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SF MARATHON 1ST HALF 2026

Samuel Keamy

Bib: 20105•M•Age: 21

Andover, MA

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 38%
Gender (Male)
#0 / 3619
Top 48%
M20-29
#0 / 358
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
2M
19:50
Rank: #2893
Start → 2M
19:50 | 9:55/mi
4M
39:30
Rank: #2664 (+229)
2M → 4M
19:40 | 9:50/mi
6M
58:19
Rank: #2371 (+293)
4M → 6M
18:49 | 9:24/mi
8M
1:16:53
Rank: #2121 (+250)
6M → 8M
18:34 | 9:17/mi
9.6M
1:31:44
Rank: #2246 (-125)
8M → 9.6M
14:51 | 9:17/mi
10M
1:38:20
Rank: #2167 (+79)
9.6M → 10M
6:36 | 16:31/mi
10.5M
1:40:33
Rank: #2152 (+15)
10M → 10.5M
2:13 | 4:26/mi
12M
2:05:14
Rank: #2570 (-418)
10.5M → 12M
24:41 | 16:27/mi
Finish· 13.11 mi
2:15:20
Rank: #2488 (+82)
12M → Finish
10:06 | 9:06/mi

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time58:19
Pace9:43 /mi
2nd Half
Distance7.11 mi
Time1:17:01
Pace10:50 /mi
📊Positive Split: 32.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi07:10:3419:509:5519:50
9:55
-
4M
4.00 mi07:30:1439:309:5319:40
9:50
-0:05
6M
6.00 mi07:49:0358:199:4318:49
9:24
-0:26
8M
8.00 mi08:07:371:16:539:3718:34
9:17
-0:07
9.6M
9.60 mi08:22:281:31:449:3314:51
9:17
0:00
10M
10.00 mi08:29:041:38:209:506:36
16:31
+7:14
10.5M
10.50 mi08:31:171:40:339:352:13
4:26
-12:05
12M
12.00 mi08:55:582:05:1410:2624:41
16:27
+12:01
Finish
13.11 mi09:06:042:15:2010:1910:06
9:06
-7:21

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

4:26 /mi

Average Pace

10:19 /mi

Slowest Pace

16:31 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13

2% of race

Time at Steady Pace

1:41:50

75% of race

Time at Slower Pace

31:17

23% of race

Average Pace: 10:19 /mi

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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 mi07:10:3419:509:5519:50
9:55
#2893
4M
4.00 mi07:30:1439:309:5319:40
9:50
#2664
6M
6.00 mi07:49:0358:199:4318:49
9:24
#2371
8M
8.00 mi08:07:371:16:539:3718:34
9:17
#2121
9.6M
9.60 mi08:22:281:31:449:3314:51
9:17
#2246
10M
10.00 mi08:29:041:38:209:506:36
16:31
#2167
10.5M
10.50 mi08:31:171:40:339:352:13
4:26
#2152
12M
12.00 mi08:55:582:05:1410:2624:41
16:27
#2570
Finish
13.11 mi09:06:042:15:2010:1910:06
9:06
#2488
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior
Featured Segment

Garmin Challenge

Top 23%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:49

Segment Time

9:48/mi

Pace

0.90 mi

Distance

Overall

1507

Men

1146

Division

148

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi2.00 mi289319862294513(Top 69%)2717(Top 75%)289(Top 81%)
4M4.00 mi2.00 mi2664+2291854+132223+62561(Top 39%)1797(Top 50%)219(Top 61%)
6M6.00 mi2.00 mi2371+2931687+167207+161929(Top 29%)1430(Top 40%)178(Top 50%)
8M8.00 mi2.00 mi2121+2501562+125191+161559(Top 24%)1199(Top 33%)140(Top 39%)
9.6M9.60 mi1.60 mi2246-1251600-38194-33104(Top 47%)1933(Top 53%)223(Top 62%)
10M10.00 mi0.40 mi2167+791557+43189+51549(Top 24%)1162(Top 32%)146(Top 41%)
10.5M10.50 mi0.50 mi2152+151550+7188+11678(Top 26%)1264(Top 35%)158(Top 44%)
12M12.00 mi1.50 mi2570-4181783-233212-244513(Top 69%)2717(Top 75%)289(Top 81%)
Finish13.11 mi1.11 mi2488+821743+40210+21768(Top 27%)1294(Top 36%)167(Top 47%)

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 69%
~flat
+5ft-3ft

Overall

4513

Males

2717

M20-24

290

2M→4M

2.0 - 4.0 mi

Top 39%
×4stories
+67ft-69ft

Overall

2561

Males

1797

M20-24

220

4M→6M

4.0 - 6.0 mi

Top 29%
×9stories
+123ft-9ft

Overall

1929

Males

1430

M20-24

179

6M→8M

6.0 - 8.0 mi

Top 24%
×12stories
+166ft-53ft

Overall

1559

Males

1199

M20-24

141

8M→9.6M

8.0 - 9.6 mi

Top 47%
×13stories
+68ft-193ft

Overall

3104

Males

1933

M20-24

224

9.6M→10M

9.6 - 10.0 mi

Top 24%
×2stories
+0ft-24ft

Overall

1549

Males

1162

M20-24

147

10M→10.5M

10.0 - 10.5 mi

Top 26%
×6stories
+1ft-73ft

Overall

1678

Males

1264

M20-24

158

10.5M→12M

10.5 - 12.0 mi

Top 69%
×21stories
+280ft-26ft

Overall

4513

Males

2717

M20-24

290

12M→Finish

12.0 - 13.1 mi

Top 27%
×7stories
+14ft-89ft

Overall

1768

Males

1294

M20-24

167

Passing Analysis

Category:
Athletes Passed
1067*
Passed By
662
Net Change
+405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#2893
2M → 4M28455+229#2893#2664
4M → 6M2996+293#2664#2371
6M → 8M267*17+250#2371#2121
8M → 9.6M32157-125#2121#2246
9.6M → 10M801+79#2246#2167
10M → 10.5M150+15#2167#2152
10.5M → 12M4422-418#2152#2570
12M → Finish86*4+82#2570#2488
TOTALS1067*662+405

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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