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SF MARATHON 2ND HALF 2026

Weiren Luo

Bib: 22392•M•Age: 45

Fremont, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 3840
Top 17%
Gender (Male)
#0 / 2065
Top 24%
Masters (Masters Men)
#0 / 555
Top 18%
Division (M45-49)
#0 / 119
Top 23%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
16:53
Rank: #727
Start → 2M
8:26/mi
16:53 split
4M
32:37
Rank: #720 (+7)
2M → 4M
7:52/mi
15:44 split
6M
52:48
Rank: #675 (+45)
4M → 6M
10:05/mi
20:11 split
8M
1:05:03
Rank: #642 (+33)
6M → 8M
6:07/mi
12:15 split
10M
1:21:56
Rank: #617 (+25)
8M → 10M
8:27/mi
16:53 split
12M
1:39:57
Rank: #634 (-17)
10M → 12M
9:00/mi
18:01 split
Finish· 13.11 mi
1:49:42
Rank: #637 (-3)
12M → Finish
8:47/mi
9:45 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time52:48
Pace8:48 /mi
2nd Half
Distance7.11 mi
Time56:54
Pace8:00 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:51:0916:538:2616:53
8:26
-
4M
4.00 mi09:06:5332:378:0915:44
7:52
-0:34
6M
6.00 mi09:27:0452:488:4820:11
10:05
+2:13
8M
8.00 mi09:39:191:05:038:0812:15
6:07
-3:58
10M
10.00 mi09:56:121:21:568:1216:53
8:27
+2:20
12M
12.00 mi10:14:131:39:578:2018:01
9:00
+0:33
Finish
13.11 mi10:23:581:49:428:229:45
8:47
-0:13

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

8:22 /mi

Slowest Pace

10:05 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:59

26% of race

Time at Steady Pace

1:01:32

56% of race

Time at Slower Pace

20:11

18% of race

Average Pace: 8:22 /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 mi08:51:0916:538:2616:53
8:26
#727
4M
4.00 mi09:06:5332:378:0915:44
7:52
#720
6M
6.00 mi09:27:0452:488:4820:11
10:05
#675
8M
8.00 mi09:39:191:05:038:0812:15
6:07
#642
10M
10.00 mi09:56:121:21:568:1216:53
8:27
#617
12M
12.00 mi10:14:131:39:578:2018:01
9:00
#634
Finish
13.11 mi10:23:581:49:428:229:45
8:47
#637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
2M2.00 mi2.00 mi72755837740(Top 19%)545(Top 26%)31(Top 26%)
4M4.00 mi2.00 mi720+7549+934+3722(Top 19%)547(Top 26%)32(Top 27%)
6M6.00 mi2.00 mi675+45516+3328+6646(Top 17%)501(Top 24%)28(Top 24%)
8M8.00 mi2.00 mi642+33499+1728538(Top 14%)419(Top 20%)22(Top 18%)
10M10.00 mi2.00 mi617+25477+2225+3603(Top 16%)467(Top 23%)22(Top 18%)
12M12.00 mi2.00 mi634-17487-1026-1740(Top 19%)545(Top 26%)31(Top 26%)
Finish13.11 mi1.11 mi637-3489-227-1828(Top 22%)610(Top 30%)34(Top 29%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 19%
×9stories
+138ft-68ft

Overall

740

Males

545

M45-49

31

2M→4M

2.0 - 4.0 mi

Top 19%
×13stories
+163ft-19ft

Overall

722

Males

547

M45-49

32

4M→6M

4.0 - 6.0 mi

Top 17%
×4stories
+55ft-83ft

Overall

646

Males

501

M45-49

28

6M→8M

6.0 - 8.0 mi

Top 14%
×10stories
+65ft-151ft

Overall

538

Males

419

M45-49

22

8M→10M

8.0 - 10.0 mi

Top 16%
×10stories
+61ft-174ft

Overall

603

Males

467

M45-49

22

10M→12M

10.0 - 12.0 mi

Top 19%
×3stories
+41ft-53ft

Overall

740

Males

545

M45-49

31

12M→Finish

12.0 - 13.1 mi

Top 22%
×1human
+6ft-6ft

Overall

828

Males

610

M45-49

34

Passing Analysis

Category:
Athletes Passed
201*
Passed By
111
Net Change
+90
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#727
2M → 4M4841+7#727#720
4M → 6M5712+45#720#675
6M → 8M407+33#675#642
8M → 10M31*6+25#642#617
10M → 12M1431-17#617#634
12M → Finish1114-3#634#637
TOTALS201*111+90

* 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