Karen Tu

Bib: 11383FAge: 26

Cupertino, CA

0:00
0:00
/ mi
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Overall
#0 / 5177
Gender (Female)
#0 / 2293
Top 39%
Division (F25-29)
#0 / 585
Top 42%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Course Elevation
10277 ft
×22story building
774 ft climb · 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2.13M
13:36/mi
28:58
→ flat
6.62M
9:38/mi
1:12:11
299780.9%
7.12M
12:24/mi
1:18:23
271.0%
10.65M
9:48/mi
1:52:59
1273601.3%
Finish· 13.11 mi
9:11/mi
2:15:33
2441141.0%

The Course

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Half Splits

1st Half· via 6.62M
Distance6.62 mi
Time1:12:11
Pace10:54 /mi
2nd Half✓ Faster
Distance6.49 mi
Time1:03:22
Pace9:46 /mi
📊Negative Split: 12.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.13M
2.13 mi07:35:5828:5813:3628:58
13:36
-
6.62M
6.62 mi08:19:111:12:1110:5443:13
9:38
-3:58
7.12M
7.12 mi08:25:231:18:2311:016:12
12:24
+2:46
10.65M
10.65 mi08:59:591:52:5910:3734:36
9:48
-2:36
Finish
13.11 mi09:22:332:15:3310:2022:34
9:11
-0:37

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

9:11 /mi

Average Pace

10:20 /mi

Slowest Pace

13:36 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:40:23

74% of race

Time at Slower Pace

35:10

26% of race

Average Pace: 10:20 /mi

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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.

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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
2.13M
2.13 mi07:35:5828:5813:3628:58
13:36
#3796
6.62M
6.62 mi08:19:111:12:1110:5443:13
9:38
#2832
7.12M
7.12 mi08:25:231:18:2311:016:12
12:24
#2690
10.65M
10.65 mi08:59:591:52:5910:3734:36
9:48
#2705
Finish
13.11 mi09:22:332:15:3310:2022:34
9:11
#2594
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2.13M2.13 mi2.13 mi379614764103796(Top 73%)1476(Top 64%)410(Top 70%)
6.62M6.62 mi4.49 mi2832+964995+481278+1322349(Top 45%)768(Top 33%)209(Top 36%)
7.12M7.12 mi0.50 mi2690+142911+84257+211761(Top 34%)488(Top 21%)147(Top 25%)
10.65M10.65 mi3.53 mi2705-15936-25263-62848(Top 55%)1017(Top 44%)286(Top 49%)
Finish13.11 mi2.46 mi2594+111888+48244+192144(Top 41%)718(Top 31%)205(Top 35%)

Segment Performance Analysis

Start → 2.13M

0.0 - 2.1 mi

Top 73%
~flat
+6ft-3ft

Overall

3796

Females

1476

F25-29

412

2.13M→6.62M

2.1 - 6.6 mi

Top 45%
×19story building
+299ft-78ft

Overall

2349

Females

768

F25-29

211

6.62M→7.12M

6.6 - 7.1 mi

Top 34%
×2story building
+27ft-0ft

Overall

1761

Females

488

F25-29

147

7.12M→10.65M

7.1 - 10.7 mi

Top 55%
×21story building
+127ft-360ft

Overall

2848

Females

1017

F25-29

287

10.65M→Finish

10.7 - 13.1 mi

Top 41%
×17story building
+244ft-114ft

Overall

2144

Females

718

F25-29

205

Passing Analysis

Category:
Athletes Passed
1338*
Passed By
136
Net Change
+1202
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.13M----#3796
2.13M6.62M967*3+964#3796#2832
6.62M7.12M15513+142#2832#2690
7.12M10.65M83*98-15#2690#2705
10.65MFinish133*22+111#2705#2594
TOTALS1338*136+1202

* 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

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