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SF MARATHON 1ST HALF 2023

Gongjing Cao

Bib: 12585•F•Age: 45

Santa Clara, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6072
Gender (Female)
#0 / 2732
Masters (Masters Women)
#0 / 746
Division (F45-49)
#0 / 175
Race Day Weather
60°/50°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.40M
15:37/mi
21:52
→ flat
2.13M
24:00/mi
39:23
→ flat
6.43M
14:32/mi
1:41:54
↑ 274↓ 780.9%
6.62M
-53:-51/mi
1:31:51
↑ 161.6%
10.65M
13:28/mi
2:26:09
↑ 153↓ 3611.0%
Finish· 13.11 mi
11:42/mi
2:54:55
↑ 244↓ 1141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:31:51
Pace13:52 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:23:04
Pace12:48 /mi
📊Negative Split: 9.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.40M
1.40 mi07:07:4921:5215:3721:52
15:37
-
2.13M
2.13 mi07:25:2039:2318:2917:31
24:00
+8:23
6.43M
6.43 mi08:27:511:41:5415:511:02:31
14:32
-9:28
6.62M
6.62 mi08:17:481:31:5113:52
-53:-51
-68:23
10.65M
10.65 mi09:12:062:26:0913:4354:18
13:28
+67:19
Finish
13.11 mi09:40:522:54:5513:2128:46
11:42
-1:46

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

-54:-51 /mi

Average Pace

13:21 /mi

Slowest Pace

24:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:55

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:21 /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
1.40M
1.40 mi07:07:4921:5215:3721:52
15:37
#5958
2.13M
2.13 mi07:25:2039:2318:2917:31
24:00
#5943
6.43M
6.43 mi08:27:511:41:5415:511:02:31
14:32
#5631
6.62M
6.62 mi08:17:481:31:5113:52
-53:-51
#5560
10.65M
10.65 mi09:12:062:26:0913:4354:18
13:28
#5618
Finish
13.11 mi09:40:522:54:5513:2128:46
11:42
#5506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
1.40M1.40 mi1.40 mi595826511705958(Top 98%)2651(Top 97%)170(Top 97%)
2.13M2.13 mi0.73 mi5943+152636+15167+35597(Top 92%)2423(Top 89%)146(Top 83%)
6.43M6.43 mi4.30 mi5631+3122450+186147+205206(Top 86%)2201(Top 81%)122(Top 70%)
6.62M6.62 mi0.19 mi5560+712413+37144+3---
10.65M10.65 mi4.03 mi5618-582449-36146-25635(Top 93%)2480(Top 91%)150(Top 86%)
Finish13.11 mi2.46 mi5506+1122390+59140+64736(Top 78%)1987(Top 73%)101(Top 58%)

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 98%
~flat
+3ft-2ft

Overall

5958

Females

2651

F45-49

170

1.40M→2.13M

1.4 - 2.1 mi

Top 92%
~flat
+3ft-1ft

Overall

5597

Females

2423

F45-49

146

2.13M→6.43M

2.1 - 6.4 mi

Top 86%
×17story building
+274ft-78ft

Overall

5206

Females

2201

F45-49

122

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Females

-

F45-49

-

6.62M→10.65M

6.6 - 10.7 mi

Top 93%
×21story building
+153ft-361ft

Overall

5635

Females

2480

F45-49

150

10.65M→Finish

10.7 - 13.1 mi

Top 78%
×17story building
+244ft-114ft

Overall

4736

Females

1987

F45-49

101

Passing Analysis

Category:
Athletes Passed
673*
Passed By
221
Net Change
+452
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.40M----#5958
1.40M → 2.13M58*43+15#5958#5943
2.13M → 6.43M365*53+312#5943#5631
6.43M → 6.62M754+71#5631#5560
6.62M → 10.65M57*115-58#5560#5618
10.65M → Finish118*6+112#5618#5506
TOTALS673*221+452

* 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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The San Francisco Marathon

The San Francisco Marathon

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