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SF MARATHON 1ST HALF 2026

Jason Gonzalez

Mountain View, CA

Bib: 12577 M 22

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 0.7%
Gender (Male)
#0 / 3619
Top 1%
M20-29
#0 / 358
Top 0.8%
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
6:19/mi
12:38
→ flat
4M
6:51/mi
26:19
↑ 67↓ 69
6M
6:50/mi
40:00
↑ 123
8M
6:22/mi
52:44
↑ 166↓ 53
9.6M
6:22/mi
1:02:55
↑ 68↓ 193
9.87M
17:52/mi
1:07:44
↓ 15
10.5M
2:40/mi
1:09:25
↓ 95
12M
9:07/mi
1:23:05
↑ 280
Finish· 13.11 mi
6:49/mi
1:30:39
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
40:006:40 /mi⚡ faster
2nd Half
50:397:07 /mi+26.6%
Positive split — 26.6% 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
12:386:192.00 mi12:38
6:19
-
4M
26:196:352.00 mi13:41
6:51
+0:32
6M
40:006:402.00 mi13:41
6:50
-0:01
8M
52:446:352.00 mi12:44
6:22
-0:28
9.6M
1:02:556:331.60 mi10:11
6:22
0:00
9.87M
1:07:446:520.27 mi4:49
17:52
+11:30
10.5M
1:09:256:370.63 mi1:41
2:40
-15:12
12M
1:23:056:551.50 mi13:40
9:07
+6:27
Finish(13.11 mi)
1:30:396:551.11 mi7:34
6:49
-2:18
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

2:40 /mi

Average Pace

6:55 /mi

Slowest Pace

17:52 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:41

2% of race

Time at Steady Pace

1:10:29

78% of race

Time at Slower Pace

18:29

20% of race

Average Pace: 6:55 /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 0.7%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

6:30

Segment Time

7:13/mi

Pace

0.90 mi

Distance

Overall

49

Men

49

Division

4

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
2M2.00 mi3127186716
4M2.00 mi40-935-82-172663
6M2.00 mi44-439-4273673
8M2.00 mi39+535+41+141361
9.6M1.60 mi48-944-92-129723433
9.87M0.27 mi48442101713
10.5M0.63 mi4844263626
12M1.50 mi61-1355-113-186716
Finish(13.11 mi)1.11 mi49+1249+63959217

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 1%
~flat
+5ft-3ft

Overall

86

Males

71

M20-24

7

2M→4M

2.0 - 4.0 mi

Top 1%
×4story building
+67ft-69ft

Overall

72

Males

66

M20-24

4

4M→6M

4.0 - 6.0 mi

Top 1%
×9story building
+123ft-9ft

Overall

73

Males

67

M20-24

4

6M→8M

6.0 - 8.0 mi

Top 0.6%
×12story building
+166ft-53ft

Overall

41

Males

36

M20-24

2

8M→9.6M

8.0 - 9.6 mi

Top 5%
×13story building
+68ft-193ft

Overall

297

Males

234

M20-24

34

9.6M→9.87M

9.6 - 9.9 mi

Top 2%
×1story
+0ft-15ft

Overall

101

Males

71

M20-24

4

9.87M→10.5M

9.9 - 10.5 mi

Top 1.0%
×8story building
+1ft-95ft

Overall

63

Males

62

M20-24

6

10.5M→12M

10.5 - 12.0 mi

Top 1%
×21story building
+280ft-26ft

Overall

86

Males

71

M20-24

7

12M→Finish

12.0 - 13.1 mi

Top 1%
×7story building
+14ft-89ft

Overall

95

Males

92

M20-24

17

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#31
2M → 4M
90-9
#31 → #40
4M → 6M
40-4
#40 → #44
6M → 8M
27+5
#44 → #39
8M → 9.6M
90-9
#39 → #48
9.6M → 9.87M
110
#48 → #48
9.87M → 10.5M
000
#48 → #48
10.5M → 12M
141-13
#48 → #61
12M → Finish
113*+12
#61 → #49
TOTALS
4022*-18
#31 → #49

* 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