Eric Lai

Bib: 22334β€’Mβ€’Age: 38

Redondo Beach, CA

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0:00
0:00
/ mi
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Overall
#0 / 3840
Top 8%
Gender (Male)
#0 / 2065
Top 13%
Division (M35-39)
#0 / 309
Top 16%
Race Day Weather
59Β°/49Β°F
scattered clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
2M
15:33
Rank: #360
Start β†’ 2M
15:33 | 7:46/mi
4M
29:38
Rank: #301 (+59)
2M β†’ 4M
14:05 | 7:03/mi
6M
48:21
Rank: #307 (-6)
4M β†’ 6M
18:43 | 9:21/mi
8M
1:00:00
Rank: #305 (+2)
6M β†’ 8M
11:39 | 5:49/mi
10M
1:15:45
Rank: #311 (-6)
8M β†’ 10M
15:45 | 7:53/mi
12M
1:32:20
Rank: #326 (-15)
10M β†’ 12M
16:35 | 8:17/mi
FinishΒ· 13.11 mi
1:41:01
Rank: #322 (+4)
12M β†’ Finish
8:41 | 7:50/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via 6M
Distance6.00 mi
Time48:21
Pace8:04 /mi
2nd Half
Distance7.11 mi
Time52:40
Pace7:25 /mi
πŸ“ŠPositive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
2M
2.00 mi08:59:5515:337:4615:33
7:46
-
4M
4.00 mi09:14:0029:387:2514:05
7:03
-0:43
6M
6.00 mi09:32:4348:218:0418:43
9:21
+2:18
8M
8.00 mi09:44:221:00:007:3011:39
5:49
-3:32
10M
10.00 mi10:00:071:15:457:3515:45
7:53
+2:04
12M
12.00 mi10:16:421:32:207:4216:35
8:17
+0:24
Finish
13.11 mi10:25:231:41:017:428:41
7:50
-0:27

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

5:49 /mi

Average Pace

7:42 /mi

Slowest Pace

9:21 /mi

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Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

25:44

25% of race

Time at Steady Pace

56:34

56% of race

Time at Slower Pace

18:43

19% of race

Average Pace: 7:42 /mi

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Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
2M
2.00 mi08:59:5515:337:4615:33
7:46
#360
4M
4.00 mi09:14:0029:387:2514:05
7:03
#301
6M
6.00 mi09:32:4348:218:0418:43
9:21
#307
8M
8.00 mi09:44:221:00:007:3011:39
5:49
#305
10M
10.00 mi10:00:071:15:457:3515:45
7:53
#311
12M
12.00 mi10:16:421:32:207:4216:35
8:17
#326
Finish
13.11 mi10:25:231:41:017:428:41
7:50
#322
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
2M2.00 mi2.00 mi36029048400(Top 10%)310(Top 15%)54(Top 17%)
4M4.00 mi2.00 mi301+59247+4342+6282(Top 7%)229(Top 11%)39(Top 13%)
6M6.00 mi2.00 mi307-6250-342320(Top 8%)258(Top 12%)42(Top 14%)
8M8.00 mi2.00 mi305+2247+340+2339(Top 9%)271(Top 13%)44(Top 14%)
10M10.00 mi2.00 mi311-6253-644-4335(Top 9%)270(Top 13%)51(Top 17%)
12M12.00 mi2.00 mi326-15262-947-3400(Top 10%)310(Top 15%)54(Top 17%)
Finish13.11 mi1.11 mi322+4259+348-1356(Top 9%)276(Top 13%)47(Top 15%)

Segment Performance Analysis

10M→12M

0.0 - 2.0 mi

Top 10%
Γ—9stories
+138ft-68ft

Overall

400

Males

310

M35-39

54

2M→4M

2.0 - 4.0 mi

Top 7%
Γ—13stories
+163ft-19ft

Overall

282

Males

229

M35-39

39

4M→6M

4.0 - 6.0 mi

Top 8%
Γ—4stories
+55ft-83ft

Overall

320

Males

258

M35-39

42

6M→8M

6.0 - 8.0 mi

Top 9%
Γ—10stories
+65ft-151ft

Overall

339

Males

271

M35-39

44

8M→10M

8.0 - 10.0 mi

Top 9%
Γ—10stories
+61ft-174ft

Overall

335

Males

270

M35-39

51

10M→12M

10.0 - 12.0 mi

Top 10%
Γ—3stories
+41ft-53ft

Overall

400

Males

310

M35-39

54

12M→Finish

12.0 - 13.1 mi

Top 9%
Γ—1human
+6ft-6ft

Overall

356

Males

276

M35-39

47

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
103
Passed By
65
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 2M----#360
2M β†’ 4M656+59#360#301
4M β†’ 6M915-6#301#307
6M β†’ 8M75+2#307#305
8M β†’ 10M713-6#305#311
10M β†’ 12M823-15#311#326
12M β†’ Finish73+4#326#322
TOTALS10365+38
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon