Nancy Mason
Los Altos, CA
Bib: 24045 F
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 | 45:28 | 14:38 | 3.11 mi | 45:28 | 14:38 | - | |
10K | 1:29:14 | 14:22 | 3.10 mi | 43:46 | 14:05 | -0:33 | |
15K | 2:14:17 | 14:24 | 3.11 mi | 45:03 | 14:30 | +0:25 | |
21K | 3:12:01 | 14:43 | 3.73 mi | 57:44 | 15:29 | +0:59 | |
25K | 3:48:45 | 14:44 | 2.48 mi | 36:44 | 14:47 | -0:42 | |
30K | 4:40:42 | 15:03 | 3.11 mi | 51:57 | 16:43 | +1:56 | |
35K | 5:34:11 | 15:22 | 3.11 mi | 53:29 | 17:13 | +0:30 | |
40K | 6:34:53 | 15:53 | 3.10 mi | 1:00:42 | 19:32 | +2:19 | |
Finish(26.22 mi) | 7:06:19 | 16:16 | 1.37 mi | 31:26 | 23:03 | +3:31 |
Checkpoints & Pacing
Pace Line
Fastest Pace
14:05 /mi
Average Pace
16:16 /mi
Slowest Pace
23:03 /mi
Segments
Time at Faster Pace
43:46
10% of race
Time at Steady Pace
3:56:56
56% of race
Time at Slower Pace
2:25:37
34% of race
Average Pace: 16:16 /mi
Heatmap
Checkpoint and Segment Rankings
| Checkpoint | Seg. Dist | Overall | Females | F60-64 | Seg. Overall | Seg. Females | Seg. F60-64 |
|---|---|---|---|---|---|---|---|
| 5K | 3.11 mi | 29988 | 12247 | 399 | 29713 | 12106 | 397 |
| 10K | 3.10 mi | 30009-21 | 12268-21 | 403-4 | 29989 | 12259 | 404 |
| 15K | 3.11 mi | 29954+55 | 12232+36 | 403 | 29713 | 12106 | 397 |
| 21K | 3.73 mi | 29854+100 | 12192+40 | 403 | 29468 | 12005 | 401 |
| 25K | 2.48 mi | 29718+136 | 12122+70 | 402+1 | 28281 | 11525 | 376 |
| 30K | 3.11 mi | 29640+78 | 12092+30 | 405-3 | 29159 | 11955 | 398 |
| 35K | 3.11 mi | 29584+56 | 12071+21 | 402+3 | 28925 | 11903 | 395 |
| 40K | 3.10 mi | 29659-75 | 12132-61 | 406-4 | 29451 | 12112 | 407 |
| Finish(26.22 mi) | 1.37 mi | 29722-63 | 12167-35 | 409-3 | 29929 | 12296 | 411 |
Segment Performance Analysis
10K→15K
0.0 - 3.1 mi
Overall
29713
Females
12106
F60-64
12106
5K→10K
3.1 - 6.2 mi
Overall
29989
Females
12259
F60-64
12259
10K→15K
6.2 - 9.3 mi
Overall
29713
Females
12106
F60-64
12106
15K→21K
9.3 - 13.1 mi
Overall
29468
Females
12005
F60-64
12005
21K→25K
13.1 - 15.5 mi
Overall
28281
Females
11525
F60-64
11525
25K→30K
15.5 - 18.6 mi
Overall
29159
Females
11955
F60-64
11955
30K→35K
18.6 - 21.8 mi
Overall
28925
Females
11903
F60-64
11903
35K→40K
21.8 - 24.9 mi
Overall
29451
Females
12112
F60-64
12112
40K→Finish
24.9 - 26.2 mi
Overall
29929
Females
12296
F60-64
12296
Passing Analysis
| Segment | Movement | Rank |
|---|---|---|
| Start → 5K | - | #29988 |
| 5K → 10K | 9271*-21 | #29988 → #30009 |
| 10K → 15K | 3893*+55 | #30009 → #29954 |
| 15K → 21K | 47147*+100 | #29954 → #29854 |
| 21K → 25K | 14150*+136 | #29854 → #29718 |
| 25K → 30K | 33111*+78 | #29718 → #29640 |
| 30K → 35K | 3389*+56 | #29640 → #29584 |
| 35K → 40K | 12752*-75 | #29584 → #29659 |
| 40K → Finish | 7512*-63 | #29659 → #29722 |
| TOTALS | 459725*+266 | #29988 → #29722 |
* 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