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SF MARATHON 1ST HALF 2026

Jiwon Lee

San Jose, CA

Bib: 18425 F 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 35%
Gender (Female)
#0 / 2930
Top 23%
F20-29
#0 / 353
Top 26%
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
9:54/mi
19:49
→ flat
4M
9:32/mi
38:52
↑ 67↓ 69
6M
9:32/mi
57:55
↑ 123
8M
10:12/mi
1:18:19
↑ 166↓ 53
9.6M
10:12/mi
1:34:39
↑ 68↓ 193
10M
16:49/mi
1:41:22
↓ 24
10.5M
4:44/mi
1:43:44
↓ 73
12M
13:09/mi
2:03:28
↑ 280
Finish· 13.11 mi
8:43/mi
2:13:08
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
57:559:39 /mi⚡ faster
2nd Half
1:15:1310:35 /mi+29.9%
Positive split — 29.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
19:499:542.00 mi19:49
9:54
-
4M
38:529:432.00 mi19:03
9:32
-0:22
6M
57:559:392.00 mi19:03
9:32
0:00
8M
1:18:199:472.00 mi20:24
10:12
+0:40
9.6M
1:34:399:521.60 mi16:20
10:12
0:00
10M
1:41:2210:080.40 mi6:43
16:49
+6:37
10.5M
1:43:449:530.50 mi2:22
4:44
-12:05
12M
2:03:2810:171.50 mi19:44
13:09
+8:25
Finish(13.11 mi)
2:13:0810:091.11 mi9:40
8:43
-4:26
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:44 /mi

Average Pace

10:09 /mi

Slowest Pace

16:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:22

2% of race

Time at Steady Pace

1:44:19

78% of race

Time at Slower Pace

26:27

20% of race

Average Pace: 10:09 /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 27%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:05

Segment Time

10:06/mi

Pace

0.90 mi

Distance

Overall

1797

Women

467

Division

69

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2873889114206160396
4M2.00 mi2463+410716+17391+23213856976
6M2.00 mi2290+173643+7386+5209557176
8M2.00 mi2345-55638+583+3263375097
9.6M1.60 mi2634-289788-150105-2242571696218
10M0.40 mi2530+104748+40101+4171845671
10.5M0.50 mi2519+11746+2102-12437735103
12M1.50 mi2402+117707+3997+5206160396
Finish(13.11 mi)1.11 mi2295+107664+4392+5133531453

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 31%
~flat
+5ft-3ft

Overall

2061

Females

603

F20-24

96

2M→4M

2.0 - 4.0 mi

Top 33%
×4story building
+67ft-69ft

Overall

2138

Females

569

F20-24

77

4M→6M

4.0 - 6.0 mi

Top 32%
×9story building
+123ft-9ft

Overall

2095

Females

571

F20-24

77

6M→8M

6.0 - 8.0 mi

Top 40%
×12story building
+166ft-53ft

Overall

2633

Females

750

F20-24

97

8M→9.6M

8.0 - 9.6 mi

Top 65%
×13story building
+68ft-193ft

Overall

4257

Females

1696

F20-24

218

9.6M→10M

9.6 - 10.0 mi

Top 26%
×2story building
+0ft-24ft

Overall

1718

Females

456

F20-24

71

10M→10.5M

10.0 - 10.5 mi

Top 37%
×6story building
+1ft-73ft

Overall

2437

Females

735

F20-24

103

10.5M→12M

10.5 - 12.0 mi

Top 31%
×21story building
+280ft-26ft

Overall

2061

Females

603

F20-24

96

12M→Finish

12.0 - 13.1 mi

Top 20%
×7story building
+14ft-89ft

Overall

1335

Females

314

F20-24

53

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2873
2M → 4M
15425+410
#2873 → #2463
4M → 6M
19192+173
#2463 → #2290
6M → 8M
15297*-55
#2290 → #2345
8M → 9.6M
2956-289
#2345 → #2634
9.6M → 10M
0104+104
#2634 → #2530
10M → 10.5M
617+11
#2530 → #2519
10.5M → 12M
18135+117
#2519 → #2402
12M → Finish
2109*+107
#2402 → #2295
TOTALS
5071085*+578
#2873 → #2295

* 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