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SF MARATHON 1ST HALF 2025

Robert Tseng

San Mateo, CA

Bib: 16685 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
10:29/mi
18:58
→ flat
5.34M
11:03/mi
57:58
↑ 80↓ 74
6.15M
11:01/mi
1:06:53
↑ 126
10.54M
11:52/mi
1:58:59
↑ 230↓ 361
11.05M
13:53/mi
2:06:04
↑ 172
Finish· 13.11 mi
10:35/mi
2:27:52
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:06:5310:53 /mi⚡ faster
2nd Half
1:20:5911:38 /mi+21.1%
Positive split — 21.1% 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
18:5810:291.81 mi18:58
10:29
-
5.34M
57:5810:513.53 mi39:00
11:03
+0:34
6.15M
1:06:5310:530.81 mi8:55
11:01
-0:02
10.54M
1:58:5911:174.39 mi52:06
11:52
+0:51
11.05M
2:06:0411:250.51 mi7:05
13:53
+2:01
Finish(13.11 mi)
2:27:5211:172.06 mi21:48
10:35
-3:18
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:29 /mi

Average Pace

11:17 /mi

Slowest Pace

13:53 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

1:28:41

60% of race

Time at Slower Pace

59:11

40% of race

Average Pace: 11:17 /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 mi4857302213048573022130
5.34M3.53 mi4988-1313083-6113050863130133
6.15M0.81 mi4861+1273027+56127+341632693102
10.54M4.39 mi5036-1753096-69128-152633180131
11.05M0.51 mi4905+1313033+63123+53130210776
Finish(13.11 mi)2.06 mi4582+3232861+172113+103296213779

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 68%
~flat
+4ft-3ft

Overall

4857

Males

3022

M50-54

132

1.81M→5.34M

1.8 - 5.3 mi

Top 72%
×4story building
+80ft-74ft

Overall

5086

Males

3130

M50-54

134

5.34M→6.15M

5.3 - 6.2 mi

Top 59%
×10story building
+126ft-4ft

Overall

4163

Males

2693

M50-54

103

6.15M→10.54M

6.2 - 10.5 mi

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

Overall

5263

Males

3180

M50-54

132

10.54M→11.05M

10.5 - 11.1 mi

Top 44%
×14story building
+172ft-0ft

Overall

3130

Males

2107

M50-54

77

11.05M→Finish

11.1 - 13.1 mi

Top 46%
×7story building
+97ft-114ft

Overall

3296

Males

2137

M50-54

79

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#4857
1.81M → 5.34M
361230*-131
#4857 → #4988
5.34M → 6.15M
19146+127
#4988 → #4861
6.15M → 10.54M
291116*-175
#4861 → #5036
10.54M → 11.05M
6137+131
#5036 → #4905
11.05M → Finish
1324*+323
#4905 → #4582
TOTALS
678953*+275
#4857 → #4582

* 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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