Juichu Tsai

Bib: 14352FAge: 28

Santa Clara, CA

0:00
0:00
/ mi
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Overall
#0 / 4103
Gender (Female)
#0 / 1940
Division (F25-29)
#0 / 448
Race Day Weather
54°/44°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
2.2M
9:00/mi
19:47
→ flat
5.7M
11:53/mi
1:01:23
100780.1%
6.43M
16:37/mi
1:13:31
1473.8%
8.3M
9:59/mi
1:32:11
88530.3%
11.45M
12:28/mi
2:11:27
2933310.2%
FINISH· 13.11 mi
14:59/mi
2:36:19
61910.3%

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2M
2.20 mi06:57:1019:479:0019:47
9:00
-
5.7M
5.70 mi07:38:461:01:2310:4641:36
11:53
+2:53
6.43M
6.43 mi07:50:541:13:3111:2612:08
16:37
+4:44
8.3M
8.30 mi08:09:341:32:1111:0618:40
9:59
-6:38
11.45M
11.45 mi08:48:502:11:2711:2939:16
12:28
+2:29
FINISH
13.11 mi09:13:422:36:1911:5524:52
14:59
+2:31

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

9:00 /mi

Average Pace

11:55 /mi

Slowest Pace

16:37 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:27

25% of race

Time at Steady Pace

1:20:52

52% of race

Time at Slower Pace

37:00

24% of race

Average Pace: 11:55 /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.

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
2.2M
2.20 mi06:57:1019:479:0019:47
9:00
#2581
5.7M
5.70 mi07:38:461:01:2310:4641:36
11:53
#2865
6.43M
6.43 mi07:50:541:13:3111:2612:08
16:37
#2888
8.3M
8.30 mi08:09:341:32:1111:0618:40
9:59
#2971
11.45M
11.45 mi08:48:502:11:2711:2939:16
12:28
#2941
FINISH
13.11 mi09:13:422:36:1911:5524:52
14:59
#3078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2.2M2.20 mi2.20 mi258110402712581(Top 63%)1040(Top 54%)271(Top 61%)
5.7M5.70 mi3.50 mi2865-2841178-138304-332929(Top 71%)1216(Top 63%)315(Top 70%)
6.43M6.43 mi0.73 mi2888-231186-8307-33115(Top 76%)1321(Top 68%)339(Top 76%)
8.3M8.30 mi1.87 mi2971-831229-43321-143268(Top 80%)1420(Top 73%)363(Top 81%)
11.45M11.45 mi3.15 mi2941+301229324-32974(Top 72%)1272(Top 66%)330(Top 74%)
FINISH13.11 mi1.66 mi3078-1371326-97342-183457(Top 84%)1564(Top 81%)388(Top 87%)

Segment Performance Analysis

Start → 2.2M

0.0 - 2.2 mi

Top 63%
~flat
+6ft-3ft

Overall

2581

Females

1040

F25-29

271

2.2M→5.7M

2.2 - 5.7 mi

Top 71%
×5story building
+100ft-78ft

Overall

2929

Females

1216

F25-29

316

5.7M→6.43M

5.7 - 6.4 mi

Top 76%
×12story building
+147ft-0ft

Overall

3115

Females

1321

F25-29

340

6.43M→8.3M

6.4 - 8.3 mi

Top 80%
×4story building
+88ft-53ft

Overall

3268

Females

1420

F25-29

364

8.3M→11.45M

8.3 - 11.4 mi

Top 72%
×20story building
+293ft-331ft

Overall

2974

Females

1272

F25-29

330

11.45M→FINISH

11.4 - 13.1 mi

Top 84%
×7story building
+61ft-91ft

Overall

3457

Females

1564

F25-29

388

Passing Analysis

Category:
Athletes Passed
216*
Passed By
713
Net Change
-497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2M----#2581
2.2M5.7M72*356-284#2581#2865
5.7M6.43M2952-23#2865#2888
6.43M8.3M1699-83#2888#2971
8.3M11.45M82*52+30#2971#2941
11.45MFINISH17*154-137#2941#3078
TOTALS216*713-497

* 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