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SF MARATHON 1ST HALF 2025

Caitlin Lau

San Francisco, CA

Bib: 16917 F 31

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
Division (F30-34)
#0 / 691
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
10:59/mi
19:53
→ flat
12 ft elev
5.34M
11:05/mi
58:59
↑ 80↓ 74
19 ft elev
6.15M
11:18/mi
1:08:08
↑ 1262.8%
149 ft elev
10.54M
11:14/mi
1:57:26
↑ 230↓ 3610.6%
20 ft elev
11.05M
13:08/mi
2:04:08
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
11:02/mi
2:26:52
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:08:08
Pace11:05 /mi
2nd Half
Distance6.96 mi
Time1:18:44
Pace11:19 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:05:2019:5310:5919:53
10:59
-
5.34M
5.34 mi07:44:2658:5911:0339:06
11:05
+0:06
6.15M
6.15 mi07:53:351:08:0811:059:09
11:18
+0:13
10.54M
10.54 mi08:42:531:57:2611:0949:18
11:14
-0:04
11.05M
11.05 mi08:49:352:04:0811:146:42
13:08
+1:54
Finish
13.11 mi09:12:192:26:5211:1222:44
11:02
-2:06

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

10:59 /mi

Average Pace

11:12 /mi

Slowest Pace

13:08 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:10

95% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

6:42

5% of race

Average Pace: 11:12 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨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.

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.81M
1.81 mi07:05:2019:5310:5919:53
10:59
#5690
5.34M
5.34 mi07:44:2658:5911:0339:06
11:05
#5259
6.15M
6.15 mi07:53:351:08:0811:059:09
11:18
#5136
10.54M
10.54 mi08:42:531:57:2611:0949:18
11:14
#4831
11.05M
11.05 mi08:49:352:04:0811:146:42
13:08
#4663
Finish
13.11 mi09:12:192:26:5211:1222:44
11:02
#4494
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
1.81M1.81 mi1.81 mi5690225850956902258509
5.34M5.34 mi3.53 mi5259+4312032+226464+4551231961445
6.15M6.15 mi0.81 mi5136+1231972+60449+1545231642378
10.54M10.54 mi4.39 mi4831+3051813+159419+3045541689387
11.05M11.05 mi0.51 mi4663+1681723+90398+212583778161
Finish13.11 mi2.06 mi4494+1691658+65384+1438811431319

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 80%
~flat
+4ft-3ft

Overall

5690

Females

2258

F30-34

510

1.81M→5.34M

1.8 - 5.3 mi

Top 72%
×4story building
+80ft-74ft

Overall

5123

Females

1961

F30-34

446

5.34M→6.15M

5.3 - 6.2 mi

Top 64%
×10story building
+126ft-4ft

Overall

4523

Females

1642

F30-34

379

6.15M→10.54M

6.2 - 10.5 mi

Top 64%
×21story building
+230ft-361ft

Overall

4554

Females

1689

F30-34

388

10.54M→11.05M

10.5 - 11.1 mi

Top 36%
×14story building
+172ft-0ft

Overall

2583

Females

778

F30-34

161

11.05M→Finish

11.1 - 13.1 mi

Top 55%
×7story building
+97ft-114ft

Overall

3881

Females

1431

F30-34

319

Passing Analysis

Category:
Athletes Passed
1349*
Passed By
153
Net Change
+1196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#5690
1.81M → 5.34M495*64+431#5690#5259
5.34M → 6.15M14825+123#5259#5136
6.15M → 10.54M351*46+305#5136#4831
10.54M → 11.05M1724+168#4831#4663
11.05M → Finish183*14+169#4663#4494
TOTALS1349*153+1196

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events