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SF MARATHON 1ST HALF 2026

Daniel Welch

Addison, TX

Bib: 16881 M 30

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M30-34)
#0 / 772
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
11:09/mi
22:18
→ flat
4M
11:30/mi
45:18
↑ 67↓ 69
6M
11:10/mi
1:07:38
↑ 123
8M
10:34/mi
1:28:47
↑ 166↓ 53
9.6M
10:34/mi
1:45:42
↑ 68↓ 193
10.26M
11:51/mi
1:53:31
↓ 114
10.5M
11:15/mi
1:56:13
→ flat
12M
15:21/mi
2:19:14
↑ 280
Finish· 13.11 mi
11:19/mi
2:31:47
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:07:3811:16 /mi⚡ faster
2nd Half
1:24:0911:50 /mi+24.4%
Positive split — 24.4% 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
22:1811:092.00 mi22:18
11:09
-
4M
45:1811:202.00 mi23:00
11:30
+0:21
6M
1:07:3811:162.00 mi22:20
11:10
-0:20
8M
1:28:4711:062.00 mi21:09
10:34
-0:36
9.6M
1:45:4211:011.60 mi16:55
10:34
0:00
10.26M
1:53:3111:040.66 mi7:49
11:51
+1:17
10.5M
1:56:1311:040.24 mi2:42
11:15
-0:36
12M
2:19:1411:361.50 mi23:01
15:21
+4:06
Finish(13.11 mi)
2:31:4711:351.11 mi12:33
11:19
-4:02
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

10:34 /mi

Average Pace

11:35 /mi

Slowest Pace

15:21 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:08:46

85% of race

Time at Slower Pace

23:01

15% of race

Average Pace: 11:35 /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 51%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:31

Segment Time

11:41/mi

Pace

0.90 mi

Distance

Overall

3341

Men

2183

Division

476

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi4946301263137862370513
4M2.00 mi4930+163009+3628+348732963625
6M2.00 mi4591+3392867+142609+1940892612555
8M2.00 mi4086+5052646+221550+5930772111453
9.6M1.60 mi4156-702651-5557-746372732586
10.26M0.66 mi4044+1122586+65548+932532128469
10.5M0.24 mi4046-22586547+141842610565
12M1.50 mi3981+652540+46533+1437862370513
Finish(13.11 mi)1.11 mi4005-242545-5542-943512631566

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 58%
~flat
+5ft-3ft

Overall

3786

Males

2370

M30-34

515

2M→4M

2.0 - 4.0 mi

Top 74%
×4story building
+67ft-69ft

Overall

4873

Males

2963

M30-34

628

4M→6M

4.0 - 6.0 mi

Top 62%
×9story building
+123ft-9ft

Overall

4089

Males

2612

M30-34

557

6M→8M

6.0 - 8.0 mi

Top 47%
×12story building
+166ft-53ft

Overall

3077

Males

2111

M30-34

455

8M→9.6M

8.0 - 9.6 mi

Top 71%
×13story building
+68ft-193ft

Overall

4637

Males

2732

M30-34

588

9.6M→10.26M

9.6 - 10.3 mi

Top 49%
×9story building
+0ft-114ft

Overall

3253

Males

2128

M30-34

470

10.26M→10.5M

10.3 - 10.5 mi

Top 64%
~flat
+1ft-0ft

Overall

4184

Males

2610

M30-34

567

10.5M→12M

10.5 - 12.0 mi

Top 58%
×21story building
+280ft-26ft

Overall

3786

Males

2370

M30-34

515

12M→Finish

12.0 - 13.1 mi

Top 66%
×7story building
+14ft-89ft

Overall

4351

Males

2631

M30-34

566

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#4946
2M → 4M
175191+16
#4946 → #4930
4M → 6M
17356*+339
#4930 → #4591
6M → 8M
10515*+505
#4591 → #4086
8M → 9.6M
15686-70
#4086 → #4156
9.6M → 10.26M
4116+112
#4156 → #4044
10.26M → 10.5M
119-2
#4044 → #4046
10.5M → 12M
64129*+65
#4046 → #3981
12M → Finish
7551*-24
#3981 → #4005
TOTALS
5121453*+941
#4946 → #4005

* 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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