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SF MARATHON 1ST HALF 2026

Suiwen Zou

Bib: 15645•F•Age: 37

Foster City, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 41%
Gender (Female)
#0 / 2930
Top 28%
Division (F35-39)
#0 / 388
Top 31%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:44/mi
19:29
→ flat
4M
9:33/mi
38:35
↑ 67↓ 69
6M
9:45/mi
58:06
↑ 1231.1%
8M
10:49/mi
1:19:44
↑ 166↓ 531.1%
9.6M
8:06/mi
1:32:41
↑ 68↓ 1931.5%
10M
31:47/mi
1:45:23
↓ 241.1%
10.5M
4:18/mi
1:47:32
↓ 732.7%
12M
13:08/mi
2:07:14
↑ 2803.2%
Finish· 13.11 mi
9:26/mi
2:17:42
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time58:06
Pace9:41 /mi
2nd Half
Distance7.11 mi
Time1:19:36
Pace11:12 /mi
📊Positive Split: 37.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:56:5819:299:4419:29
9:44
-
4M
4.00 mi07:16:0438:359:3919:06
9:33
-0:11
6M
6.00 mi07:35:3558:069:4119:31
9:45
+0:12
8M
8.00 mi07:57:131:19:449:5821:38
10:49
+1:04
9.6M
9.60 mi08:10:101:32:419:3912:57
8:06
-2:43
10M
10.00 mi08:22:521:45:2310:3212:42
31:47
+23:41
10.5M
10.50 mi08:25:011:47:3210:142:09
4:18
-27:29
12M
12.00 mi08:44:432:07:1410:3619:42
13:08
+8:50
Finish
13.11 mi08:55:112:17:4210:3010:28
9:26
-3:42

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

4:18 /mi

Average Pace

10:30 /mi

Slowest Pace

31:47 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09

2% of race

Time at Steady Pace

2:02:51

89% of race

Time at Slower Pace

12:42

9% of race

Average Pace: 10:30 /mi

Loading chart...
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 mi06:56:5819:299:4419:29
9:44
#2632
4M
4.00 mi07:16:0438:359:3919:06
9:33
#2365
6M
6.00 mi07:35:3558:069:4119:31
9:45
#2327
8M
8.00 mi07:57:131:19:449:5821:38
10:49
#2603
9.6M
9.60 mi08:10:101:32:419:3912:57
8:06
#2368
10M
10.00 mi08:22:521:45:2310:3212:42
31:47
#3050
10.5M
10.50 mi08:25:011:47:3210:142:09
4:18
#3003
12M
12.00 mi08:44:432:07:1410:3619:42
13:08
#2794
Finish
13.11 mi08:55:112:17:4210:3010:28
9:26
#2706
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 94%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:51

Segment Time

16:30/mi

Pace

0.90 mi

Distance

Overall

6184

Women

2723

Division

363

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi2.00 mi26327801132037(Top 31%)591(Top 20%)78(Top 20%)
4M4.00 mi2.00 mi2365+267671+10999+142184(Top 33%)587(Top 20%)88(Top 23%)
6M6.00 mi2.00 mi2327+38663+8992363(Top 36%)678(Top 23%)95(Top 24%)
8M8.00 mi2.00 mi2603-276754-91109-103335(Top 51%)1071(Top 37%)147(Top 38%)
9.6M9.60 mi1.60 mi2368+235683+7198+111632(Top 25%)541(Top 18%)72(Top 19%)
10M10.00 mi0.40 mi3050-682966-283133-356486(Top 99%)2892(Top 99%)380(Top 98%)
10.5M10.50 mi0.50 mi3003+47948+18130+31334(Top 20%)299(Top 10%)44(Top 11%)
12M12.00 mi1.50 mi2794+209868+80121+92037(Top 31%)591(Top 20%)78(Top 20%)
Finish13.11 mi1.11 mi2706+88834+34119+22178(Top 33%)637(Top 22%)80(Top 21%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 31%
~flat
+5ft-3ft

Overall

2037

Females

591

F35-39

78

2M→4M

2.0 - 4.0 mi

Top 33%
×4story building
+67ft-69ft

Overall

2184

Females

587

F35-39

88

4M→6M

4.0 - 6.0 mi

Top 36%
×9story building
+123ft-9ft

Overall

2363

Females

678

F35-39

95

6M→8M

6.0 - 8.0 mi

Top 51%
×12story building
+166ft-53ft

Overall

3335

Females

1071

F35-39

147

8M→9.6M

8.0 - 9.6 mi

Top 25%
×13story building
+68ft-193ft

Overall

1632

Females

541

F35-39

72

9.6M→10M

9.6 - 10.0 mi

Top 99%
×2story building
+0ft-24ft

Overall

6486

Females

2892

F35-39

380

10M→10.5M

10.0 - 10.5 mi

Top 20%
×6story building
+1ft-73ft

Overall

1334

Females

299

F35-39

44

10.5M→12M

10.5 - 12.0 mi

Top 31%
×21story building
+280ft-26ft

Overall

2037

Females

591

F35-39

78

12M→Finish

12.0 - 13.1 mi

Top 33%
×7story building
+14ft-89ft

Overall

2178

Females

637

F35-39

80

Passing Analysis

Category:
Athletes Passed
1074*
Passed By
1148
Net Change
-74
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2632
2M → 4M28922+267#2632#2365
4M → 6M10870+38#2365#2327
6M → 8M33*309-276#2327#2603
8M → 9.6M27237+235#2603#2368
9.6M → 10M0682-682#2368#3050
10M → 10.5M470+47#3050#3003
10.5M → 12M23122+209#3003#2794
12M → Finish94*6+88#2794#2706
TOTALS1074*1148-74

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

📊

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

Race Place Events

Race Place Events