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SF MARATHON 1ST HALF 2025

Zaihao Wang

Newark, CA

Bib: 12809 M 33

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 34%
Gender (Male)
#0 / 3977
Top 44%
Division (M30-34)
#0 / 872
Top 43%
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
8:08/mi
14:44
→ flat
12 ft elev
5.34M
9:06/mi
46:51
↑ 80↓ 74
19 ft elev
6.15M
10:03/mi
54:59
↑ 1262.8%
149 ft elev
10.54M
9:53/mi
1:38:21
↑ 230↓ 3610.6%
20 ft elev
11.05M
15:55/mi
1:46:28
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
10:41/mi
2:08:28
↑ 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
54:598:56 /mi⚡ faster
2nd Half
1:13:2910:34 /mi+33.6%
Positive split — 33.6% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:53:1114:448:0814:44
8:08
-
5.34M
5.34 mi07:25:1846:518:4632:07
9:06
+0:58
6.15M
6.15 mi07:33:2654:598:568:08
10:03
+0:57
10.54M
10.54 mi08:16:481:38:219:2043:22
9:53
-0:10
11.05M
11.05 mi08:24:551:46:289:388:07
15:55
+6:02
Finish
13.11 mi08:46:552:08:289:4822:00
10:41
-5:14

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

8:08 /mi

Average Pace

9:48 /mi

Slowest Pace

15:55 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

14:44

11% of race

Time at Steady Pace

1:45:37

82% of race

Time at Slower Pace

8:07

6% of race

Average Pace: 9:48 /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
1.81M
1.81 mi06:53:1114:448:0814:44
8:08
#788
5.34M
5.34 mi07:25:1846:518:4632:07
9:06
#1457
6.15M
6.15 mi07:33:2654:598:568:08
10:03
#1646
10.54M
10.54 mi08:16:481:38:219:2043:22
9:53
#2109
11.05M
11.05 mi08:24:551:46:289:388:07
15:55
#2311
Finish
13.11 mi08:46:552:08:289:4822:00
10:41
#2450
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi1.81 mi788649137788649137
5.34M5.34 mi3.53 mi1457-6691132-483236-9919841487314
6.15M6.15 mi0.81 mi1646-1891268-136272-3627691944416
10.54M10.54 mi4.39 mi2109-4631557-289333-6127491917424
11.05M11.05 mi0.51 mi2311-2021672-115359-2645122796611
Finish13.11 mi2.06 mi2450-1391745-73377-1834102203487

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 11%
~flat
+4ft-3ft

Overall

788

Males

649

M30-34

137

1.81M→5.34M

1.8 - 5.3 mi

Top 28%
×4story building
+80ft-74ft

Overall

1984

Males

1487

M30-34

314

5.34M→6.15M

5.3 - 6.2 mi

Top 39%
×10story building
+126ft-4ft

Overall

2769

Males

1944

M30-34

416

6.15M→10.54M

6.2 - 10.5 mi

Top 39%
×21story building
+230ft-361ft

Overall

2749

Males

1917

M30-34

424

10.54M→11.05M

10.5 - 11.1 mi

Top 64%
×14story building
+172ft-0ft

Overall

4512

Males

2796

M30-34

611

11.05M→Finish

11.1 - 13.1 mi

Top 48%
×7story building
+97ft-114ft

Overall

3410

Males

2203

M30-34

487

Passing Analysis

Category:
Athletes Passed
72*
Passed By
1734
Net Change
-1662
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#788
1.81M → 5.34M7676-669#788#1457
5.34M → 6.15M8197-189#1457#1646
6.15M → 10.54M29492-463#1646#2109
10.54M → 11.05M2204-202#2109#2311
11.05M → Finish26*165-139#2311#2450
TOTALS72*1734-1662

* 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

Race Place Events

Race Place Events