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SF MARATHON 1ST HALF 2026

Edwin Castaneda

Bib: 12551•M•Age: 36

Houston, TX

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 12%
Gender (Male)
#0 / 3619
Top 18%
Division (M35-39)
#0 / 582
Top 20%
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
8:30/mi
17:01
→ flat
4M
8:32/mi
34:05
↑ 67↓ 69
6M
8:16/mi
50:38
↑ 1231.1%
8M
9:02/mi
1:08:42
↑ 166↓ 531.1%
9.6M
6:35/mi
1:19:14
↑ 68↓ 1931.5%
10M
15:19/mi
1:25:21
↓ 241.1%
10.5M
4:08/mi
1:27:25
↓ 732.7%
12M
12:45/mi
1:46:32
↑ 2803.2%
Finish· 13.11 mi
8:19/mi
1:55:45
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time50:38
Pace8:26 /mi
2nd Half
Distance7.11 mi
Time1:05:07
Pace9:10 /mi
📊Positive Split: 28.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:52:1717:018:3017:01
8:30
-
4M
4.00 mi07:09:2134:058:3117:04
8:32
+0:02
6M
6.00 mi07:25:5450:388:2616:33
8:16
-0:16
8M
8.00 mi07:43:581:08:428:3518:04
9:02
+0:46
9.6M
9.60 mi07:54:301:19:148:1510:32
6:35
-2:27
10M
10.00 mi08:00:371:25:218:326:07
15:19
+8:44
10.5M
10.50 mi08:02:411:27:258:202:04
4:08
-11:11
12M
12.00 mi08:21:481:46:328:5319:07
12:45
+8:37
Finish
13.11 mi08:31:011:55:458:509:13
8:19
-4:26

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

4:08 /mi

Average Pace

8:50 /mi

Slowest Pace

15:19 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:36

11% of race

Time at Steady Pace

1:17:55

67% of race

Time at Slower Pace

25:14

22% of race

Average Pace: 8:50 /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 mi06:52:1717:018:3017:01
8:30
#916
4M
4.00 mi07:09:2134:058:3117:04
8:32
#888
6M
6.00 mi07:25:5450:388:2616:33
8:16
#799
8M
8.00 mi07:43:581:08:428:3518:04
9:02
#874
9.6M
9.60 mi07:54:301:19:148:1510:32
6:35
#708
10M
10.00 mi08:00:371:25:218:326:07
15:19
#703
10.5M
10.50 mi08:02:411:27:258:202:04
4:08
#701
12M
12.00 mi08:21:481:46:328:5319:07
12:45
#836
Finish
13.11 mi08:31:011:55:458:509:13
8:19
#807
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 12%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:11

Segment Time

9:06/mi

Pace

0.90 mi

Distance

Overall

817

Men

658

Division

102

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi9167401421739(Top 26%)1254(Top 35%)211(Top 36%)
4M4.00 mi2.00 mi888+28723+17137+5902(Top 14%)732(Top 20%)134(Top 23%)
6M6.00 mi2.00 mi799+89652+71120+17672(Top 10%)560(Top 15%)97(Top 17%)
8M8.00 mi2.00 mi874-75718-66133-131322(Top 20%)1039(Top 29%)185(Top 32%)
9.6M9.60 mi1.60 mi708+166584+134106+27403(Top 6%)311(Top 9%)44(Top 8%)
10M10.00 mi0.40 mi703+5579+5101+5856(Top 13%)668(Top 18%)103(Top 18%)
10.5M10.50 mi0.50 mi701+2577+2101882(Top 13%)714(Top 20%)120(Top 21%)
12M12.00 mi1.50 mi836-135679-102121-201739(Top 26%)1254(Top 35%)211(Top 36%)
Finish13.11 mi1.11 mi807+29661+18118+3872(Top 13%)703(Top 19%)108(Top 19%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 26%
~flat
+5ft-3ft

Overall

1739

Males

1254

M35-39

211

2M→4M

2.0 - 4.0 mi

Top 14%
×4story building
+67ft-69ft

Overall

902

Males

732

M35-39

134

4M→6M

4.0 - 6.0 mi

Top 10%
×9story building
+123ft-9ft

Overall

672

Males

560

M35-39

97

6M→8M

6.0 - 8.0 mi

Top 20%
×12story building
+166ft-53ft

Overall

1322

Males

1039

M35-39

185

8M→9.6M

8.0 - 9.6 mi

Top 6%
×13story building
+68ft-193ft

Overall

403

Males

311

M35-39

44

9.6M→10M

9.6 - 10.0 mi

Top 13%
×2story building
+0ft-24ft

Overall

856

Males

668

M35-39

103

10M→10.5M

10.0 - 10.5 mi

Top 13%
×6story building
+1ft-73ft

Overall

882

Males

714

M35-39

120

10.5M→12M

10.5 - 12.0 mi

Top 26%
×21story building
+280ft-26ft

Overall

1739

Males

1254

M35-39

211

12M→Finish

12.0 - 13.1 mi

Top 13%
×7story building
+14ft-89ft

Overall

872

Males

703

M35-39

108

Passing Analysis

Category:
Athletes Passed
462*
Passed By
353
Net Change
+109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#916
2M → 4M7648+28#916#888
4M → 6M10718+89#888#799
6M → 8M44119-75#799#874
8M → 9.6M1759+166#874#708
9.6M → 10M149+5#708#703
10M → 10.5M20+2#703#701
10.5M → 12M8143-135#701#836
12M → Finish36*7+29#836#807
TOTALS462*353+109

* 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