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SF MARATHON 1ST HALF 2026

David Doctor

Bib: 12030•M•Age: 38

Alameda, CA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 16%
Gender (Male)
#0 / 3619
Top 23%
Division (M35-39)
#0 / 582
Top 24%
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
8:24/mi
16:49
→ flat
4M
8:34/mi
33:57
↑ 67↓ 69
6M
8:47/mi
51:31
↑ 1231.1%
8M
9:25/mi
1:10:22
↑ 166↓ 531.1%
9.6M
6:29/mi
1:20:44
↑ 68↓ 1931.5%
10M
15:46/mi
1:27:02
↓ 241.1%
10.5M
4:14/mi
1:29:09
↓ 732.7%
12M
12:53/mi
1:48:28
↑ 2803.2%
Finish· 13.11 mi
9:01/mi
1:58:28
↑ 14↓ 891.3%

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time51:31
Pace8:35 /mi
2nd Half
Distance7.11 mi
Time1:06:57
Pace9:25 /mi
📊Positive Split: 30.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi06:51:2816:498:2416:49
8:24
-
4M
4.00 mi07:08:3633:578:2917:08
8:34
+0:10
6M
6.00 mi07:26:1051:318:3517:34
8:47
+0:13
8M
8.00 mi07:45:011:10:228:4818:51
9:25
+0:38
9.6M
9.60 mi07:55:231:20:448:2510:22
6:29
-2:56
10M
10.00 mi08:01:411:27:028:426:18
15:46
+9:17
10.5M
10.50 mi08:03:481:29:098:292:07
4:14
-11:32
12M
12.00 mi08:23:071:48:289:0219:19
12:53
+8:39
Finish
13.11 mi08:33:071:58:289:0210:00
9:01
-3:52

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

4:14 /mi

Average Pace

9:02 /mi

Slowest Pace

15:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:29

11% of race

Time at Steady Pace

1:20:22

68% of race

Time at Slower Pace

25:37

22% of race

Average Pace: 9:02 /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 mi06:51:2816:498:2416:49
8:24
#824
4M
4.00 mi07:08:3633:578:2917:08
8:34
#861
6M
6.00 mi07:26:1051:318:3517:34
8:47
#938
8M
8.00 mi07:45:011:10:228:4818:51
9:25
#1107
9.6M
9.60 mi07:55:231:20:448:2510:22
6:29
#846
10M
10.00 mi08:01:411:27:028:426:18
15:46
#839
10.5M
10.50 mi08:03:481:29:098:292:07
4:14
#842
12M
12.00 mi08:23:071:48:289:0219:19
12:53
#975
Finish
13.11 mi08:33:071:58:289:0210:00
9:01
#1021
Faster pace
Steady pace
Slower pace
Featured Segment

Garmin Challenge

Top 16%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:25

Segment Time

9:21/mi

Pace

0.90 mi

Distance

Overall

1044

Men

825

Division

132

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi8246731231824(Top 28%)1313(Top 36%)221(Top 38%)
4M4.00 mi2.00 mi861-37703-30134-11920(Top 14%)746(Top 21%)136(Top 23%)
6M6.00 mi2.00 mi938-77761-58143-91153(Top 18%)929(Top 26%)165(Top 28%)
8M8.00 mi2.00 mi1107-169897-136167-241715(Top 26%)1307(Top 36%)228(Top 39%)
9.6M9.60 mi1.60 mi846+261689+208127+40351(Top 5%)272(Top 8%)39(Top 7%)
10M10.00 mi0.40 mi839+7683+6123+41105(Top 17%)846(Top 23%)129(Top 22%)
10.5M10.50 mi0.50 mi842-3687-4124-11117(Top 17%)885(Top 24%)145(Top 25%)
12M12.00 mi1.50 mi975-133787-100135-111824(Top 28%)1313(Top 36%)221(Top 38%)
Finish13.11 mi1.11 mi1021-46828-41142-71646(Top 25%)1214(Top 34%)199(Top 34%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 28%
~flat
+5ft-3ft

Overall

1824

Males

1313

M35-39

221

2M→4M

2.0 - 4.0 mi

Top 14%
×4story building
+67ft-69ft

Overall

920

Males

746

M35-39

136

4M→6M

4.0 - 6.0 mi

Top 18%
×9story building
+123ft-9ft

Overall

1153

Males

929

M35-39

165

6M→8M

6.0 - 8.0 mi

Top 26%
×12story building
+166ft-53ft

Overall

1715

Males

1307

M35-39

228

8M→9.6M

8.0 - 9.6 mi

Top 5%
×13story building
+68ft-193ft

Overall

351

Males

272

M35-39

39

9.6M→10M

9.6 - 10.0 mi

Top 17%
×2story building
+0ft-24ft

Overall

1105

Males

846

M35-39

129

10M→10.5M

10.0 - 10.5 mi

Top 17%
×6story building
+1ft-73ft

Overall

1117

Males

885

M35-39

145

10.5M→12M

10.5 - 12.0 mi

Top 28%
×21story building
+280ft-26ft

Overall

1824

Males

1313

M35-39

221

12M→Finish

12.0 - 13.1 mi

Top 25%
×7story building
+14ft-89ft

Overall

1646

Males

1214

M35-39

199

Passing Analysis

Category:
Athletes Passed
417*
Passed By
614
Net Change
-197
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#824
2M → 4M4683-37#824#861
4M → 6M1592-77#861#938
6M → 8M31200-169#938#1107
8M → 9.6M2643+261#1107#846
9.6M → 10M2417+7#846#839
10M → 10.5M47-3#839#842
10.5M → 12M9142-133#842#975
12M → Finish24*70-46#975#1021
TOTALS417*614-197

* 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