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SF MARATHON 1ST HALF 2025

Phil Sonn

San Francisco, CA

Bib: 16736 M 37

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
1.81M
11:31/mi
20:50
→ flat
5.34M
12:05/mi
1:03:28
↑ 80↓ 74
6.15M
15:31/mi
1:16:02
↑ 126
10.54M
12:29/mi
2:10:51
↑ 230↓ 361
11.05M
17:15/mi
2:19:39
↑ 172
Finish· 13.11 mi
12:21/mi
2:45:04
↑ 97↓ 114
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.15M
1:16:0212:22 /mi⚡ faster
2nd Half
1:29:0212:48 /mi+17.1%
Positive split — 17.1% 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
20:5011:311.81 mi20:50
11:31
-
5.34M
1:03:2811:533.53 mi42:38
12:05
+0:34
6.15M
1:16:0212:220.81 mi12:34
15:31
+3:26
10.54M
2:10:5112:254.39 mi54:49
12:29
-3:02
11.05M
2:19:3912:380.51 mi8:48
17:15
+4:46
Finish(13.11 mi)
2:45:0412:362.06 mi25:25
12:21
-4:54
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

11:31 /mi

Average Pace

12:36 /mi

Slowest Pace

17:15 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:23:42

87% of race

Time at Slower Pace

21:22

13% of race

Average Pace: 12:35 /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 mi6218362553162183625531
5.34M3.53 mi6149+693609+16525+661083582523
6.15M0.81 mi6351-2023683-74537-1269263907572
10.54M4.39 mi6140+2113593+90523+1458153441500
11.05M0.51 mi6109+313580+13520+353443198470
Finish(13.11 mi)2.06 mi5960+1493496+84509+1152683091454

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 88%
~flat
+4ft-3ft

Overall

6218

Males

3625

M35-39

531

1.81M→5.34M

1.8 - 5.3 mi

Top 86%
×4story building
+80ft-74ft

Overall

6108

Males

3582

M35-39

523

5.34M→6.15M

5.3 - 6.2 mi

Top 98%
×10story building
+126ft-4ft

Overall

6926

Males

3907

M35-39

572

6.15M→10.54M

6.2 - 10.5 mi

Top 82%
×21story building
+230ft-361ft

Overall

5815

Males

3441

M35-39

500

10.54M→11.05M

10.5 - 11.1 mi

Top 75%
×14story building
+172ft-0ft

Overall

5344

Males

3198

M35-39

470

11.05M→Finish

11.1 - 13.1 mi

Top 74%
×7story building
+97ft-114ft

Overall

5268

Males

3091

M35-39

454

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.81M-#6218
1.81M → 5.34M
139208*+69
#6218 → #6149
5.34M → 6.15M
2064-202
#6149 → #6351
6.15M → 10.54M
30241*+211
#6351 → #6140
10.54M → 11.05M
940+31
#6140 → #6109
11.05M → Finish
8157*+149
#6109 → #5960
TOTALS
392650*+258
#6218 → #5960

* 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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