Brian Chontosh
Nederland, CO
Bib: 8635 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 | 31:05 | 10:00 | 3.11 mi | 31:05 | 10:00 | - | |
10K | 1:03:35 | 10:14 | 3.10 mi | 32:30 | 10:28 | +0:28 | |
15K | 1:37:17 | 10:26 | 3.11 mi | 33:42 | 10:51 | +0:23 | |
21K | 2:17:44 | 10:33 | 3.73 mi | 40:27 | 10:51 | 0:00 | |
25K | 2:45:23 | 10:39 | 2.48 mi | 27:39 | 11:07 | +0:16 | |
30K | 3:24:31 | 10:58 | 3.11 mi | 39:08 | 12:36 | +1:29 | |
35K | 4:02:21 | 11:09 | 3.11 mi | 37:50 | 12:11 | -0:25 | |
40K | 4:44:32 | 11:27 | 3.10 mi | 42:11 | 13:35 | +1:24 | |
Finish(26.22 mi) | 5:02:12 | 11:32 | 1.37 mi | 17:40 | 12:57 | -0:38 |
Checkpoints & Pacing
Pace Line
Fastest Pace
10:00 /mi
Average Pace
11:32 /mi
Slowest Pace
13:35 /mi
Segments
Time at Faster Pace
1:03:35
21% of race
Time at Steady Pace
1:41:48
34% of race
Time at Slower Pace
2:16:49
45% of race
Average Pace: 11:32 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M50-54 | Seg. Overall | Seg. Males | Seg. M50-54 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 7743 | 5623 | 344 | 11603 | 7873 | 527 |
| 10K | 3.10 mi | 9620-1877 | 6787-1164 | 446-102 | 11420 | 7803 | 536 |
| 15K | 3.11 mi | 10313-693 | 7192-405 | 479-33 | 11603 | 7873 | 527 |
| 21K | 3.73 mi | 10394-81 | 7215-23 | 478+1 | 10688 | 7350 | 488 |
| 25K | 2.48 mi | 10534-140 | 7251-36 | 487-9 | 11381 | 7559 | 522 |
| 30K | 3.11 mi | 10880-346 | 7385-134 | 503-16 | 12027 | 7770 | 552 |
| 35K | 3.11 mi | 10775+105 | 7252+133 | 497+6 | 10449 | 6730 | 478 |
| 40K | 3.10 mi | 11055-280 | 7358-106 | 510-13 | 11911 | 7510 | 546 |
| Finish(26.22 mi) | 1.37 mi | 11136-81 | 7385-27 | 508+2 | 11536 | 7277 | 509 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
11603
Males
7873
M50-54
7873
5K→10K
3.1 - 6.2 mi
Overall
11420
Males
7803
M50-54
7803
10K→15K
6.2 - 9.3 mi
Overall
11603
Males
7873
M50-54
7873
15K→21K
9.3 - 13.1 mi
Overall
10688
Males
7350
M50-54
7350
21K→25K
13.1 - 15.5 mi
Overall
11381
Males
7559
M50-54
7559
25K→30K
15.5 - 18.6 mi
Overall
12027
Males
7770
M50-54
7770
30K→35K
18.6 - 21.8 mi
Overall
10449
Males
6730
M50-54
6730
35K→40K
21.8 - 24.9 mi
Overall
11911
Males
7510
M50-54
7510
40K→Finish
24.9 - 26.2 mi
Overall
11536
Males
7277
M50-54
7277
Passing Analysis
| Segment | Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #7743 |
| 5K → 10K | 6* | 1883 | -1877 | #7743 | #9620 |
| 10K → 15K | 68* | 761 | -693 | #9620 | #10313 |
| 15K → 21K | 222* | 303 | -81 | #10313 | #10394 |
| 21K → 25K | 153* | 293 | -140 | #10394 | #10534 |
| 25K → 30K | 137* | 483 | -346 | #10534 | #10880 |
| 30K → 35K | 268* | 163 | +105 | #10880 | #10775 |
| 35K → 40K | 92* | 372 | -280 | #10775 | #11055 |
| 40K → Finish | 47* | 128 | -81 | #11055 | #11136 |
| TOTALS | 993* | 4386 | -3393 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Charts
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