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SF MARATHON 1ST HALF 2025

Nicholas Wong

Fremont, CA

Bib: 14430 M 29

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 48%
Gender (Male)
#0 / 3977
Division (M25-29)
#0 / 899
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
10:10/mi
18:24
→ flat
12 ft elev
5.34M
10:24/mi
55:05
↑ 80↓ 74
19 ft elev
6.15M
10:42/mi
1:03:45
↑ 1262.8%
149 ft elev
10.54M
10:27/mi
1:49:38
↑ 230↓ 3610.6%
20 ft elev
11.05M
13:10/mi
1:56:21
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
9:58/mi
2:16:53
↑ 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
1:03:4510:22 /mi⚡ faster
2nd Half
1:13:0810:31 /mi+14.7%
Positive split — 14.7% 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
18:2410:101.81 mi18:24
10:10
-
5.34M
55:0510:193.53 mi36:41
10:24
+0:14
6.15M
1:03:4510:220.81 mi8:40
10:42
+0:18
10.54M
1:49:3810:244.39 mi45:53
10:27
-0:15
11.05M
1:56:2110:320.51 mi6:43
13:10
+2:43
Finish(13.11 mi)
2:16:5310:272.06 mi20:32
9:58
-3:12
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:58 /mi

Average Pace

10:27 /mi

Slowest Pace

13:10 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:10:10

95% of race

Time at Slower Pace

6:43

5% of race

Average Pace: 10:26 /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

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81M1.81 mi1.81 mi4238272265742382722657
5.34M5.34 mi3.53 mi4085+1532657+65641+1640582642646
6.15M6.15 mi0.81 mi3988+972608+49635+637012446605
10.54M10.54 mi4.39 mi3745+2432469+139592+4335322345575
11.05M11.05 mi0.51 mi3636+1092411+58583+926021808485
Finish13.11 mi2.06 mi3396+2402269+142550+3324481704440

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 60%
~flat
+4ft-3ft

Overall

4238

Males

2722

M25-29

658

1.81M→5.34M

1.8 - 5.3 mi

Top 57%
×4story building
+80ft-74ft

Overall

4058

Males

2642

M25-29

647

5.34M→6.15M

5.3 - 6.2 mi

Top 52%
×10story building
+126ft-4ft

Overall

3701

Males

2446

M25-29

606

6.15M→10.54M

6.2 - 10.5 mi

Top 50%
×21story building
+230ft-361ft

Overall

3532

Males

2345

M25-29

576

10.54M→11.05M

10.5 - 11.1 mi

Top 37%
×14story building
+172ft-0ft

Overall

2602

Males

1808

M25-29

486

11.05M→Finish

11.1 - 13.1 mi

Top 34%
×7story building
+97ft-114ft

Overall

2448

Males

1704

M25-29

440

Passing Analysis

Category:
Athletes Passed
1131*
Passed By
289
Net Change
+842
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#4238
1.81M → 5.34M332*179+153#4238#4085
5.34M → 6.15M12124+97#4085#3988
6.15M → 10.54M313*70+243#3988#3745
10.54M → 11.05M12112+109#3745#3636
11.05M → Finish244*4+240#3636#3396
TOTALS1131*289+842

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

Passing Charts

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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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