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SF MARATHON 1ST HALF 2025

Michael Chan

Hayward, CA

Bib: 15184 M 54

0:00
0:00
/ mi
Masters
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Masters (Masters Men)
#0 / 1096
Division (M50-54)
#0 / 185
Race Day Weather
56°/46°F
light rain

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
1.81M
10:40/mi
19:19
→ flat
5.34M
10:49/mi
57:30
↑ 80↓ 74
6.15M
11:43/mi
1:06:59
↑ 126
10.54M
11:53/mi
1:59:09
↑ 230↓ 361
11.05M
17:15/mi
2:07:57
↑ 172
Finish· 13.11 mi
13:52/mi
2:36:30
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:06:5910:54 /mi⚡ faster
2nd Half
1:29:3112:52 /mi+33.6%
Positive split — 33.6% 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
19:1910:401.81 mi19:19
10:40
-
5.34M
57:3010:463.53 mi38:11
10:49
+0:09
6.15M
1:06:5910:540.81 mi9:29
11:43
+0:54
10.54M
1:59:0911:184.39 mi52:10
11:53
+0:10
11.05M
2:07:5711:350.51 mi8:48
17:15
+5:22
Finish(13.11 mi)
2:36:3011:562.06 mi28:33
13:52
-3:23
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:40 /mi

Average Pace

11:56 /mi

Slowest Pace

17:15 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

19:19

12% of race

Time at Steady Pace

1:39:50

64% of race

Time at Slower Pace

37:21

24% of race

Average Pace: 11:56 /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. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
1.81M1.81 mi5228320214352283202143
5.34M3.53 mi4877+3513030+172129+1447732986126
6.15M0.81 mi4882-53036-6128+149823087122
10.54M4.39 mi5057-1753104-68131-352803189133
11.05M0.51 mi5095-383123-19130+153393194127
Finish(13.11 mi)2.06 mi5379-2843233-110136-661813520155

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 74%
~flat
+4ft-3ft

Overall

5228

Males

3202

M50-54

145

1.81M→5.34M

1.8 - 5.3 mi

Top 67%
×4story building
+80ft-74ft

Overall

4773

Males

2986

M50-54

127

5.34M→6.15M

5.3 - 6.2 mi

Top 70%
×10story building
+126ft-4ft

Overall

4982

Males

3087

M50-54

123

6.15M→10.54M

6.2 - 10.5 mi

Top 74%
×21story building
+230ft-361ft

Overall

5280

Males

3189

M50-54

134

10.54M→11.05M

10.5 - 11.1 mi

Top 75%
×14story building
+172ft-0ft

Overall

5339

Males

3194

M50-54

128

11.05M→Finish

11.1 - 13.1 mi

Top 87%
×7story building
+97ft-114ft

Overall

6181

Males

3520

M50-54

155

Passing Analysis

Category:
▼Net Change
0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#5228
1.81M → 5.34M
113464*+351
#5228 → #4877
5.34M → 6.15M
6560-5
#4877 → #4882
6.15M → 10.54M
292117*-175
#4882 → #5057
10.54M → 11.05M
6022-38
#5057 → #5095
11.05M → Finish
30824*-284
#5095 → #5379
TOTALS
838687*-151
#5228 → #5379

* 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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