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SF MARATHON 2ND HALF 2025

Kefei Wang

Mountain View, CA

Bib: 21813 M 37

0:00
0:00
/ mi
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Overall
#0 / 3608
Gender (Male)
#0 / 1949
Division (M35-39)
#0 / 271
Race Day Weather
56°/46°F
overcast clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
48 ft elev
1.2M
10:43/mi
12:52
↑ 1101.6%
149 ft elev
4.9M
9:43/mi
48:48
↑ 243↓ 1260.6%
253 ft elev
11.9M
10:30/mi
2:02:16
↑ 186↓ 4270.6%
11 ft elev
Finish· 13.11 mi
12:19/mi
2:17:10
→ flat
11 ft elev
Course Elevation
9–292 ft
≈
×24story building
•▲ 548 ft climb · ▼ 587 ft descent

The Course

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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.2M
1.20 mi09:01:3012:5210:4312:52
10:43
-
4.9M
4.90 mi09:37:2648:489:5835:56
9:43
-1:00
11.9M
11.90 mi10:50:542:02:1610:161:13:28
10:30
+0:47
Finish
13.11 mi11:05:482:17:1010:2814:54
12:19
+1:49

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

9:43 /mi

Average Pace

10:28 /mi

Slowest Pace

12:19 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:56

26% of race

Time at Steady Pace

1:26:20

63% of race

Time at Slower Pace

14:54

11% of race

Average Pace: 10:28 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
1.2M
1.20 mi09:01:3012:5210:4312:52
10:43
#2052
4.9M
4.90 mi09:37:2648:489:5835:56
9:43
#2070
11.9M
11.90 mi10:50:542:02:1610:161:13:28
10:30
#2047
Finish
13.11 mi11:05:482:17:1010:2814:54
12:19
#2129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
1.2M1.20 mi1.20 mi2052127618120521276181
4.9M4.90 mi3.70 mi2070-181299-23184-320711304185
11.9M11.90 mi7.00 mi2047+231282+17186-220491282190
Finish13.11 mi1.21 mi2129-821321-39194-826811526220

Segment Performance Analysis

Start → 1.2M

0.0 - 1.2 mi

Top 57%
×9story building
+110ft-10ft

Overall

2052

Males

1276

M35-39

181

1.2M→4.9M

1.2 - 4.9 mi

Top 57%
×14story building
+243ft-126ft

Overall

2071

Males

1304

M35-39

185

4.9M→11.9M

4.9 - 11.9 mi

Top 57%
×22story building
+186ft-427ft

Overall

2049

Males

1282

M35-39

190

11.9M→Finish

11.9 - 13.1 mi

Top 74%
×1human
+7ft-8ft

Overall

2681

Males

1526

M35-39

220

Passing Analysis

Category:
Athletes Passed
263*
Passed By
340
Net Change
-77
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.2M----#2052
1.2M → 4.9M135*153-18#2052#2070
4.9M → 11.9M118*95+23#2070#2047
11.9M → Finish10*92-82#2047#2129
TOTALS263*340-77

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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