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SF MARATHON 1ST HALF 2026

Yifei Xu

San Francisco, CA

Bib: 19626 F 38

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Division (F35-39)
#0 / 388
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
10:49/mi
21:39
→ flat
4M
11:40/mi
44:59
↑ 67↓ 69
6M
12:06/mi
1:09:12
↑ 123
8M
11:27/mi
1:32:06
↑ 166↓ 53
9.6M
11:27/mi
1:50:25
↑ 68↓ 193
10M
25:42/mi
2:00:41
↓ 24
10.5M
6:04/mi
2:03:43
↓ 73
12M
18:32/mi
2:31:31
↑ 280
Finish· 13.11 mi
12:05/mi
2:44:55
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:09:1211:32 /mi⚡ faster
2nd Half
1:35:4313:28 /mi+38.3%
Positive split — 38.3% 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
21:3910:492.00 mi21:39
10:49
-
4M
44:5911:152.00 mi23:20
11:40
+0:51
6M
1:09:1211:322.00 mi24:13
12:06
+0:26
8M
1:32:0611:312.00 mi22:54
11:27
-0:39
9.6M
1:50:2511:301.60 mi18:19
11:27
0:00
10M
2:00:4112:040.40 mi10:16
25:42
+14:15
10.5M
2:03:4311:470.50 mi3:02
6:04
-19:38
12M
2:31:3112:381.50 mi27:48
18:32
+12:28
Finish(13.11 mi)
2:44:5512:351.11 mi13:24
12:05
-6:27
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

6:04 /mi

Average Pace

12:35 /mi

Slowest Pace

25:42 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:02

2% of race

Time at Steady Pace

2:03:49

75% of race

Time at Slower Pace

38:04

23% of race

Average Pace: 12:35 /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 86%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

13:18

Segment Time

14:47/mi

Pace

0.90 mi

Distance

Overall

5682

Women

2411

Division

314

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
2M2.00 mi4438162620256982448324
4M2.00 mi4807-3691831-205229-2750781997249
6M2.00 mi4949-1421905-74233-451842048247
8M2.00 mi4642+3071727+178218+1540121400181
9.6M1.60 mi4857-2151860-133230-1254202280286
10M0.40 mi4986-1291930-70237-757932495326
10.5M0.50 mi4993-71933-323754452274282
12M1.50 mi5192-1992068-135253-1656982448324
Finish(13.11 mi)1.11 mi5128+642041+27252+149772068266

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 87%
~flat
+5ft-3ft

Overall

5698

Females

2448

F35-39

324

2M→4M

2.0 - 4.0 mi

Top 77%
×4story building
+67ft-69ft

Overall

5078

Females

1997

F35-39

250

4M→6M

4.0 - 6.0 mi

Top 79%
×9story building
+123ft-9ft

Overall

5184

Females

2048

F35-39

247

6M→8M

6.0 - 8.0 mi

Top 61%
×12story building
+166ft-53ft

Overall

4012

Females

1400

F35-39

181

8M→9.6M

8.0 - 9.6 mi

Top 82%
×13story building
+68ft-193ft

Overall

5420

Females

2280

F35-39

286

9.6M→10M

9.6 - 10.0 mi

Top 88%
×2story building
+0ft-24ft

Overall

5793

Females

2495

F35-39

326

10M→10.5M

10.0 - 10.5 mi

Top 83%
×6story building
+1ft-73ft

Overall

5445

Females

2274

F35-39

282

10.5M→12M

10.5 - 12.0 mi

Top 87%
×21story building
+280ft-26ft

Overall

5698

Females

2448

F35-39

324

12M→Finish

12.0 - 13.1 mi

Top 76%
×7story building
+14ft-89ft

Overall

4977

Females

2068

F35-39

266

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4438
2M → 4M
44778-369
#4438 → #4807
4M → 6M
23492*-142
#4807 → #4949
6M → 8M
39346*+307
#4949 → #4642
8M → 9.6M
25944-215
#4642 → #4857
9.6M → 10M
14314-129
#4857 → #4986
10M → 10.5M
147-7
#4986 → #4993
10.5M → 12M
23435*-199
#4993 → #5192
12M → Finish
1882*+64
#5192 → #5128
TOTALS
1388698*-690
#4438 → #5128

* 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