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SF MARATHON 1ST HALF 2025

Henry Chang

San Jose, CA

Bib: 11522 M 35

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 14%
Gender (Male)
#0 / 3977
Top 21%
Division (M35-39)
#0 / 583
Top 20%
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
7:42/mi
13:56
→ flat
12 ft elev
5.34M
8:14/mi
43:01
↑ 80↓ 74
19 ft elev
6.15M
8:36/mi
49:59
↑ 1262.8%
149 ft elev
10.54M
8:33/mi
1:27:30
↑ 230↓ 3610.6%
20 ft elev
11.05M
10:49/mi
1:33:01
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
10:32/mi
1:54:43
↑ 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
49:598:08 /mi⚡ faster
2nd Half
1:04:449:18 /mi+29.5%
Positive split — 29.5% 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
13:567:421.81 mi13:56
7:42
-
5.34M
43:018:033.53 mi29:05
8:14
+0:32
6.15M
49:598:080.81 mi6:58
8:36
+0:22
10.54M
1:27:308:184.39 mi37:31
8:33
-0:03
11.05M
1:33:018:250.51 mi5:31
10:49
+2:16
Finish(13.11 mi)
1:54:438:452.06 mi21:42
10:32
-0:17
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:42 /mi

Average Pace

8:45 /mi

Slowest Pace

10:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

13:56

12% of race

Time at Steady Pace

1:13:34

64% of race

Time at Slower Pace

27:13

24% of race

Average Pace: 8:45 /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 mi3653143636531436
5.34M3.53 mi653-288551-23774-3883168292
6.15M0.81 mi676-23569-1875-187672196
10.54M4.39 mi801-125670-10192-17998822109
11.05M0.51 mi782+19651+1990+280267179
Finish(13.11 mi)2.06 mi1024-242837-186115-2532062087299

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 5%
~flat
+4ft-3ft

Overall

365

Males

314

M35-39

36

1.81M→5.34M

1.8 - 5.3 mi

Top 12%
×4story building
+80ft-74ft

Overall

831

Males

682

M35-39

92

5.34M→6.15M

5.3 - 6.2 mi

Top 12%
×10story building
+126ft-4ft

Overall

876

Males

721

M35-39

96

6.15M→10.54M

6.2 - 10.5 mi

Top 14%
×21story building
+230ft-361ft

Overall

998

Males

822

M35-39

109

10.54M→11.05M

10.5 - 11.1 mi

Top 11%
×14story building
+172ft-0ft

Overall

802

Males

671

M35-39

79

11.05M→Finish

11.1 - 13.1 mi

Top 45%
×7story building
+97ft-114ft

Overall

3206

Males

2087

M35-39

299

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#365
1.81M → 5.34M
2946-288
#365 → #653
5.34M → 6.15M
329-23
#653 → #676
6.15M → 10.54M
14621-125
#676 → #801
10.54M → 11.05M
827+19
#801 → #782
11.05M → Finish
2475*-242
#782 → #1024
TOTALS
72768*-659
#365 → #1024

* 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