All Results|Race Analytics|Course
SF MARATHON 2ND HALF 2026

Sejin Kwon

Bib: 23928•M•Age: 30

SF, CA

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0:00
0:00
/ mi
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Overall
#0 / 3840
Top 26%
Gender (Male)
#0 / 2065
Top 35%
Division (M30-34)
#0 / 453
Top 35%
Race Day Weather
59°/49°F
scattered 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
2M
17:24
Rank: #949
Start → 2M
17:24 | 8:42/mi
4M
33:20
Rank: #855 (+94)
2M → 4M
15:56 | 7:58/mi
6M
54:42
Rank: #897 (-42)
4M → 6M
21:22 | 10:41/mi
8M
1:08:16
Rank: #912 (-15)
6M → 8M
13:34 | 6:47/mi
10M
1:26:27
Rank: #933 (-21)
8M → 10M
18:11 | 9:06/mi
12M
1:46:32
Rank: #1001 (-68)
10M → 12M
20:05 | 10:02/mi
Finish· 13.11 mi
1:56:34
Rank: #992 (+9)
12M → Finish
10:02 | 9:03/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via 6M
Distance6.00 mi
Time54:42
Pace9:07 /mi
2nd Half
Distance7.11 mi
Time1:01:52
Pace8:42 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:57:3517:248:4217:24
8:42
-
4M
4.00 mi09:13:3133:208:2015:56
7:58
-0:44
6M
6.00 mi09:34:5354:429:0721:22
10:41
+2:43
8M
8.00 mi09:48:271:08:168:3213:34
6:47
-3:54
10M
10.00 mi10:06:381:26:278:3918:11
9:06
+2:19
12M
12.00 mi10:26:431:46:328:5320:05
10:02
+0:56
Finish
13.11 mi10:36:451:56:348:5410:02
9:03
-0:59

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

6:47 /mi

Average Pace

8:54 /mi

Slowest Pace

10:41 /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

29:30

25% of race

Time at Steady Pace

45:37

39% of race

Time at Slower Pace

41:27

36% of race

Average Pace: 8:53 /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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0mi3.3mi6.6mi9.8mi13.1mi
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
2M
2.00 mi08:57:3517:248:4217:24
8:42
#949
4M
4.00 mi09:13:3133:208:2015:56
7:58
#855
6M
6.00 mi09:34:5354:429:0721:22
10:41
#897
8M
8.00 mi09:48:271:08:168:3213:34
6:47
#912
10M
10.00 mi10:06:381:26:278:3918:11
9:06
#933
12M
12.00 mi10:26:431:46:328:5320:05
10:02
#1001
Finish
13.11 mi10:36:451:56:348:5410:02
9:03
#992
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi2.00 mi9496961631364(Top 36%)922(Top 45%)204(Top 45%)
4M4.00 mi2.00 mi855+94634+62144+19800(Top 21%)597(Top 29%)139(Top 31%)
6M6.00 mi2.00 mi897-42662-28149-5999(Top 26%)720(Top 35%)160(Top 35%)
8M8.00 mi2.00 mi912-15669-71491098(Top 29%)783(Top 38%)175(Top 39%)
10M10.00 mi2.00 mi933-21680-11150-11007(Top 26%)725(Top 35%)161(Top 36%)
12M12.00 mi2.00 mi1001-68721-41160-101364(Top 36%)922(Top 45%)204(Top 45%)
Finish13.11 mi1.11 mi992+9715+6159+1990(Top 26%)698(Top 34%)148(Top 33%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 36%
×9stories
+138ft-68ft

Overall

1364

Males

922

M30-34

204

2M→4M

2.0 - 4.0 mi

Top 21%
×13stories
+163ft-19ft

Overall

800

Males

597

M30-34

139

4M→6M

4.0 - 6.0 mi

Top 26%
×4stories
+55ft-83ft

Overall

999

Males

720

M30-34

160

6M→8M

6.0 - 8.0 mi

Top 29%
×10stories
+65ft-151ft

Overall

1098

Males

783

M30-34

175

8M→10M

8.0 - 10.0 mi

Top 26%
×10stories
+61ft-174ft

Overall

1007

Males

725

M30-34

161

10M→12M

10.0 - 12.0 mi

Top 36%
×3stories
+41ft-53ft

Overall

1364

Males

922

M30-34

204

12M→Finish

12.0 - 13.1 mi

Top 26%
×1human
+6ft-6ft

Overall

990

Males

698

M30-34

148

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
186*
Passed By
229
Net Change
-43
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#949
2M → 4M11117+94#949#855
4M → 6M1355-42#855#897
6M → 8M1328-15#897#912
8M → 10M14*35-21#912#933
10M → 12M1280-68#933#1001
12M → Finish2314+9#1001#992
TOTALS186*229-43

* 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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Activity Data

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon