Cynthia Cheng

Bib: 23861FAge: 25

San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 33%
Gender (Female)
#0 / 1760
Top 22%
Division (F25-29)
#0 / 495
Top 21%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:16/mi
18:32
138680.7%
4M
8:37/mi
35:45
1631.4%
6M
11:24/mi
58:34
55830.3%
8M
7:02/mi
1:12:38
651510.8%
10M
9:36/mi
1:31:49
611741.1%
12M
9:35/mi
1:51:00
41530.1%
Finish· 13.11 mi
9:02/mi
2:01:01
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time58:34
Pace9:46 /mi
2nd Half
Distance7.11 mi
Time1:02:27
Pace8:47 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:56:3418:329:1618:32
9:16
-
4M
4.00 mi09:13:4735:458:5617:13
8:37
-0:39
6M
6.00 mi09:36:3658:349:4622:49
11:24
+2:47
8M
8.00 mi09:50:401:12:389:0514:04
7:02
-4:22
10M
10.00 mi10:09:511:31:499:1119:11
9:36
+2:34
12M
12.00 mi10:29:021:51:009:1519:11
9:35
-0:01
Finish
13.11 mi10:39:032:01:019:1410:01
9:02
-0:33

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:02 /mi

Average Pace

9:14 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:17

26% of race

Time at Steady Pace

1:06:55

55% of race

Time at Slower Pace

22:49

19% of race

Average Pace: 9:14 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi08:56:3418:329:1618:32
9:16
#1435
4M
4.00 mi09:13:4735:458:5617:13
8:37
#1365
6M
6.00 mi09:36:3658:349:4622:49
11:24
#1390
8M
8.00 mi09:50:401:12:389:0514:04
7:02
#1372
10M
10.00 mi10:09:511:31:499:1119:11
9:36
#1351
12M
12.00 mi10:29:021:51:009:1519:11
9:35
#1299
Finish
13.11 mi10:39:032:01:019:1410:01
9:02
#1264
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi14354321201103(Top 29%)332(Top 19%)89(Top 18%)
4M4.00 mi2.00 mi1365+70408+24117+31316(Top 34%)397(Top 23%)110(Top 22%)
6M6.00 mi2.00 mi1390-25414-61171477(Top 38%)455(Top 26%)123(Top 25%)
8M8.00 mi2.00 mi1372+18415-11171361(Top 35%)418(Top 24%)114(Top 23%)
10M10.00 mi2.00 mi1351+21414+1115+21347(Top 35%)418(Top 24%)118(Top 24%)
12M12.00 mi2.00 mi1299+52401+13110+51103(Top 29%)332(Top 19%)89(Top 18%)
Finish13.11 mi1.11 mi1264+35387+14105+5984(Top 26%)288(Top 16%)82(Top 17%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 29%
×9story building
+138ft-68ft

Overall

1103

Females

332

F25-29

90

2M→4M

2.0 - 4.0 mi

Top 34%
×13story building
+163ft-19ft

Overall

1316

Females

397

F25-29

110

4M→6M

4.0 - 6.0 mi

Top 38%
×4story building
+55ft-83ft

Overall

1477

Females

455

F25-29

124

6M→8M

6.0 - 8.0 mi

Top 35%
×10story building
+65ft-151ft

Overall

1361

Females

418

F25-29

114

8M→10M

8.0 - 10.0 mi

Top 35%
×10story building
+61ft-174ft

Overall

1347

Females

418

F25-29

119

10M→12M

10.0 - 12.0 mi

Top 29%
×3story building
+41ft-53ft

Overall

1103

Females

332

F25-29

90

12M→Finish

12.0 - 13.1 mi

Top 26%
×1human
+6ft-6ft

Overall

984

Females

288

F25-29

82

Passing Analysis

Category:
Athletes Passed
348*
Passed By
177
Net Change
+171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1435
2M4M12454+70#1435#1365
4M6M3358-25#1365#1390
6M8M3416+18#1390#1372
8M10M48*27+21#1372#1351
10M12M7220+52#1351#1299
12MFinish372+35#1299#1264
TOTALS348*177+171

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

📊

Passing Visuals

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