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SF MARATHON 1ST HALF 2026

Christopher Seidel

Metamora, MI

Bib: 14578 M 40

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 10%
Gender (Male)
#0 / 3619
Top 15%
Masters (Masters Men)
#0 / 1030
Top 10%
Division (M40-44)
#0 / 319
Top 15%
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
8:56/mi
17:53
→ flat
4M
8:22/mi
34:37
↑ 67↓ 69
6M
8:19/mi
51:16
↑ 123
8M
7:54/mi
1:07:04
↑ 166↓ 53
9.6M
7:54/mi
1:19:43
↑ 68↓ 193
10.26M
8:46/mi
1:25:30
↓ 114
10.5M
8:33/mi
1:27:33
→ flat
12M
11:12/mi
1:44:21
↑ 280
Finish· 13.11 mi
8:16/mi
1:53:31
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
51:168:33 /mi⚡ faster
2nd Half
1:02:158:45 /mi+21.4%
Positive split — 21.4% 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
17:538:562.00 mi17:53
8:56
-
4M
34:378:392.00 mi16:44
8:22
-0:34
6M
51:168:332.00 mi16:39
8:19
-0:03
8M
1:07:048:232.00 mi15:48
7:54
-0:25
9.6M
1:19:438:181.60 mi12:39
7:54
0:00
10.26M
1:25:308:200.66 mi5:47
8:46
+0:52
10.5M
1:27:338:200.24 mi2:03
8:33
-0:13
12M
1:44:218:421.50 mi16:48
11:12
+2:39
Finish(13.11 mi)
1:53:318:401.11 mi9:10
8:16
-2:56
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

7:54 /mi

Average Pace

8:40 /mi

Slowest Pace

11:12 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:18:50

69% of race

Time at Slower Pace

34:41

31% of race

Average Pace: 8:40 /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 8%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

7:50

Segment Time

8:42/mi

Pace

0.90 mi

Distance

Overall

527

Men

443

Division

35

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
2M2.00 mi143610988970056247
4M2.00 mi1013+423815+28369+2073060250
6M2.00 mi894+119727+8860+969858248
8M2.00 mi680+214569+15849+1139934732
9.6M1.60 mi749-69617-4852-3143395570
10.26M0.66 mi717+32590+2751+151242736
10.5M0.24 mi708+9582+85181465747
12M1.50 mi701+7573+948+370056247
Finish(13.11 mi)1.11 mi671+30557+1647+182967057

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 11%
~flat
+5ft-3ft

Overall

700

Males

562

M40-44

47

2M→4M

2.0 - 4.0 mi

Top 11%
×4story building
+67ft-69ft

Overall

730

Males

602

M40-44

50

4M→6M

4.0 - 6.0 mi

Top 11%
×9story building
+123ft-9ft

Overall

698

Males

582

M40-44

48

6M→8M

6.0 - 8.0 mi

Top 6%
×12story building
+166ft-53ft

Overall

399

Males

347

M40-44

32

8M→9.6M

8.0 - 9.6 mi

Top 22%
×13story building
+68ft-193ft

Overall

1433

Males

955

M40-44

70

9.6M→10.26M

9.6 - 10.3 mi

Top 8%
×9story building
+0ft-114ft

Overall

512

Males

427

M40-44

36

10.26M→10.5M

10.3 - 10.5 mi

Top 12%
~flat
+1ft-0ft

Overall

814

Males

657

M40-44

47

10.5M→12M

10.5 - 12.0 mi

Top 11%
×21story building
+280ft-26ft

Overall

700

Males

562

M40-44

47

12M→Finish

12.0 - 13.1 mi

Top 13%
×7story building
+14ft-89ft

Overall

829

Males

670

M40-44

57

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#1436
2M → 4M
3426+423
#1436 → #1013
4M → 6M
6125+119
#1013 → #894
6M → 8M
1215+214
#894 → #680
8M → 9.6M
9223-69
#680 → #749
9.6M → 10.26M
032+32
#749 → #717
10.26M → 10.5M
211+9
#717 → #708
10.5M → 12M
3138+7
#708 → #701
12M → Finish
838*+30
#701 → #671
TOTALS
143908*+765
#1436 → #671

* 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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Race Place Events