David Rosenfeld
Mill Valley, CA
Bib: 15365 M
Race Timeline
The Course
Half Splits
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Checkpoint Splits
| Checkpoint | Time | Avg Pace | Segment Length | Segment Time | Segment Pace | Trend | Diff |
|---|---|---|---|---|---|---|---|
5K | 37:00 | 11:55 | 3.11 mi | 37:00 | 11:55 | - | |
10K | 1:10:44 | 11:23 | 3.10 mi | 33:44 | 10:51 | -1:04 | |
15K | 1:46:02 | 11:23 | 3.11 mi | 35:18 | 11:22 | +0:31 | |
21K | 2:30:00 | 11:30 | 3.73 mi | 43:58 | 11:48 | +0:26 | |
25K | 2:58:06 | 11:28 | 2.48 mi | 28:06 | 11:18 | -0:30 | |
30K | 3:35:37 | 11:34 | 3.11 mi | 37:31 | 12:05 | +0:47 | |
35K | 4:13:30 | 11:39 | 3.11 mi | 37:53 | 12:12 | +0:07 | |
40K | 4:53:20 | 11:48 | 3.10 mi | 39:50 | 12:49 | +0:37 | |
Finish(26.22 mi) | 5:11:17 | 11:53 | 1.37 mi | 17:57 | 13:10 | +0:21 |
Checkpoints & Pacing
Pace Line
Fastest Pace
10:51 /mi
Average Pace
11:53 /mi
Slowest Pace
13:10 /mi
Segments
Time at Faster Pace
1:37:08
31% of race
Time at Steady Pace
2:36:22
50% of race
Time at Slower Pace
57:47
19% of race
Average Pace: 11:52 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Males | M70-74 | Seg. Overall | Seg. Males | Seg. M70-74 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 23455 | 14768 | 67 | 22486 | 14288 | 57 |
| 10K | 3.10 mi | 22347+1108 | 14210+558 | 57+10 | 21361 | 13718 | 51 |
| 15K | 3.11 mi | 22378-31 | 14245-35 | 58-1 | 22486 | 14288 | 57 |
| 21K | 3.73 mi | 22085+293 | 14058+187 | 56+2 | 21674 | 13761 | 57 |
| 25K | 2.48 mi | 21383+702 | 13615+443 | 52+4 | 19275 | 12250 | 43 |
| 30K | 3.11 mi | 20745+638 | 13185+430 | 47+5 | 18765 | 11809 | 43 |
| 35K | 3.11 mi | 20149+596 | 12775+410 | 46+1 | 17324 | 10641 | 38 |
| 40K | 3.10 mi | 19752+397 | 12446+329 | 44+2 | 17808 | 10727 | 40 |
| Finish(26.22 mi) | 1.37 mi | 19709+43 | 12374+72 | 43+1 | 19672 | 11847 | 42 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
22486
Males
14288
M70-74
14288
5K→10K
3.1 - 6.2 mi
Overall
21361
Males
13718
M70-74
13718
10K→15K
6.2 - 9.3 mi
Overall
22486
Males
14288
M70-74
14288
15K→21K
9.3 - 13.1 mi
Overall
21674
Males
13761
M70-74
13761
21K→25K
13.1 - 15.5 mi
Overall
19275
Males
12250
M70-74
12250
25K→30K
15.5 - 18.6 mi
Overall
18765
Males
11809
M70-74
11809
30K→35K
18.6 - 21.8 mi
Overall
17324
Males
10641
M70-74
10641
35K→40K
21.8 - 24.9 mi
Overall
17808
Males
10727
M70-74
10727
40K→Finish
24.9 - 26.2 mi
Overall
19672
Males
11847
M70-74
11847
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #23455 |
| 5K → 10K | 1161224*+1108 | #23455 → #22347 |
| 10K → 15K | 430399*-31 | #22347 → #22378 |
| 15K → 21K | 393686*+293 | #22378 → #22085 |
| 21K → 25K | 57759*+702 | #22085 → #21383 |
| 25K → 30K | 91729*+638 | #21383 → #20745 |
| 30K → 35K | 97693*+596 | #20745 → #20149 |
| 35K → 40K | 133530*+397 | #20149 → #19752 |
| 40K → Finish | 107150*+43 | #19752 → #19709 |
| TOTALS | 14245170*+3746 | #23455 → #19709 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visualized
Passing Circle
Position Flow
Race Lanes
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Race managed by
U.S. Marine Corps Community Services (MCCS)
Race timed by
Timing Productions