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SF MARATHON 1ST HALF 2026

Alyssa Gao

Sunnyvale, CA

Bib: 15789 F 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 25%
Gender (Female)
#0 / 2930
Top 13%
F20-29
#0 / 353
Top 15%
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
8:47/mi
17:34
→ flat
4M
9:27/mi
36:28
↑ 67↓ 69
6M
9:32/mi
55:32
↑ 123
8M
9:01/mi
1:13:33
↑ 166↓ 53
9.6M
9:01/mi
1:27:58
↑ 68↓ 193
10.26M
10:05/mi
1:34:37
↓ 114
10.5M
9:10/mi
1:36:49
→ flat
12M
12:37/mi
1:55:45
↑ 280
Finish· 13.11 mi
8:56/mi
2:05:39
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
55:329:15 /mi⚡ faster
2nd Half
1:10:079:52 /mi+26.3%
Positive split — 26.3% 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
17:348:472.00 mi17:34
8:47
-
4M
36:289:072.00 mi18:54
9:27
+0:40
6M
55:329:152.00 mi19:04
9:32
+0:05
8M
1:13:339:122.00 mi18:01
9:01
-0:31
9.6M
1:27:589:101.60 mi14:25
9:01
0:00
10.26M
1:34:379:130.66 mi6:39
10:05
+1:04
10.5M
1:36:499:130.24 mi2:12
9:10
-0:55
12M
1:55:459:391.50 mi18:56
12:37
+3:27
Finish(13.11 mi)
2:05:399:351.11 mi9:54
8:56
-3:41
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:47 /mi

Average Pace

9:35 /mi

Slowest Pace

12:37 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:40:04

80% of race

Time at Slower Pace

25:35

20% of race

Average Pace: 9:35 /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 23%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:51

Segment Time

9:50/mi

Pace

0.90 mi

Distance

Overall

1540

Women

373

Division

55

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi123626435166345271
4M2.00 mi1611-375378-11454-19204853672
6M2.00 mi1785-174434-5660-6209657277
8M2.00 mi1574+211353+8145+15129527435
9.6M1.60 mi1737-163430-7760-1527571004135
10.26M0.66 mi1713+24420+1058+2160640759
10.5M0.24 mi1703+10416+457+1159438351
12M1.50 mi1689+14419-357166345271
Finish(13.11 mi)1.11 mi1641+48395+2453+4156239462

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 25%
~flat
+5ft-3ft

Overall

1663

Females

452

F20-24

71

2M→4M

2.0 - 4.0 mi

Top 31%
×4story building
+67ft-69ft

Overall

2048

Females

536

F20-24

72

4M→6M

4.0 - 6.0 mi

Top 32%
×9story building
+123ft-9ft

Overall

2096

Females

572

F20-24

78

6M→8M

6.0 - 8.0 mi

Top 20%
×12story building
+166ft-53ft

Overall

1295

Females

274

F20-24

35

8M→9.6M

8.0 - 9.6 mi

Top 42%
×13story building
+68ft-193ft

Overall

2757

Females

1004

F20-24

135

9.6M→10.26M

9.6 - 10.3 mi

Top 24%
×9story building
+0ft-114ft

Overall

1606

Females

407

F20-24

59

10.26M→10.5M

10.3 - 10.5 mi

Top 24%
~flat
+1ft-0ft

Overall

1594

Females

383

F20-24

51

10.5M→12M

10.5 - 12.0 mi

Top 25%
×21story building
+280ft-26ft

Overall

1663

Females

452

F20-24

71

12M→Finish

12.0 - 13.1 mi

Top 24%
×7story building
+14ft-89ft

Overall

1562

Females

394

F20-24

62

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1236
2M → 4M
38611-375
#1236 → #1611
4M → 6M
19521-174
#1611 → #1785
6M → 8M
28239*+211
#1785 → #1574
8M → 9.6M
18421-163
#1574 → #1737
9.6M → 10.26M
1337+24
#1737 → #1713
10.26M → 10.5M
010+10
#1713 → #1703
10.5M → 12M
5973+14
#1703 → #1689
12M → Finish
1765*+48
#1689 → #1641
TOTALS
882477*-405
#1236 → #1641

* 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