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SF MARATHON 1ST HALF 2026

Socorro Castaneda

Bib: 17041•F•Age: 52

Oxnard, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 43%
Gender (Female)
#0 / 2930
Top 31%
Masters (Masters Women)
#0 / 781
Top 24%
Division (F50-54)
#0 / 143
Top 28%
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
10:02/mi
20:04
→ flat
4M
10:02/mi
40:07
↑ 67↓ 69
6M
10:13/mi
1:00:33
↑ 1231.1%
8M
11:19/mi
1:23:11
↑ 166↓ 531.1%
9.6M
7:56/mi
1:35:53
↑ 68↓ 1931.5%
10M
18:11/mi
1:43:09
↓ 241.1%
10.5M
4:58/mi
1:45:38
↓ 732.7%
12M
14:43/mi
2:07:42
↑ 2803.2%
Finish· 13.11 mi
10:21/mi
2:19:11
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:00:33
Pace10:06 /mi
2nd Half
Distance7.11 mi
Time1:18:38
Pace11:04 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:04:0120:0410:0220:04
10:02
-
4M
4.00 mi07:24:0440:0710:0220:03
10:02
0:00
6M
6.00 mi07:44:301:00:3310:0620:26
10:13
+0:11
8M
8.00 mi08:07:081:23:1110:2422:38
11:19
+1:06
9.6M
9.60 mi08:19:501:35:539:5912:42
7:56
-3:23
10M
10.00 mi08:27:061:43:0910:197:16
18:11
+10:15
10.5M
10.50 mi08:29:351:45:3810:042:29
4:58
-13:13
12M
12.00 mi08:51:392:07:4210:3922:04
14:43
+9:45
Finish
13.11 mi09:03:082:19:1110:3711:29
10:21
-4:22

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

4:58 /mi

Average Pace

10:37 /mi

Slowest Pace

18:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:11

11% of race

Time at Steady Pace

1:34:40

68% of race

Time at Slower Pace

29:20

21% of race

Average Pace: 10:37 /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 mi07:04:0120:0410:0220:04
10:02
#3088
4M
4.00 mi07:24:0440:0710:0220:03
10:02
#2906
6M
6.00 mi07:44:301:00:3310:0620:26
10:13
#2903
8M
8.00 mi08:07:081:23:1110:2422:38
11:19
#3184
9.6M
9.60 mi08:19:501:35:539:5912:42
7:56
#2817
10M
10.00 mi08:27:061:43:0910:197:16
18:11
#2767
10.5M
10.50 mi08:29:351:45:3810:042:29
4:58
#2767
12M
12.00 mi08:51:392:07:4210:3922:04
14:43
#2853
Finish
13.11 mi09:03:082:19:1110:3711:29
10:21
#2856
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 39%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:45

Segment Time

10:50/mi

Pace

0.90 mi

Distance

Overall

2544

Women

777

Division

34

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
2M2.00 mi2.00 mi3088990403324(Top 51%)1178(Top 40%)51(Top 36%)
4M4.00 mi2.00 mi2906+182900+9039+12838(Top 43%)875(Top 30%)36(Top 25%)
6M6.00 mi2.00 mi2903+3903-3392940(Top 45%)903(Top 31%)39(Top 27%)
8M8.00 mi2.00 mi3184-2811008-10541-23877(Top 59%)1342(Top 46%)57(Top 40%)
9.6M9.60 mi1.60 mi2817+367869+13938+31463(Top 22%)488(Top 17%)22(Top 15%)
10M10.00 mi0.40 mi2767+50850+1936+22506(Top 38%)773(Top 26%)35(Top 24%)
10.5M10.50 mi0.50 mi2767850363069(Top 47%)1019(Top 35%)40(Top 28%)
12M12.00 mi1.50 mi2853-86895-4539-33324(Top 51%)1178(Top 40%)51(Top 36%)
Finish13.11 mi1.11 mi2856-3899-440-13302(Top 50%)1160(Top 40%)46(Top 32%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 51%
~flat
+5ft-3ft

Overall

3324

Females

1178

F50-54

53

2M→4M

2.0 - 4.0 mi

Top 43%
×4story building
+67ft-69ft

Overall

2838

Females

875

F50-54

37

4M→6M

4.0 - 6.0 mi

Top 45%
×9story building
+123ft-9ft

Overall

2940

Females

903

F50-54

40

6M→8M

6.0 - 8.0 mi

Top 59%
×12story building
+166ft-53ft

Overall

3877

Females

1342

F50-54

59

8M→9.6M

8.0 - 9.6 mi

Top 22%
×13story building
+68ft-193ft

Overall

1463

Females

488

F50-54

24

9.6M→10M

9.6 - 10.0 mi

Top 38%
×2story building
+0ft-24ft

Overall

2506

Females

773

F50-54

36

10M→10.5M

10.0 - 10.5 mi

Top 47%
×6story building
+1ft-73ft

Overall

3069

Females

1019

F50-54

40

10.5M→12M

10.5 - 12.0 mi

Top 51%
×21story building
+280ft-26ft

Overall

3324

Females

1178

F50-54

53

12M→Finish

12.0 - 13.1 mi

Top 50%
×7story building
+14ft-89ft

Overall

3302

Females

1160

F50-54

46

Passing Analysis

Category:
Athletes Passed
957*
Passed By
725
Net Change
+232
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3088
2M → 4M25169+182#3088#2906
4M → 6M118115+3#2906#2903
6M → 8M49*330-281#2903#3184
8M → 9.6M37710+367#3184#2817
9.6M → 10M6111+50#2817#2767
10M → 10.5M880#2767#2767
10.5M → 12M48134-86#2767#2853
12M → Finish45*48-3#2853#2856
TOTALS957*725+232

* 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