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SF MARATHON 1ST HALF 2026

John Ly

Seattle, WA

Bib: 15285 M 42

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 45%
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Top 44%
Division (M40-44)
#0 / 319
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
10:43/mi
21:27
→ flat
4M
10:20/mi
42:06
↑ 67↓ 69
6M
10:21/mi
1:02:49
↑ 123
8M
10:38/mi
1:24:05
↑ 166↓ 53
9.6M
10:38/mi
1:41:05
↑ 68↓ 193
10M
17:16/mi
1:47:59
↓ 24
10.5M
4:32/mi
1:50:15
↓ 73
12M
12:54/mi
2:09:36
↑ 280
Finish· 13.11 mi
9:15/mi
2:19:52
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:02:4910:28 /mi⚡ faster
2nd Half
1:17:0310:50 /mi+22.7%
Positive split — 22.7% 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
21:2710:432.00 mi21:27
10:43
-
4M
42:0610:322.00 mi20:39
10:20
-0:23
6M
1:02:4910:282.00 mi20:43
10:21
+0:01
8M
1:24:0510:312.00 mi21:16
10:38
+0:17
9.6M
1:41:0510:321.60 mi17:00
10:38
0:00
10M
1:47:5910:480.40 mi6:54
17:16
+6:38
10.5M
1:50:1510:300.50 mi2:16
4:32
-12:44
12M
2:09:3610:481.50 mi19:21
12:54
+8:22
Finish(13.11 mi)
2:19:5210:401.11 mi10:16
9:15
-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

10:40 /mi

Slowest Pace

17:16 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:16

2% of race

Time at Steady Pace

1:51:21

80% of race

Time at Slower Pace

26:15

19% of race

Average Pace: 10:40 /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 29%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:10

Segment Time

10:11/mi

Pace

0.90 mi

Distance

Overall

1890

Men

1379

Division

108

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi4268271023418491328103
4M2.00 mi3732+5362441+269202+3232622201183
6M2.00 mi3442+2902284+157186+1631012112165
8M2.00 mi3326+1162235+49182+431412146177
9.6M1.60 mi3539-2132339-104192-1046882758233
10M0.40 mi3378+1612252+87183+919671412111
10.5M0.50 mi3340+382233+19181+219501421109
12M1.50 mi3048+2922064+169170+1118491328103
Finish(13.11 mi)1.11 mi2931+1171995+69166+419631412114

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 28%
~flat
+5ft-3ft

Overall

1849

Males

1328

M40-44

103

2M→4M

2.0 - 4.0 mi

Top 50%
×4story building
+67ft-69ft

Overall

3262

Males

2201

M40-44

183

4M→6M

4.0 - 6.0 mi

Top 47%
×9story building
+123ft-9ft

Overall

3101

Males

2112

M40-44

165

6M→8M

6.0 - 8.0 mi

Top 48%
×12story building
+166ft-53ft

Overall

3141

Males

2146

M40-44

177

8M→9.6M

8.0 - 9.6 mi

Top 71%
×13story building
+68ft-193ft

Overall

4688

Males

2758

M40-44

233

9.6M→10M

9.6 - 10.0 mi

Top 30%
×2story building
+0ft-24ft

Overall

1967

Males

1412

M40-44

111

10M→10.5M

10.0 - 10.5 mi

Top 30%
×6story building
+1ft-73ft

Overall

1950

Males

1421

M40-44

109

10.5M→12M

10.5 - 12.0 mi

Top 28%
×21story building
+280ft-26ft

Overall

1849

Males

1328

M40-44

103

12M→Finish

12.0 - 13.1 mi

Top 30%
×7story building
+14ft-89ft

Overall

1963

Males

1412

M40-44

114

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4268
2M → 4M
19555+536
#4268 → #3732
4M → 6M
15305*+290
#3732 → #3442
6M → 8M
83199*+116
#3442 → #3326
8M → 9.6M
23017-213
#3326 → #3539
9.6M → 10M
2163+161
#3539 → #3378
10M → 10.5M
038+38
#3378 → #3340
10.5M → 12M
10302+292
#3340 → #3048
12M → Finish
4121*+117
#3048 → #2931
TOTALS
3631700*+1337
#4268 → #2931

* 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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