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SF MARATHON 1ST HALF 2025

Jason Mah

Bib: 13751•M•Age: 28

Seattle, WA

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
Division (M25-29)
#0 / 899
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81M
17:39
Rank: #3421
Start → 1.81M
17:39 | 9:45/mi
5.34M
52:40
Rank: #3304 (+117)
1.81M → 5.34M
35:01 | 9:55/mi
6.15M
1:01:35
Rank: #3393 (-89)
5.34M → 6.15M
8:55 | 11:01/mi
10.54M
1:50:55
Rank: #3914 (-521)
6.15M → 10.54M
49:20 | 11:14/mi
11.05M
1:59:10
Rank: #3991 (-77)
10.54M → 11.05M
8:15 | 16:10/mi
Finish· 13.11 mi
2:24:20
Rank: #4215 (-224)
11.05M → Finish
25:10 | 12:13/mi

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:01:35
Pace10:01 /mi
2nd Half
Distance6.96 mi
Time1:22:45
Pace11:53 /mi
📊Positive Split: 34.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi06:54:1917:399:4517:39
9:45
-
5.34M
5.34 mi07:29:2052:409:5235:01
9:55
+0:10
6.15M
6.15 mi07:38:151:01:3510:018:55
11:01
+1:06
10.54M
10.54 mi08:27:351:50:5510:3149:20
11:14
+0:13
11.05M
11.05 mi08:35:501:59:1010:478:15
16:10
+4:56
Finish
13.11 mi09:01:002:24:2011:0125:10
12:13
-3:57

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

9:45 /mi

Average Pace

11:01 /mi

Slowest Pace

16:10 /mi

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Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:40

36% of race

Time at Steady Pace

1:23:25

58% of race

Time at Slower Pace

8:15

6% of race

Average Pace: 11:01 /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.

Loading...
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 mi06:54:1917:399:4517:39
9:45
#3421
5.34M
5.34 mi07:29:2052:409:5235:01
9:55
#3304
6.15M
6.15 mi07:38:151:01:3510:018:55
11:01
#3393
10.54M
10.54 mi08:27:351:50:5510:3149:20
11:14
#3914
11.05M
11.05 mi08:35:501:59:1010:478:15
16:10
#3991
Finish
13.11 mi09:01:002:24:2011:0125:10
12:13
#4215
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
1.81M1.81 mi1.81 mi342123125663421(Top 48%)2312(Top 58%)566(Top 63%)
5.34M5.34 mi3.53 mi3304+1172240+72544+223321(Top 47%)2255(Top 57%)552(Top 61%)
6.15M6.15 mi0.81 mi3393-892298-58559-154155(Top 59%)2689(Top 68%)665(Top 74%)
10.54M10.54 mi4.39 mi3914-5212556-258617-584562(Top 64%)2856(Top 72%)684(Top 76%)
11.05M11.05 mi0.51 mi3991-772600-44621-44690(Top 66%)2889(Top 73%)700(Top 78%)
Finish13.11 mi2.06 mi4215-2242682-82645-245173(Top 73%)3044(Top 77%)720(Top 80%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 48%
~flat
+4ft-3ft

Overall

3421

Males

2312

M25-29

567

1.81M→5.34M

1.8 - 5.3 mi

Top 47%
×4stories
+80ft-74ft

Overall

3321

Males

2255

M25-29

553

5.34M→6.15M

5.3 - 6.2 mi

Top 59%
×10stories
+126ft-4ft

Overall

4155

Males

2689

M25-29

666

6.15M→10.54M

6.2 - 10.5 mi

Top 64%
×21stories
+230ft-361ft

Overall

4562

Males

2856

M25-29

685

10.54M→11.05M

10.5 - 11.1 mi

Top 66%
×14stories
+172ft-0ft

Overall

4690

Males

2889

M25-29

701

11.05M→Finish

11.1 - 13.1 mi

Top 73%
×7stories
+97ft-114ft

Overall

5173

Males

3044

M25-29

720

Passing Analysis

Category:
Athletes Passed
420*
Passed By
1214
Net Change
-794
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#3421
1.81M → 5.34M299*182+117#3421#3304
5.34M → 6.15M27116-89#3304#3393
6.15M → 10.54M43*564-521#3393#3914
10.54M → 11.05M1491-77#3914#3991
11.05M → Finish37*261-224#3991#4215
TOTALS420*1214-794

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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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