Isaac Lau

Bib: 22726MAge: 26

SF, CA

0:00
0:00
/ mi
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Overall
#0 / 3840
Top 11%
Gender (Male)
#0 / 2065
Top 15%
Division (M25-29)
#0 / 503
Top 16%
Race Day Weather
59°/49°F
scattered clouds

⏱️ Race Timeline

Course Elevation
9292 ft
×24story building
548 ft climb · 587 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
2M
7:31/mi
15:02
138680.7%
4M
6:58/mi
28:58
1631.4%
6M
9:08/mi
47:15
55830.3%
8M
5:53/mi
59:02
651510.8%
10M
8:15/mi
1:15:31
611741.1%
12M
9:08/mi
1:33:48
41530.1%
Finish· 13.11 mi
8:52/mi
1:43:38
→ flat

The Course

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Half Splits

1st Half· via 6MFaster
Distance6.00 mi
Time47:15
Pace7:53 /mi
2nd Half
Distance7.11 mi
Time56:23
Pace7:56 /mi
📊Positive Split: 19.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:45:2015:027:3115:02
7:31
-
4M
4.00 mi08:59:1628:587:1513:56
6:58
-0:33
6M
6.00 mi09:17:3347:157:5318:17
9:08
+2:10
8M
8.00 mi09:29:2059:027:2311:47
5:53
-3:15
10M
10.00 mi09:45:491:15:317:3316:29
8:15
+2:22
12M
12.00 mi10:04:061:33:487:4918:17
9:08
+0:53
Finish
13.11 mi10:13:561:43:387:549:50
8:52
-0:16

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

5:53 /mi

Average Pace

7:54 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

40:45

39% of race

Time at Steady Pace

16:29

16% of race

Time at Slower Pace

46:24

45% of race

Average Pace: 7:54 /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
2M
2.00 mi08:45:2015:027:3115:02
7:31
#266
4M
4.00 mi08:59:1628:587:1513:56
6:58
#256
6M
6.00 mi09:17:3347:157:5318:17
9:08
#250
8M
8.00 mi09:29:2059:027:2311:47
5:53
#271
10M
10.00 mi09:45:491:15:317:3316:29
8:15
#301
12M
12.00 mi10:04:061:33:487:4918:17
9:08
#374
Finish
13.11 mi10:13:561:43:387:549:50
8:52
#405
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM25-29Seg. OverallSeg. MalesSeg. M25-29
2M2.00 mi2.00 mi26622066825(Top 21%)603(Top 29%)160(Top 32%)
4M4.00 mi2.00 mi256+10209+1162+4266(Top 7%)218(Top 11%)63(Top 13%)
6M6.00 mi2.00 mi250+6203+660+2268(Top 7%)216(Top 10%)65(Top 13%)
8M8.00 mi2.00 mi271-21216-1363-3385(Top 10%)308(Top 15%)79(Top 16%)
10M10.00 mi2.00 mi301-30245-2968-5499(Top 13%)391(Top 19%)107(Top 21%)
12M12.00 mi2.00 mi374-73296-5175-7825(Top 21%)603(Top 29%)160(Top 32%)
Finish13.11 mi1.11 mi405-31317-2178-3861(Top 22%)624(Top 30%)161(Top 32%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 21%
×9story building
+138ft-68ft

Overall

825

Males

603

M25-29

160

2M→4M

2.0 - 4.0 mi

Top 7%
×13story building
+163ft-19ft

Overall

266

Males

218

M25-29

63

4M→6M

4.0 - 6.0 mi

Top 7%
×4story building
+55ft-83ft

Overall

268

Males

216

M25-29

65

6M→8M

6.0 - 8.0 mi

Top 10%
×10story building
+65ft-151ft

Overall

385

Males

308

M25-29

79

8M→10M

8.0 - 10.0 mi

Top 13%
×10story building
+61ft-174ft

Overall

499

Males

391

M25-29

107

10M→12M

10.0 - 12.0 mi

Top 21%
×3story building
+41ft-53ft

Overall

825

Males

603

M25-29

160

12M→Finish

12.0 - 13.1 mi

Top 22%
×1human
+6ft-6ft

Overall

861

Males

624

M25-29

161

Passing Analysis

Category:
Athletes Passed
32
Passed By
171
Net Change
-139
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 2M----#266
2M4M166+10#266#256
4M6M126+6#256#250
6M8M021-21#250#271
8M10M131-30#271#301
10M12M275-73#301#374
12MFinish132-31#374#405
TOTALS32171-139
📊

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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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon