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SF MARATHON 1ST HALF 2026

Jeongsuk Choi

Seaside, CA

Bib: 15194 M 34

0:00
0:00
/ mi
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Overall
#0 / 6575
Top 34%
Gender (Male)
#0 / 3619
Top 44%
Division (M30-34)
#0 / 772
Top 45%
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
10:22/mi
20:44
→ flat
4M
9:23/mi
39:29
↑ 67↓ 69
6M
10:31/mi
1:00:32
↑ 123
8M
9:17/mi
1:19:06
↑ 166↓ 53
9.6M
9:17/mi
1:33:58
↑ 68↓ 193
10.26M
10:20/mi
1:40:47
↓ 114
10.5M
10:13/mi
1:43:14
→ flat
12M
12:39/mi
2:02:12
↑ 280
Finish· 13.11 mi
9:23/mi
2:12:37
↑ 14↓ 89
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:00:3210:05 /mi⚡ faster
2nd Half
1:12:0510:08 /mi+19.1%
Positive split — 19.1% 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
20:4410:222.00 mi20:44
10:22
-
4M
39:299:522.00 mi18:45
9:23
-0:59
6M
1:00:3210:052.00 mi21:03
10:31
+1:08
8M
1:19:069:532.00 mi18:34
9:17
-1:14
9.6M
1:33:589:471.60 mi14:52
9:17
0:00
10.26M
1:40:479:490.66 mi6:49
10:20
+1:03
10.5M
1:43:149:500.24 mi2:27
10:13
-0:07
12M
2:02:1210:111.50 mi18:58
12:39
+2:26
Finish(13.11 mi)
2:12:3710:071.11 mi10:25
9:23
-3:16
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

9:17 /mi

Average Pace

10:07 /mi

Slowest Pace

12:39 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:02:36

47% of race

Time at Steady Pace

51:03

38% of race

Time at Slower Pace

18:58

14% of race

Average Pace: 10:07 /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 30%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

9:16

Segment Time

10:18/mi

Pace

0.90 mi

Distance

Overall

1995

Men

1431

Division

317

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
2M2.00 mi3686241550616711213273
4M2.00 mi2656+10301850+565391+11519531440310
6M2.00 mi2899-2431989-139413-2233522237472
8M2.00 mi2486+4131777+212374+3915631202263
9.6M1.60 mi2533-471781-4375-131071935419
10.26M0.66 mi2455+781732+49365+1018271330297
10.5M0.24 mi2458-31734-236528611917419
12M1.50 mi2302+1561632+102348+1716711213273
Finish(13.11 mi)1.11 mi2263+391607+25346+221121502337

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 25%
~flat
+5ft-3ft

Overall

1671

Males

1213

M30-34

274

2M→4M

2.0 - 4.0 mi

Top 30%
×4story building
+67ft-69ft

Overall

1953

Males

1440

M30-34

312

4M→6M

4.0 - 6.0 mi

Top 51%
×9story building
+123ft-9ft

Overall

3352

Males

2237

M30-34

474

6M→8M

6.0 - 8.0 mi

Top 24%
×12story building
+166ft-53ft

Overall

1563

Males

1202

M30-34

264

8M→9.6M

8.0 - 9.6 mi

Top 47%
×13story building
+68ft-193ft

Overall

3107

Males

1935

M30-34

420

9.6M→10.26M

9.6 - 10.3 mi

Top 28%
×9story building
+0ft-114ft

Overall

1827

Males

1330

M30-34

298

10.26M→10.5M

10.3 - 10.5 mi

Top 44%
~flat
+1ft-0ft

Overall

2861

Males

1917

M30-34

421

10.5M→12M

10.5 - 12.0 mi

Top 25%
×21story building
+280ft-26ft

Overall

1671

Males

1213

M30-34

274

12M→Finish

12.0 - 13.1 mi

Top 32%
×7story building
+14ft-89ft

Overall

2112

Males

1502

M30-34

337

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#3686
2M → 4M
11031+1030
#3686 → #2656
4M → 6M
27532-243
#2656 → #2899
6M → 8M
8421*+413
#2899 → #2486
8M → 9.6M
13386-47
#2486 → #2533
9.6M → 10.26M
280+78
#2533 → #2455
10.26M → 10.5M
74-3
#2455 → #2458
10.5M → 12M
24180+156
#2458 → #2302
12M → Finish
1655*+39
#2302 → #2263
TOTALS
4661889*+1423
#3686 → #2263

* 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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