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SF MARATHON 2025

Johnathan Siu

Bib: 7944•M•Age: 34

Hercules, 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
18:06
Rank: #4349
Start → 1.81 Miles
18:06 | 10:00/mi
5.55 Miles
1:00:39
Rank: #5323 (-974)
1.81 Miles → 5.55 Miles
42:33 | 11:23/mi
6.52 Miles
1:11:08
Rank: #5178 (+145)
5.55 Miles → 6.52 Miles
10:29 | 10:48/mi
10.87 Miles
1:58:38
Rank: #5003 (+175)
6.52 Miles → 10.87 Miles
47:30 | 10:55/mi
Garmin Hill Challenge· 11.38 mi
2:05:38
Rank: #4955 (+48)
10.87 Miles → Garmin Hill Challenge
7:00 | 13:44/mi
14.95 Miles
2:41:57
Rank: #4993 (-38)
Garmin Hill Challenge → 14.95 Miles
36:19 | 10:10/mi
18 Miles
3:27:07
Rank: #5212 (-219)
14.95 Miles → 18 Miles
45:10 | 14:49/mi
25 Miles
5:16:17
Rank: #5742 (-530)
18 Miles → 25 Miles
1:49:10 | 15:36/mi
Finish· 26.22 mi
5:32:54
Rank: #5738 (+4)
25 Miles → Finish
16:37 | 13:38/mi

Course Map & Elevation

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:57:3918:0610:0018:06
10:00
-
5.55 Miles
5.55 mi06:40:121:00:3910:5642:33
11:23
+1:23
6.52 Miles
6.52 mi06:50:411:11:0810:5510:29
10:48
-0:35
10.87 Miles
10.87 mi07:38:111:58:3810:5547:30
10:55
+0:07
Garmin Hill Challenge
11.38 mi07:45:112:05:3811:027:00
13:44
+2:49
14.95 Miles
14.95 mi08:21:302:41:5710:5036:19
10:10
-3:34
18 Miles
18.00 mi09:06:403:27:0711:3045:10
14:49
+4:39
25 Miles
25.00 mi10:55:505:16:1712:391:49:10
15:36
+0:47
Finish
26.22 mi11:12:275:32:5412:4216:37
13:38
-1:58

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

10:00 /mi

Average Pace

12:42 /mi

Slowest Pace

15:36 /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

54:25

16% of race

Time at Steady Pace

1:40:32

30% of race

Time at Slower Pace

2:57:57

53% of race

Average Pace: 12:42 /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.

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
1.81 Miles
1.81 mi05:57:3918:0610:0018:06
10:00
#4349
5.55 Miles
5.55 mi06:40:121:00:3910:5642:33
11:23
#5323
6.52 Miles
6.52 mi06:50:411:11:0810:5510:29
10:48
#5178
10.87 Miles
10.87 mi07:38:111:58:3810:5547:30
10:55
#5003
Garmin Hill Challenge
11.38 mi07:45:112:05:3811:027:00
13:44
#4955
14.95 Miles
14.95 mi08:21:302:41:5710:5036:19
10:10
#4993
18 Miles
18.00 mi09:06:403:27:0711:3045:10
14:49
#5212
25 Miles
25.00 mi10:55:505:16:1712:391:49:10
15:36
#5742
Finish
26.22 mi11:12:275:32:5412:4216:37
13:38
#5738
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81 Miles1.81 mi1.81 mi434933556604349(Top 66%)3355(Top 72%)660(Top 71%)
5.55 Miles5.55 mi3.74 mi5323-9743984-629791-1315661(Top 86%)4174(Top 90%)830(Top 89%)
6.52 Miles6.52 mi0.97 mi5178+1453896+88775+164274(Top 65%)3311(Top 71%)657(Top 70%)
10.87 Miles10.87 mi4.35 mi5003+1753787+109763+124828(Top 74%)3674(Top 79%)732(Top 78%)
Garmin Hill Challenge11.38 mi0.51 mi4955+483766+21757+64462(Top 68%)3418(Top 74%)692(Top 74%)
14.95 Miles14.95 mi3.57 mi4993-383779-13751+64955(Top 76%)3722(Top 80%)739(Top 79%)
18 Miles18.00 mi3.05 mi5212-2193896-117778-276117(Top 93%)4355(Top 94%)863(Top 92%)
25 Miles25.00 mi7.00 mi5742-5304167-271833-556234(Top 95%)4430(Top 95%)893(Top 96%)
Finish26.22 mi1.22 mi5738+44162+58335627(Top 86%)4009(Top 86%)808(Top 87%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 66%
×1human
+6ft-10ft

Overall

4349

Males

3355

M30-34

665

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 86%
×6stories
+97ft-86ft

Overall

5661

Males

4174

M30-34

836

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 65%
×15stories
+178ft-5ft

Overall

4274

Males

3311

M30-34

660

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 74%
×20stories
+201ft-318ft

Overall

4828

Males

3674

M30-34

735

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 68%
×11stories
+134ft-79ft

Overall

4462

Males

3418

M30-34

693

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 76%
×17stories
+251ft-225ft

Overall

4955

Males

3722

M30-34

741

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 93%
×12stories
+165ft-60ft

Overall

6117

Males

4355

M30-34

864

18 Miles→25 Miles

18.0 - 25.0 mi

Top 95%
×22stories
+142ft-378ft

Overall

6234

Males

4430

M30-34

893

25 Miles→Finish

25.0 - 26.2 mi

Top 86%
~flat
+2ft-0ft

Overall

5627

Males

4009

M30-34

808

Passing Analysis

Category:
Athletes Passed
641*
Passed By
2030
Net Change
-1389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#4349
1.81 Miles → 5.55 Miles351009-974#4349#5323
5.55 Miles → 6.52 Miles15510+145#5323#5178
6.52 Miles → 10.87 Miles234*59+175#5178#5003
10.87 Miles → Garmin Hill Challenge7022+48#5003#4955
Garmin Hill Challenge → 14.95 Miles70*108-38#4955#4993
14.95 Miles → 18 Miles35*254-219#4993#5212
18 Miles → 25 Miles20*550-530#5212#5742
25 Miles → Finish22*18+4#5742#5738
TOTALS641*2030-1389

* 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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Public Race Data

The San Francisco Marathon

The San Francisco Marathon