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SF MARATHON 1ST HALF 2026

Karin Ng

Bib: 16063•F•Age: 33

Sunnyvale, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 41%
Gender (Female)
#0 / 2930
Top 28%
Division (F30-34)
#0 / 651
Top 28%
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
10:06/mi
20:12
→ flat
4M
10:00/mi
40:11
↑ 67↓ 69
6M
10:04/mi
1:00:19
↑ 1231.1%
8M
9:43/mi
1:19:45
↑ 166↓ 531.1%
9.6M
9:43/mi
1:35:17
↑ 68↓ 1931.5%
10M
18:26/mi
1:42:39
↓ 241.1%
10.5M
4:52/mi
1:45:05
↓ 732.7%
12M
14:08/mi
2:06:17
↑ 2803.2%
Finish· 13.11 mi
10:05/mi
2:17:28
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:19
Pace10:03 /mi
2nd Half
Distance7.11 mi
Time1:17:09
Pace10:51 /mi
📊Positive Split: 27.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:4120:1210:0620:12
10:06
-
4M
4.00 mi07:30:4040:1110:0319:59
10:00
-0:06
6M
6.00 mi07:50:481:00:1910:0320:08
10:04
+0:04
8M
8.00 mi08:10:141:19:459:5819:26
9:43
-0:21
9.6M
9.60 mi08:25:461:35:179:5615:32
9:43
0:00
10M
10.00 mi08:33:081:42:3910:167:22
18:26
+8:43
10.5M
10.50 mi08:35:341:45:0510:002:26
4:52
-13:34
12M
12.00 mi08:56:462:06:1710:3121:12
14:08
+9:16
Finish
13.11 mi09:07:572:17:2810:2911:11
10:05
-4:03

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

4:52 /mi

Average Pace

10:29 /mi

Slowest Pace

18:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26

2% of race

Time at Steady Pace

1:46:28

77% of race

Time at Slower Pace

28:34

21% of race

Average Pace: 10:29 /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 mi07:10:4120:1210:0620:12
10:06
#3189
4M
4.00 mi07:30:4040:1110:0319:59
10:00
#2934
6M
6.00 mi07:50:481:00:1910:0320:08
10:04
#2833
8M
8.00 mi08:10:141:19:459:5819:26
9:43
#2606
9.6M
9.60 mi08:25:461:35:179:5615:32
9:43
#2742
10M
10.00 mi08:33:081:42:3910:167:22
18:26
#2699
10.5M
10.50 mi08:35:341:45:0510:002:26
4:52
#2697
12M
12.00 mi08:56:462:06:1710:3121:12
14:08
#2691
Finish
13.11 mi09:07:572:17:2810:2911:11
10:05
#2687
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 40%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:48

Segment Time

10:54/mi

Pace

0.90 mi

Distance

Overall

2614

Women

811

Division

180

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi318910402422843(Top 43%)947(Top 32%)204(Top 31%)
4M4.00 mi2.00 mi2934+255910+130209+332781(Top 42%)847(Top 29%)188(Top 29%)
6M6.00 mi2.00 mi2833+101870+40194+152764(Top 42%)826(Top 28%)179(Top 27%)
8M8.00 mi2.00 mi2606+227757+113169+252021(Top 31%)510(Top 17%)121(Top 19%)
9.6M9.60 mi1.60 mi2742-136833-76186-173622(Top 55%)1394(Top 48%)319(Top 49%)
10M10.00 mi0.40 mi2699+43818+15184+22643(Top 40%)840(Top 29%)184(Top 28%)
10.5M10.50 mi0.50 mi2697+2823-51842792(Top 42%)900(Top 31%)196(Top 30%)
12M12.00 mi1.50 mi2691+6824-11842843(Top 43%)947(Top 32%)204(Top 31%)
Finish13.11 mi1.11 mi2687+4822+2183+12948(Top 45%)997(Top 34%)220(Top 34%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 43%
~flat
+5ft-3ft

Overall

2843

Females

947

F30-34

205

2M→4M

2.0 - 4.0 mi

Top 42%
×4story building
+67ft-69ft

Overall

2781

Females

847

F30-34

191

4M→6M

4.0 - 6.0 mi

Top 42%
×9story building
+123ft-9ft

Overall

2764

Females

826

F30-34

181

6M→8M

6.0 - 8.0 mi

Top 31%
×12story building
+166ft-53ft

Overall

2021

Females

510

F30-34

123

8M→9.6M

8.0 - 9.6 mi

Top 55%
×13story building
+68ft-193ft

Overall

3622

Females

1394

F30-34

321

9.6M→10M

9.6 - 10.0 mi

Top 40%
×2story building
+0ft-24ft

Overall

2643

Females

840

F30-34

186

10M→10.5M

10.0 - 10.5 mi

Top 42%
×6story building
+1ft-73ft

Overall

2792

Females

900

F30-34

197

10.5M→12M

10.5 - 12.0 mi

Top 43%
×21story building
+280ft-26ft

Overall

2843

Females

947

F30-34

205

12M→Finish

12.0 - 13.1 mi

Top 45%
×7story building
+14ft-89ft

Overall

2948

Females

997

F30-34

220

Passing Analysis

Category:
Athletes Passed
961*
Passed By
459
Net Change
+502
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3189
2M → 4M30348+255#3189#2934
4M → 6M16665+101#2934#2833
6M → 8M271*44+227#2833#2606
8M → 9.6M29165-136#2606#2742
9.6M → 10M6017+43#2742#2699
10M → 10.5M108+2#2699#2697
10.5M → 12M8074+6#2697#2691
12M → Finish42*38+4#2691#2687
TOTALS961*459+502

* 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