Nicholas Dulfer
Bib: 21225•M•Age: 41
San Bruno, CA
⏱️ Race Timeline
The Course
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Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.2M | 1.20 mi | 08:44:38 | 11:46 | 9:48 | 11:46 | 9:48 | - |
4.9M | 4.90 mi | 09:18:12 | 45:20 | 9:15 | 33:34 | 9:04 | -0:44 |
11.9M | 11.90 mi | 10:30:22 | 1:57:30 | 9:52 | 1:12:10 | 10:19 | +1:15 |
Finish | 13.11 mi | 10:44:36 | 2:11:44 | 10:03 | 14:14 | 11:46 | +1:27 |
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
10:03 /mi
Slowest Pace
11:46 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
45:20
34% of race
Time at Steady Pace
1:12:10
55% of race
Time at Slower Pace
14:14
11% of race
Average Pace: 10:03 /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 |
|---|---|---|---|---|---|---|---|---|
1.2M | 1.20 mi | 08:44:38 | 11:46 | 9:48 | 11:46 | 9:48 | #1374 | |
4.9M | 4.90 mi | 09:18:12 | 45:20 | 9:15 | 33:34 | 9:04 | #1505 | |
11.9M | 11.90 mi | 10:30:22 | 1:57:30 | 9:52 | 1:12:10 | 10:19 | #1786 | |
Finish | 13.11 mi | 10:44:36 | 2:11:44 | 10:03 | 14:14 | 11:46 | #1860 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M40-44 | Seg. Overall | Seg. Males | Seg. M40-44 |
|---|---|---|---|---|---|---|---|---|
| 1.2M | 1.20 mi | 1.20 mi | 1374 | 954 | 74 | 1374(Top 38%) | 954(Top 49%) | 74(Top 44%) |
| 4.9M | 4.90 mi | 3.70 mi | 1505-131 | 1034-80 | 78-4 | 1574(Top 44%) | 1065(Top 55%) | 85(Top 51%) |
| 11.9M | 11.90 mi | 7.00 mi | 1786-281 | 1155-121 | 87-9 | 1947(Top 54%) | 1232(Top 63%) | 95(Top 57%) |
| Finish | 13.11 mi | 1.21 mi | 1860-74 | 1188-33 | 91-4 | 2453(Top 68%) | 1422(Top 73%) | 114(Top 68%) |
Segment Performance Analysis
Start → 1.2M
0.0 - 1.2 mi
Overall
1374
Males
954
M40-44
74
1.2M→4.9M
1.2 - 4.9 mi
Overall
1574
Males
1065
M40-44
85
4.9M→11.9M
4.9 - 11.9 mi
Overall
1947
Males
1232
M40-44
95
11.9M→Finish
11.9 - 13.1 mi
Overall
2453
Males
1422
M40-44
114
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.2M | - | - | - | - | #1374 |
| 1.2M → 4.9M | 64* | 195 | -131 | #1374 | #1505 |
| 4.9M → 11.9M | 46* | 327 | -281 | #1505 | #1786 |
| 11.9M → Finish | 9* | 83 | -74 | #1786 | #1860 |
| TOTALS | 119* | 605 | -486 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
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Race managed by
The San Francisco Marathon
