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SF MARATHON 1ST HALF 2023

Jingrui Li

San Mateo, CA

Bib: 13781 F 29

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Division (F25-29)
#0 / 629
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
10:11/mi
14:15
→ flat
2.13M
21:51/mi
30:12
→ flat
6.43M
14:44/mi
1:33:34
↑ 274↓ 78
6.62M
-48:-4/mi
1:24:37
↑ 16
10.65M
12:32/mi
2:15:08
↑ 153↓ 361
Finish· 13.11 mi
12:44/mi
2:46:27
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:24:3712:47 /mi+3.3%
2nd Half
1:21:5012:37 /mi✓ faster
Negative split — 3.3% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
14:1510:111.40 mi14:15
10:11
-
2.13M
30:1214:110.73 mi15:57
21:51
+11:40
6.43M
1:33:3414:334.30 mi1:03:22
14:44
-7:07
6.62M
1:24:3712:470.19 mi
-48:-4
-62:48
10.65M
2:15:0812:414.03 mi50:31
12:32
+60:36
Finish(13.11 mi)
2:46:2712:422.46 mi31:19
12:44
+0:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-49:-4 /mi

Average Pace

12:42 /mi

Slowest Pace

21:51 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:46:27

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 12:42 /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. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
1.40M1.40 mi4275168844642751688446
2.13M0.73 mi4566-2911833-145477-3149442058521
6.43M4.30 mi5108-5422125-292540-6352762239555
6.62M0.19 mi5031+772086+39535+5---
10.65M4.03 mi5128-972159-73544-952742276561
Finish(13.11 mi)2.46 mi5177-492202-43550-653072299557

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 70%
~flat
+3ft-2ft

Overall

4275

Females

1688

F25-29

448

1.40M→2.13M

1.4 - 2.1 mi

Top 81%
~flat
+3ft-1ft

Overall

4944

Females

2058

F25-29

526

2.13M→6.43M

2.1 - 6.4 mi

Top 87%
×17story building
+274ft-78ft

Overall

5276

Females

2239

F25-29

557

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F25-29

-

6.62M→10.65M

6.6 - 10.7 mi

Top 87%
×21story building
+153ft-361ft

Overall

5274

Females

2276

F25-29

561

10.65M→Finish

10.7 - 13.1 mi

Top 87%
×17story building
+244ft-114ft

Overall

5307

Females

2299

F25-29

557

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4275
1.40M → 2.13M
37281-291
#4275 → #4566
2.13M → 6.43M
62482*-542
#4566 → #5108
6.43M → 6.62M
1895+77
#5108 → #5031
6.62M → 10.65M
16669*-97
#5031 → #5128
10.65M → Finish
9243*-49
#5128 → #5177
TOTALS
1272370*-902
#4275 → #5177

* 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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The San Francisco Marathon

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