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SF MARATHON 1ST HALF 2025

Emily Liu

San Francisco, CA

Bib: 19851 F 22

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Female)
#0 / 3107
F20-29
#0 / 410
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
10:08/mi
18:21
→ flat
5.34M
11:14/mi
58:01
↑ 80↓ 74
6.15M
10:41/mi
1:06:40
↑ 126
10.54M
11:35/mi
1:57:33
↑ 230↓ 361
11.05M
16:36/mi
2:06:01
↑ 172
Finish· 13.11 mi
12:14/mi
2:31:12
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:06:4010:50 /mi⚡ faster
2nd Half
1:24:3212:09 /mi+26.8%
Positive split — 26.8% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.81M
18:2110:081.81 mi18:21
10:08
-
5.34M
58:0110:523.53 mi39:40
11:14
+1:06
6.15M
1:06:4010:500.81 mi8:39
10:41
-0:33
10.54M
1:57:3311:094.39 mi50:53
11:35
+0:54
11.05M
2:06:0111:240.51 mi8:28
16:36
+5:01
Finish(13.11 mi)
2:31:1211:322.06 mi25:11
12:14
-4:22
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:08 /mi

Average Pace

11:32 /mi

Slowest Pace

16:36 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

18:21

12% of race

Time at Steady Pace

2:04:23

82% of race

Time at Slower Pace

8:28

6% of race

Average Pace: 11:32 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
1.81M1.81 mi4192148123441921481234
5.34M3.53 mi5004-8121900-419296-6253372081318
6.15M0.81 mi4809+1951799+101287+936921241213
10.54M4.39 mi4868-591827-28293-649831923301
11.05M0.51 mi4899-311857-30299-649381919299
Finish(13.11 mi)2.06 mi4909-101879-22302-351802119325

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 59%
~flat
+4ft-3ft

Overall

4192

Females

1481

F20-24

235

1.81M→5.34M

1.8 - 5.3 mi

Top 75%
×4story building
+80ft-74ft

Overall

5337

Females

2081

F20-24

319

5.34M→6.15M

5.3 - 6.2 mi

Top 52%
×10story building
+126ft-4ft

Overall

3692

Females

1241

F20-24

214

6.15M→10.54M

6.2 - 10.5 mi

Top 70%
×21story building
+230ft-361ft

Overall

4983

Females

1923

F20-24

302

10.54M→11.05M

10.5 - 11.1 mi

Top 70%
×14story building
+172ft-0ft

Overall

4938

Females

1919

F20-24

300

11.05M→Finish

11.1 - 13.1 mi

Top 73%
×7story building
+97ft-114ft

Overall

5180

Females

2119

F20-24

325

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#4192
1.81M → 5.34M
88472*-812
#4192 → #5004
5.34M → 6.15M
9204+195
#5004 → #4809
6.15M → 10.54M
214155*-59
#4809 → #4868
10.54M → 11.05M
6837-31
#4868 → #4899
11.05M → Finish
9484*-10
#4899 → #4909
TOTALS
1269552*-717
#4192 → #4909

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

Passing Visualized

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

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