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SF MARATHON 1ST HALF 2026

Yimeng Lin

Stanford, CA

Bib: 20347 F 23

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
10 ft elev
2M
11:02/mi
22:05
→ flat
12 ft elev
4M
11:25/mi
44:55
↑ 67↓ 69
10 ft elev
6M
11:42/mi
1:08:20
↑ 1231.1%
126 ft elev
8M
11:01/mi
1:30:22
↑ 166↓ 531.1%
246 ft elev
9.6M
11:01/mi
1:48:00
↑ 68↓ 1931.5%
126 ft elev
10M
20:29/mi
1:56:11
↓ 241.1%
90 ft elev
10.5M
5:24/mi
1:58:53
↓ 732.7%
18 ft elev
12M
15:56/mi
2:22:47
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
11:25/mi
2:35:27
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:08:2011:23 /mi⚡ faster
2nd Half
1:27:0712:15 /mi+27.5%
Positive split — 27.5% 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
22:0511:022.00 mi22:05
11:02
-
4M
44:5511:142.00 mi22:50
11:25
+0:23
6M
1:08:2011:232.00 mi23:25
11:42
+0:17
8M
1:30:2211:182.00 mi22:02
11:01
-0:41
9.6M
1:48:0011:151.60 mi17:38
11:01
0:00
10M
1:56:1111:370.40 mi8:11
20:29
+9:28
10.5M
1:58:5311:190.50 mi2:42
5:24
-15:05
12M
2:22:4711:541.50 mi23:54
15:56
+10:32
Finish(13.11 mi)
2:35:2711:511.11 mi12:40
11:25
-4:31
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:24 /mi

Average Pace

11:51 /mi

Slowest Pace

20:29 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:42

2% of race

Time at Steady Pace

2:00:40

78% of race

Time at Slower Pace

32:05

21% of race

Average Pace: 11:51 /mi

Loading chart...
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 57%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:53

Segment Time

12:06/mi

Pace

0.90 mi

Distance

Overall

3743

Women

1341

Division

181

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi4763180123141961610218
4M2.00 mi4779-161813-12233-247411817239
6M2.00 mi4752+271799+14241-847521794242
8M2.00 mi4336+4161555+244204+3735611193156
9.6M1.60 mi4514-1781681-126220-1650522096262
10M0.40 mi4418+961641+40215+537321356182
10.5M0.50 mi4415+31634+721541581541208
12M1.50 mi4369+461626+8216-141961610218
Finish(13.11 mi)1.11 mi4346+231618+8215+144561762229

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 64%
~flat
+5ft-3ft

Overall

4196

Females

1610

F20-24

218

2M→4M

2.0 - 4.0 mi

Top 72%
×4story building
+67ft-69ft

Overall

4741

Females

1817

F20-24

240

4M→6M

4.0 - 6.0 mi

Top 72%
×9story building
+123ft-9ft

Overall

4752

Females

1794

F20-24

243

6M→8M

6.0 - 8.0 mi

Top 54%
×12story building
+166ft-53ft

Overall

3561

Females

1193

F20-24

156

8M→9.6M

8.0 - 9.6 mi

Top 77%
×13story building
+68ft-193ft

Overall

5052

Females

2096

F20-24

262

9.6M→10M

9.6 - 10.0 mi

Top 57%
×2story building
+0ft-24ft

Overall

3732

Females

1356

F20-24

182

10M→10.5M

10.0 - 10.5 mi

Top 63%
×6story building
+1ft-73ft

Overall

4158

Females

1541

F20-24

208

10.5M→12M

10.5 - 12.0 mi

Top 64%
×21story building
+280ft-26ft

Overall

4196

Females

1610

F20-24

218

12M→Finish

12.0 - 13.1 mi

Top 68%
×7story building
+14ft-89ft

Overall

4456

Females

1762

F20-24

229

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4763
2M → 4M
193177-16
#4763 → #4779
4M → 6M
121148*+27
#4779 → #4752
6M → 8M
21437*+416
#4752 → #4336
8M → 9.6M
22547-178
#4336 → #4514
9.6M → 10M
11107+96
#4514 → #4418
10M → 10.5M
811+3
#4418 → #4415
10.5M → 12M
83129*+46
#4415 → #4369
12M → Finish
3861*+23
#4369 → #4346
TOTALS
7001117*+417
#4763 → #4346

* 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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