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SF MARATHON 1ST HALF 2026

Hailey Choi

Fremont, CA

Bib: 12356 F 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
F20-29
#0 / 353
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
10:37/mi
21:14
→ flat
4M
12:17/mi
45:48
↑ 67↓ 69
6M
12:17/mi
1:10:22
↑ 123
8M
14:40/mi
1:39:42
↑ 166↓ 53
9.6M
10:02/mi
1:55:46
↑ 68↓ 193
10M
24:59/mi
2:05:45
↓ 24
10.5M
5:52/mi
2:08:41
↓ 73
12M
19:42/mi
2:38:14
↑ 280
Finish· 13.11 mi
11:50/mi
2:51:21
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:10:2211:44 /mi⚡ faster
2nd Half
1:40:5914:12 /mi+43.5%
Positive split — 43.5% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
21:1410:372.00 mi21:14
10:37
-
4M
45:4811:272.00 mi24:34
12:17
+1:40
6M
1:10:2211:442.00 mi24:34
12:17
0:00
8M
1:39:4212:282.00 mi29:20
14:40
+2:23
9.6M
1:55:4612:041.60 mi16:04
10:02
-4:38
10M
2:05:4512:350.40 mi9:59
24:59
+14:57
10.5M
2:08:4112:150.50 mi2:56
5:52
-19:07
12M
2:38:1413:111.50 mi29:33
19:42
+13:50
Finish(13.11 mi)
2:51:2113:041.11 mi13:07
11:50
-7:52
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:52 /mi

Average Pace

13:04 /mi

Slowest Pace

24:59 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:56

2% of race

Time at Steady Pace

2:08:53

75% of race

Time at Slower Pace

39:32

23% of race

Average Pace: 13:04 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 84%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:55

Segment Time

14:21/mi

Pace

0.90 mi

Distance

Overall

5496

Women

2315

Division

302

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi4121146619460802661338
4M2.00 mi5092-9711998-532262-6856772353307
6M2.00 mi5190-982044-46267-553452144283
8M2.00 mi5681-4912334-290306-3961782652333
9.6M1.60 mi5462+2192207+127289+1740451603205
10M0.40 mi5498-362236-29292-356202398306
10.5M0.50 mi5489+92233+329251542101277
12M1.50 mi5717-2282377-144304-1260802661338
Finish(13.11 mi)1.11 mi5635+822342+35303+147881951254

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 92%
~flat
+5ft-3ft

Overall

6080

Females

2661

F20-24

338

2M→4M

2.0 - 4.0 mi

Top 86%
×4story building
+67ft-69ft

Overall

5677

Females

2353

F20-24

308

4M→6M

4.0 - 6.0 mi

Top 81%
×9story building
+123ft-9ft

Overall

5345

Females

2144

F20-24

284

6M→8M

6.0 - 8.0 mi

Top 94%
×12story building
+166ft-53ft

Overall

6178

Females

2652

F20-24

333

8M→9.6M

8.0 - 9.6 mi

Top 62%
×13story building
+68ft-193ft

Overall

4045

Females

1603

F20-24

205

9.6M→10M

9.6 - 10.0 mi

Top 85%
×2story building
+0ft-24ft

Overall

5620

Females

2398

F20-24

306

10M→10.5M

10.0 - 10.5 mi

Top 78%
×6story building
+1ft-73ft

Overall

5154

Females

2101

F20-24

277

10.5M→12M

10.5 - 12.0 mi

Top 92%
×21story building
+280ft-26ft

Overall

6080

Females

2661

F20-24

338

12M→Finish

12.0 - 13.1 mi

Top 73%
×7story building
+14ft-89ft

Overall

4788

Females

1951

F20-24

254

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4121
2M → 4M
99120-971
#4121 → #5092
4M → 6M
18991*-98
#5092 → #5190
6M → 8M
5009*-491
#5190 → #5681
8M → 9.6M
22241+219
#5681 → #5462
9.6M → 10M
6327-36
#5462 → #5498
10M → 10.5M
09+9
#5498 → #5489
10.5M → 12M
24012*-228
#5489 → #5717
12M → Finish
1092*+82
#5717 → #5635
TOTALS
2015501*-1514
#4121 → #5635

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

Passing Visualized

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