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SF MARATHON 1ST HALF 2026

Emma Cao

Bib: 17342•F•Age: 19

Palo Alto, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 13%
Gender (Female)
#0 / 2930
Top 5%
F19 & Under
#0 / 83
Top 16%
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
8:29/mi
16:59
→ flat
4M
8:35/mi
34:09
↑ 67↓ 69
6M
8:40/mi
51:30
↑ 1231.1%
8M
8:21/mi
1:08:11
↑ 166↓ 531.1%
9.6M
8:21/mi
1:21:32
↑ 68↓ 1931.5%
10M
15:24/mi
1:27:41
↓ 241.1%
10.5M
4:00/mi
1:29:41
↓ 732.7%
12M
11:49/mi
1:47:25
↑ 2803.2%
Finish· 13.11 mi
8:15/mi
1:56:34
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time51:30
Pace8:35 /mi
2nd Half
Distance7.11 mi
Time1:05:04
Pace9:09 /mi
📊Positive Split: 26.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:2316:598:2916:59
8:29
-
4M
4.00 mi07:14:3334:098:3217:10
8:35
+0:06
6M
6.00 mi07:31:5451:308:3517:21
8:40
+0:05
8M
8.00 mi07:48:351:08:118:3116:41
8:21
-0:19
9.6M
9.60 mi08:01:561:21:328:3013:21
8:21
0:00
10M
10.00 mi08:08:051:27:418:466:09
15:24
+7:03
10.5M
10.50 mi08:10:051:29:418:322:00
4:00
-11:24
12M
12.00 mi08:27:491:47:258:5717:44
11:49
+7:49
Finish
13.11 mi08:36:581:56:348:549:09
8:15
-3:34

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

4:00 /mi

Average Pace

8:54 /mi

Slowest Pace

15:24 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00

2% of race

Time at Steady Pace

1:30:41

78% of race

Time at Slower Pace

23:53

20% of race

Average Pace: 8:53 /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 mi06:57:2316:598:2916:59
8:29
#907
4M
4.00 mi07:14:3334:098:3217:10
8:35
#914
6M
6.00 mi07:31:5451:308:3517:21
8:40
#935
8M
8.00 mi07:48:351:08:118:3116:41
8:21
#805
9.6M
9.60 mi08:01:561:21:328:3013:21
8:21
#926
10M
10.00 mi08:08:051:27:418:466:09
15:24
#907
10.5M
10.50 mi08:10:051:29:418:322:00
4:00
#897
12M
12.00 mi08:27:491:47:258:5717:44
11:49
#887
Finish
13.11 mi08:36:581:56:348:549:09
8:15
#854
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 12%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:09

Segment Time

9:03/mi

Pace

0.90 mi

Distance

Overall

788

Women

153

Division

12

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
2M2.00 mi2.00 mi907174151103(Top 17%)251(Top 9%)17(Top 20%)
4M4.00 mi2.00 mi914-7172+215934(Top 14%)178(Top 6%)16(Top 19%)
6M6.00 mi2.00 mi935-21173-1151012(Top 15%)195(Top 7%)13(Top 16%)
8M8.00 mi2.00 mi805+130141+3213+2675(Top 10%)93(Top 3%)10(Top 12%)
9.6M9.60 mi1.60 mi926-121174-3314-11913(Top 29%)640(Top 22%)27(Top 33%)
10M10.00 mi0.40 mi907+19172+213+1900(Top 14%)196(Top 7%)13(Top 16%)
10.5M10.50 mi0.50 mi897+10170+213636(Top 10%)106(Top 4%)9(Top 11%)
12M12.00 mi1.50 mi887+10165+5131103(Top 17%)251(Top 9%)17(Top 20%)
Finish13.11 mi1.11 mi854+33153+1213815(Top 12%)153(Top 5%)15(Top 18%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 17%
~flat
+5ft-3ft

Overall

1103

Females

251

F15-19

16

2M→4M

2.0 - 4.0 mi

Top 14%
×4story building
+67ft-69ft

Overall

934

Females

178

F15-19

16

4M→6M

4.0 - 6.0 mi

Top 15%
×9story building
+123ft-9ft

Overall

1012

Females

195

F15-19

13

6M→8M

6.0 - 8.0 mi

Top 10%
×12story building
+166ft-53ft

Overall

675

Females

93

F15-19

10

8M→9.6M

8.0 - 9.6 mi

Top 29%
×13story building
+68ft-193ft

Overall

1913

Females

640

F15-19

26

9.6M→10M

9.6 - 10.0 mi

Top 14%
×2story building
+0ft-24ft

Overall

900

Females

196

F15-19

12

10M→10.5M

10.0 - 10.5 mi

Top 10%
×6story building
+1ft-73ft

Overall

636

Females

106

F15-19

9

10.5M→12M

10.5 - 12.0 mi

Top 17%
×21story building
+280ft-26ft

Overall

1103

Females

251

F15-19

16

12M→Finish

12.0 - 13.1 mi

Top 12%
×7story building
+14ft-89ft

Overall

815

Females

153

F15-19

14

Passing Analysis

Category:
Athletes Passed
370*
Passed By
317
Net Change
+53
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#907
2M → 4M6067-7#907#914
4M → 6M3253-21#914#935
6M → 8M14919+130#935#805
8M → 9.6M8129-121#805#926
9.6M → 10M234+19#926#907
10M → 10.5M100+10#907#897
10.5M → 12M5040+10#897#887
12M → Finish38*5+33#887#854
TOTALS370*317+53

* 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