San Francisco Marathon logo
SF MARATHON 2023

John Tsou

Bib: 3652•M•Age: 43

San Francisco, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 4888
Top 40%
Gender (Male)
#0 / 3570
Top 45%
Masters (Masters Men)
#0 / 1128
Top 38%
Division (M40-44)
#0 / 341
Top 46%
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2.2 Miles
18:13
Rank: #2402
Start → 2.2 Miles
18:13 | 8:17/mi
5.7 Miles
53:11
Rank: #2315 (+87)
2.2 Miles → 5.7 Miles
34:58 | 10:00/mi
6.43 Miles
1:02:51
Rank: #2304 (+11)
5.7 Miles → 6.43 Miles
9:40 | 13:14/mi
10.92 Miles
1:42:45
Rank: #2181 (+123)
6.43 Miles → 10.92 Miles
39:54 | 8:53/mi
Garmin Hill Challenge· 11.42 mi
1:48:30
Rank: #2153 (+28)
10.92 Miles → Garmin Hill Challenge
5:45 | 11:30/mi
14.95 Miles
2:18:23
Rank: #2085 (+68)
Garmin Hill Challenge → 14.95 Miles
29:53 | 8:28/mi
18 Miles
2:51:38
Rank: #2051 (+34)
14.95 Miles → 18 Miles
33:15 | 10:54/mi
24 Miles
3:53:00
Rank: #1978 (+73)
18 Miles → 24 Miles
1:01:22 | 10:14/mi
Finish· 26.22 mi
4:15:16
Rank: #1954 (+24)
24 Miles → Finish
22:16 | 10:02/mi

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:42:0418:138:1718:13
8:17
-
5.7 Miles
5.70 mi06:17:0253:119:2034:58
10:00
+1:43
6.43 Miles
6.43 mi06:26:421:02:519:469:40
13:14
+3:14
10.92 Miles
10.92 mi07:06:361:42:459:2539:54
8:53
-4:21
Garmin Hill Challenge
11.42 mi07:12:211:48:309:305:45
11:30
+2:37
14.95 Miles
14.95 mi07:42:142:18:239:1529:53
8:28
-3:02
18 Miles
18.00 mi08:15:292:51:389:3233:15
10:54
+2:26
24 Miles
24.00 mi09:16:513:53:009:431:01:22
10:14
-0:40
Finish
26.22 mi09:39:074:15:169:4522:16
10:02
-0:12

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

8:17 /mi

Average Pace

9:45 /mi

Slowest Pace

13:14 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:00

34% of race

Time at Steady Pace

1:58:36

46% of race

Time at Slower Pace

48:40

19% of race

Average Pace: 9:44 /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
2.2 Miles
2.20 mi05:42:0418:138:1718:13
8:17
#2402
5.7 Miles
5.70 mi06:17:0253:119:2034:58
10:00
#2315
6.43 Miles
6.43 mi06:26:421:02:519:469:40
13:14
#2304
10.92 Miles
10.92 mi07:06:361:42:459:2539:54
8:53
#2181
Garmin Hill Challenge
11.42 mi07:12:211:48:309:305:45
11:30
#2153
14.95 Miles
14.95 mi07:42:142:18:239:1529:53
8:28
#2085
18 Miles
18.00 mi08:15:292:51:389:3233:15
10:54
#2051
24 Miles
24.00 mi09:16:513:53:009:431:01:22
10:14
#1978
Finish
26.22 mi09:39:074:15:169:4522:16
10:02
#1954
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2.2 Miles2.20 mi2.20 mi240219711862402(Top 49%)1971(Top 55%)186(Top 55%)
5.7 Miles5.70 mi3.50 mi2315+871922+49188-22268(Top 46%)1890(Top 53%)185(Top 54%)
6.43 Miles6.43 mi0.73 mi2304+111915+71882365(Top 48%)1963(Top 55%)183(Top 54%)
10.92 Miles10.92 mi4.49 mi2181+1231836+79178+102042(Top 42%)1728(Top 48%)157(Top 46%)
Garmin Hill Challenge11.42 mi0.50 mi2153+281821+15176+21961(Top 40%)1665(Top 47%)154(Top 45%)
14.95 Miles14.95 mi3.53 mi2085+681763+58170+61944(Top 40%)1640(Top 46%)158(Top 46%)
18 Miles18.00 mi3.05 mi2051+341728+35169+12121(Top 43%)1755(Top 49%)169(Top 50%)
24 Miles24.00 mi6.00 mi1978+731642+86161+82035(Top 42%)1613(Top 45%)154(Top 45%)
Finish26.22 mi2.22 mi1954+241611+31157+41986(Top 41%)1568(Top 44%)143(Top 42%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 49%
×1human
+8ft-12ft

Overall

2402

Males

1971

M40-44

187

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 46%
×6stories
+92ft-87ft

Overall

2268

Males

1890

M40-44

186

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 48%
×11stories
+137ft-3ft

Overall

2365

Males

1963

M40-44

184

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 42%
×21stories
+225ft-318ft

Overall

2042

Males

1728

M40-44

157

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 40%
×11stories
+134ft-123ft

Overall

1961

Males

1665

M40-44

154

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 40%
×16stories
+234ft-225ft

Overall

1944

Males

1640

M40-44

158

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 43%
×12stories
+165ft-60ft

Overall

2121

Males

1755

M40-44

169

18 Miles→24 Miles

18.0 - 24.0 mi

Top 42%
×21stories
+142ft-377ft

Overall

2035

Males

1613

M40-44

154

24 Miles→Finish

24.0 - 26.2 mi

Top 41%
~flat
+2ft-2ft

Overall

1986

Males

1568

M40-44

143

Passing Analysis

Category:
Athletes Passed
779*
Passed By
331
Net Change
+448
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#2402
2.2 Miles → 5.7 Miles186*99+87#2402#2315
5.7 Miles → 6.43 Miles3423+11#2315#2304
6.43 Miles → 10.92 Miles147*24+123#2304#2181
10.92 Miles → Garmin Hill Challenge379+28#2181#2153
Garmin Hill Challenge → 14.95 Miles8921+68#2153#2085
14.95 Miles → 18 Miles84*50+34#2085#2051
18 Miles → 24 Miles154*81+73#2051#1978
24 Miles → Finish48*24+24#1978#1954
TOTALS779*331+448

* 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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