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SF MARATHON 2ND HALF 2026

Cleo Chu

Bib: 23719•F•Age: 30

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Gender (Female)
#0 / 1760
Division (F30-34)
#0 / 408
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
22:34
Rank: #2989
Start → 2M
22:34 | 11:17/mi
4M
44:06
Rank: #2872 (+117)
2M → 4M
21:32 | 10:46/mi
6M
1:11:23
Rank: #2837 (+35)
4M → 6M
27:17 | 13:38/mi
8M
1:28:47
Rank: #2820 (+17)
6M → 8M
17:24 | 8:42/mi
10M
1:52:45
Rank: #2816 (+4)
8M → 10M
23:58 | 11:59/mi
12M
2:16:19
Rank: #2733 (+83)
10M → 12M
23:34 | 11:47/mi
Finish· 13.11 mi
2:28:00
Rank: #2661 (+72)
12M → Finish
11:41 | 10:32/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:11:23
Pace11:54 /mi
2nd Half
Distance7.11 mi
Time1:16:37
Pace10:47 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi09:00:5822:3411:1722:34
11:17
-
4M
4.00 mi09:22:3044:0611:0221:32
10:46
-0:31
6M
6.00 mi09:49:471:11:2311:5427:17
13:38
+2:52
8M
8.00 mi10:07:111:28:4711:0617:24
8:42
-4:56
10M
10.00 mi10:31:091:52:4511:1723:58
11:59
+3:17
12M
12.00 mi10:54:432:16:1911:2223:34
11:47
-0:12
Finish
13.11 mi11:06:242:28:0011:1711:41
10:32
-1:15

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

8:42 /mi

Average Pace

11:17 /mi

Slowest Pace

13:38 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:05

20% of race

Time at Steady Pace

1:31:38

62% of race

Time at Slower Pace

27:17

18% of race

Average Pace: 11:17 /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 mi09:00:5822:3411:1722:34
11:17
#2989
4M
4.00 mi09:22:3044:0611:0221:32
10:46
#2872
6M
6.00 mi09:49:471:11:2311:5427:17
13:38
#2837
8M
8.00 mi10:07:111:28:4711:0617:24
8:42
#2820
10M
10.00 mi10:31:091:52:4511:1723:58
11:59
#2816
12M
12.00 mi10:54:432:16:1911:2223:34
11:47
#2733
Finish
13.11 mi11:06:242:28:0011:1711:41
10:32
#2661
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi298912333002336(Top 61%)914(Top 52%)233(Top 57%)
4M4.00 mi2.00 mi2872+1171166+67287+132777(Top 72%)1111(Top 63%)278(Top 68%)
6M6.00 mi2.00 mi2837+351148+18288-12782(Top 72%)1116(Top 63%)281(Top 69%)
8M8.00 mi2.00 mi2820+171139+9290-22773(Top 72%)1120(Top 64%)286(Top 70%)
10M10.00 mi2.00 mi2816+41135+42902770(Top 72%)1121(Top 64%)281(Top 69%)
12M12.00 mi2.00 mi2733+831098+37281+92336(Top 61%)914(Top 52%)233(Top 57%)
Finish13.11 mi1.11 mi2661+721060+38271+101882(Top 49%)691(Top 39%)174(Top 43%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 61%
×9stories
+138ft-68ft

Overall

2336

Females

914

F30-34

233

2M→4M

2.0 - 4.0 mi

Top 72%
×13stories
+163ft-19ft

Overall

2777

Females

1111

F30-34

279

4M→6M

4.0 - 6.0 mi

Top 72%
×4stories
+55ft-83ft

Overall

2782

Females

1116

F30-34

281

6M→8M

6.0 - 8.0 mi

Top 72%
×10stories
+65ft-151ft

Overall

2773

Females

1120

F30-34

286

8M→10M

8.0 - 10.0 mi

Top 72%
×10stories
+61ft-174ft

Overall

2770

Females

1121

F30-34

281

10M→12M

10.0 - 12.0 mi

Top 61%
×3stories
+41ft-53ft

Overall

2336

Females

914

F30-34

233

12M→Finish

12.0 - 13.1 mi

Top 49%
×1human
+6ft-6ft

Overall

1882

Females

691

F30-34

174

Passing Analysis

Category:
Athletes Passed
473*
Passed By
145
Net Change
+328
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2989
2M → 4M15134+117#2989#2872
4M → 6M8348+35#2872#2837
6M → 8M4427+17#2837#2820
8M → 10M31*27+4#2820#2816
10M → 12M918+83#2816#2733
12M → Finish73*1+72#2733#2661
TOTALS473*145+328

* 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