Si Liang Lei

Flushing, NY

Bib: 13748 M 22

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 41%
Gender (Male)
#0 / 3977
Top 50%
M20-29
#0 / 437
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
9:45/mi
17:39
→ flat
5.34M
8:54/mi
49:03
8074
6.15M
9:24/mi
56:40
126
10.54M
10:24/mi
1:42:19
230361
11.05M
14:36/mi
1:49:46
172
Finish· 13.11 mi
10:51/mi
2:12:06
97114
Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
56:409:13 /mi⚡ faster
2nd Half
1:15:2610:50 /mi+33.1%
Positive split — 33.1% 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
17:399:451.81 mi17:39
9:45
-
5.34M
49:039:113.53 mi31:24
8:54
-0:51
6.15M
56:409:130.81 mi7:37
9:24
+0:30
10.54M
1:42:199:424.39 mi45:39
10:24
+1:00
11.05M
1:49:469:560.51 mi7:27
14:36
+4:12
Finish(13.11 mi)
2:12:0610:052.06 mi22:20
10:51
-3:45
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:54 /mi

Average Pace

10:05 /mi

Slowest Pace

14:36 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

39:01

30% of race

Time at Steady Pace

1:25:38

65% of race

Time at Slower Pace

7:27

6% of race

Average Pace: 10:05 /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. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.81M1.81 mi3410230730634102307306
5.34M3.53 mi2139+12711581+726231+7516551277187
6.15M0.81 mi2077+621549+32229+218161384212
10.54M4.39 mi2701-6241895-346268-3934452302315
11.05M0.51 mi2768-671932-37271-336392371310
Finish(13.11 mi)2.06 mi2881-1131983-51283-1236352315312

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 48%
~flat
+4ft-3ft

Overall

3410

Males

2307

M20-24

306

1.81M→5.34M

1.8 - 5.3 mi

Top 23%
×4story building
+80ft-74ft

Overall

1655

Males

1277

M20-24

187

5.34M→6.15M

5.3 - 6.2 mi

Top 26%
×10story building
+126ft-4ft

Overall

1816

Males

1384

M20-24

212

6.15M→10.54M

6.2 - 10.5 mi

Top 49%
×21story building
+230ft-361ft

Overall

3445

Males

2302

M20-24

315

10.54M→11.05M

10.5 - 11.1 mi

Top 51%
×14story building
+172ft-0ft

Overall

3639

Males

2371

M20-24

310

11.05M→Finish

11.1 - 13.1 mi

Top 51%
×7story building
+97ft-114ft

Overall

3635

Males

2315

M20-24

312

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#3410
1.81M5.34M
51276*+1271
#3410 #2139
5.34M6.15M
1779+62
#2139 #2077
6.15M10.54M
64319*-624
#2077 #2701
10.54M11.05M
8518-67
#2701 #2768
11.05MFinish
15744*-113
#2768 #2881
TOTALS
9071436*+529
#3410 #2881

* 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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