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SF MARATHON 1ST HALF 2026

David Shieh

Palo Alto, CA

Bib: 16926 M 64

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 50%
Gender (Male)
#0 / 3619
Masters (Masters Men)
#0 / 1030
Top 50%
Division (M60-64)
#0 / 87
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
10:46/mi
21:33
→ flat
4M
11:03/mi
43:38
↑ 67↓ 69
6M
10:38/mi
1:04:55
↑ 123
8M
11:18/mi
1:27:31
↑ 166↓ 53
9.6M
10:02/mi
1:43:34
↑ 68↓ 193
10.26M
10:49/mi
1:50:42
↓ 114
10.5M
10:17/mi
1:53:10
→ flat
12M
13:11/mi
2:12:57
↑ 280
Finish· 13.11 mi
9:33/mi
2:23:33
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:04:5510:49 /mi⚡ faster
2nd Half
1:18:3811:04 /mi+21.1%
Positive split — 21.1% 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
21:3310:462.00 mi21:33
10:46
-
4M
43:3810:552.00 mi22:05
11:03
+0:17
6M
1:04:5510:492.00 mi21:17
10:38
-0:25
8M
1:27:3110:562.00 mi22:36
11:18
+0:40
9.6M
1:43:3410:471.60 mi16:03
10:02
-1:16
10.26M
1:50:4210:470.66 mi7:08
10:49
+0:47
10.5M
1:53:1010:470.24 mi2:28
10:17
-0:32
12M
2:12:5711:051.50 mi19:47
13:11
+2:54
Finish(13.11 mi)
2:23:3310:571.11 mi10:36
9:33
-3:38
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:33 /mi

Average Pace

10:57 /mi

Slowest Pace

13:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

26:39

19% of race

Time at Steady Pace

1:14:31

52% of race

Time at Slower Pace

42:23

30% of race

Average Pace: 10:57 /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 36%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:36

Segment Time

10:40/mi

Pace

0.90 mi

Distance

Overall

2360

Men

1657

Division

22

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
2M2.00 mi43332743472095147921
4M2.00 mi4278+552717+2646+14263269948
6M2.00 mi3942+3362559+15844+23477230936
8M2.00 mi3873+692522+3741+33865251445
9.6M1.60 mi3857+162501+2142-14028242145
10.26M0.66 mi3713+1442428+7340+22288160119
10.5M0.24 mi3694+192420+8403033201530
12M1.50 mi3388+3062243+17734+62095147921
Finish(13.11 mi)1.11 mi3286+1022189+5433+12341161722

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 32%
~flat
+5ft-3ft

Overall

2095

Males

1479

M60-64

21

2M→4M

2.0 - 4.0 mi

Top 65%
×4story building
+67ft-69ft

Overall

4263

Males

2699

M60-64

48

4M→6M

4.0 - 6.0 mi

Top 53%
×9story building
+123ft-9ft

Overall

3477

Males

2309

M60-64

36

6M→8M

6.0 - 8.0 mi

Top 59%
×12story building
+166ft-53ft

Overall

3865

Males

2514

M60-64

45

8M→9.6M

8.0 - 9.6 mi

Top 61%
×13story building
+68ft-193ft

Overall

4028

Males

2421

M60-64

45

9.6M→10.26M

9.6 - 10.3 mi

Top 35%
×9story building
+0ft-114ft

Overall

2288

Males

1601

M60-64

19

10.26M→10.5M

10.3 - 10.5 mi

Top 46%
~flat
+1ft-0ft

Overall

3033

Males

2015

M60-64

30

10.5M→12M

10.5 - 12.0 mi

Top 32%
×21story building
+280ft-26ft

Overall

2095

Males

1479

M60-64

21

12M→Finish

12.0 - 13.1 mi

Top 36%
×7story building
+14ft-89ft

Overall

2341

Males

1617

M60-64

22

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4333
2M → 4M
158213+55
#4333 → #4278
4M → 6M
17353*+336
#4278 → #3942
6M → 8M
111180*+69
#3942 → #3873
8M → 9.6M
111127+16
#3873 → #3857
9.6M → 10.26M
2146+144
#3857 → #3713
10.26M → 10.5M
120+19
#3713 → #3694
10.5M → 12M
8314*+306
#3694 → #3388
12M → Finish
6108*+102
#3388 → #3286
TOTALS
4141461*+1047
#4333 → #3286

* 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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