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SF MARATHON 1ST HALF 2025

Jason Qiu

Bib: 17523•M•Age: 23

San Jose, CA

0:00
0:00
/ mi
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Overall
#0 / 7100
Gender (Male)
#0 / 3977
M20-29
#0 / 437
Race Day Weather
56°/46°F
light rain

⏱️ Race Timeline

Start
0:00:00
Race begins
1.81M
20:45
Rank: #6191
Start → 1.81M
11:28/mi
20:45 split
5.34M
1:07:07
Rank: #6568 (-377)
1.81M → 5.34M
13:08/mi
46:22 split
6.15M
1:18:34
Rank: #6572 (-4)
5.34M → 6.15M
14:09/mi
11:27 split
10.54M
2:17:54
Rank: #6536 (+36)
6.15M → 10.54M
13:31/mi
59:20 split
11.05M
2:26:55
Rank: #6511 (+25)
10.54M → 11.05M
17:40/mi
9:01 split
Finish· 13.11 mi
2:55:17
Rank: #6455 (+56)
11.05M → Finish
13:47/mi
28:22 split

The Course

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Half Splits

1st Half· via 6.15MFaster
Distance6.15 mi
Time1:18:34
Pace12:47 /mi
2nd Half
Distance6.96 mi
Time1:36:43
Pace13:54 /mi
📊Positive Split: 23.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
1.81M
1.81 mi07:07:3320:4511:2820:45
11:28
-
5.34M
5.34 mi07:53:551:07:0712:3446:22
13:08
+1:40
6.15M
6.15 mi08:05:221:18:3412:4711:27
14:09
+1:01
10.54M
10.54 mi09:04:422:17:5413:0559:20
13:31
-0:38
11.05M
11.05 mi09:13:432:26:5513:189:01
17:40
+4:09
Finish
13.11 mi09:42:052:55:1713:2228:22
13:47
-3:53

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

11:28 /mi

Average Pace

13:22 /mi

Slowest Pace

17:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:45

12% of race

Time at Steady Pace

2:25:31

83% of race

Time at Slower Pace

9:01

5% of race

Average Pace: 13:22 /mi

Loading chart...
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 mi07:07:3320:4511:2820:45
11:28
#6191
5.34M
5.34 mi07:53:551:07:0712:3446:22
13:08
#6568
6.15M
6.15 mi08:05:221:18:3412:4711:27
14:09
#6572
10.54M
10.54 mi09:04:422:17:5413:0559:20
13:31
#6536
11.05M
11.05 mi09:13:432:26:5513:189:01
17:40
#6511
Finish
13.11 mi09:42:052:55:1713:2228:22
13:47
#6455
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.81M1.81 mi1.81 mi619136144216191(Top 87%)3614(Top 91%)421(Top 96%)
5.34M5.34 mi3.53 mi6568-3773785-171432-116680(Top 94%)3832(Top 96%)435(Top 100%)
6.15M6.15 mi0.81 mi6572-43782+34326597(Top 93%)3786(Top 95%)432(Top 99%)
10.54M10.54 mi4.39 mi6536+363757+25431+16436(Top 91%)3685(Top 93%)425(Top 97%)
11.05M11.05 mi0.51 mi6511+253747+10430+15590(Top 79%)3314(Top 83%)401(Top 92%)
Finish13.11 mi2.06 mi6455+563721+26427+36134(Top 86%)3495(Top 88%)413(Top 95%)

Segment Performance Analysis

Start → 1.81M

0.0 - 1.8 mi

Top 87%
~flat
+4ft-3ft

Overall

6191

Males

3614

M20-24

421

1.81M→5.34M

1.8 - 5.3 mi

Top 94%
×4story building
+80ft-74ft

Overall

6680

Males

3832

M20-24

435

5.34M→6.15M

5.3 - 6.2 mi

Top 93%
×10story building
+126ft-4ft

Overall

6597

Males

3786

M20-24

432

6.15M→10.54M

6.2 - 10.5 mi

Top 91%
×21story building
+230ft-361ft

Overall

6436

Males

3685

M20-24

425

10.54M→11.05M

10.5 - 11.1 mi

Top 79%
×14story building
+172ft-0ft

Overall

5590

Males

3314

M20-24

401

11.05M→Finish

11.1 - 13.1 mi

Top 86%
×7story building
+97ft-114ft

Overall

6134

Males

3495

M20-24

413

Passing Analysis

Category:
Athletes Passed
275*
Passed By
539
Net Change
-264
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 1.81M----#6191
1.81M → 5.34M44*421-377#6191#6568
5.34M → 6.15M2933-4#6568#6572
6.15M → 10.54M96*60+36#6572#6536
10.54M → 11.05M283+25#6536#6511
11.05M → Finish78*22+56#6511#6455
TOTALS275*539-264

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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The San Francisco Marathon

The San Francisco Marathon

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