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SF MARATHON 1ST HALF 2026

Ryan Seltzer

Tucson, AZ

Bib: 12651 M 51

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 19%
Gender (Male)
#0 / 3619
Top 27%
Masters (Masters Men)
#0 / 1030
Top 19%
Division (M50-54)
#0 / 196
Top 19%
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
8:47/mi
17:34
→ flat
4M
8:59/mi
35:31
↑ 67↓ 69
6M
8:55/mi
53:21
↑ 123
8M
9:41/mi
1:12:44
↑ 166↓ 53
9.6M
7:04/mi
1:24:02
↑ 68↓ 193
10M
16:24/mi
1:30:35
↓ 24
10.5M
4:40/mi
1:32:55
↓ 73
12M
12:22/mi
1:51:28
↑ 280
Finish· 13.11 mi
8:38/mi
2:01:03
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
53:218:54 /mi⚡ faster
2nd Half
1:07:429:31 /mi+26.9%
Positive split — 26.9% 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
17:348:472.00 mi17:34
8:47
-
4M
35:318:532.00 mi17:57
8:59
+0:12
6M
53:218:542.00 mi17:50
8:55
-0:04
8M
1:12:449:052.00 mi19:23
9:41
+0:46
9.6M
1:24:028:451.60 mi11:18
7:04
-2:37
10M
1:30:359:040.40 mi6:33
16:24
+9:20
10.5M
1:32:558:510.50 mi2:20
4:40
-11:44
12M
1:51:289:171.50 mi18:33
12:22
+7:42
Finish(13.11 mi)
2:01:039:141.11 mi9:35
8:38
-3:44
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

4:40 /mi

Average Pace

9:14 /mi

Slowest Pace

16:24 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

13:38

11% of race

Time at Steady Pace

1:22:19

68% of race

Time at Slower Pace

25:06

21% of race

Average Pace: 9:14 /mi

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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

1565

Men

1180

Division

47

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
2M2.00 mi1232966401475108344
4M2.00 mi1298-661013-4741-11414110546
6M2.00 mi1293+51017-439+21325104037
8M2.00 mi1440-1471134-11744-51991148669
9.6M1.60 mi1256+184997+13737+771352722
10M0.40 mi1245+11990+736+11455109448
10.5M0.50 mi1266-211005-1537-12228157865
12M1.50 mi1295-291019-1440-31475108344
Finish(13.11 mi)1.11 mi1261+34995+2438+2123995635

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 22%
~flat
+5ft-3ft

Overall

1475

Males

1083

M50-54

44

2M→4M

2.0 - 4.0 mi

Top 22%
×4story building
+67ft-69ft

Overall

1414

Males

1105

M50-54

46

4M→6M

4.0 - 6.0 mi

Top 20%
×9story building
+123ft-9ft

Overall

1325

Males

1040

M50-54

37

6M→8M

6.0 - 8.0 mi

Top 30%
×12story building
+166ft-53ft

Overall

1991

Males

1486

M50-54

69

8M→9.6M

8.0 - 9.6 mi

Top 11%
×13story building
+68ft-193ft

Overall

713

Males

527

M50-54

22

9.6M→10M

9.6 - 10.0 mi

Top 22%
×2story building
+0ft-24ft

Overall

1455

Males

1094

M50-54

48

10M→10.5M

10.0 - 10.5 mi

Top 34%
×6story building
+1ft-73ft

Overall

2228

Males

1578

M50-54

65

10.5M→12M

10.5 - 12.0 mi

Top 22%
×21story building
+280ft-26ft

Overall

1475

Males

1083

M50-54

44

12M→Finish

12.0 - 13.1 mi

Top 19%
×7story building
+14ft-89ft

Overall

1239

Males

956

M50-54

35

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1232
2M → 4M
11448-66
#1232 → #1298
4M → 6M
6873+5
#1298 → #1293
6M → 8M
19649-147
#1293 → #1440
8M → 9.6M
23207+184
#1440 → #1256
9.6M → 10M
2536+11
#1256 → #1245
10M → 10.5M
210-21
#1245 → #1266
10.5M → 12M
7748-29
#1266 → #1295
12M → Finish
1145*+34
#1295 → #1261
TOTALS
535506*-29
#1232 → #1261

* 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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