Mark Wentzloff
Chicago, IL
Bib: 37497 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 | 35:12 | 11:20 | 3.11 mi | 35:12 | 11:20 | - | |
10K | 1:06:18 | 10:40 | 3.10 mi | 31:06 | 10:01 | -1:19 | |
15K | 1:38:08 | 10:32 | 3.11 mi | 31:50 | 10:15 | +0:14 | |
21K | 2:20:56 | 10:48 | 3.73 mi | 42:48 | 11:29 | +1:14 | |
25K | 2:49:56 | 10:56 | 2.48 mi | 29:00 | 11:40 | +0:11 | |
30K | 3:26:27 | 11:04 | 3.11 mi | 36:31 | 11:45 | +0:05 | |
35K | 4:04:31 | 11:15 | 3.11 mi | 38:04 | 12:15 | +0:30 | |
40K | 4:45:24 | 11:29 | 3.10 mi | 40:53 | 13:10 | +0:55 | |
Finish(26.22 mi) | 5:02:40 | 11:33 | 1.37 mi | 17:16 | 12:40 | -0:30 |
Checkpoints & Pacing
Pace Line
Fastest Pace
10:01 /mi
Average Pace
11:33 /mi
Slowest Pace
13:10 /mi
Segments
Time at Faster Pace
1:02:56
21% of race
Time at Steady Pace
2:23:31
47% of race
Time at Slower Pace
1:36:13
32% of race
Average Pace: 11:33 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M35-39 | Seg. Overall | Seg. Males | Seg. M35-39 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 20262 | 13125 | 1905 | 16248 | 10956 | 1627 |
| 10K | 3.10 mi | 18051+2211 | 11970+1155 | 1767+138 | 15774 | 10734 | 1588 |
| 15K | 3.11 mi | 17298+753 | 11576+394 | 1711+56 | 16248 | 10956 | 1627 |
| 21K | 3.73 mi | 18329-1031 | 12099-523 | 1783-72 | 20507 | 13167 | 1909 |
| 25K | 2.48 mi | 18737-408 | 12264-165 | 1811-28 | 20595 | 12952 | 1861 |
| 30K | 3.11 mi | 18444+293 | 12004+260 | 1767+44 | 17688 | 11224 | 1623 |
| 35K | 3.11 mi | 18251+193 | 11741+263 | 1726+41 | 17533 | 10749 | 1548 |
| 40K | 3.10 mi | 18375-124 | 11691+50 | 1706+20 | 18827 | 11308 | 1607 |
| Finish(26.22 mi) | 1.37 mi | 18383-8 | 11658+33 | 1698+8 | 18090 | 10889 | 1576 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
16248
Males
10956
M35-39
10956
5K→10K
3.1 - 6.2 mi
Overall
15774
Males
10734
M35-39
10734
10K→15K
6.2 - 9.3 mi
Overall
16248
Males
10956
M35-39
10956
15K→21K
9.3 - 13.1 mi
Overall
20507
Males
13167
M35-39
13167
21K→25K
13.1 - 15.5 mi
Overall
20595
Males
12952
M35-39
12952
25K→30K
15.5 - 18.6 mi
Overall
17688
Males
11224
M35-39
11224
30K→35K
18.6 - 21.8 mi
Overall
17533
Males
10749
M35-39
10749
35K→40K
21.8 - 24.9 mi
Overall
18827
Males
11308
M35-39
11308
40K→Finish
24.9 - 26.2 mi
Overall
18090
Males
10889
M35-39
10889
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #20262 |
| 5K → 10K | 442255*+2211 | #20262 → #18051 |
| 10K → 15K | 96849*+753 | #18051 → #17298 |
| 15K → 21K | 1283252*-1031 | #17298 → #18329 |
| 21K → 25K | 651243*-408 | #18329 → #18737 |
| 25K → 30K | 239532*+293 | #18737 → #18444 |
| 30K → 35K | 305498*+193 | #18444 → #18251 |
| 35K → 40K | 400276*-124 | #18251 → #18375 |
| 40K → Finish | 126118*-8 | #18375 → #18383 |
| TOTALS | 31445023*+1879 | #20262 → #18383 |
* 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