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SF MARATHON 1ST HALF 2025

One Hyug Choi

Redwood City, CA

Bib: 12856 M 36

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M35-39)
#0 / 583
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.81M
10:42/mi
19:22
→ flat
12 ft elev
5.34M
10:15/mi
55:34
↑ 80↓ 74
19 ft elev
6.15M
11:14/mi
1:04:40
↑ 1262.8%
149 ft elev
10.54M
10:43/mi
1:51:43
↑ 230↓ 3610.6%
20 ft elev
11.05M
15:47/mi
1:59:46
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
11:03/mi
2:22:32
↑ 97↓ 1140.2%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:04:4010:31 /mi⚡ faster
2nd Half
1:17:5211:11 /mi+20.4%
Positive split — 20.4% 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
1.81M
19:2210:421.81 mi19:22
10:42
-
5.34M
55:3410:243.53 mi36:12
10:15
-0:27
6.15M
1:04:4010:310.81 mi9:06
11:14
+0:59
10.54M
1:51:4310:364.39 mi47:03
10:43
-0:31
11.05M
1:59:4610:500.51 mi8:03
15:47
+5:04
Finish(13.11 mi)
2:22:3210:522.06 mi22:46
11:03
-4:44
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:15 /mi

Average Pace

10:52 /mi

Slowest Pace

15:47 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:14:29

94% of race

Time at Slower Pace

8:03

6% of race

Average Pace: 10:52 /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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.81M1.81 mi5262322147252623221472
5.34M3.53 mi4235+10272721+500398+7438322530378
6.15M0.81 mi4264-292741-20402-444412827416
10.54M4.39 mi4033+2312616+125387+1538812530381
11.05M0.51 mi4073-402640-24391-444332758406
Finish(13.11 mi)2.06 mi4016+572591+49387+438992446352

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 74%
~flat
+4ft-3ft

Overall

5262

Males

3221

M35-39

472

1.81M→5.34M

1.8 - 5.3 mi

Top 54%
×4story building
+80ft-74ft

Overall

3832

Males

2530

M35-39

378

5.34M→6.15M

5.3 - 6.2 mi

Top 63%
×10story building
+126ft-4ft

Overall

4441

Males

2827

M35-39

416

6.15M→10.54M

6.2 - 10.5 mi

Top 55%
×21story building
+230ft-361ft

Overall

3881

Males

2530

M35-39

381

10.54M→11.05M

10.5 - 11.1 mi

Top 62%
×14story building
+172ft-0ft

Overall

4433

Males

2758

M35-39

406

11.05M→Finish

11.1 - 13.1 mi

Top 55%
×7story building
+97ft-114ft

Overall

3899

Males

2446

M35-39

352

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#5262
1.81M → 5.34M
201047*+1027
#5262 → #4235
5.34M → 6.15M
8859-29
#4235 → #4264
6.15M → 10.54M
84315*+231
#4264 → #4033
10.54M → 11.05M
7232-40
#4033 → #4073
11.05M → Finish
60117*+57
#4073 → #4016
TOTALS
3241570*+1246
#5262 → #4016

* 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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