John Carlson
Bib: 24100•M•Age: 38
Sausalito, CA
⏱️ Race Timeline
The Course
Claim it — unlock a deeper AI report on this race, free
A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.
Checkpoint Splits
| Checkpoint | Distance | Time of Day | Time | Avg Pace | Segment Time | Segment Pace | Diff |
|---|---|---|---|---|---|---|---|
1.2M | 1.20 mi | 09:01:21 | 12:31 | 10:26 | 12:31 | 10:26 | - |
4.9M | 4.90 mi | 09:34:34 | 45:44 | 9:20 | 33:13 | 8:59 | -1:27 |
11.9M | 11.90 mi | 10:41:53 | 1:53:03 | 9:30 | 1:07:19 | 9:37 | +0:38 |
Finish | 13.11 mi | 10:55:12 | 2:06:22 | 9:38 | 13:19 | 11:01 | +1:24 |
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
8:59 /mi
Average Pace
9:38 /mi
Slowest Pace
11:01 /mi
📊Segments
Segment Time Comparison
Time at Faster Pace
1:40:32
80% of race
Time at Steady Pace
12:31
10% of race
Time at Slower Pace
13:19
11% of race
Average Pace: 9:38 /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 | 09:01:21 | 12:31 | 10:26 | 12:31 | 10:26 | #1815 | |
4.9M | 4.90 mi | 09:34:34 | 45:44 | 9:20 | 33:13 | 8:59 | #1570 | |
11.9M | 11.90 mi | 10:41:53 | 1:53:03 | 9:30 | 1:07:19 | 9:37 | #1494 | |
Finish | 13.11 mi | 10:55:12 | 2:06:22 | 9:38 | 13:19 | 11:01 | #1557 |
Checkpoint and Segment Rankings
| Checkpoint | Distance | Seg. Dist | Overall | Males | M35-39 | Seg. Overall | Seg. Males | Seg. M35-39 |
|---|---|---|---|---|---|---|---|---|
| 1.2M | 1.20 mi | 1.20 mi | 1815 | 1169 | 165 | 1815(Top 50%) | 1169(Top 60%) | 165(Top 61%) |
| 4.9M | 4.90 mi | 3.70 mi | 1570+245 | 1063+106 | 149+16 | 1491(Top 41%) | 1020(Top 52%) | 144(Top 53%) |
| 11.9M | 11.90 mi | 7.00 mi | 1494+76 | 1022+41 | 144+5 | 1493(Top 41%) | 1020(Top 52%) | 146(Top 54%) |
| Finish | 13.11 mi | 1.21 mi | 1557-63 | 1052-30 | 153-9 | 2086(Top 58%) | 1270(Top 65%) | 189(Top 70%) |
Segment Performance Analysis
Start → 1.2M
0.0 - 1.2 mi
Overall
1815
Males
1169
M35-39
165
1.2M→4.9M
1.2 - 4.9 mi
Overall
1491
Males
1020
M35-39
144
4.9M→11.9M
4.9 - 11.9 mi
Overall
1493
Males
1020
M35-39
146
11.9M→Finish
11.9 - 13.1 mi
Overall
2086
Males
1270
M35-39
189
Passing Analysis
| Segment | Athletes Passed | Passed By | Net Change | Start Rank | End Rank |
|---|---|---|---|---|---|
| Start → 1.2M | - | - | - | - | #1815 |
| 1.2M → 4.9M | 284* | 39 | +245 | #1815 | #1570 |
| 4.9M → 11.9M | 143* | 67 | +76 | #1570 | #1494 |
| 11.9M → Finish | 7* | 70 | -63 | #1494 | #1557 |
| TOTALS | 434* | 176 | +258 |
* Includes athletes who did not complete a segment (DNF/DNQ).
Passing Visuals
🔄Passing Circle
🌊Position Flow
🏃Race Lanes
Upload your GPX file
Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps
.gpx files up to 10MB
Export Track Data
Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.
Questions or issues regarding timing data?
If you notice any discrepancies in your timing data or have questions about your results, our support team can help.
Contact Race SupportQuick Links
Find another athlete or browse the full results
Official Timing Data
Enhanced athlete results built from official timing data.
Race managed by
The San Francisco Marathon
