Cathy Tsai

Bib: 2682FAge: 49

Pleasanton, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6545
Top 19%
Gender (Female)
#0 / 1878
Top 8%
Masters (Masters Women)
#0 / 470
Top 6%
Division (F45-49)
#0 / 110
Top 10%
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81 Miles
15:04
Rank: #1283
Start1.81 Miles
15:04 | 8:19/mi
5.55 Miles
46:45
Rank: #1340 (-57)
1.81 Miles5.55 Miles
31:41 | 8:28/mi
6.52 Miles
55:28
Rank: #1356 (-16)
5.55 Miles6.52 Miles
8:43 | 8:59/mi
10.87 Miles
1:32:40
Rank: #1349 (+7)
6.52 Miles10.87 Miles
37:12 | 8:33/mi
Garmin Hill Challenge· 11.38 mi
1:38:08
Rank: #1370 (-21)
10.87 MilesGarmin Hill Challenge
5:28 | 10:44/mi
14.95 Miles
2:05:41
Rank: #1362 (+8)
Garmin Hill Challenge14.95 Miles
27:33 | 7:43/mi
18 Miles
2:35:42
Rank: #1357 (+5)
14.95 Miles18 Miles
30:01 | 9:51/mi
25 Miles
3:37:50
Rank: #1251 (+106)
18 Miles25 Miles
1:02:08 | 8:53/mi
Finish· 26.22 mi
3:49:03
Rank: #1223 (+28)
25 MilesFinish
11:13 | 9:12/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:35:1315:048:1915:04
8:19
-
5.55 Miles
5.55 mi06:06:5446:458:2531:41
8:28
+0:09
6.52 Miles
6.52 mi06:15:3755:288:308:43
8:59
+0:31
10.87 Miles
10.87 mi06:52:491:32:408:3137:12
8:33
-0:26
Garmin Hill Challenge
11.38 mi06:58:171:38:088:375:28
10:44
+2:11
14.95 Miles
14.95 mi07:25:502:05:418:2427:33
7:43
-3:01
18 Miles
18.00 mi07:55:512:35:428:3930:01
9:51
+2:08
25 Miles
25.00 mi08:57:593:37:508:431:02:08
8:53
-0:58
Finish
26.22 mi09:09:123:49:038:4511:13
9:12
+0:19

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

7:43 /mi

Average Pace

8:45 /mi

Slowest Pace

10:44 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:37

19% of race

Time at Steady Pace

2:30:57

66% of race

Time at Slower Pace

35:29

15% of race

Average Pace: 8:44 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
1.81 Miles
1.81 mi05:35:1315:048:1915:04
8:19
#1283
5.55 Miles
5.55 mi06:06:5446:458:2531:41
8:28
#1340
6.52 Miles
6.52 mi06:15:3755:288:308:43
8:59
#1356
10.87 Miles
10.87 mi06:52:491:32:408:3137:12
8:33
#1349
Garmin Hill Challenge
11.38 mi06:58:171:38:088:375:28
10:44
#1370
14.95 Miles
14.95 mi07:25:502:05:418:2427:33
7:43
#1362
18 Miles
18.00 mi07:55:512:35:428:3930:01
9:51
#1357
25 Miles
25.00 mi08:57:593:37:508:431:02:08
8:53
#1251
Finish
26.22 mi09:09:123:49:038:4511:13
9:12
#1223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
1.81 Miles1.81 mi1.81 mi1283141111283(Top 20%)141(Top 8%)11(Top 10%)
5.55 Miles5.55 mi3.74 mi1340-57154-13111374(Top 21%)162(Top 9%)11(Top 10%)
6.52 Miles6.52 mi0.97 mi1356-16158-4111501(Top 23%)180(Top 10%)13(Top 12%)
10.87 Miles10.87 mi4.35 mi1349+7157+110+11431(Top 22%)179(Top 10%)13(Top 12%)
Garmin Hill Challenge11.38 mi0.51 mi1370-21158-1101785(Top 27%)244(Top 13%)12(Top 11%)
14.95 Miles14.95 mi3.57 mi1362+8154+48+21413(Top 22%)168(Top 9%)8(Top 7%)
18 Miles18.00 mi3.05 mi1357+5163-99-11556(Top 24%)206(Top 11%)15(Top 14%)
25 Miles25.00 mi7.00 mi1251+106155+812-31163(Top 18%)171(Top 9%)15(Top 14%)
Finish26.22 mi1.22 mi1223+28153+211+11496(Top 23%)262(Top 14%)14(Top 13%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 20%
×1human
+6ft-10ft

Overall

1283

Females

141

F45-49

11

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 21%
×6stories
+97ft-86ft

Overall

1374

Females

162

F45-49

11

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 23%
×15stories
+178ft-5ft

Overall

1501

Females

180

F45-49

13

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 22%
×20stories
+201ft-318ft

Overall

1431

Females

179

F45-49

13

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 27%
×11stories
+134ft-79ft

Overall

1785

Females

244

F45-49

12

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 22%
×17stories
+251ft-225ft

Overall

1413

Females

168

F45-49

8

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 24%
×12stories
+165ft-60ft

Overall

1556

Females

206

F45-49

15

18 Miles→25 Miles

18.0 - 25.0 mi

Top 18%
×22stories
+142ft-378ft

Overall

1163

Females

171

F45-49

15

25 Miles→Finish

25.0 - 26.2 mi

Top 23%
~flat
+2ft-0ft

Overall

1496

Females

262

F45-49

14

Passing Analysis

Category:
Athletes Passed
456*
Passed By
396
Net Change
+60
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#1283
1.81 Miles5.55 Miles62119-57#1283#1340
5.55 Miles6.52 Miles2238-16#1340#1356
6.52 Miles10.87 Miles55*48+7#1356#1349
10.87 MilesGarmin Hill Challenge1031-21#1349#1370
Garmin Hill Challenge14.95 Miles3729+8#1370#1362
14.95 Miles18 Miles70*65+5#1362#1357
18 Miles25 Miles165*59+106#1357#1251
25 MilesFinish35*7+28#1251#1223
TOTALS456*396+60

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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