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SF MARATHON 1ST HALF 2026

Norbert A Castellanos

Bib: 20487•M•Age: 43

SF, CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Division (M40-44)
#0 / 319
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
10:14/mi
20:28
→ flat
4M
10:04/mi
40:36
↑ 67↓ 69
6M
11:40/mi
1:03:56
↑ 1231.1%
8M
11:51/mi
1:27:39
↑ 166↓ 531.1%
9.6M
8:09/mi
1:40:41
↑ 68↓ 1931.5%
10M
20:06/mi
1:48:43
↓ 241.1%
10.5M
5:02/mi
1:51:14
↓ 732.7%
12M
14:15/mi
2:12:37
↑ 2803.2%
Finish· 13.11 mi
9:55/mi
2:23:37
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time1:03:56
Pace10:39 /mi
2nd Half
Distance7.11 mi
Time1:19:41
Pace11:13 /mi
📊Positive Split: 24.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:5920:2810:1420:28
10:14
-
4M
4.00 mi07:31:0740:3610:0920:08
10:04
-0:10
6M
6.00 mi07:54:271:03:5610:3923:20
11:40
+1:36
8M
8.00 mi08:18:101:27:3910:5723:43
11:51
+0:11
9.6M
9.60 mi08:31:121:40:4110:2913:02
8:09
-3:42
10M
10.00 mi08:39:141:48:4310:528:02
20:06
+11:57
10.5M
10.50 mi08:41:451:51:1410:362:31
5:02
-15:04
12M
12.00 mi09:03:082:12:3711:0321:23
14:15
+9:13
Finish
13.11 mi09:14:082:23:3710:5711:00
9:55
-4:20

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

5:02 /mi

Average Pace

10:57 /mi

Slowest Pace

20:06 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:33

11% of race

Time at Steady Pace

1:38:39

69% of race

Time at Slower Pace

29:25

20% of race

Average Pace: 10:57 /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 mi07:10:5920:2810:1420:28
10:14
#3427
4M
4.00 mi07:31:0740:3610:0920:08
10:04
#3107
6M
6.00 mi07:54:271:03:5610:3923:20
11:40
#3721
8M
8.00 mi08:18:101:27:3910:5723:43
11:51
#3899
9.6M
9.60 mi08:31:121:40:4110:2913:02
8:09
#3483
10M
10.00 mi08:39:141:48:4310:528:02
20:06
#3473
10.5M
10.50 mi08:41:451:51:1410:362:31
5:02
#3463
12M
12.00 mi09:03:082:12:3711:0321:23
14:15
#3341
Finish
13.11 mi09:14:082:23:3710:5711:00
9:55
#3289
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 51%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:33

Segment Time

11:44/mi

Pace

0.90 mi

Distance

Overall

3369

Men

2199

Division

193

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi2.00 mi342722711942961(Top 45%)1953(Top 54%)160(Top 50%)
4M4.00 mi2.00 mi3107+3202108+163173+212909(Top 44%)2001(Top 55%)163(Top 51%)
6M6.00 mi2.00 mi3721-6142433-325199-264705(Top 72%)2917(Top 81%)244(Top 76%)
8M8.00 mi2.00 mi3899-1782540-107212-134429(Top 67%)2808(Top 78%)236(Top 74%)
9.6M9.60 mi1.60 mi3483+4162310+230190+221683(Top 26%)1123(Top 31%)85(Top 27%)
10M10.00 mi0.40 mi3473+102303+7187+33526(Top 54%)2260(Top 62%)193(Top 61%)
10.5M10.50 mi0.50 mi3463+102300+3186+13231(Top 49%)2132(Top 59%)176(Top 55%)
12M12.00 mi1.50 mi3341+1222219+81179+72961(Top 45%)1953(Top 54%)160(Top 50%)
Finish13.11 mi1.11 mi3289+522191+28177+22758(Top 42%)1848(Top 51%)160(Top 50%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 45%
~flat
+5ft-3ft

Overall

2961

Males

1953

M40-44

160

2M→4M

2.0 - 4.0 mi

Top 44%
×4story building
+67ft-69ft

Overall

2909

Males

2001

M40-44

163

4M→6M

4.0 - 6.0 mi

Top 72%
×9story building
+123ft-9ft

Overall

4705

Males

2917

M40-44

244

6M→8M

6.0 - 8.0 mi

Top 67%
×12story building
+166ft-53ft

Overall

4429

Males

2808

M40-44

236

8M→9.6M

8.0 - 9.6 mi

Top 26%
×13story building
+68ft-193ft

Overall

1683

Males

1123

M40-44

85

9.6M→10M

9.6 - 10.0 mi

Top 54%
×2story building
+0ft-24ft

Overall

3526

Males

2260

M40-44

193

10M→10.5M

10.0 - 10.5 mi

Top 49%
×6story building
+1ft-73ft

Overall

3231

Males

2132

M40-44

176

10.5M→12M

10.5 - 12.0 mi

Top 45%
×21story building
+280ft-26ft

Overall

2961

Males

1953

M40-44

160

12M→Finish

12.0 - 13.1 mi

Top 42%
×7story building
+14ft-89ft

Overall

2758

Males

1848

M40-44

160

Passing Analysis

Category:
Athletes Passed
1157*
Passed By
1019
Net Change
+138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#3427
2M → 4M36343+320#3427#3107
4M → 6M18632-614#3107#3721
6M → 8M72*250-178#3721#3899
8M → 9.6M4237+416#3899#3483
9.6M → 10M4232+10#3483#3473
10M → 10.5M155+10#3473#3463
10.5M → 12M15432+122#3463#3341
12M → Finish70*18+52#3341#3289
TOTALS1157*1019+138

* 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