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SF MARATHON 1ST HALF 2026

Haipeng Zhang

Bib: 20201•F•Age: 24

Stanford, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 23%
Gender (Female)
#0 / 2930
Top 12%
F20-29
#0 / 353
Top 13%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:15/mi
18:31
→ flat
4M
9:14/mi
36:59
↑ 67↓ 69
6M
9:08/mi
55:16
↑ 1231.1%
8M
8:56/mi
1:13:08
↑ 166↓ 531.1%
9.6M
8:56/mi
1:27:25
↑ 68↓ 1931.5%
10M
16:09/mi
1:33:52
↓ 241.1%
10.5M
4:12/mi
1:35:58
↓ 732.7%
12M
12:30/mi
1:54:43
↑ 2803.2%
Finish· 13.11 mi
8:27/mi
2:04:05
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time55:16
Pace9:13 /mi
2nd Half
Distance7.11 mi
Time1:08:49
Pace9:41 /mi
📊Positive Split: 24.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:05:0118:319:1518:31
9:15
-
4M
4.00 mi07:23:2936:599:1518:28
9:14
-0:01
6M
6.00 mi07:41:4655:169:1318:17
9:08
-0:06
8M
8.00 mi07:59:381:13:089:0817:52
8:56
-0:12
9.6M
9.60 mi08:13:551:27:259:0614:17
8:56
0:00
10M
10.00 mi08:20:221:33:529:236:27
16:09
+7:13
10.5M
10.50 mi08:22:281:35:589:082:06
4:12
-11:57
12M
12.00 mi08:41:131:54:439:3418:45
12:30
+8:18
Finish
13.11 mi08:50:352:04:059:289:22
8:27
-4:03

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

4:12 /mi

Average Pace

9:28 /mi

Slowest Pace

16:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06

2% of race

Time at Steady Pace

1:36:47

78% of race

Time at Slower Pace

25:12

20% of race

Average Pace: 9:28 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi07:05:0118:319:1518:31
9:15
#1870
4M
4.00 mi07:23:2936:599:1518:28
9:14
#1810
6M
6.00 mi07:41:4655:169:1318:17
9:08
#1727
8M
8.00 mi07:59:381:13:089:0817:52
8:56
#1506
9.6M
9.60 mi08:13:551:27:259:0614:17
8:56
#1670
10M
10.00 mi08:20:221:33:529:236:27
16:09
#1630
10.5M
10.50 mi08:22:281:35:589:082:06
4:12
#1612
12M
12.00 mi08:41:131:54:439:3418:45
12:30
#1579
Finish
13.11 mi08:50:352:04:059:289:22
8:27
#1504
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 18%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:33

Segment Time

9:30/mi

Pace

0.90 mi

Distance

Overall

1202

Women

257

Division

40

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-29Seg. OverallSeg. FemalesSeg. F20-29
2M2.00 mi2.00 mi1870477611565(Top 24%)416(Top 14%)67(Top 19%)
4M4.00 mi2.00 mi1810+60446+3160+11753(Top 27%)424(Top 14%)59(Top 17%)
6M6.00 mi2.00 mi1727+83416+3059+11600(Top 24%)379(Top 13%)56(Top 16%)
8M8.00 mi2.00 mi1506+221330+8644+151204(Top 18%)250(Top 9%)30(Top 8%)
9.6M9.60 mi1.60 mi1670-164402-7253-92647(Top 40%)959(Top 33%)128(Top 36%)
10M10.00 mi0.40 mi1630+40387+1555-21323(Top 20%)316(Top 11%)46(Top 13%)
10.5M10.50 mi0.50 mi1612+18376+1152+31059(Top 16%)221(Top 8%)33(Top 9%)
12M12.00 mi1.50 mi1579+33376521565(Top 24%)416(Top 14%)67(Top 19%)
Finish13.11 mi1.11 mi1504+75344+3247+51026(Top 16%)214(Top 7%)35(Top 10%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 24%
~flat
+5ft-3ft

Overall

1565

Females

416

F20-24

67

2M→4M

2.0 - 4.0 mi

Top 27%
×4story building
+67ft-69ft

Overall

1753

Females

424

F20-24

59

4M→6M

4.0 - 6.0 mi

Top 24%
×9story building
+123ft-9ft

Overall

1600

Females

379

F20-24

56

6M→8M

6.0 - 8.0 mi

Top 18%
×12story building
+166ft-53ft

Overall

1204

Females

250

F20-24

30

8M→9.6M

8.0 - 9.6 mi

Top 40%
×13story building
+68ft-193ft

Overall

2647

Females

959

F20-24

128

9.6M→10M

9.6 - 10.0 mi

Top 20%
×2story building
+0ft-24ft

Overall

1323

Females

316

F20-24

46

10M→10.5M

10.0 - 10.5 mi

Top 16%
×6story building
+1ft-73ft

Overall

1059

Females

221

F20-24

33

10.5M→12M

10.5 - 12.0 mi

Top 24%
×21story building
+280ft-26ft

Overall

1565

Females

416

F20-24

67

12M→Finish

12.0 - 13.1 mi

Top 16%
×7story building
+14ft-89ft

Overall

1026

Females

214

F20-24

35

Passing Analysis

Category:
Athletes Passed
740*
Passed By
374
Net Change
+366
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#1870
2M → 4M12161+60#1870#1810
4M → 6M11936+83#1810#1727
6M → 8M251*30+221#1727#1506
8M → 9.6M22186-164#1506#1670
9.6M → 10M5010+40#1670#1630
10M → 10.5M180+18#1630#1612
10.5M → 12M7845+33#1612#1579
12M → Finish81*6+75#1579#1504
TOTALS740*374+366

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

📊

Passing Visuals

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

Race Place Events

Race Place Events