Brian Adelstein
Chicago, IL
Bib: 5124 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 | 29:09 | 9:23 | 3.11 mi | 29:09 | 9:23 | - | |
10K | 57:19 | 9:13 | 3.10 mi | 28:10 | 9:04 | -0:19 | |
15K | 1:25:37 | 9:11 | 3.11 mi | 28:18 | 9:07 | +0:03 | |
21K | 2:00:01 | 9:12 | 3.73 mi | 34:24 | 9:14 | +0:07 | |
25K | 2:21:44 | 9:07 | 2.48 mi | 21:43 | 8:44 | -0:30 | |
30K | 2:50:24 | 9:08 | 3.11 mi | 28:40 | 9:14 | +0:30 | |
35K | 3:18:32 | 9:08 | 3.11 mi | 28:08 | 9:03 | -0:11 | |
40K | 3:47:48 | 9:10 | 3.10 mi | 29:16 | 9:25 | +0:22 | |
Finish(26.22 mi) | 4:00:21 | 9:10 | 1.37 mi | 12:33 | 9:12 | -0:13 |
Checkpoints & Pacing
Pace Line
Fastest Pace
8:44 /mi
Average Pace
9:10 /mi
Slowest Pace
9:25 /mi
Segments
Time at Faster Pace
1:46:19
44% of race
Time at Steady Pace
2:14:02
56% of race
Time at Slower Pace
0:00
0% of race
Average Pace: 9:10 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M55-59 | Seg. Overall | Seg. Males | Seg. M55-59 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 5544 | 4226 | 139 | 5650 | 4311 | 137 |
| 10K | 3.10 mi | 5893-349 | 4475-249 | 149-10 | 6326 | 4761 | 162 |
| 15K | 3.11 mi | 5778+115 | 4401+74 | 146+3 | 5650 | 4311 | 137 |
| 21K | 3.73 mi | 5714+64 | 4352+49 | 143+3 | 5636 | 4274 | 134 |
| 25K | 2.48 mi | 5441+273 | 4141+211 | 132+11 | 4552 | 3466 | 95 |
| 30K | 3.11 mi | 5135+306 | 3903+238 | 124+8 | 4317 | 3276 | 94 |
| 35K | 3.11 mi | 4730+405 | 3581+322 | 114+10 | 3593 | 2667 | 73 |
| 40K | 3.10 mi | 4488+242 | 3361+220 | 105+9 | 3570 | 2525 | 74 |
| Finish(26.22 mi) | 1.37 mi | 4428+60 | 3307+54 | 100+5 | 3306 | 2341 | 60 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
5650
Males
4311
M55-59
4311
5K→10K
3.1 - 6.2 mi
Overall
6326
Males
4761
M55-59
4761
10K→15K
6.2 - 9.3 mi
Overall
5650
Males
4311
M55-59
4311
15K→21K
9.3 - 13.1 mi
Overall
5636
Males
4274
M55-59
4274
21K→25K
13.1 - 15.5 mi
Overall
4552
Males
3466
M55-59
3466
25K→30K
15.5 - 18.6 mi
Overall
4317
Males
3276
M55-59
3276
30K→35K
18.6 - 21.8 mi
Overall
3593
Males
2667
M55-59
2667
35K→40K
21.8 - 24.9 mi
Overall
3570
Males
2525
M55-59
2525
40K→Finish
24.9 - 26.2 mi
Overall
3306
Males
2341
M55-59
2341
Passing Analysis
| Segment | Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 5K | - | - | - | - | #5544 |
| 5K → 10K | 72* | 421 | -349 | #5544 | #5893 |
| 10K → 15K | 193* | 78 | +115 | #5893 | #5778 |
| 15K → 21K | 184* | 120 | +64 | #5778 | #5714 |
| 21K → 25K | 298* | 25 | +273 | #5714 | #5441 |
| 25K → 30K | 337* | 31 | +306 | #5441 | #5135 |
| 30K → 35K | 436* | 31 | +405 | #5135 | #4730 |
| 35K → 40K | 307* | 65 | +242 | #4730 | #4488 |
| 40K → Finish | 92* | 32 | +60 | #4488 | #4428 |
| TOTALS | 1919* | 803 | +1116 |
* 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