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SF MARATHON 1ST HALF 2026

Jared Isobe

Houston, TX

Bib: 20339 M 26

0:00
0:00
/ mi
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Overall
#0 / 6575
Gender (Male)
#0 / 3619
Division (M25-29)
#0 / 796
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
10:24/mi
20:49
→ flat
4M
10:24/mi
41:37
↑ 67↓ 69
6M
11:50/mi
1:05:18
↑ 123
8M
11:52/mi
1:29:02
↑ 166↓ 53
9.6M
11:52/mi
1:48:02
↑ 68↓ 193
10M
25:34/mi
1:58:15
↓ 24
10.5M
5:16/mi
2:00:53
↓ 73
12M
17:31/mi
2:27:09
↑ 280
Finish· 13.11 mi
13:20/mi
2:41:56
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:05:1810:53 /mi⚡ faster
2nd Half
1:36:3813:36 /mi+48.0%
Positive split — 48.0% 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
20:4910:242.00 mi20:49
10:24
-
4M
41:3710:242.00 mi20:48
10:24
0:00
6M
1:05:1810:532.00 mi23:41
11:50
+1:26
8M
1:29:0211:082.00 mi23:44
11:52
+0:02
9.6M
1:48:0211:151.60 mi19:00
11:52
0:00
10M
1:58:1511:500.40 mi10:13
25:34
+13:42
10.5M
2:00:5311:310.50 mi2:38
5:16
-20:18
12M
2:27:0912:161.50 mi26:16
17:31
+12:15
Finish(13.11 mi)
2:41:5612:211.11 mi14:47
13:20
-4:11
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:16 /mi

Average Pace

12:21 /mi

Slowest Pace

25:34 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:38

2% of race

Time at Steady Pace

2:02:49

76% of race

Time at Slower Pace

36:29

23% of race

Average Pace: 12:21 /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 83%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

12:51

Segment Time

14:17/mi

Pace

0.90 mi

Distance

Overall

5446

Men

3141

Division

703

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi3749245355551552992675
4M2.00 mi3548+2012343+110541+1433832259525
6M2.00 mi4034-4862608-265603-6249003009693
8M2.00 mi4133-992671-63612-944372813634
9.6M1.60 mi4521-3882820-149649-3757343262733
10M0.40 mi4709-1882910-90662-1357683261725
10.5M0.50 mi4680+292893+17658+438512463576
12M1.50 mi4796-1162928-35667-951552992675
Finish(13.11 mi)1.11 mi4903-1072967-39677-1057313237725

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 78%
~flat
+5ft-3ft

Overall

5155

Males

2992

M25-29

676

2M→4M

2.0 - 4.0 mi

Top 51%
×4story building
+67ft-69ft

Overall

3383

Males

2259

M25-29

526

4M→6M

4.0 - 6.0 mi

Top 75%
×9story building
+123ft-9ft

Overall

4900

Males

3009

M25-29

695

6M→8M

6.0 - 8.0 mi

Top 67%
×12story building
+166ft-53ft

Overall

4437

Males

2813

M25-29

635

8M→9.6M

8.0 - 9.6 mi

Top 87%
×13story building
+68ft-193ft

Overall

5734

Males

3262

M25-29

734

9.6M→10M

9.6 - 10.0 mi

Top 88%
×2story building
+0ft-24ft

Overall

5768

Males

3261

M25-29

726

10M→10.5M

10.0 - 10.5 mi

Top 59%
×6story building
+1ft-73ft

Overall

3851

Males

2463

M25-29

577

10.5M→12M

10.5 - 12.0 mi

Top 78%
×21story building
+280ft-26ft

Overall

5155

Males

2992

M25-29

676

12M→Finish

12.0 - 13.1 mi

Top 87%
×7story building
+14ft-89ft

Overall

5731

Males

3237

M25-29

725

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#3749
2M → 4M
71272+201
#3749 → #3548
4M → 6M
50418-486
#3548 → #4034
6M → 8M
211112*-99
#4034 → #4133
8M → 9.6M
3935-388
#4133 → #4521
9.6M → 10M
20113-188
#4521 → #4709
10M → 10.5M
736+29
#4709 → #4680
10.5M → 12M
16246*-116
#4680 → #4796
12M → Finish
14336*-107
#4796 → #4903
TOTALS
1692538*-1154
#3749 → #4903

* 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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