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SF MARATHON 2ND HALF 2026

Sang Seo

Bib: 25992•M•Age: 35

Berkeley, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 24%
Gender (Male)
#0 / 2065
Top 33%
Division (M35-39)
#0 / 309
Top 38%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
16:22
Rank: #568
Start → 2M
16:22 | 8:11/mi
4M
32:34
Rank: #705 (-137)
2M → 4M
16:12 | 8:06/mi
6M
53:36
Rank: #767 (-62)
4M → 6M
21:02 | 10:31/mi
8M
1:07:04
Rank: #817 (-50)
6M → 8M
13:28 | 6:44/mi
10M
1:25:31
Rank: #858 (-41)
8M → 10M
18:27 | 9:14/mi
12M
1:44:50
Rank: #905 (-47)
10M → 12M
19:19 | 9:39/mi
Finish· 13.11 mi
1:55:20
Rank: #929 (-24)
12M → Finish
10:30 | 9:28/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time53:36
Pace8:56 /mi
2nd Half
Distance7.11 mi
Time1:01:44
Pace8:41 /mi
📊Positive Split: 15.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:50:5016:228:1116:22
8:11
-
4M
4.00 mi09:07:0232:348:0916:12
8:06
-0:05
6M
6.00 mi09:28:0453:368:5621:02
10:31
+2:25
8M
8.00 mi09:41:321:07:048:2313:28
6:44
-3:47
10M
10.00 mi09:59:591:25:318:3318:27
9:14
+2:30
12M
12.00 mi10:19:181:44:508:4419:19
9:39
+0:25
Finish
13.11 mi10:29:481:55:208:4810:30
9:28
-0:11

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

6:44 /mi

Average Pace

8:48 /mi

Slowest Pace

10:31 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

46:02

40% of race

Time at Steady Pace

48:16

42% of race

Time at Slower Pace

21:02

18% of race

Average Pace: 8:48 /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...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi08:50:5016:228:1116:22
8:11
#568
4M
4.00 mi09:07:0232:348:0916:12
8:06
#705
6M
6.00 mi09:28:0453:368:5621:02
10:31
#767
8M
8.00 mi09:41:321:07:048:2313:28
6:44
#817
10M
10.00 mi09:59:591:25:318:3318:27
9:14
#858
12M
12.00 mi10:19:181:44:508:4419:19
9:39
#905
Finish
13.11 mi10:29:481:55:208:4810:30
9:28
#929
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi568442731137(Top 30%)788(Top 38%)133(Top 43%)
4M4.00 mi2.00 mi705-137539-9792-19883(Top 23%)644(Top 31%)112(Top 36%)
6M6.00 mi2.00 mi767-62584-45101-9884(Top 23%)657(Top 32%)110(Top 36%)
8M8.00 mi2.00 mi817-50609-25104-31058(Top 28%)762(Top 37%)127(Top 41%)
10M10.00 mi2.00 mi858-41638-29108-41094(Top 28%)779(Top 38%)128(Top 41%)
12M12.00 mi2.00 mi905-47663-25112-41137(Top 30%)788(Top 38%)133(Top 43%)
Finish13.11 mi1.11 mi929-24674-11116-41261(Top 33%)859(Top 42%)147(Top 48%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 30%
×9stories
+138ft-68ft

Overall

1137

Males

788

M35-39

133

2M→4M

2.0 - 4.0 mi

Top 23%
×13stories
+163ft-19ft

Overall

883

Males

644

M35-39

112

4M→6M

4.0 - 6.0 mi

Top 23%
×4stories
+55ft-83ft

Overall

884

Males

657

M35-39

110

6M→8M

6.0 - 8.0 mi

Top 28%
×10stories
+65ft-151ft

Overall

1058

Males

762

M35-39

127

8M→10M

8.0 - 10.0 mi

Top 28%
×10stories
+61ft-174ft

Overall

1094

Males

779

M35-39

128

10M→12M

10.0 - 12.0 mi

Top 30%
×3stories
+41ft-53ft

Overall

1137

Males

788

M35-39

133

12M→Finish

12.0 - 13.1 mi

Top 33%
×1human
+6ft-6ft

Overall

1261

Males

859

M35-39

147

Passing Analysis

Category:
Athletes Passed
51*
Passed By
412
Net Change
-361
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#568
2M → 4M6143-137#568#705
4M → 6M1577-62#705#767
6M → 8M858-50#767#817
8M → 10M8*49-41#817#858
10M → 12M956-47#858#905
12M → Finish529-24#905#929
TOTALS51*412-361

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon