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SF MARATHON 1ST HALF 2026

Matthew Belville

Loomis, CA

Bib: 15238 M 24

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 12%
Gender (Male)
#0 / 3619
Top 18%
M20-29
#0 / 358
Top 23%
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
7:19/mi
14:38
→ flat
4M
7:54/mi
30:25
↑ 67↓ 69
6M
7:52/mi
46:10
↑ 123
8M
9:25/mi
1:05:00
↑ 166↓ 53
9.6M
6:27/mi
1:15:20
↑ 68↓ 193
10.26M
10:02/mi
1:21:57
↓ 114
10.5M
9:27/mi
1:24:13
→ flat
12M
13:53/mi
1:45:03
↑ 280
Finish· 13.11 mi
9:27/mi
1:55:32
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
46:107:42 /mi⚡ faster
2nd Half
1:09:229:45 /mi+50.3%
Positive split — 50.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
14:387:192.00 mi14:38
7:19
-
4M
30:257:362.00 mi15:47
7:54
+0:35
6M
46:107:422.00 mi15:45
7:52
-0:02
8M
1:05:008:072.00 mi18:50
9:25
+1:33
9.6M
1:15:207:511.60 mi10:20
6:27
-2:58
10.26M
1:21:577:590.66 mi6:37
10:02
+3:35
10.5M
1:24:138:010.24 mi2:16
9:27
-0:35
12M
1:45:038:451.50 mi20:50
13:53
+4:26
Finish(13.11 mi)
1:55:328:491.11 mi10:29
9:27
-4:26
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:27 /mi

Average Pace

8:49 /mi

Slowest Pace

13:53 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

56:30

49% of race

Time at Steady Pace

38:12

33% of race

Time at Slower Pace

20:50

18% of race

Average Pace: 8:49 /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 24%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

8:53

Segment Time

9:52/mi

Pace

0.90 mi

Distance

Overall

1563

Men

1179

Division

153

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi1831681826351783206
4M2.00 mi270-87233-6528-1040234143
6M2.00 mi291-21249-1633-540334446
8M2.00 mi499-208424-17551-1817091302148
9.6M1.60 mi418+81354+7045+634026239
10.26M0.66 mi463-45389-3551-615391156147
10.5M0.24 mi483-20404-1553-218961386172
12M1.50 mi737-254603-19975-2226351783206
Finish(13.11 mi)1.11 mi794-57652-4983-821821537192

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 40%
~flat
+5ft-3ft

Overall

2635

Males

1783

M20-24

207

2M→4M

2.0 - 4.0 mi

Top 6%
×4story building
+67ft-69ft

Overall

402

Males

341

M20-24

44

4M→6M

4.0 - 6.0 mi

Top 6%
×9story building
+123ft-9ft

Overall

403

Males

344

M20-24

47

6M→8M

6.0 - 8.0 mi

Top 26%
×12story building
+166ft-53ft

Overall

1709

Males

1302

M20-24

149

8M→9.6M

8.0 - 9.6 mi

Top 5%
×13story building
+68ft-193ft

Overall

340

Males

262

M20-24

40

9.6M→10.26M

9.6 - 10.3 mi

Top 23%
×9story building
+0ft-114ft

Overall

1539

Males

1156

M20-24

148

10.26M→10.5M

10.3 - 10.5 mi

Top 29%
~flat
+1ft-0ft

Overall

1896

Males

1386

M20-24

173

10.5M→12M

10.5 - 12.0 mi

Top 40%
×21story building
+280ft-26ft

Overall

2635

Males

1783

M20-24

207

12M→Finish

12.0 - 13.1 mi

Top 33%
×7story building
+14ft-89ft

Overall

2182

Males

1537

M20-24

192

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#183
2M → 4M
881-87
#183 → #270
4M → 6M
3211-21
#270 → #291
6M → 8M
2091-208
#291 → #499
8M → 9.6M
1596+81
#499 → #418
9.6M → 10.26M
461-45
#418 → #463
10.26M → 10.5M
200-20
#463 → #483
10.5M → 12M
2573-254
#483 → #737
12M → Finish
7619*-57
#737 → #794
TOTALS
743132*-611
#183 → #794

* 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

Race Place Events

Race Place Events