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SF MARATHON 1ST HALF 2026

Monica Castillo

Bib: 13577•F•Age: 40

San Jose, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Female)
#0 / 2930
Masters (Masters Women)
#0 / 781
Top 43%
Division (F40-44)
#0 / 255
Top 46%
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
9:54/mi
19:48
→ flat
4M
10:50/mi
41:27
↑ 67↓ 69
6M
11:13/mi
1:03:53
↑ 1231.1%
8M
12:43/mi
1:29:20
↑ 166↓ 531.1%
9.6M
10:12/mi
1:45:39
↑ 68↓ 1931.5%
10M
21:01/mi
1:54:03
↓ 241.1%
10.5M
5:34/mi
1:56:50
↓ 732.7%
12M
15:49/mi
2:20:34
↑ 2803.2%
Finish· 13.11 mi
11:48/mi
2:33:39
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:53
Pace10:39 /mi
2nd Half
Distance7.11 mi
Time1:29:46
Pace12:38 /mi
📊Positive Split: 40.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:57:1519:489:5419:48
9:54
-
4M
4.00 mi07:18:5441:2710:2221:39
10:50
+0:56
6M
6.00 mi07:41:201:03:5310:3922:26
11:13
+0:23
8M
8.00 mi08:06:471:29:2011:1025:27
12:43
+1:30
9.6M
9.60 mi08:23:061:45:3911:0016:19
10:12
-2:31
10M
10.00 mi08:31:301:54:0311:248:24
21:01
+10:49
10.5M
10.50 mi08:34:171:56:5011:082:47
5:34
-15:27
12M
12.00 mi08:58:012:20:3411:4323:44
15:49
+10:15
Finish
13.11 mi09:11:062:33:3911:4313:05
11:48
-4:01

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

5:34 /mi

Average Pace

11:43 /mi

Slowest Pace

21:01 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47

2% of race

Time at Steady Pace

1:58:44

77% of race

Time at Slower Pace

32:08

21% of race

Average Pace: 11:43 /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 mi06:57:1519:489:5419:48
9:54
#2862
4M
4.00 mi07:18:5441:2710:2221:39
10:50
#3486
6M
6.00 mi07:41:201:03:5310:3922:26
11:13
#3708
8M
8.00 mi08:06:471:29:2011:1025:27
12:43
#4180
9.6M
9.60 mi08:23:061:45:3911:0016:19
10:12
#4149
10M
10.00 mi08:31:301:54:0311:248:24
21:01
#4117
10.5M
10.50 mi08:34:171:56:5011:082:47
5:34
#4129
12M
12.00 mi08:58:012:20:3411:4323:44
15:49
#4137
Finish
13.11 mi09:11:062:33:3911:4313:05
11:48
#4176
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 62%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

11:11

Segment Time

12:26/mi

Pace

0.90 mi

Distance

Overall

4084

Women

1520

Division

122

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
2M2.00 mi2.00 mi2862880714115(Top 63%)1562(Top 53%)124(Top 49%)
4M4.00 mi2.00 mi3486-6241167-28792-213996(Top 61%)1403(Top 48%)109(Top 43%)
6M6.00 mi2.00 mi3708-2221273-106101-94138(Top 63%)1485(Top 51%)117(Top 46%)
8M8.00 mi2.00 mi4180-4721475-202119-185208(Top 79%)2034(Top 69%)173(Top 68%)
9.6M9.60 mi1.60 mi4149+311485-101194251(Top 65%)1691(Top 58%)124(Top 49%)
10M10.00 mi0.40 mi4117+321476+9118+14063(Top 62%)1521(Top 52%)121(Top 47%)
10.5M10.50 mi0.50 mi4129-121485-91184557(Top 69%)1756(Top 60%)149(Top 58%)
12M12.00 mi1.50 mi4137-81505-201184115(Top 63%)1562(Top 53%)124(Top 49%)
Finish13.11 mi1.11 mi4176-391538-331184759(Top 72%)1932(Top 66%)153(Top 60%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 63%
~flat
+5ft-3ft

Overall

4115

Females

1562

F40-44

125

2M→4M

2.0 - 4.0 mi

Top 61%
×4story building
+67ft-69ft

Overall

3996

Females

1403

F40-44

110

4M→6M

4.0 - 6.0 mi

Top 63%
×9story building
+123ft-9ft

Overall

4138

Females

1485

F40-44

118

6M→8M

6.0 - 8.0 mi

Top 79%
×12story building
+166ft-53ft

Overall

5208

Females

2034

F40-44

174

8M→9.6M

8.0 - 9.6 mi

Top 65%
×13story building
+68ft-193ft

Overall

4251

Females

1691

F40-44

125

9.6M→10M

9.6 - 10.0 mi

Top 62%
×2story building
+0ft-24ft

Overall

4063

Females

1521

F40-44

122

10M→10.5M

10.0 - 10.5 mi

Top 69%
×6story building
+1ft-73ft

Overall

4557

Females

1756

F40-44

150

10.5M→12M

10.5 - 12.0 mi

Top 63%
×21story building
+280ft-26ft

Overall

4115

Females

1562

F40-44

125

12M→Finish

12.0 - 13.1 mi

Top 72%
×7story building
+14ft-89ft

Overall

4759

Females

1932

F40-44

153

Passing Analysis

Category:
Athletes Passed
480*
Passed By
1794
Net Change
-1314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2862
2M → 4M32656-624#2862#3486
4M → 6M58280-222#3486#3708
6M → 8M24*496-472#3708#4180
8M → 9.6M153122+31#4180#4149
9.6M → 10M5826+32#4149#4117
10M → 10.5M1022-12#4117#4129
10.5M → 12M96*104-8#4129#4137
12M → Finish49*88-39#4137#4176
TOTALS480*1794-1314

* 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