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SF MARATHON 2023

William Chui

Bib: 2255•M•Age: 51

Pleasanton, CA

Masters
San Francisco Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 4888
Gender (Male)
#0 / 3570
Masters (Masters Men)
#0 / 1128
Division (M50-54)
#0 / 237
Race Day Weather
69°/59°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2.2 Miles
21:20
Rank: #4253
Start → 2.2 Miles
21:20 | 9:42/mi
5.7 Miles
1:05:21
Rank: #4369 (-116)
2.2 Miles → 5.7 Miles
44:01 | 12:35/mi
6.43 Miles
1:17:22
Rank: #4375 (-6)
5.7 Miles → 6.43 Miles
12:01 | 16:28/mi
10.92 Miles
2:08:50
Rank: #4381 (-6)
6.43 Miles → 10.92 Miles
51:28 | 11:28/mi
Garmin Hill Challenge· 11.42 mi
2:16:48
Rank: #4377 (+4)
10.92 Miles → Garmin Hill Challenge
7:58 | 15:56/mi
14.95 Miles
2:59:21
Rank: #4437 (-60)
Garmin Hill Challenge → 14.95 Miles
42:33 | 12:03/mi
18 Miles
3:48:06
Rank: #4506 (-69)
14.95 Miles → 18 Miles
48:45 | 15:59/mi
24 Miles
5:25:44
Rank: #4646 (-140)
18 Miles → 24 Miles
1:37:38 | 16:16/mi
Finish· 26.22 mi
5:59:22
Rank: #4650 (-4)
24 Miles → Finish
33:38 | 15:09/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2.2 Miles
2.20 mi05:46:4121:209:4221:20
9:42
-
5.7 Miles
5.70 mi06:30:421:05:2111:2844:01
12:35
+2:53
6.43 Miles
6.43 mi06:42:431:17:2212:0212:01
16:28
+3:53
10.92 Miles
10.92 mi07:34:112:08:5011:4851:28
11:28
-5:00
Garmin Hill Challenge
11.42 mi07:42:092:16:4811:597:58
15:56
+4:28
14.95 Miles
14.95 mi08:24:422:59:2112:0042:33
12:03
-3:53
18 Miles
18.00 mi09:13:273:48:0612:4048:45
15:59
+3:56
24 Miles
24.00 mi10:51:055:25:4413:341:37:38
16:16
+0:17
Finish
26.22 mi11:24:435:59:2213:4333:38
15:09
-1:07

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

9:42 /mi

Average Pace

13:43 /mi

Slowest Pace

16:28 /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

2:39:22

44% of race

Time at Steady Pace

3:07:59

52% of race

Time at Slower Pace

12:01

3% of race

Average Pace: 13:42 /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.

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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 mi05:46:4121:209:4221:20
9:42
#4253
5.7 Miles
5.70 mi06:30:421:05:2111:2844:01
12:35
#4369
6.43 Miles
6.43 mi06:42:431:17:2212:0212:01
16:28
#4375
10.92 Miles
10.92 mi07:34:112:08:5011:4851:28
11:28
#4381
Garmin Hill Challenge
11.42 mi07:42:092:16:4811:597:58
15:56
#4377
14.95 Miles
14.95 mi08:24:422:59:2112:0042:33
12:03
#4437
18 Miles
18.00 mi09:13:273:48:0612:4048:45
15:59
#4506
24 Miles
24.00 mi10:51:055:25:4413:341:37:38
16:16
#4646
Finish
26.22 mi11:24:435:59:2213:4333:38
15:09
#4650
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2.2 Miles2.20 mi2.20 mi425332072174253(Top 87%)3207(Top 90%)217(Top 92%)
5.7 Miles5.70 mi3.50 mi4369-1163282-75215+24401(Top 90%)3302(Top 92%)217(Top 92%)
6.43 Miles6.43 mi0.73 mi4375-63291-9218-34343(Top 89%)3274(Top 92%)213(Top 90%)
10.92 Miles10.92 mi4.49 mi4381-63296-52184374(Top 89%)3297(Top 92%)217(Top 92%)
Garmin Hill Challenge11.42 mi0.50 mi4377+43294+22184120(Top 84%)3128(Top 88%)196(Top 83%)
14.95 Miles14.95 mi3.53 mi4437-603328-34217+14617(Top 94%)3416(Top 96%)227(Top 96%)
18 Miles18.00 mi3.05 mi4506-693361-33222-54618(Top 94%)3408(Top 95%)229(Top 97%)
24 Miles24.00 mi6.00 mi4646-1403433-72230-84771(Top 98%)3497(Top 98%)233(Top 98%)
Finish26.22 mi2.22 mi4650-43436-32304523(Top 93%)3311(Top 93%)225(Top 95%)

Segment Performance Analysis

Start → 2.2 Miles

0.0 - 2.2 mi

Top 87%
×1human
+8ft-12ft

Overall

4253

Males

3207

M50-54

218

2.2 Miles→5.7 Miles

2.2 - 5.7 mi

Top 90%
×6stories
+92ft-87ft

Overall

4401

Males

3302

M50-54

218

5.7 Miles→6.43 Miles

5.7 - 6.4 mi

Top 89%
×11stories
+137ft-3ft

Overall

4343

Males

3274

M50-54

213

6.43 Miles→10.92 Miles

6.4 - 10.9 mi

Top 89%
×21stories
+225ft-318ft

Overall

4374

Males

3297

M50-54

217

10.92 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 84%
×11stories
+134ft-123ft

Overall

4120

Males

3128

M50-54

196

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 94%
×16stories
+234ft-225ft

Overall

4617

Males

3416

M50-54

227

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 94%
×12stories
+165ft-60ft

Overall

4618

Males

3408

M50-54

229

18 Miles→24 Miles

18.0 - 24.0 mi

Top 98%
×21stories
+142ft-377ft

Overall

4771

Males

3497

M50-54

233

24 Miles→Finish

24.0 - 26.2 mi

Top 93%
~flat
+2ft-2ft

Overall

4523

Males

3311

M50-54

225

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
315*
Passed By
712
Net Change
-397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2.2 Miles----#4253
2.2 Miles → 5.7 Miles107*223-116#4253#4369
5.7 Miles → 6.43 Miles3036-6#4369#4375
6.43 Miles → 10.92 Miles70*76-6#4375#4381
10.92 Miles → Garmin Hill Challenge1814+4#4381#4377
Garmin Hill Challenge → 14.95 Miles22*82-60#4377#4437
14.95 Miles → 18 Miles30*99-69#4437#4506
18 Miles → 24 Miles29*169-140#4506#4646
24 Miles → Finish9*13-4#4646#4650
TOTALS315*712-397

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

Activity Data

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