San Francisco Marathon logo
SF MARATHON 2023

Cathy Tsai

Bib: 1642•F•Age: 47

Pleasanton, CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 4888
Top 19%
Gender (Female)
#0 / 1310
Top 8%
Masters (Masters Women)
#0 / 356
Top 6%
Division (F45-49)
#0 / 104
Top 10%
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2.2 Miles
15:58
Rank: #957
Start → 2.2 Miles
15:58 | 7:15/mi
5.7 Miles
46:59
Rank: #955 (+2)
2.2 Miles → 5.7 Miles
31:01 | 8:52/mi
6.43 Miles
55:42
Rank: #986 (-31)
5.7 Miles → 6.43 Miles
8:43 | 11:56/mi
10.92 Miles
1:31:35
Rank: #972 (+14)
6.43 Miles → 10.92 Miles
35:53 | 8:00/mi
Garmin Hill Challenge· 11.42 mi
1:37:08
Rank: #985 (-13)
10.92 Miles → Garmin Hill Challenge
5:33 | 11:06/mi
14.95 Miles
2:04:31
Rank: #981 (+4)
Garmin Hill Challenge → 14.95 Miles
27:23 | 7:45/mi
18 Miles
2:34:12
Rank: #997 (-16)
14.95 Miles → 18 Miles
29:41 | 9:44/mi
24 Miles
3:26:43
Rank: #921 (+76)
18 Miles → 24 Miles
52:31 | 8:45/mi
Finish· 26.22 mi
3:46:44
Rank: #919 (+2)
24 Miles → Finish
20:01 | 9:01/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:33:0015:587:1515:58
7:15
-
5.7 Miles
5.70 mi06:04:0146:598:1531:01
8:52
+1:37
6.43 Miles
6.43 mi06:12:4455:428:408:43
11:56
+3:04
10.92 Miles
10.92 mi06:48:371:31:358:2335:53
8:00
-3:56
Garmin Hill Challenge
11.42 mi06:54:101:37:088:305:33
11:06
+3:06
14.95 Miles
14.95 mi07:21:332:04:318:2027:23
7:45
-3:21
18 Miles
18.00 mi07:51:142:34:128:3429:41
9:44
+1:59
24 Miles
24.00 mi08:43:453:26:438:3752:31
8:45
-0:59
Finish
26.22 mi09:03:463:46:448:3920:01
9:01
+0:16

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

7:15 /mi

Average Pace

8:39 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:14

35% of race

Time at Steady Pace

1:43:33

46% of race

Time at Slower Pace

43:57

19% of race

Average Pace: 8:39 /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...
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
2.2 Miles
2.20 mi05:33:0015:587:1515:58
7:15
#957
5.7 Miles
5.70 mi06:04:0146:598:1531:01
8:52
#955
6.43 Miles
6.43 mi06:12:4455:428:408:43
11:56
#986
10.92 Miles
10.92 mi06:48:371:31:358:2335:53
8:00
#972
Garmin Hill Challenge
11.42 mi06:54:101:37:088:305:33
11:06
#985
14.95 Miles
14.95 mi07:21:332:04:318:2027:23
7:45
#981
18 Miles
18.00 mi07:51:142:34:128:3429:41
9:44
#997
24 Miles
24.00 mi08:43:453:26:438:3752:31
8:45
#921
Finish
26.22 mi09:03:463:46:448:3920:01
9:01
#919
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
2.2 Miles2.20 mi2.20 mi95710311957(Top 20%)103(Top 8%)11(Top 11%)
5.7 Miles5.70 mi3.50 mi955+293+109+2983(Top 20%)97(Top 7%)12(Top 12%)
6.43 Miles6.43 mi0.73 mi986-3198-510-11218(Top 25%)140(Top 11%)11(Top 11%)
10.92 Miles10.92 mi4.49 mi972+1495+311-1941(Top 19%)93(Top 7%)12(Top 12%)
Garmin Hill Challenge11.42 mi0.50 mi985-1396-110+11605(Top 33%)199(Top 15%)11(Top 11%)
14.95 Miles14.95 mi3.53 mi981+497-112-21074(Top 22%)115(Top 9%)12(Top 12%)
18 Miles18.00 mi3.05 mi997-16102-5121141(Top 23%)134(Top 10%)13(Top 13%)
24 Miles24.00 mi6.00 mi921+7610210+2905(Top 19%)114(Top 9%)11(Top 11%)
Finish26.22 mi2.22 mi919+2103-1101163(Top 24%)188(Top 14%)16(Top 15%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 20%
×1human
+8ft-12ft

Overall

957

Females

103

F45-49

11

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 20%
×6stories
+92ft-87ft

Overall

983

Females

97

F45-49

12

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 25%
×11stories
+137ft-3ft

Overall

1218

Females

140

F45-49

11

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 19%
×21stories
+225ft-318ft

Overall

941

Females

93

F45-49

12

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 33%
×11stories
+134ft-123ft

Overall

1605

Females

199

F45-49

11

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 22%
×16stories
+234ft-225ft

Overall

1074

Females

115

F45-49

12

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 23%
×12stories
+165ft-60ft

Overall

1141

Females

134

F45-49

13

18 Miles→24 Miles

18.0 - 24.0 mi

Top 19%
×21stories
+142ft-377ft

Overall

905

Females

114

F45-49

11

24 Miles→Finish

24.0 - 26.2 mi

Top 24%
~flat
+2ft-2ft

Overall

1163

Females

188

F45-49

16

Passing Analysis

Category:
Athletes Passed
356*
Passed By
318
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#957
2.2 Miles → 5.7 Miles7977+2#957#955
5.7 Miles → 6.43 Miles1445-31#955#986
6.43 Miles → 10.92 Miles52*38+14#986#972
10.92 Miles → Garmin Hill Challenge1023-13#972#985
Garmin Hill Challenge → 14.95 Miles2824+4#985#981
14.95 Miles → 18 Miles31*47-16#981#997
18 Miles → 24 Miles112*36+76#997#921
24 Miles → Finish3028+2#921#919
TOTALS356*318+38

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

📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

The San Francisco Marathon

The San Francisco Marathon

Race Place Events

Race Place Events