Sam Kalum
San Francisco, CA
Bib: 14524 M 36
⏱️ Race Timeline
The Course
Half Splits
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Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
2.13M | 2.13 mi | 07:36:28 | 24:41 | 11:35 | 24:41 | 11:35 | - |
6.62M | 6.62 mi | 08:20:41 | 1:08:54 | 10:24 | 44:13 | 9:51 | -1:44 |
7.12M | 7.12 mi | 08:29:29 | 1:17:42 | 10:55 | 8:48 | 17:36 | +7:45 |
10.65M | 10.65 mi | 09:01:28 | 1:49:41 | 10:18 | 31:59 | 9:04 | -8:32 |
Finish | 13.11 mi | 09:25:21 | 2:13:34 | 10:11 | 23:53 | 9:43 | +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
9:04 /mi
Average Pace
10:11 /mi
Slowest Pace
17:36 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
0:00
0% of race
Time at Steady Pace
1:40:05
75% of race
Time at Slower Pace
33:29
25% of race
Average Pace: 10:11 /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 | 07:36:28 | 24:41 | 11:35 | 24:41 | 11:35 | #1608 | |
6.62M | 6.62 mi | 08:20:41 | 1:08:54 | 10:24 | 44:13 | 9:51 | #2256 | |
7.12M | 7.12 mi | 08:29:29 | 1:17:42 | 10:55 | 8:48 | 17:36 | #2584 | |
10.65M | 10.65 mi | 09:01:28 | 1:49:41 | 10:18 | 31:59 | 9:04 | #2392 | |
Finish | 13.11 mi | 09:25:21 | 2:13:34 | 10:11 | 23:53 | 9:43 | #2434 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M35-39 | Seg. Overall | Seg. Males | Seg. M35-39 |
|---|---|---|---|---|---|---|---|---|
| 2.13M | 2.13 mi | 2.13 mi | 1608 | 1152 | 164 | 1608 | 1152 | 164 |
| 6.62M | 6.62 mi | 4.49 mi | 2256-648 | 1546-394 | 219-55 | 2603 | 1709 | 246 |
| 7.12M | 7.12 mi | 0.50 mi | 2584-328 | 1712-166 | 249-30 | 4457 | 2604 | 381 |
| 10.65M | 10.65 mi | 3.53 mi | 2392+192 | 1603+109 | 222+27 | 2008 | 1382 | 201 |
| Finish | 13.11 mi | 2.46 mi | 2434-42 | 1618-15 | 232-10 | 2654 | 1683 | 242 |
Segment Performance Analysis
Start → 2.13M
0.0 - 2.1 mi
Overall
1608
Males
1152
M35-39
167
2.13M→6.62M
2.1 - 6.6 mi
Overall
2603
Males
1709
M35-39
248
6.62M→7.12M
6.6 - 7.1 mi
Overall
4457
Males
2604
M35-39
382
7.12M→10.65M
7.1 - 10.7 mi
Overall
2008
Males
1382
M35-39
202
10.65M→Finish
10.7 - 13.1 mi
Overall
2654
Males
1683
M35-39
242
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 2.13M | - | - | - | - | #1608 |
| 2.13M → 6.62M | 15* | 663 | -648 | #1608 | #2256 |
| 6.62M → 7.12M | 0 | 328 | -328 | #2256 | #2584 |
| 7.12M → 10.65M | 205* | 13 | +192 | #2584 | #2392 |
| 10.65M → Finish | 57* | 99 | -42 | #2392 | #2434 |
| TOTALS | 277* | 1103 | -826 |
* 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
Race timed by
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