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SF MARATHON 2ND HALF 2026

Alex Giang

Bib: 25968•M•Age: 20

San Mateo, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 14%
Gender (Male)
#0 / 2065
Top 21%
M20-29
#0 / 190
Top 19%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
16:54
Rank: #740
Start → 2M
16:54 | 8:27/mi
4M
32:35
Rank: #709 (+31)
2M → 4M
15:41 | 7:51/mi
6M
52:45
Rank: #664 (+45)
4M → 6M
20:10 | 10:05/mi
8M
1:04:59
Rank: #635 (+29)
6M → 8M
12:14 | 6:07/mi
10M
1:21:16
Rank: #578 (+57)
8M → 10M
16:17 | 8:09/mi
12M
1:38:21
Rank: #557 (+21)
10M → 12M
17:05 | 8:32/mi
Finish· 13.11 mi
1:47:58
Rank: #553 (+4)
12M → Finish
9:37 | 8:40/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:45
Pace8:48 /mi
2nd Half
Distance7.11 mi
Time55:13
Pace7:46 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:51:0716:548:2716:54
8:27
-
4M
4.00 mi09:06:4832:358:0915:41
7:51
-0:36
6M
6.00 mi09:26:5852:458:4820:10
10:05
+2:14
8M
8.00 mi09:39:121:04:598:0712:14
6:07
-3:58
10M
10.00 mi09:55:291:21:168:0816:17
8:09
+2:02
12M
12.00 mi10:12:341:38:218:1217:05
8:32
+0:23
Finish
13.11 mi10:22:111:47:588:149:37
8:40
+0:08

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

6:07 /mi

Average Pace

8:14 /mi

Slowest Pace

10:05 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:55

26% of race

Time at Steady Pace

59:53

55% of race

Time at Slower Pace

20:10

19% of race

Average Pace: 8:14 /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 mi08:51:0716:548:2716:54
8:27
#740
4M
4.00 mi09:06:4832:358:0915:41
7:51
#709
6M
6.00 mi09:26:5852:458:4820:10
10:05
#664
8M
8.00 mi09:39:121:04:598:0712:14
6:07
#635
10M
10.00 mi09:55:291:21:168:0816:17
8:09
#578
12M
12.00 mi10:12:341:38:218:1217:05
8:32
#557
Finish
13.11 mi10:22:111:47:588:149:37
8:40
#553
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi74056749516(Top 13%)395(Top 19%)33(Top 17%)
4M4.00 mi2.00 mi709+31542+2547+2683(Top 18%)521(Top 25%)48(Top 25%)
6M6.00 mi2.00 mi664+45506+3643+4636(Top 17%)493(Top 24%)44(Top 23%)
8M8.00 mi2.00 mi635+29495+1143529(Top 14%)411(Top 20%)37(Top 19%)
10M10.00 mi2.00 mi578+57452+4339+4467(Top 12%)369(Top 18%)30(Top 16%)
12M12.00 mi2.00 mi557+21433+1936+3516(Top 13%)395(Top 19%)33(Top 17%)
Finish13.11 mi1.11 mi553+4428+537-1755(Top 20%)560(Top 27%)52(Top 27%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 13%
×9stories
+138ft-68ft

Overall

516

Males

395

M20-24

33

2M→4M

2.0 - 4.0 mi

Top 18%
×13stories
+163ft-19ft

Overall

683

Males

521

M20-24

48

4M→6M

4.0 - 6.0 mi

Top 17%
×4stories
+55ft-83ft

Overall

636

Males

493

M20-24

45

6M→8M

6.0 - 8.0 mi

Top 14%
×10stories
+65ft-151ft

Overall

529

Males

411

M20-24

37

8M→10M

8.0 - 10.0 mi

Top 12%
×10stories
+61ft-174ft

Overall

467

Males

369

M20-24

30

10M→12M

10.0 - 12.0 mi

Top 13%
×3stories
+41ft-53ft

Overall

516

Males

395

M20-24

33

12M→Finish

12.0 - 13.1 mi

Top 20%
×1human
+6ft-6ft

Overall

755

Males

560

M20-24

52

Passing Analysis

Category:
Athletes Passed
255*
Passed By
68
Net Change
+187
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#740
2M → 4M6029+31#740#709
4M → 6M5712+45#709#664
6M → 8M4011+29#664#635
8M → 10M59*2+57#635#578
10M → 12M265+21#578#557
12M → Finish139+4#557#553
TOTALS255*68+187

* 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