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SF MARATHON 1ST HALF 2026

Zifei Cai

Bib: 14036•F•Age: 32

Sacramento, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 50%
Gender (Female)
#0 / 2930
Top 37%
Division (F30-34)
#0 / 651
Top 38%
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
10:50/mi
21:41
→ flat
4M
11:11/mi
44:03
↑ 67↓ 69
6M
10:45/mi
1:05:33
↑ 1231.1%
8M
11:43/mi
1:28:59
↑ 166↓ 531.1%
9.6M
8:15/mi
1:42:11
↑ 68↓ 1931.5%
10M
19:04/mi
1:49:48
↓ 241.1%
10.5M
5:06/mi
1:52:21
↓ 732.7%
12M
13:36/mi
2:12:45
↑ 2803.2%
Finish· 13.11 mi
9:38/mi
2:23:26
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:05:33
Pace10:56 /mi
2nd Half
Distance7.11 mi
Time1:17:53
Pace10:57 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:54:3421:4110:5021:41
10:50
-
4M
4.00 mi07:16:5644:0311:0122:22
11:11
+0:21
6M
6.00 mi07:38:261:05:3310:5621:30
10:45
-0:26
8M
8.00 mi08:01:521:28:5911:0723:26
11:43
+0:58
9.6M
9.60 mi08:15:041:42:1110:3913:12
8:15
-3:28
10M
10.00 mi08:22:411:49:4810:597:37
19:04
+10:49
10.5M
10.50 mi08:25:141:52:2110:422:33
5:06
-13:58
12M
12.00 mi08:45:382:12:4511:0420:24
13:36
+8:30
Finish
13.11 mi08:56:192:23:2610:5610:41
9:38
-3:58

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

5:06 /mi

Average Pace

10:56 /mi

Slowest Pace

19:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:45

11% of race

Time at Steady Pace

1:39:40

69% of race

Time at Slower Pace

28:01

20% of race

Average Pace: 10:56 /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 mi06:54:3421:4110:5021:41
10:50
#4461
4M
4.00 mi07:16:5644:0311:0122:22
11:11
#4410
6M
6.00 mi07:38:261:05:3310:5621:30
10:45
#4093
8M
8.00 mi08:01:521:28:5911:0723:26
11:43
#4122
9.6M
9.60 mi08:15:041:42:1110:3913:12
8:15
#3692
10M
10.00 mi08:22:411:49:4810:597:37
19:04
#3613
10.5M
10.50 mi08:25:141:52:2110:422:33
5:06
#3608
12M
12.00 mi08:45:382:12:4511:0420:24
13:36
#3361
Finish
13.11 mi08:56:192:23:2610:5610:41
9:38
#3275
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 46%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:10

Segment Time

11:18/mi

Pace

0.90 mi

Distance

Overall

3008

Women

994

Division

222

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
2M2.00 mi2.00 mi446116413792419(Top 37%)743(Top 25%)157(Top 24%)
4M4.00 mi2.00 mi4410+511617+24368+114469(Top 68%)1657(Top 57%)382(Top 59%)
6M6.00 mi2.00 mi4093+3171448+169335+333605(Top 55%)1222(Top 42%)276(Top 42%)
8M8.00 mi2.00 mi4122-291442+6338-34284(Top 65%)1539(Top 53%)368(Top 57%)
9.6M9.60 mi1.60 mi3692+4301258+184288+501800(Top 27%)595(Top 20%)121(Top 19%)
10M10.00 mi0.40 mi3613+791227+31282+63006(Top 46%)994(Top 34%)218(Top 33%)
10.5M10.50 mi0.50 mi3608+51222+5280+23401(Top 52%)1166(Top 40%)258(Top 40%)
12M12.00 mi1.50 mi3361+2471121+101254+262419(Top 37%)743(Top 25%)157(Top 24%)
Finish13.11 mi1.11 mi3275+861080+41245+92433(Top 37%)760(Top 26%)166(Top 25%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 37%
~flat
+5ft-3ft

Overall

2419

Females

743

F30-34

158

2M→4M

2.0 - 4.0 mi

Top 68%
×4story building
+67ft-69ft

Overall

4469

Females

1657

F30-34

385

4M→6M

4.0 - 6.0 mi

Top 55%
×9story building
+123ft-9ft

Overall

3605

Females

1222

F30-34

278

6M→8M

6.0 - 8.0 mi

Top 65%
×12story building
+166ft-53ft

Overall

4284

Females

1539

F30-34

370

8M→9.6M

8.0 - 9.6 mi

Top 27%
×13story building
+68ft-193ft

Overall

1800

Females

595

F30-34

122

9.6M→10M

9.6 - 10.0 mi

Top 46%
×2story building
+0ft-24ft

Overall

3006

Females

994

F30-34

220

10M→10.5M

10.0 - 10.5 mi

Top 52%
×6story building
+1ft-73ft

Overall

3401

Females

1166

F30-34

260

10.5M→12M

10.5 - 12.0 mi

Top 37%
×21story building
+280ft-26ft

Overall

2419

Females

743

F30-34

158

12M→Finish

12.0 - 13.1 mi

Top 37%
×7story building
+14ft-89ft

Overall

2433

Females

760

F30-34

166

Passing Analysis

Category:
Athletes Passed
1587*
Passed By
401
Net Change
+1186
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#4461
2M → 4M209158+51#4461#4410
4M → 6M337*20+317#4410#4093
6M → 8M149*178-29#4093#4122
8M → 9.6M4366+430#4122#3692
9.6M → 10M878+79#3692#3613
10M → 10.5M149+5#3613#3608
10.5M → 12M260*13+247#3608#3361
12M → Finish95*9+86#3361#3275
TOTALS1587*401+1186

* 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