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SF MARATHON 2025

Sangduk Nam

Bib: 7917•M•Age: 37

Arcadia, CA

0:00
0:00
/ mi
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Overall
#0 / 6545
Gender (Male)
#0 / 4641
Division (M35-39)
Official
#0 / 606
Calculated (M35-39)
#0 / 606
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
17:44
Rank: #3958
Start → 1.81 Miles
17:44 | 9:48/mi
5.55 Miles
55:25
Rank: #4039 (-81)
1.81 Miles → 5.55 Miles
37:41 | 10:05/mi
6.52 Miles
1:05:56
Rank: #4057 (-18)
5.55 Miles → 6.52 Miles
10:31 | 10:51/mi
10.87 Miles
1:53:20
Rank: #4344 (-287)
6.52 Miles → 10.87 Miles
47:24 | 10:54/mi
Garmin Hill Challenge· 11.38 mi
2:00:15
Rank: #4331 (+13)
10.87 Miles → Garmin Hill Challenge
6:55 | 13:34/mi
14.95 Miles
2:40:01
Rank: #4798 (-467)
Garmin Hill Challenge → 14.95 Miles
39:46 | 11:08/mi
18 Miles
3:26:43
Rank: #5194 (-396)
14.95 Miles → 18 Miles
46:42 | 15:19/mi
25 Miles
5:16:35
Rank: #5750 (-556)
18 Miles → 25 Miles
1:49:52 | 15:42/mi
Finish· 26.22 mi
5:32:26
Rank: #5733 (+17)
25 Miles → Finish
15:51 | 13:00/mi
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81 Miles
1.81 mi05:38:0417:449:4817:44
9:48
-
5.55 Miles
5.55 mi06:15:4555:259:5937:41
10:05
+0:17
6.52 Miles
6.52 mi06:26:161:05:5610:0710:31
10:51
+0:46
10.87 Miles
10.87 mi07:13:401:53:2010:2647:24
10:54
+0:03
Garmin Hill Challenge
11.38 mi07:20:352:00:1510:346:55
13:34
+2:40
14.95 Miles
14.95 mi08:00:212:40:0110:4239:46
11:08
-2:26
18 Miles
18.00 mi08:47:033:26:4311:2946:42
15:19
+4:11
25 Miles
25.00 mi10:36:555:16:3512:401:49:52
15:42
+0:23
Finish
26.22 mi10:52:465:32:2612:4115:51
13:00
-2:42

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

9:48 /mi

Average Pace

12:41 /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

55:25

17% of race

Time at Steady Pace

1:37:41

29% of race

Time at Slower Pace

2:59:20

54% of race

Average Pace: 12:41 /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
1.81 Miles
1.81 mi05:38:0417:449:4817:44
9:48
#3958
5.55 Miles
5.55 mi06:15:4555:259:5937:41
10:05
#4039
6.52 Miles
6.52 mi06:26:161:05:5610:0710:31
10:51
#4057
10.87 Miles
10.87 mi07:13:401:53:2010:2647:24
10:54
#4344
Garmin Hill Challenge
11.38 mi07:20:352:00:1510:346:55
13:34
#4331
14.95 Miles
14.95 mi08:00:212:40:0110:4239:46
11:08
#4798
18 Miles
18.00 mi08:47:033:26:4311:2946:42
15:19
#5194
25 Miles
25.00 mi10:36:555:16:3512:401:49:52
15:42
#5750
Finish
26.22 mi10:52:465:32:2612:4115:51
13:00
#5733
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.81 Miles1.81 mi1.81 mi395830964203958(Top 60%)3096(Top 67%)420(Top 69%)
5.55 Miles5.55 mi3.74 mi4039-813163-67418+24094(Top 63%)3198(Top 69%)429(Top 71%)
6.52 Miles6.52 mi0.97 mi4057-183174-11421-34322(Top 66%)3341(Top 72%)449(Top 74%)
10.87 Miles10.87 mi4.35 mi4344-2873357-183445-244795(Top 73%)3653(Top 79%)483(Top 80%)
Garmin Hill Challenge11.38 mi0.51 mi4331+133348+9446-14346(Top 66%)3344(Top 72%)447(Top 74%)
14.95 Miles14.95 mi3.57 mi4798-4673661-313485-395436(Top 83%)4016(Top 87%)529(Top 87%)
18 Miles18.00 mi3.05 mi5194-3963882-221518-336269(Top 96%)4457(Top 96%)581(Top 96%)
25 Miles25.00 mi7.00 mi5750-5564172-290547-296247(Top 95%)4439(Top 96%)576(Top 95%)
Finish26.22 mi1.22 mi5733+174158+14546+15300(Top 81%)3806(Top 82%)489(Top 81%)

Segment Performance Analysis

Start → 1.81 Miles

0.0 - 1.8 mi

Top 60%
×1human
+6ft-10ft

Overall

3958

Males

3096

M35-39

421

1.81 Miles→5.55 Miles

1.8 - 5.5 mi

Top 63%
×6stories
+97ft-86ft

Overall

4094

Males

3198

M35-39

430

5.55 Miles→6.52 Miles

5.5 - 6.5 mi

Top 66%
×15stories
+178ft-5ft

Overall

4322

Males

3341

M35-39

450

6.52 Miles→10.87 Miles

6.5 - 10.9 mi

Top 73%
×20stories
+201ft-318ft

Overall

4795

Males

3653

M35-39

484

10.87 Miles→Garmin Hill Challenge

10.9 - 11.4 mi

Top 66%
×11stories
+134ft-79ft

Overall

4346

Males

3344

M35-39

448

Garmin Hill Challenge→14.95 Miles

11.4 - 14.9 mi

Top 83%
×17stories
+251ft-225ft

Overall

5436

Males

4016

M35-39

530

14.95 Miles→18 Miles

14.9 - 18.0 mi

Top 96%
×12stories
+165ft-60ft

Overall

6269

Males

4457

M35-39

582

18 Miles→25 Miles

18.0 - 25.0 mi

Top 95%
×22stories
+142ft-378ft

Overall

6247

Males

4439

M35-39

576

25 Miles→Finish

25.0 - 26.2 mi

Top 81%
~flat
+2ft-0ft

Overall

5300

Males

3806

M35-39

489

Passing Analysis

Category:
Athletes Passed
396*
Passed By
2171
Net Change
-1775
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81 Miles----#3958
1.81 Miles → 5.55 Miles177258-81#3958#4039
5.55 Miles → 6.52 Miles4765-18#4039#4057
6.52 Miles → 10.87 Miles50*337-287#4057#4344
10.87 Miles → Garmin Hill Challenge4734+13#4344#4331
Garmin Hill Challenge → 14.95 Miles8*475-467#4331#4798
14.95 Miles → 18 Miles21*417-396#4798#5194
18 Miles → 25 Miles17*573-556#5194#5750
25 Miles → Finish29*12+17#5750#5733
TOTALS396*2171-1775

* 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