312 |
| 40K → Finish | 11053*-57 | #10312 → #10369 |
| TOTALS | 15042367*+863 | #11232 → #10369 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
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