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SF MARATHON 2023

Tzu Hao Chow

Bib: 2900•M•Age: 45

San Jose, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 4888
Gender (Male)
#0 / 3570
Masters (Masters Men)
#0 / 1128
Division (M45-49)
#0 / 279
Race Day Weather
69°/59°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
21:03
Rank: #4133
Start → 2.2 Miles
21:03 | 9:34/mi
5.7 Miles
1:06:03
Rank: #4444 (-311)
2.2 Miles → 5.7 Miles
45:00 | 12:52/mi
6.43 Miles
1:16:29
Rank: #4285 (+159)
5.7 Miles → 6.43 Miles
10:26 | 14:17/mi
10.92 Miles
1:59:32
Rank: #3789 (+496)
6.43 Miles → 10.92 Miles
43:03 | 9:35/mi
Garmin Hill Challenge· 11.42 mi
2:05:25
Rank: #3659 (+130)
10.92 Miles → Garmin Hill Challenge
5:53 | 11:46/mi
14.95 Miles
2:38:20
Rank: #3483 (+176)
Garmin Hill Challenge → 14.95 Miles
32:55 | 9:19/mi
18 Miles
3:13:24
Rank: #3278 (+205)
14.95 Miles → 18 Miles
35:04 | 11:30/mi
24 Miles
4:19:21
Rank: #3055 (+223)
18 Miles → 24 Miles
1:05:57 | 11:00/mi
Finish· 26.22 mi
4:43:44
Rank: #3032 (+23)
24 Miles → Finish
24:23 | 10:59/mi

Course Map & Elevation

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:50:5221:039:3421:03
9:34
-
5.7 Miles
5.70 mi06:35:521:06:0311:3545:00
12:52
+3:18
6.43 Miles
6.43 mi06:46:181:16:2911:5410:26
14:17
+1:25
10.92 Miles
10.92 mi07:29:211:59:3210:5743:03
9:35
-4:42
Garmin Hill Challenge
11.42 mi07:35:142:05:2510:595:53
11:46
+2:11
14.95 Miles
14.95 mi08:08:092:38:2010:3532:55
9:19
-2:27
18 Miles
18.00 mi08:43:133:13:2410:4535:04
11:30
+2:11
24 Miles
24.00 mi09:49:104:19:2110:481:05:57
11:00
-0:30
Finish
26.22 mi10:13:334:43:4410:5024:23
10:59
-0:01

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

9:19 /mi

Average Pace

10:50 /mi

Slowest Pace

14:17 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:37:01

34% of race

Time at Steady Pace

2:11:17

46% of race

Time at Slower Pace

55:26

20% of race

Average Pace: 10:49 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2.2 Miles
2.20 mi05:50:5221:039:3421:03
9:34
#4133
5.7 Miles
5.70 mi06:35:521:06:0311:3545:00
12:52
#4444
6.43 Miles
6.43 mi06:46:181:16:2911:5410:26
14:17
#4285
10.92 Miles
10.92 mi07:29:211:59:3210:5743:03
9:35
#3789
Garmin Hill Challenge
11.42 mi07:35:142:05:2510:595:53
11:46
#3659
14.95 Miles
14.95 mi08:08:092:38:2010:3532:55
9:19
#3483
18 Miles
18.00 mi08:43:133:13:2410:4535:04
11:30
#3278
24 Miles
24.00 mi09:49:104:19:2110:481:05:57
11:00
#3055
Finish
26.22 mi10:13:334:43:4410:5024:23
10:59
#3032
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2.2 Miles2.20 mi2.20 mi413331422424133(Top 85%)3142(Top 88%)242(Top 87%)
5.7 Miles5.70 mi3.50 mi4444-3113329-187257-154529(Top 93%)3372(Top 94%)260(Top 93%)
6.43 Miles6.43 mi0.73 mi4285+1593235+94250+73181(Top 65%)2523(Top 71%)189(Top 68%)
10.92 Miles10.92 mi4.49 mi3789+4962930+305224+262862(Top 59%)2320(Top 65%)169(Top 61%)
Garmin Hill Challenge11.42 mi0.50 mi3659+1302839+91216+82190(Top 45%)1831(Top 51%)119(Top 43%)
14.95 Miles14.95 mi3.53 mi3483+1762720+119206+102910(Top 60%)2316(Top 65%)174(Top 62%)
18 Miles18.00 mi3.05 mi3278+2052576+144197+92591(Top 53%)2078(Top 58%)149(Top 53%)
24 Miles24.00 mi6.00 mi3055+2232400+176186+112575(Top 53%)1987(Top 56%)157(Top 56%)
Finish26.22 mi2.22 mi3032+232374+261862754(Top 56%)2094(Top 59%)159(Top 57%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 85%
×1human
+8ft-12ft

Overall

4133

Males

3142

M45-49

244

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 93%
×6stories
+92ft-87ft

Overall

4529

Males

3372

M45-49

261

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 65%
×11stories
+137ft-3ft

Overall

3181

Males

2523

M45-49

189

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 59%
×21stories
+225ft-318ft

Overall

2862

Males

2320

M45-49

169

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 45%
×11stories
+134ft-123ft

Overall

2190

Males

1831

M45-49

119

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 60%
×16stories
+234ft-225ft

Overall

2910

Males

2316

M45-49

174

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 53%
×12stories
+165ft-60ft

Overall

2591

Males

2078

M45-49

149

18 Miles→24 Miles

18.0 - 24.0 mi

Top 53%
×21stories
+142ft-377ft

Overall

2575

Males

1987

M45-49

157

24 Miles→Finish

24.0 - 26.2 mi

Top 56%
~flat
+2ft-2ft

Overall

2754

Males

2094

M45-49

159

Passing Analysis

Category:
Athletes Passed
1544*
Passed By
443
Net Change
+1101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#4133
2.2 Miles → 5.7 Miles65*376-311#4133#4444
5.7 Miles → 6.43 Miles1634+159#4444#4285
6.43 Miles → 10.92 Miles499*3+496#4285#3789
10.92 Miles → Garmin Hill Challenge1300+130#3789#3659
Garmin Hill Challenge → 14.95 Miles1837+176#3659#3483
14.95 Miles → 18 Miles212*7+205#3483#3278
18 Miles → 24 Miles249*26+223#3278#3055
24 Miles → Finish43*20+23#3055#3032
TOTALS1544*443+1101

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

📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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