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SF MARATHON 2ND HALF 2026

Shall Chee Shih

Bib: 22370•F•Age: 29

Santa Clara, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 5%
Gender (Female)
#0 / 1760
Top 2%
Division (F25-29)
#0 / 495
Top 2%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
14:07
Rank: #178
Start → 2M
7:03/mi
14:07 split
4M
27:28
Rank: #186 (-8)
2M → 4M
6:41/mi
13:21 split
6M
45:17
Rank: #192 (-6)
4M → 6M
8:54/mi
17:49 split
8M
56:30
Rank: #201 (-9)
6M → 8M
5:36/mi
11:13 split
10M
1:11:11
Rank: #197 (+4)
8M → 10M
7:21/mi
14:41 split
12M
1:26:23
Rank: #191 (+6)
10M → 12M
7:36/mi
15:12 split
Finish· 13.11 mi
1:34:36
Rank: #190 (+1)
12M → Finish
7:24/mi
8:13 split

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time45:17
Pace7:33 /mi
2nd Half
Distance7.11 mi
Time49:19
Pace6:56 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:44:2114:077:0314:07
7:03
-
4M
4.00 mi08:57:4227:286:5213:21
6:41
-0:22
6M
6.00 mi09:15:3145:177:3317:49
8:54
+2:13
8M
8.00 mi09:26:4456:307:0411:13
5:36
-3:18
10M
10.00 mi09:41:251:11:117:0714:41
7:21
+1:45
12M
12.00 mi09:56:371:26:237:1215:12
7:36
+0:15
Finish
13.11 mi10:04:501:34:367:138:13
7:24
-0:12

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

5:36 /mi

Average Pace

7:13 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:34

26% of race

Time at Steady Pace

52:13

55% of race

Time at Slower Pace

17:49

19% of race

Average Pace: 7:13 /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 mi08:44:2114:077:0314:07
7:03
#178
4M
4.00 mi08:57:4227:286:5213:21
6:41
#186
6M
6.00 mi09:15:3145:177:3317:49
8:54
#192
8M
8.00 mi09:26:4456:307:0411:13
5:36
#201
10M
10.00 mi09:41:251:11:117:0714:41
7:21
#197
12M
12.00 mi09:56:371:26:237:1215:12
7:36
#191
Finish
13.11 mi10:04:501:34:367:138:13
7:24
#190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi1783412184(Top 5%)36(Top 2%)10(Top 2%)
4M4.00 mi2.00 mi186-835-111+1188(Top 5%)33(Top 2%)10(Top 2%)
6M6.00 mi2.00 mi192-634+111205(Top 5%)37(Top 2%)10(Top 2%)
8M8.00 mi2.00 mi201-936-211230(Top 6%)41(Top 2%)12(Top 2%)
10M10.00 mi2.00 mi197+435+111182(Top 5%)35(Top 2%)11(Top 2%)
12M12.00 mi2.00 mi191+63510+1184(Top 5%)36(Top 2%)10(Top 2%)
Finish13.11 mi1.11 mi190+13510210(Top 5%)42(Top 2%)9(Top 2%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 5%
×9story building
+138ft-68ft

Overall

184

Females

36

F25-29

10

2M→4M

2.0 - 4.0 mi

Top 5%
×13story building
+163ft-19ft

Overall

188

Females

33

F25-29

10

4M→6M

4.0 - 6.0 mi

Top 5%
×4story building
+55ft-83ft

Overall

205

Females

37

F25-29

11

6M→8M

6.0 - 8.0 mi

Top 6%
×10story building
+65ft-151ft

Overall

230

Females

41

F25-29

12

8M→10M

8.0 - 10.0 mi

Top 5%
×10story building
+61ft-174ft

Overall

182

Females

35

F25-29

11

10M→12M

10.0 - 12.0 mi

Top 5%
×3story building
+41ft-53ft

Overall

184

Females

36

F25-29

10

12M→Finish

12.0 - 13.1 mi

Top 5%
×1human
+6ft-6ft

Overall

210

Females

42

F25-29

9

Passing Analysis

Category:
Athletes Passed
31
Passed By
43
Net Change
-12
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#178
2M → 4M614-8#178#186
4M → 6M511-6#186#192
6M → 8M312-9#192#201
8M → 10M62+4#201#197
10M → 12M82+6#197#191
12M → Finish32+1#191#190
TOTALS3143-12
📊

Passing Visuals

Category:
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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