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SF MARATHON 1ST HALF 2023

Cindy Thong

San Francisco, CA

Bib: 14139 F 25

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Top 46%
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
9:13/mi
12:54
→ flat
2.13M
20:33/mi
27:54
→ flat
6.43M
12:20/mi
1:20:57
↑ 274↓ 78
6.62M
-41:-19/mi
1:13:17
↑ 16
10.65M
10:31/mi
1:55:42
↑ 153↓ 361
Finish· 13.11 mi
10:04/mi
2:20:27
↑ 244↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:13:1711:04 /mi+8.3%
2nd Half
1:07:1010:21 /mi✓ faster
Negative split — 8.3% 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
12:549:131.40 mi12:54
9:13
-
2.13M
27:5413:060.73 mi15:00
20:33
+11:20
6.43M
1:20:5712:354.30 mi53:03
12:20
-8:13
6.62M
1:13:1711:040.19 mi
-41:-19
-53:39
10.65M
1:55:4210:524.03 mi42:25
10:31
+51:50
Finish(13.11 mi)
2:20:2710:432.46 mi24:45
10:04
-0:27
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-42:-19 /mi

Average Pace

10:43 /mi

Slowest Pace

20:33 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:20:27

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:43 /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 mi27529442602752944260
2.13M0.73 mi3444-6921269-325343-8341721644426
6.43M4.30 mi3420+241261+8347-434811296345
6.62M0.19 mi3303+1171221+40335+12---
10.65M4.03 mi3407-1041249-28343-836401392360
Finish(13.11 mi)2.46 mi3380+271246+3333+1034141302341

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 45%
~flat
+3ft-2ft

Overall

2752

Females

944

F25-29

261

1.40M→2.13M

1.4 - 2.1 mi

Top 69%
~flat
+3ft-1ft

Overall

4172

Females

1644

F25-29

431

2.13M→6.43M

2.1 - 6.4 mi

Top 57%
×17story building
+274ft-78ft

Overall

3481

Females

1296

F25-29

345

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 60%
×21story building
+153ft-361ft

Overall

3640

Females

1392

F25-29

360

10.65M→Finish

10.7 - 13.1 mi

Top 56%
×17story building
+244ft-114ft

Overall

3414

Females

1302

F25-29

341

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#2752
1.40M → 2.13M
73038-692
#2752 → #3444
2.13M → 6.43M
257281*+24
#3444 → #3420
6.43M → 6.62M
20137+117
#3420 → #3303
6.62M → 10.65M
19187*-104
#3303 → #3407
10.65M → Finish
75102*+27
#3407 → #3380
TOTALS
1273645*-628
#2752 → #3380

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon

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