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SF MARATHON 1ST HALF 2025

Sichen Luo

Sunnyvale, CA

Bib: 12163 M 30

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 5%
Gender (Male)
#0 / 3977
Top 7%
Division (M30-34)
#0 / 872
Top 6%
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
8:23/mi
15:11
→ flat
5.34M
8:02/mi
43:32
↑ 80↓ 74
6.15M
7:44/mi
49:48
↑ 126
10.54M
7:36/mi
1:23:12
↑ 230↓ 361
11.05M
8:47/mi
1:27:41
↑ 172
Finish· 13.11 mi
7:45/mi
1:43:39
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
49:488:06 /mi⚡ faster
2nd Half
53:517:44 /mi+8.1%
Positive split — 8.1% 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
15:118:231.81 mi15:11
8:23
-
5.34M
43:328:093.53 mi28:21
8:02
-0:21
6.15M
49:488:060.81 mi6:16
7:44
-0:18
10.54M
1:23:127:544.39 mi33:24
7:36
-0:08
11.05M
1:27:417:560.51 mi4:29
8:47
+1:11
Finish(13.11 mi)
1:43:397:542.06 mi15:58
7:45
-1:02
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:36 /mi

Average Pace

7:54 /mi

Slowest Pace

8:47 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:23:59

81% of race

Time at Steady Pace

19:40

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi10408491761040849176
5.34M3.53 mi748+292618+231134+42634536107
6.15M0.81 mi653+95551+67116+1823921643
10.54M4.39 mi400+253345+20669+4725722743
11.05M0.51 mi357+43312+3360+9646313
Finish(13.11 mi)2.06 mi324+33285+2754+618616924

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 15%
~flat
+4ft-3ft

Overall

1040

Males

849

M30-34

176

1.81M→5.34M

1.8 - 5.3 mi

Top 9%
×4story building
+80ft-74ft

Overall

634

Males

536

M30-34

107

5.34M→6.15M

5.3 - 6.2 mi

Top 3%
×10story building
+126ft-4ft

Overall

239

Males

216

M30-34

43

6.15M→10.54M

6.2 - 10.5 mi

Top 4%
×21story building
+230ft-361ft

Overall

257

Males

227

M30-34

43

10.54M→11.05M

10.5 - 11.1 mi

Top 0.9%
×14story building
+172ft-0ft

Overall

64

Males

63

M30-34

13

11.05M→Finish

11.1 - 13.1 mi

Top 3%
×7story building
+97ft-114ft

Overall

186

Males

169

M30-34

24

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#1040
1.81M → 5.34M
6298+292
#1040 → #748
5.34M → 6.15M
095+95
#748 → #653
6.15M → 10.54M
1254+253
#653 → #400
10.54M → 11.05M
144+43
#400 → #357
11.05M → Finish
134*+33
#357 → #324
TOTALS
9725*+716
#1040 → #324

* 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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