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SF MARATHON 2025

William Chuong

Bib: 7488•M•Age: 31

Rosemead, CA

0:00
0:00
/ mi
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Overall
#0 / 6545
Gender (Male)
#0 / 4641
Division (M30-34)
#0 / 933
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
1.81 Miles
15:53
Rank: #1995
Start → 1.81 Miles
15:53 | 8:47/mi
5.55 Miles
53:34
Rank: #3474 (-1479)
1.81 Miles → 5.55 Miles
37:41 | 10:05/mi
6.52 Miles
1:03:49
Rank: #3538 (-64)
5.55 Miles → 6.52 Miles
10:15 | 10:34/mi
10.87 Miles
1:53:42
Rank: #4383 (-845)
6.52 Miles → 10.87 Miles
49:53 | 11:28/mi
Garmin Hill Challenge· 11.38 mi
2:00:52
Rank: #4399 (-16)
10.87 Miles → Garmin Hill Challenge
7:10 | 14:04/mi
14.95 Miles
2:50:44
Rank: #5441 (-1042)
Garmin Hill Challenge → 14.95 Miles
49:52 | 13:58/mi
18 Miles
3:33:20
Rank: #5530 (-89)
14.95 Miles → 18 Miles
42:36 | 13:58/mi
25 Miles
5:23:17
Rank: #5887 (-357)
18 Miles → 25 Miles
1:49:57 | 15:42/mi
Finish· 26.22 mi
5:38:28
Rank: #5857 (+30)
25 Miles → Finish
15:11 | 12:28/mi
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi06:03:3815:538:4715:53
8:47
-
5.55 Miles
5.55 mi06:41:1953:349:3937:41
10:05
+1:18
6.52 Miles
6.52 mi06:51:341:03:499:4710:15
10:34
+0:29
10.87 Miles
10.87 mi07:41:271:53:4210:2849:53
11:28
+0:54
Garmin Hill Challenge
11.38 mi07:48:372:00:5210:377:10
14:04
+2:36
14.95 Miles
14.95 mi08:38:292:50:4411:2549:52
13:58
-0:06
18 Miles
18.00 mi09:21:053:33:2011:5142:36
13:58
0:00
25 Miles
25.00 mi11:11:025:23:1712:561:49:57
15:42
+1:44
Finish
26.22 mi11:26:135:38:2812:5515:11
12:28
-3:14

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

8:47 /mi

Average Pace

12:55 /mi

Slowest Pace

15:42 /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

1:03:49

19% of race

Time at Steady Pace

1:05:04

19% of race

Time at Slower Pace

3:29:35

62% of race

Average Pace: 12:55 /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.

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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
1.81 Miles
1.81 mi06:03:3815:538:4715:53
8:47
#1995
5.55 Miles
5.55 mi06:41:1953:349:3937:41
10:05
#3474
6.52 Miles
6.52 mi06:51:341:03:499:4710:15
10:34
#3538
10.87 Miles
10.87 mi07:41:271:53:4210:2849:53
11:28
#4383
Garmin Hill Challenge
11.38 mi07:48:372:00:5210:377:10
14:04
#4399
14.95 Miles
14.95 mi08:38:292:50:4411:2549:52
13:58
#5441
18 Miles
18.00 mi09:21:053:33:2011:5142:36
13:58
#5530
25 Miles
25.00 mi11:11:025:23:1712:561:49:57
15:42
#5887
Finish
26.22 mi11:26:135:38:2812:5515:11
12:28
#5857
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81 Miles1.81 mi1.81 mi199516953451995(Top 30%)1695(Top 37%)345(Top 37%)
5.55 Miles5.55 mi3.74 mi3474-14792781-1086552-2074095(Top 63%)3199(Top 69%)635(Top 68%)
6.52 Miles6.52 mi0.97 mi3538-642826-45561-93908(Top 60%)3089(Top 67%)614(Top 66%)
10.87 Miles10.87 mi4.35 mi4383-8453381-555678-1175436(Top 83%)4033(Top 87%)805(Top 86%)
Garmin Hill Challenge11.38 mi0.51 mi4399-163395-14681-34648(Top 71%)3537(Top 76%)712(Top 76%)
14.95 Miles14.95 mi3.57 mi5441-10424030-635807-1266262(Top 96%)4483(Top 97%)901(Top 97%)
18 Miles18.00 mi3.05 mi5530-894080-50811-45746(Top 88%)4119(Top 89%)815(Top 87%)
25 Miles25.00 mi7.00 mi5887-3574252-172849-386249(Top 95%)4440(Top 96%)894(Top 96%)
Finish26.22 mi1.22 mi5857+304234+18847+24992(Top 76%)3609(Top 78%)727(Top 78%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 30%
×1human
+6ft-10ft

Overall

1995

Males

1695

M30-34

347

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 63%
×6stories
+97ft-86ft

Overall

4095

Males

3199

M30-34

637

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 60%
×15stories
+178ft-5ft

Overall

3908

Males

3089

M30-34

616

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 83%
×20stories
+201ft-318ft

Overall

5436

Males

4033

M30-34

808

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 71%
×11stories
+134ft-79ft

Overall

4648

Males

3537

M30-34

713

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 96%
×17stories
+251ft-225ft

Overall

6262

Males

4483

M30-34

904

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 88%
×12stories
+165ft-60ft

Overall

5746

Males

4119

M30-34

816

18 Miles→25 Miles

18.0 - 25.0 mi

Top 95%
×22stories
+142ft-378ft

Overall

6249

Males

4440

M30-34

894

25 Miles→Finish

25.0 - 26.2 mi

Top 76%
~flat
+2ft-0ft

Overall

4992

Males

3609

M30-34

727

Passing Analysis

Category:
Athletes Passed
208*
Passed By
4070
Net Change
-3862
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#1995
1.81 Miles → 5.55 Miles41483-1479#1995#3474
5.55 Miles → 6.52 Miles1983-64#3474#3538
6.52 Miles → 10.87 Miles14*859-845#3538#4383
10.87 Miles → Garmin Hill Challenge3349-16#4383#4399
Garmin Hill Challenge → 14.95 Miles4*1046-1042#4399#5441
14.95 Miles → 18 Miles79*168-89#5441#5530
18 Miles → 25 Miles20*377-357#5530#5887
25 Miles → Finish35*5+30#5887#5857
TOTALS208*4070-3862

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon