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SF MARATHON 1ST HALF 2026

Wendy Zambrano-Mah

Bib: 18594•F•Age: 54

South San Francisco, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 47%
Gender (Female)
#0 / 2930
Top 34%
Masters (Masters Women)
#0 / 781
Top 27%
Division (F50-54)
#0 / 143
Top 32%
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
9:55/mi
19:51
→ flat
4M
10:15/mi
40:20
↑ 67↓ 69
6M
10:15/mi
1:00:50
↑ 1231.1%
8M
10:07/mi
1:21:03
↑ 166↓ 531.1%
9.6M
10:07/mi
1:37:14
↑ 68↓ 1931.5%
10M
20:09/mi
1:45:17
↓ 241.1%
10.5M
5:10/mi
1:47:52
↓ 732.7%
12M
14:28/mi
2:09:34
↑ 2803.2%
Finish· 13.11 mi
10:32/mi
2:21:15
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:50
Pace10:08 /mi
2nd Half
Distance7.11 mi
Time1:20:25
Pace11:19 /mi
📊Positive Split: 32.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:00:5019:519:5519:51
9:55
-
4M
4.00 mi07:21:1940:2010:0520:29
10:15
+0:20
6M
6.00 mi07:41:491:00:5010:0820:30
10:15
0:00
8M
8.00 mi08:02:021:21:0310:0820:13
10:07
-0:08
9.6M
9.60 mi08:18:131:37:1410:0816:11
10:07
0:00
10M
10.00 mi08:26:161:45:1710:328:03
20:09
+10:02
10.5M
10.50 mi08:28:511:47:5210:162:35
5:10
-14:59
12M
12.00 mi08:50:332:09:3410:4821:42
14:28
+9:18
Finish
13.11 mi09:02:142:21:1510:4611:41
10:32
-3:56

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

5:10 /mi

Average Pace

10:46 /mi

Slowest Pace

20:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35

2% of race

Time at Steady Pace

1:48:55

77% of race

Time at Slower Pace

29:45

21% of race

Average Pace: 10:46 /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 mi07:00:5019:519:5519:51
9:55
#2911
4M
4.00 mi07:21:1940:2010:0520:29
10:15
#2996
6M
6.00 mi07:41:491:00:5010:0820:30
10:15
#2980
8M
8.00 mi08:02:021:21:0310:0820:13
10:07
#2831
9.6M
9.60 mi08:18:131:37:1410:0816:11
10:07
#3019
10M
10.00 mi08:26:161:45:1710:328:03
20:09
#3041
10.5M
10.50 mi08:28:511:47:5210:162:35
5:10
#3048
12M
12.00 mi08:50:332:09:3410:4821:42
14:28
#3046
Finish
13.11 mi09:02:142:21:1510:4611:41
10:32
#3058
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 53%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:38

Segment Time

11:49/mi

Pace

0.90 mi

Distance

Overall

3461

Women

1206

Division

53

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
2M2.00 mi2.00 mi2911907383129(Top 48%)1084(Top 37%)47(Top 33%)
4M4.00 mi2.00 mi2996-85933-2640-23157(Top 48%)1010(Top 34%)44(Top 31%)
6M6.00 mi2.00 mi2980+16934-1402977(Top 45%)920(Top 31%)40(Top 28%)
8M8.00 mi2.00 mi2831+149845+8935+52512(Top 38%)692(Top 24%)33(Top 23%)
9.6M9.60 mi1.60 mi3019-188944-9943-84138(Top 63%)1633(Top 56%)74(Top 52%)
10M10.00 mi0.40 mi3041-22961-1745-23541(Top 54%)1259(Top 43%)55(Top 38%)
10.5M10.50 mi0.50 mi3048-7966-5453565(Top 54%)1240(Top 42%)50(Top 35%)
12M12.00 mi1.50 mi3046+2974-8453129(Top 48%)1084(Top 37%)47(Top 33%)
Finish13.11 mi1.11 mi3058-12986-1246-13512(Top 53%)1265(Top 43%)49(Top 34%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 48%
~flat
+5ft-3ft

Overall

3129

Females

1084

F50-54

49

2M→4M

2.0 - 4.0 mi

Top 48%
×4story building
+67ft-69ft

Overall

3157

Females

1010

F50-54

45

4M→6M

4.0 - 6.0 mi

Top 45%
×9story building
+123ft-9ft

Overall

2977

Females

920

F50-54

41

6M→8M

6.0 - 8.0 mi

Top 38%
×12story building
+166ft-53ft

Overall

2512

Females

692

F50-54

35

8M→9.6M

8.0 - 9.6 mi

Top 63%
×13story building
+68ft-193ft

Overall

4138

Females

1633

F50-54

76

9.6M→10M

9.6 - 10.0 mi

Top 54%
×2story building
+0ft-24ft

Overall

3541

Females

1259

F50-54

56

10M→10.5M

10.0 - 10.5 mi

Top 54%
×6story building
+1ft-73ft

Overall

3565

Females

1240

F50-54

50

10.5M→12M

10.5 - 12.0 mi

Top 48%
×21story building
+280ft-26ft

Overall

3129

Females

1084

F50-54

49

12M→Finish

12.0 - 13.1 mi

Top 53%
×7story building
+14ft-89ft

Overall

3512

Females

1265

F50-54

49

Passing Analysis

Category:
Athletes Passed
661*
Passed By
808
Net Change
-147
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2911
2M → 4M123208-85#2911#2996
4M → 6M135119+16#2996#2980
6M → 8M202*53+149#2980#2831
8M → 9.6M29217-188#2831#3019
9.6M → 10M4163-22#3019#3041
10M → 10.5M613-7#3041#3048
10.5M → 12M8280+2#3048#3046
12M → Finish43*55-12#3046#3058
TOTALS661*808-147

* 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