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SF MARATHON 1ST HALF 2026

Michelle Zhou

San Francisco, CA

Bib: 18877 F 29

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F25-29)
#0 / 674
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
10:57/mi
21:55
→ flat
4M
11:41/mi
45:17
↑ 67↓ 69
6M
11:39/mi
1:08:36
↑ 123
8M
13:01/mi
1:34:38
↑ 166↓ 53
9.6M
9:52/mi
1:50:25
↑ 68↓ 193
10M
23:19/mi
1:59:44
↓ 24
10.5M
6:36/mi
2:03:02
↓ 73
12M
17:27/mi
2:29:13
↑ 280
Finish· 13.11 mi
11:48/mi
2:42:18
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:08:3611:26 /mi⚡ faster
2nd Half
1:33:4213:11 /mi+36.6%
Positive split — 36.6% 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
21:5510:572.00 mi21:55
10:57
-
4M
45:1711:192.00 mi23:22
11:41
+0:44
6M
1:08:3611:262.00 mi23:19
11:39
-0:02
8M
1:34:3811:502.00 mi26:02
13:01
+1:22
9.6M
1:50:2511:301.60 mi15:47
9:52
-3:09
10M
1:59:4411:580.40 mi9:19
23:19
+13:27
10.5M
2:03:0211:430.50 mi3:18
6:36
-16:43
12M
2:29:1312:261.50 mi26:11
17:27
+10:51
Finish(13.11 mi)
2:42:1812:231.11 mi13:05
11:48
-5:39
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:36 /mi

Average Pace

12:23 /mi

Slowest Pace

23:19 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:18

2% of race

Time at Steady Pace

2:03:30

76% of race

Time at Slower Pace

35:30

22% of race

Average Pace: 12:23 /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 81%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:37

Segment Time

14:01/mi

Pace

0.90 mi

Distance

Overall

5312

Women

2202

Division

524

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi4641173443051292127516
4M2.00 mi4926-2851901-167473-4351102015496
6M2.00 mi4818+1081838+63452+2147021769434
8M2.00 mi5033-2151942-104475-2354572205512
9.6M1.60 mi4855+1781859+83455+2038361503368
10M0.40 mi4887-321878-19457-250922076494
10.5M0.50 mi4929-421904-26467-1059472570606
12M1.50 mi4980-511950-46477-1051292127516
Finish(13.11 mi)1.11 mi4934+461932+18474+347641935480

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 78%
~flat
+5ft-3ft

Overall

5129

Females

2127

F25-29

516

2M→4M

2.0 - 4.0 mi

Top 78%
×4story building
+67ft-69ft

Overall

5110

Females

2015

F25-29

497

4M→6M

4.0 - 6.0 mi

Top 72%
×9story building
+123ft-9ft

Overall

4702

Females

1769

F25-29

434

6M→8M

6.0 - 8.0 mi

Top 83%
×12story building
+166ft-53ft

Overall

5457

Females

2205

F25-29

513

8M→9.6M

8.0 - 9.6 mi

Top 58%
×13story building
+68ft-193ft

Overall

3836

Females

1503

F25-29

368

9.6M→10M

9.6 - 10.0 mi

Top 77%
×2story building
+0ft-24ft

Overall

5092

Females

2076

F25-29

495

10M→10.5M

10.0 - 10.5 mi

Top 90%
×6story building
+1ft-73ft

Overall

5947

Females

2570

F25-29

607

10.5M→12M

10.5 - 12.0 mi

Top 78%
×21story building
+280ft-26ft

Overall

5129

Females

2127

F25-29

516

12M→Finish

12.0 - 13.1 mi

Top 72%
×7story building
+14ft-89ft

Overall

4764

Females

1935

F25-29

480

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4641
2M → 4M
37590-285
#4641 → #4926
4M → 6M
74182*+108
#4926 → #4818
6M → 8M
27358*-215
#4818 → #5033
8M → 9.6M
61239+178
#5033 → #4855
9.6M → 10M
6836-32
#4855 → #4887
10M → 10.5M
431-42
#4887 → #4929
10.5M → 12M
12069*-51
#4929 → #4980
12M → Finish
2975*+46
#4980 → #4934
TOTALS
1043750*-293
#4641 → #4934

* 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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Race Place Events