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SF MARATHON 1ST HALF 2025

William Porter

Dublin, CA

Bib: 13426 M 30

0:00
0:00
/ mi
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Overall
#0 / 7100
Top 48%
Gender (Male)
#0 / 3977
Division (M30-34)
#0 / 872
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
9:52/mi
17:52
→ flat
12 ft elev
5.34M
10:05/mi
53:28
↑ 80↓ 74
19 ft elev
6.15M
10:19/mi
1:01:49
↑ 1262.8%
149 ft elev
10.54M
10:36/mi
1:48:21
↑ 230↓ 3610.6%
20 ft elev
11.05M
13:49/mi
1:55:24
↑ 1726.4%
213 ft elev
Finish· 13.11 mi
10:35/mi
2:17:11
↑ 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
1:01:4910:03 /mi⚡ faster
2nd Half
1:15:2210:50 /mi+21.9%
Positive split — 21.9% 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 mi06:59:1417:529:5217:52
9:52
-
5.34M
5.34 mi07:34:5053:2810:0135:36
10:05
+0:13
6.15M
6.15 mi07:43:111:01:4910:038:21
10:19
+0:14
10.54M
10.54 mi08:29:431:48:2110:1746:32
10:36
+0:17
11.05M
11.05 mi08:36:461:55:2410:277:03
13:49
+3:13
Finish
13.11 mi08:58:332:17:1110:2821:47
10:35
-3:14

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

9:52 /mi

Average Pace

10:28 /mi

Slowest Pace

13:49 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

17:52

13% of race

Time at Steady Pace

1:52:16

82% of race

Time at Slower Pace

7:03

5% 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
1.81M
1.81 mi06:59:1417:529:5217:52
9:52
#3650
5.34M
5.34 mi07:34:5053:2810:0135:36
10:05
#3563
6.15M
6.15 mi07:43:111:01:4910:038:21
10:19
#3473
10.54M
10.54 mi08:29:431:48:2110:1746:32
10:36
#3555
11.05M
11.05 mi08:36:461:55:2410:277:03
13:49
#3481
Finish
13.11 mi08:58:332:17:1110:2821:47
10:35
#3423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM30-34Seg. OverallSeg. MalesSeg. M30-34
1.81M1.81 mi1.81 mi3650243551536502435515
5.34M5.34 mi3.53 mi3563+872384+51503+1235682387508
6.15M6.15 mi0.81 mi3473+902339+45497+631292141465
10.54M10.54 mi4.39 mi3555-822363-24511-1437282445534
11.05M11.05 mi0.51 mi3481+742328+35503+830972083456
Finish13.11 mi2.06 mi3423+582281+47494+932762127471

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 51%
~flat
+4ft-3ft

Overall

3650

Males

2435

M30-34

515

1.81M→5.34M

1.8 - 5.3 mi

Top 50%
×4story building
+80ft-74ft

Overall

3568

Males

2387

M30-34

508

5.34M→6.15M

5.3 - 6.2 mi

Top 44%
×10story building
+126ft-4ft

Overall

3129

Males

2141

M30-34

465

6.15M→10.54M

6.2 - 10.5 mi

Top 53%
×21story building
+230ft-361ft

Overall

3728

Males

2445

M30-34

534

10.54M→11.05M

10.5 - 11.1 mi

Top 44%
×14story building
+172ft-0ft

Overall

3097

Males

2083

M30-34

456

11.05M→Finish

11.1 - 13.1 mi

Top 46%
×7story building
+97ft-114ft

Overall

3276

Males

2127

M30-34

471

Passing Analysis

Category:
Athletes Passed
729*
Passed By
502
Net Change
+227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#3650
1.81M → 5.34M279*192+87#3650#3563
5.34M → 6.15M11727+90#3563#3473
6.15M → 10.54M139*221-82#3473#3555
10.54M → 11.05M9723+74#3555#3481
11.05M → Finish97*39+58#3481#3423
TOTALS729*502+227

* 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