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SF MARATHON 1ST HALF 2026

Sandy Nguyen

Bib: 18547•F•Age: 32

South San Francisco, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F30-34)
#0 / 651
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
10:58/mi
21:57
→ flat
4M
12:35/mi
47:06
↑ 67↓ 69
6M
12:46/mi
1:12:39
↑ 1231.1%
8M
13:39/mi
1:39:58
↑ 166↓ 531.1%
9.6M
10:20/mi
1:56:30
↑ 68↓ 1931.5%
10M
24:29/mi
2:06:17
↓ 241.1%
10.5M
5:56/mi
2:09:15
↓ 732.7%
12M
19:07/mi
2:37:55
↑ 2803.2%
Finish· 13.11 mi
12:11/mi
2:51:26
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:12:39
Pace12:07 /mi
2nd Half
Distance7.11 mi
Time1:38:47
Pace13:54 /mi
📊Positive Split: 36.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:11:5721:5710:5821:57
10:58
-
4M
4.00 mi07:37:0647:0611:4725:09
12:35
+1:37
6M
6.00 mi08:02:391:12:3912:0725:33
12:46
+0:11
8M
8.00 mi08:29:581:39:5812:3027:19
13:39
+0:53
9.6M
9.60 mi08:46:301:56:3012:0816:32
10:20
-3:19
10M
10.00 mi08:56:172:06:1712:389:47
24:29
+14:09
10.5M
10.50 mi08:59:152:09:1512:192:58
5:56
-18:33
12M
12.00 mi09:27:552:37:5513:1028:40
19:07
+13:11
Finish
13.11 mi09:41:262:51:2613:0513:31
12:11
-6:56

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

5:56 /mi

Average Pace

13:05 /mi

Slowest Pace

24:29 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58

2% of race

Time at Steady Pace

2:10:01

76% of race

Time at Slower Pace

38:27

22% of race

Average Pace: 13:05 /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 mi07:11:5721:5710:5821:57
10:58
#4670
4M
4.00 mi07:37:0647:0611:4725:09
12:35
#5461
6M
6.00 mi08:02:391:12:3912:0725:33
12:46
#5553
8M
8.00 mi08:29:581:39:5812:3027:19
13:39
#5705
9.6M
9.60 mi08:46:301:56:3012:0816:32
10:20
#5523
10M
10.00 mi08:56:172:06:1712:389:47
24:29
#5555
10.5M
10.50 mi08:59:152:09:1512:192:58
5:56
#5535
12M
12.00 mi09:27:552:37:5513:1028:40
19:07
#5693
Finish
13.11 mi09:41:262:51:2613:0513:31
12:11
#5644
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 82%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:45

Segment Time

14:10/mi

Pace

0.90 mi

Distance

Overall

5392

Women

2258

Division

524

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi467017514085906(Top 90%)2561(Top 87%)576(Top 88%)
4M4.00 mi2.00 mi5461-7912217-466513-1055897(Top 90%)2493(Top 85%)573(Top 88%)
6M6.00 mi2.00 mi5553-922251-34523-105703(Top 87%)2354(Top 80%)550(Top 84%)
8M8.00 mi2.00 mi5705-1522352-101544-215816(Top 88%)2421(Top 83%)560(Top 86%)
9.6M9.60 mi1.60 mi5523+1822246+106531+134382(Top 67%)1754(Top 60%)399(Top 61%)
10M10.00 mi0.40 mi5555-322269-23529+25477(Top 83%)2309(Top 79%)529(Top 81%)
10.5M10.50 mi0.50 mi5535+202257+12527+25274(Top 80%)2170(Top 74%)493(Top 76%)
12M12.00 mi1.50 mi5693-1582362-105548-215906(Top 90%)2561(Top 87%)576(Top 88%)
Finish13.11 mi1.11 mi5644+492348+14544+45048(Top 77%)2104(Top 72%)485(Top 75%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 90%
~flat
+5ft-3ft

Overall

5906

Females

2561

F30-34

578

2M→4M

2.0 - 4.0 mi

Top 90%
×4story building
+67ft-69ft

Overall

5897

Females

2493

F30-34

576

4M→6M

4.0 - 6.0 mi

Top 87%
×9story building
+123ft-9ft

Overall

5703

Females

2354

F30-34

553

6M→8M

6.0 - 8.0 mi

Top 88%
×12story building
+166ft-53ft

Overall

5816

Females

2421

F30-34

562

8M→9.6M

8.0 - 9.6 mi

Top 67%
×13story building
+68ft-193ft

Overall

4382

Females

1754

F30-34

401

9.6M→10M

9.6 - 10.0 mi

Top 83%
×2story building
+0ft-24ft

Overall

5477

Females

2309

F30-34

531

10M→10.5M

10.0 - 10.5 mi

Top 80%
×6story building
+1ft-73ft

Overall

5274

Females

2170

F30-34

495

10.5M→12M

10.5 - 12.0 mi

Top 90%
×21story building
+280ft-26ft

Overall

5906

Females

2561

F30-34

578

12M→Finish

12.0 - 13.1 mi

Top 77%
×7story building
+14ft-89ft

Overall

5048

Females

2104

F30-34

485

Passing Analysis

Category:
Athletes Passed
513*
Passed By
1487
Net Change
-974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4670
2M → 4M18809-791#4670#5461
4M → 6M83*175-92#5461#5553
6M → 8M51*203-152#5553#5705
8M → 9.6M21533+182#5705#5523
9.6M → 10M3163-32#5523#5555
10M → 10.5M266+20#5555#5535
10.5M → 12M18*176-158#5535#5693
12M → Finish71*22+49#5693#5644
TOTALS513*1487-974

* 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