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SF MARATHON 1ST HALF 2026

Xi Zhang

Belmont, CA

Bib: 12609 F 29

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 5%
Gender (Female)
#0 / 2930
Top 2%
Division (F25-29)
#0 / 674
Top 0.6%
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
7:27/mi
14:55
→ flat
12 ft elev
4M
7:45/mi
30:24
↑ 67↓ 69
10 ft elev
6M
7:54/mi
46:12
↑ 1231.1%
126 ft elev
8M
7:33/mi
1:01:18
↑ 166↓ 531.1%
246 ft elev
9.6M
7:33/mi
1:13:22
↑ 68↓ 1931.5%
126 ft elev
10M
14:54/mi
1:19:19
↓ 241.1%
90 ft elev
10.5M
3:56/mi
1:21:17
↓ 732.7%
18 ft elev
12M
10:39/mi
1:37:16
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
7:51/mi
1:45:58
↑ 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
46:127:42 /mi⚡ faster
2nd Half
59:468:24 /mi+29.4%
Positive split — 29.4% 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
14:557:272.00 mi14:55
7:27
-
4M
30:247:362.00 mi15:29
7:45
+0:18
6M
46:127:422.00 mi15:48
7:54
+0:09
8M
1:01:187:402.00 mi15:06
7:33
-0:21
9.6M
1:13:227:391.60 mi12:04
7:33
0:00
10M
1:19:197:560.40 mi5:57
14:54
+7:21
10.5M
1:21:177:440.50 mi1:58
3:56
-10:58
12M
1:37:168:061.50 mi15:59
10:39
+6:43
Finish(13.11 mi)
1:45:588:051.11 mi8:42
7:51
-2:48
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

3:56 /mi

Average Pace

8:05 /mi

Slowest Pace

14:54 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:58

2% of race

Time at Steady Pace

1:22:04

77% of race

Time at Slower Pace

21:56

21% of race

Average Pace: 8:05 /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 9%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:55

Segment Time

8:48/mi

Pace

0.90 mi

Distance

Overall

577

Women

90

Division

14

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
2M2.00 mi2332634598411
4M2.00 mi265-3234-83305405
6M2.00 mi297-3243-94-1415595
8M2.00 mi255+4230+135-1248283
9.6M1.60 mi321-6643-133+2109834988
10M0.40 mi330-948-55-267314025
10.5M0.50 mi328+247+14+15087413
12M1.50 mi336-850-33+14598411
Finish(13.11 mi)1.11 mi326+1044+64-14777718

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 7%
~flat
+5ft-3ft

Overall

459

Females

84

F25-29

11

2M→4M

2.0 - 4.0 mi

Top 5%
×4story building
+67ft-69ft

Overall

305

Females

40

F25-29

5

4M→6M

4.0 - 6.0 mi

Top 6%
×9story building
+123ft-9ft

Overall

415

Females

59

F25-29

5

6M→8M

6.0 - 8.0 mi

Top 4%
×12story building
+166ft-53ft

Overall

248

Females

28

F25-29

3

8M→9.6M

8.0 - 9.6 mi

Top 17%
×13story building
+68ft-193ft

Overall

1098

Females

349

F25-29

88

9.6M→10M

9.6 - 10.0 mi

Top 10%
×2story building
+0ft-24ft

Overall

673

Females

140

F25-29

25

10M→10.5M

10.0 - 10.5 mi

Top 8%
×6story building
+1ft-73ft

Overall

508

Females

74

F25-29

13

10.5M→12M

10.5 - 12.0 mi

Top 7%
×21story building
+280ft-26ft

Overall

459

Females

84

F25-29

11

12M→Finish

12.0 - 13.1 mi

Top 7%
×7story building
+14ft-89ft

Overall

477

Females

77

F25-29

18

Passing Analysis

Category:
Passed
123*
Passed By
216
Net Change
-93
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#233
2M → 4M941-32#233#265
4M → 6M739-32#265#297
6M → 8M6018+42#297#255
8M → 9.6M571-66#255#321
9.6M → 10M413-9#321#330
10M → 10.5M20+2#330#328
10.5M → 12M1523-8#328#336
12M → Finish21*11+10#336#326
TOTALS123*216-93

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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