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SF MARATHON 1ST HALF 2026

Xiwen Zhong

Mountain House, CA

Bib: 16922 F 14

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
F19 & Under
#0 / 83
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
13:34/mi
27:08
→ flat
12 ft elev
4M
14:19/mi
55:45
↑ 67↓ 69
10 ft elev
6M
14:45/mi
1:25:15
↑ 1231.1%
126 ft elev
8M
15:40/mi
1:56:35
↑ 166↓ 531.1%
246 ft elev
9.6M
9:47/mi
2:12:14
↑ 68↓ 1931.5%
126 ft elev
10M
29:30/mi
2:24:01
↓ 241.1%
90 ft elev
10.5M
5:58/mi
2:27:00
↓ 732.7%
18 ft elev
12M
18:54/mi
2:55:21
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
14:42/mi
3:11:39
↑ 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
1:25:1514:13 /mi⚡ faster
2nd Half
1:46:2414:58 /mi+24.8%
Positive split — 24.8% 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
27:0813:342.00 mi27:08
13:34
-
4M
55:4513:562.00 mi28:37
14:19
+0:45
6M
1:25:1514:132.00 mi29:30
14:45
+0:26
8M
1:56:3514:342.00 mi31:20
15:40
+0:55
9.6M
2:12:1413:461.60 mi15:39
9:47
-5:53
10M
2:24:0114:240.40 mi11:47
29:30
+19:43
10.5M
2:27:0014:000.50 mi2:59
5:58
-23:32
12M
2:55:2114:371.50 mi28:21
18:54
+12:56
Finish(13.11 mi)
3:11:3914:371.11 mi16:18
14:42
-4:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:58 /mi

Average Pace

14:37 /mi

Slowest Pace

29:30 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

18:38

10% of race

Time at Steady Pace

2:12:53

69% of race

Time at Slower Pace

40:08

21% of race

Average Pace: 14:37 /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 94%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

14:46

Segment Time

16:25/mi

Pace

0.90 mi

Distance

Overall

6174

Women

2716

Division

4

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF19 & UnderSeg. OverallSeg. FemalesSeg. F19 & Under
2M2.00 mi65132880835839252776
4M2.00 mi6493+202864+1681+26467285081
6M2.00 mi6468+252850+14816402280182
8M2.00 mi6462+62848+280+16377279479
9.6M1.60 mi6394+682806+42803718144447
10M0.40 mi6404-102813-7806335281278
10.5M0.50 mi6389+152806+7805338220872
12M1.50 mi6332+572770+3678+25839252776
Finish(13.11 mi)1.11 mi6315+172759+11786134269580

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 89%
~flat
+5ft-3ft

Overall

5839

Females

2527

F0-14

3

2M→4M

2.0 - 4.0 mi

Top 98%
×4story building
+67ft-69ft

Overall

6467

Females

2850

F0-14

3

4M→6M

4.0 - 6.0 mi

Top 97%
×9story building
+123ft-9ft

Overall

6402

Females

2801

F0-14

3

6M→8M

6.0 - 8.0 mi

Top 97%
×12story building
+166ft-53ft

Overall

6377

Females

2794

F0-14

3

8M→9.6M

8.0 - 9.6 mi

Top 57%
×13story building
+68ft-193ft

Overall

3718

Females

1444

F0-14

2

9.6M→10M

9.6 - 10.0 mi

Top 96%
×2story building
+0ft-24ft

Overall

6335

Females

2812

F0-14

2

10M→10.5M

10.0 - 10.5 mi

Top 81%
×6story building
+1ft-73ft

Overall

5338

Females

2208

F0-14

3

10.5M→12M

10.5 - 12.0 mi

Top 89%
×21story building
+280ft-26ft

Overall

5839

Females

2527

F0-14

3

12M→Finish

12.0 - 13.1 mi

Top 93%
×7story building
+14ft-89ft

Overall

6134

Females

2695

F0-14

3

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#6513
2M → 4M
2141*+20
#6513 → #6493
4M → 6M
934*+25
#6493 → #6468
6M → 8M
3945*+6
#6468 → #6462
8M → 9.6M
169*+68
#6462 → #6394
9.6M → 10M
155-10
#6394 → #6404
10M → 10.5M
015+15
#6404 → #6389
10.5M → 12M
360*+57
#6389 → #6332
12M → Finish
1128*+17
#6332 → #6315
TOTALS
99297*+198
#6513 → #6315

* 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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