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SF MARATHON 1ST HALF 2026

Rafael Tobias Alloni

SF, CA

Bib: 20278 M 37

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 27%
Gender (Male)
#0 / 3619
Top 36%
Division (M35-39)
#0 / 582
Top 38%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
9:33/mi
19:07
→ flat
4M
9:27/mi
38:01
↑ 67↓ 69
6M
9:30/mi
57:01
↑ 123
8M
9:04/mi
1:15:09
↑ 166↓ 53
9.6M
9:04/mi
1:29:39
↑ 68↓ 193
10M
16:46/mi
1:36:21
↓ 24
10.5M
4:32/mi
1:38:37
↓ 73
12M
12:20/mi
1:57:07
↑ 280
Finish· 13.11 mi
8:41/mi
2:06:45
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
57:019:30 /mi⚡ faster
2nd Half
1:09:449:49 /mi+22.3%
Positive split — 22.3% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
19:079:332.00 mi19:07
9:33
-
4M
38:019:302.00 mi18:54
9:27
-0:06
6M
57:019:302.00 mi19:00
9:30
+0:03
8M
1:15:099:242.00 mi18:08
9:04
-0:26
9.6M
1:29:399:201.60 mi14:30
9:04
0:00
10M
1:36:219:380.40 mi6:42
16:46
+7:42
10.5M
1:38:379:240.50 mi2:16
4:32
-12:14
12M
1:57:079:461.50 mi18:30
12:20
+7:48
Finish(13.11 mi)
2:06:459:401.11 mi9:38
8:41
-3:39
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

4:32 /mi

Average Pace

9:40 /mi

Slowest Pace

16:46 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:16

2% of race

Time at Steady Pace

1:39:17

78% of race

Time at Slower Pace

25:12

20% of race

Average Pace: 9:40 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 25%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:58

Segment Time

9:58/mi

Pace

0.90 mi

Distance

Overall

1673

Men

1247

Division

207

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2353167728814531069175
4M2.00 mi2154+1991562+115262+2620491506256
6M2.00 mi2094+601534+28259+320481493258
8M2.00 mi1845+2491392+142244+1513501058187
9.6M1.60 mi1958-1131442-50249-528371793294
10M0.40 mi1918+401413+29240+916831239204
10.5M0.50 mi1914+41413242-218991392241
12M1.50 mi1801+1131332+81223+1914531069175
Finish(13.11 mi)1.11 mi1746+551304+28219+41295992160

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 22%
~flat
+5ft-3ft

Overall

1453

Males

1069

M35-39

175

2M→4M

2.0 - 4.0 mi

Top 31%
×4story building
+67ft-69ft

Overall

2049

Males

1506

M35-39

256

4M→6M

4.0 - 6.0 mi

Top 31%
×9story building
+123ft-9ft

Overall

2048

Males

1493

M35-39

258

6M→8M

6.0 - 8.0 mi

Top 21%
×12story building
+166ft-53ft

Overall

1350

Males

1058

M35-39

187

8M→9.6M

8.0 - 9.6 mi

Top 43%
×13story building
+68ft-193ft

Overall

2837

Males

1793

M35-39

294

9.6M→10M

9.6 - 10.0 mi

Top 26%
×2story building
+0ft-24ft

Overall

1683

Males

1239

M35-39

204

10M→10.5M

10.0 - 10.5 mi

Top 29%
×6story building
+1ft-73ft

Overall

1899

Males

1392

M35-39

241

10.5M→12M

10.5 - 12.0 mi

Top 22%
×21story building
+280ft-26ft

Overall

1453

Males

1069

M35-39

175

12M→Finish

12.0 - 13.1 mi

Top 20%
×7story building
+14ft-89ft

Overall

1295

Males

992

M35-39

160

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#2353
2M → 4M
39238+199
#2353 → #2154
4M → 6M
44104+60
#2154 → #2094
6M → 8M
20269*+249
#2094 → #1845
8M → 9.6M
15441-113
#1845 → #1958
9.6M → 10M
1353+40
#1958 → #1918
10M → 10.5M
48+4
#1918 → #1914
10.5M → 12M
34147+113
#1914 → #1801
12M → Finish
1166*+55
#1801 → #1746
TOTALS
319926*+607
#2353 → #1746

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

Passing Visualized

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

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