David Karson
Santa Clara, CA
Bib: 19327 M
Race Timeline
See every mile of your race
Add your watch's GPX to unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.
Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.
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 | 38:35 | 12:25 | 3.11 mi | 38:35 | 12:25 | - | |
10K | 1:21:44 | 13:09 | 3.10 mi | 43:09 | 13:53 | +1:28 | |
15K | 2:05:50 | 13:30 | 3.11 mi | 44:06 | 14:12 | +0:19 | |
21K | 2:57:58 | 13:38 | 3.73 mi | 52:08 | 13:59 | -0:13 | |
25K | 3:30:53 | 13:35 | 2.48 mi | 32:55 | 13:15 | -0:44 | |
30K | 4:21:07 | 14:00 | 3.11 mi | 50:14 | 16:10 | +2:55 | |
35K | 5:08:47 | 14:12 | 3.11 mi | 47:40 | 15:21 | -0:49 | |
40K | 5:54:33 | 14:16 | 3.10 mi | 45:46 | 14:44 | -0:37 | |
Finish(26.22 mi) | 6:14:21 | 14:17 | 1.37 mi | 19:48 | 14:31 | -0:13 |
Checkpoints & Pacing
Pace Line
Fastest Pace
12:25 /mi
Average Pace
14:17 /mi
Slowest Pace
16:10 /mi
Segments
Time at Faster Pace
1:11:30
19% of race
Time at Steady Pace
2:39:11
43% of race
Time at Slower Pace
2:23:40
38% of race
Average Pace: 14:17 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M60-64 | Seg. Overall | Seg. Males | Seg. M60-64 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 14847 | 9519 | 311 | 15870 | 9945 | 348 |
| 10K | 3.10 mi | 15725-878 | 9908-389 | 341-30 | 16012 | 10025 | 354 |
| 15K | 3.11 mi | 15811-86 | 9941-33 | 345-4 | 15870 | 9945 | 348 |
| 21K | 3.73 mi | 15660+151 | 9866+75 | 340+5 | 15301 | 9675 | 329 |
| 25K | 2.48 mi | 15546+114 | 9797+69 | 338+2 | 14402 | 9115 | 289 |
| 30K | 3.11 mi | 15527+19 | 9762+35 | 338 | 15520 | 9681 | 337 |
| 35K | 3.11 mi | 15467+60 | 9718+44 | 334+4 | 14730 | 9194 | 310 |
| 40K | 3.10 mi | 15304+163 | 9622+96 | 331+3 | 13469 | 8435 | 251 |
| Finish(26.22 mi) | 1.37 mi | 15237+67 | 9584+38 | 327+4 | 13577 | 8490 | 257 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
15870
Males
9945
M60-64
9945
5K→10K
3.1 - 6.2 mi
Overall
16012
Males
10025
M60-64
10025
10K→15K
6.2 - 9.3 mi
Overall
15870
Males
9945
M60-64
9945
15K→21K
9.3 - 13.1 mi
Overall
15301
Males
9675
M60-64
9675
21K→25K
13.1 - 15.5 mi
Overall
14402
Males
9115
M60-64
9115
25K→30K
15.5 - 18.6 mi
Overall
15520
Males
9681
M60-64
9681
30K→35K
18.6 - 21.8 mi
Overall
14730
Males
9194
M60-64
9194
35K→40K
21.8 - 24.9 mi
Overall
13469
Males
8435
M60-64
8435
40K→Finish
24.9 - 26.2 mi
Overall
13577
Males
8490
M60-64
8490
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #14847 |
| 5K → 10K | 8868*-878 | #14847 → #15725 |
| 10K → 15K | 11529*-86 | #15725 → #15811 |
| 15K → 21K | 18169*+151 | #15811 → #15660 |
| 21K → 25K | 22136*+114 | #15660 → #15546 |
| 25K → 30K | 7897*+19 | #15546 → #15527 |
| 30K → 35K | 2484*+60 | #15527 → #15467 |
| 35K → 40K | 14177*+163 | #15467 → #15304 |
| 40K → Finish | 269*+67 | #15304 → #15237 |
| TOTALS | 1159769*-390 | #14847 → #15237 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
Is this your race? Claim it to upload your GPX and export your data as yours.
Upload your GPX file
Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.
Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other 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