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SF MARATHON 1ST HALF 2026

Sarah Chang

Millbrae, CA

Bib: 18275 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
12:33/mi
25:07
→ flat
4M
13:03/mi
51:12
↑ 67↓ 69
6M
13:32/mi
1:18:16
↑ 123
8M
11:50/mi
1:41:56
↑ 166↓ 53
9.6M
11:50/mi
2:00:52
↑ 68↓ 193
10.26M
11:08/mi
2:08:13
↓ 114
10.5M
9:35/mi
2:10:31
→ flat
12M
15:34/mi
2:33:52
↑ 280
Finish· 13.11 mi
9:53/mi
2:44:50
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:18:1613:03 /mi⚡ faster
2nd Half
1:26:3412:11 /mi+10.6%
Positive split — 10.6% 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
25:0712:332.00 mi25:07
12:33
-
4M
51:1212:482.00 mi26:05
13:03
+0:30
6M
1:18:1613:032.00 mi27:04
13:32
+0:29
8M
1:41:5612:442.00 mi23:40
11:50
-1:42
9.6M
2:00:5212:351.60 mi18:56
11:50
0:00
10.26M
2:08:1312:300.66 mi7:21
11:08
-0:42
10.5M
2:10:3112:260.24 mi2:18
9:35
-1:33
12M
2:33:5212:491.50 mi23:21
15:34
+5:59
Finish(13.11 mi)
2:44:5012:341.11 mi10:58
9:53
-5:41
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

9:35 /mi

Average Pace

12:34 /mi

Slowest Pace

15:34 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

13:16

8% of race

Time at Steady Pace

1:15:04

46% of race

Time at Slower Pace

1:16:30

46% of race

Average Pace: 12:34 /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 37%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:39

Segment Time

10:44/mi

Pace

0.90 mi

Distance

Overall

2424

Women

728

Division

106

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi6256270333939571480200
4M2.00 mi6199+572671+32338+161242628335
6M2.00 mi6188+112657+14337+161232616333
8M2.00 mi5892+2962467+190322+1544101601199
9.6M1.60 mi5922-302493-2632257122441300
10.26M0.66 mi5703+2192360+133305+172620828118
10.5M0.24 mi5647+562325+35302+3216362188
12M1.50 mi5381+2662184+141291+1139571480200
Finish(13.11 mi)1.11 mi5123+2582038+146274+172732887123

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 60%
~flat
+5ft-3ft

Overall

3957

Females

1480

F20-24

200

2M→4M

2.0 - 4.0 mi

Top 93%
×4story building
+67ft-69ft

Overall

6124

Females

2628

F20-24

336

4M→6M

4.0 - 6.0 mi

Top 93%
×9story building
+123ft-9ft

Overall

6123

Females

2616

F20-24

334

6M→8M

6.0 - 8.0 mi

Top 67%
×12story building
+166ft-53ft

Overall

4410

Females

1601

F20-24

199

8M→9.6M

8.0 - 9.6 mi

Top 87%
×13story building
+68ft-193ft

Overall

5712

Females

2441

F20-24

300

9.6M→10.26M

9.6 - 10.3 mi

Top 40%
×9story building
+0ft-114ft

Overall

2620

Females

828

F20-24

118

10.26M→10.5M

10.3 - 10.5 mi

Top 33%
~flat
+1ft-0ft

Overall

2163

Females

621

F20-24

88

10.5M→12M

10.5 - 12.0 mi

Top 60%
×21story building
+280ft-26ft

Overall

3957

Females

1480

F20-24

200

12M→Finish

12.0 - 13.1 mi

Top 42%
×7story building
+14ft-89ft

Overall

2732

Females

887

F20-24

123

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#6256
2M → 4M
66123*+57
#6256 → #6199
4M → 6M
5364*+11
#6199 → #6188
6M → 8M
0296*+296
#6188 → #5892
8M → 9.6M
10979-30
#5892 → #5922
9.6M → 10.26M
6225+219
#5922 → #5703
10.26M → 10.5M
056+56
#5703 → #5647
10.5M → 12M
19285*+266
#5647 → #5381
12M → Finish
0258*+258
#5381 → #5123
TOTALS
2531386*+1133
#6256 → #5123

* 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

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