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SF MARATHON 1ST HALF 2026

Christine Sih Chin Ng

Bib: 18037•F•Age: 28

menlo park, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 6%
Gender (Female)
#0 / 2930
Top 2%
Division (F25-29)
#0 / 674
Top 1%
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
7:35/mi
15:11
→ flat
4M
7:37/mi
30:25
↑ 67↓ 69
6M
7:55/mi
46:15
↑ 1231.1%
8M
8:54/mi
1:04:03
↑ 166↓ 531.1%
9.6M
6:14/mi
1:14:02
↑ 68↓ 1931.5%
10M
14:18/mi
1:19:45
↓ 241.1%
10.5M
3:58/mi
1:21:44
↓ 732.7%
12M
11:17/mi
1:38:40
↑ 2803.2%
Finish· 13.11 mi
8:08/mi
1:47:41
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time46:15
Pace7:43 /mi
2nd Half
Distance7.11 mi
Time1:01:26
Pace8:38 /mi
📊Positive Split: 32.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:47:4215:117:3515:11
7:35
-
4M
4.00 mi07:02:5630:257:3615:14
7:37
+0:02
6M
6.00 mi07:18:4646:157:4315:50
7:55
+0:18
8M
8.00 mi07:36:341:04:038:0017:48
8:54
+0:59
9.6M
9.60 mi07:46:331:14:027:439:59
6:14
-2:40
10M
10.00 mi07:52:161:19:457:595:43
14:18
+8:04
10.5M
10.50 mi07:54:151:21:447:471:59
3:58
-10:20
12M
12.00 mi08:11:111:38:408:1316:56
11:17
+7:19
Finish
13.11 mi08:20:121:47:418:139:01
8:08
-3:09

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

3:58 /mi

Average Pace

8:13 /mi

Slowest Pace

14:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

11:58

11% of race

Time at Steady Pace

1:13:04

68% of race

Time at Slower Pace

22:39

21% of race

Average Pace: 8:13 /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 mi06:47:4215:117:3515:11
7:35
#292
4M
4.00 mi07:02:5630:257:3615:14
7:37
#269
6M
6.00 mi07:18:4646:157:4315:50
7:55
#302
8M
8.00 mi07:36:341:04:038:0017:48
8:54
#437
9.6M
9.60 mi07:46:331:14:027:439:59
6:14
#353
10M
10.00 mi07:52:161:19:457:595:43
14:18
#350
10.5M
10.50 mi07:54:151:21:447:471:59
3:58
#351
12M
12.00 mi08:11:111:38:408:1316:56
11:17
#394
Finish
13.11 mi08:20:121:47:418:139:01
8:08
#393
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 7%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:42

Segment Time

8:33/mi

Pace

0.90 mi

Distance

Overall

440

Women

68

Division

10

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2.00 mi292406766(Top 12%)156(Top 5%)32(Top 5%)
4M4.00 mi2.00 mi269+2336+45+1246(Top 4%)34(Top 1%)3(Top 0.4%)
6M6.00 mi2.00 mi302-3344-85428(Top 7%)65(Top 2%)6(Top 0.9%)
8M8.00 mi2.00 mi437-13562-1810-51177(Top 18%)237(Top 8%)52(Top 8%)
9.6M9.60 mi1.60 mi353+8451+116+4242(Top 4%)48(Top 2%)8(Top 1%)
10M10.00 mi0.40 mi350+352-16479(Top 7%)94(Top 3%)10(Top 1%)
10.5M10.50 mi0.50 mi351-153-16555(Top 8%)86(Top 3%)15(Top 2%)
12M12.00 mi1.50 mi394-4361-86766(Top 12%)156(Top 5%)32(Top 5%)
Finish13.11 mi1.11 mi393+159+27-1696(Top 11%)121(Top 4%)30(Top 4%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 12%
~flat
+5ft-3ft

Overall

766

Females

156

F25-29

32

2M→4M

2.0 - 4.0 mi

Top 4%
×4story building
+67ft-69ft

Overall

246

Females

34

F25-29

3

4M→6M

4.0 - 6.0 mi

Top 7%
×9story building
+123ft-9ft

Overall

428

Females

65

F25-29

6

6M→8M

6.0 - 8.0 mi

Top 18%
×12story building
+166ft-53ft

Overall

1177

Females

237

F25-29

52

8M→9.6M

8.0 - 9.6 mi

Top 4%
×13story building
+68ft-193ft

Overall

242

Females

48

F25-29

8

9.6M→10M

9.6 - 10.0 mi

Top 7%
×2story building
+0ft-24ft

Overall

479

Females

94

F25-29

10

10M→10.5M

10.0 - 10.5 mi

Top 8%
×6story building
+1ft-73ft

Overall

555

Females

86

F25-29

15

10.5M→12M

10.5 - 12.0 mi

Top 12%
×21story building
+280ft-26ft

Overall

766

Females

156

F25-29

32

12M→Finish

12.0 - 13.1 mi

Top 11%
×7story building
+14ft-89ft

Overall

696

Females

121

F25-29

30

Passing Analysis

Category:
Athletes Passed
164*
Passed By
265
Net Change
-101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#292
2M → 4M296+23#292#269
4M → 6M942-33#269#302
6M → 8M3138-135#302#437
8M → 9.6M906+84#437#353
9.6M → 10M63+3#353#350
10M → 10.5M12-1#350#351
10.5M → 12M447-43#351#394
12M → Finish22*21+1#394#393
TOTALS164*265-101

* 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