Martha Heath
Castro Valley, CA
Bib: 12754 F 46
Race Timeline
The Course
Half Splits
Your race, unpacked
See your splits, ranks & AI insights.
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2.13M | 2.13 mi | 07:37:43 | 28:16 | 13:16 | 28:16 | 13:16 | - |
6.62M | 6.62 mi | 08:22:45 | 1:13:18 | 11:04 | 45:02 | 10:02 | -3:14 |
7.12M | 7.12 mi | 08:30:10 | 1:20:43 | 11:20 | 7:25 | 14:50 | +4:48 |
10.65M | 10.65 mi | 09:06:03 | 1:56:36 | 10:57 | 35:53 | 10:10 | -4:40 |
Finish | 13.11 mi | 09:32:38 | 2:23:11 | 10:55 | 26:35 | 10:49 | +0:39 |
Checkpoints & Pacing
Pace Line
Pace Progression
Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.
Fastest Pace
10:02 /mi
Average Pace
10:55 /mi
Slowest Pace
14:50 /mi
Segments
Segment Time Comparison
Time at Faster Pace
0:00
0% of race
Time at Steady Pace
1:47:30
75% of race
Time at Slower Pace
35:41
25% of race
Average Pace: 10:55 /mi
Heatmap
Pace Heatmap
Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.
Click or hover over segments to see details
Sparklines
Checkpoint Splits with Pace Trends
Overall Pace Trend
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment | Pace | Trend | Rank |
|---|---|---|---|---|---|---|---|---|
2.13M | 2.13 mi | 07:37:43 | 28:16 | 13:16 | 28:16 | 13:16 | #3473 | |
6.62M | 6.62 mi | 08:22:45 | 1:13:18 | 11:04 | 45:02 | 10:02 | #3032 | |
7.12M | 7.12 mi | 08:30:10 | 1:20:43 | 11:20 | 7:25 | 14:50 | #3059 | |
10.65M | 10.65 mi | 09:06:03 | 1:56:36 | 10:57 | 35:53 | 10:10 | #3102 | |
Finish | 13.11 mi | 09:32:38 | 2:23:11 | 10:55 | 26:35 | 10:49 | #3211 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Females | F45-49 | Seg. Overall | Seg. Females | Seg. F45-49 |
|---|---|---|---|---|---|---|---|---|
| 2.13M | 2.13 mi | 2.13 mi | 3473 | 1305 | 71 | 3473 | 1305 | 71 |
| 6.62M | 6.62 mi | 4.49 mi | 3032+441 | 1087+218 | 54+17 | 2827 | 996 | 54 |
| 7.12M | 7.12 mi | 0.50 mi | 3059-27 | 1098-11 | 55-1 | 3203 | 1165 | 57 |
| 10.65M | 10.65 mi | 3.53 mi | 3102-43 | 1124-26 | 60-5 | 3223 | 1207 | 62 |
| Finish | 13.11 mi | 2.46 mi | 3211-109 | 1190-66 | 63-3 | 3627 | 1464 | 78 |
Segment Performance Analysis
Start → 2.13M
0.0 - 2.1 mi
Overall
3473
Females
1305
F45-49
71
2.13M→6.62M
2.1 - 6.6 mi
Overall
2827
Females
996
F45-49
54
6.62M→7.12M
6.6 - 7.1 mi
Overall
3203
Females
1165
F45-49
57
7.12M→10.65M
7.1 - 10.7 mi
Overall
3223
Females
1207
F45-49
62
10.65M→Finish
10.7 - 13.1 mi
Overall
3627
Females
1464
F45-49
78
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.13M | - | - | - | - | #3473 |
| 2.13M → 6.62M | 496* | 55 | +441 | #3473 | #3032 |
| 6.62M → 7.12M | 38 | 65 | -27 | #3032 | #3059 |
| 7.12M → 10.65M | 78* | 121 | -43 | #3059 | #3102 |
| 10.65M → Finish | 33* | 142 | -109 | #3102 | #3211 |
| TOTALS | 645* | 383 | +262 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Charts
Passing Circle
Position Flow
Race Lanes
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Official Timing Data
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Race managed by
The San Francisco Marathon
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