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BOSTON MARATHON 2023

Thomas Huang

Bib: 3699•M

MO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:55
Rank: #3957
Start → 5K
20:55 | 6:44/mi
10K· 6.21 mi
41:08
Rank: #3307 (+650)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:02:22
Rank: #3935 (-628)
10K → 15K
21:14 | 6:50/mi
20K· 12.43 mi
1:22:49
Rank: #3551 (+384)
15K → 20K
20:27 | 6:35/mi
Half· 13.11 mi
1:27:11
Rank: #3465 (+86)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:43:47
Rank: #3610 (-145)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:05:57
Rank: #3914 (-304)
25K → 30K
22:10 | 7:08/mi
20M
2:15:46
Rank: #4042 (-128)
30K → 20M
9:49 | 7:13/mi
21M
2:23:21
Rank: #4111 (-69)
20M → 21M
7:35 | 7:35/mi
35K· 21.75 mi
2:28:35
Rank: #4164 (-53)
21M → 35K
5:14 | 7:00/mi
23M
2:37:58
Rank: #4340 (-176)
35K → 23M
9:23 | 7:30/mi
24M
2:45:16
Rank: #4463 (-123)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
2:51:33
Rank: #4488 (-25)
24M → 40K
6:17 | 7:21/mi
25.2M
2:54:06
Rank: #4457 (+31)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
3:00:39
Rank: #4342 (+115)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:11
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:33:28
Pace7:08 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3420:556:4420:55
6:44
-
10K
6.21 mi10:42:4741:086:3720:13
6:30
-0:14
15K
9.32 mi11:04:011:02:226:4121:14
6:50
+0:20
20K
12.43 mi11:24:281:22:496:4020:27
6:35
-0:15
Half
13.11 mi11:28:501:27:116:394:22
6:24
-0:11
25K
15.53 mi11:45:261:43:476:4116:36
6:51
+0:27
30K
18.64 mi12:07:362:05:576:4522:10
7:08
+0:17
20M
20.00 mi12:17:252:15:466:479:49
7:13
+0:05
21M
21.00 mi12:25:002:23:216:507:35
7:35
+0:22
35K
21.75 mi12:30:142:28:356:505:14
7:00
-0:35
23M
23.00 mi12:39:372:37:586:529:23
7:30
+0:30
24M
24.00 mi12:46:552:45:166:537:18
7:18
-0:12
40K
24.85 mi12:53:122:51:336:546:17
7:21
+0:03
25.2M
25.20 mi12:55:452:54:066:552:33
7:24
+0:03
Finish
26.22 mi13:02:183:00:396:546:33
6:26
-0:58

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

6:24 /mi

Average Pace

6:54 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:34

64% of race

Time at Steady Pace

57:30

32% of race

Time at Slower Pace

7:35

4% of race

Average Pace: 6:53 /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...
0mi6.6mi13.1mi19.7mi26.2mi
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
5K
3.11 mi10:22:3420:556:4420:55
6:44
#3957
10K
6.21 mi10:42:4741:086:3720:13
6:30
#3307
15K
9.32 mi11:04:011:02:226:4121:14
6:50
#3935
20K
12.43 mi11:24:281:22:496:4020:27
6:35
#3551
Half
13.11 mi11:28:501:27:116:394:22
6:24
#3465
25K
15.53 mi11:45:261:43:476:4116:36
6:51
#3610
30K
18.64 mi12:07:362:05:576:4522:10
7:08
#3914
20M
20.00 mi12:17:252:15:466:479:49
7:13
#4042
21M
21.00 mi12:25:002:23:216:507:35
7:35
#4111
35K
21.75 mi12:30:142:28:356:505:14
7:00
#4164
23M
23.00 mi12:39:372:37:586:529:23
7:30
#4340
24M
24.00 mi12:46:552:45:166:537:18
7:18
#4463
40K
24.85 mi12:53:122:51:336:546:17
7:21
#4488
25.2M
25.20 mi12:55:452:54:066:552:33
7:24
#4457
Finish
26.22 mi13:02:183:00:396:546:33
6:26
#4342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3957371437145416(Top 20%)4993(Top 33%)4993(Top 94%)
10K6.21 mi3.10 mi3307+6503134+5803134+5802844(Top 11%)2718(Top 18%)2718(Top 51%)
15K9.32 mi3.11 mi3935-6283705-5713705-5715416(Top 20%)4993(Top 33%)4993(Top 94%)
20K12.43 mi3.11 mi3551+3843361+3443361+3442746(Top 10%)2626(Top 17%)2626(Top 50%)
Half13.11 mi0.68 mi3465+863283+783283+782272(Top 9%)2182(Top 14%)2182(Top 41%)
25K15.53 mi2.42 mi3610-1453416-1333416-1334547(Top 17%)4234(Top 28%)4234(Top 80%)
30K18.64 mi3.11 mi3914-3043690-2743690-2745103(Top 19%)4682(Top 31%)4682(Top 89%)
20M20.00 mi1.36 mi4042-1283800-1103800-1105210(Top 20%)4702(Top 31%)4702(Top 89%)
21M21.00 mi1.00 mi4111-693856-563856-564975(Top 19%)4453(Top 29%)4453(Top 84%)
35K21.75 mi0.75 mi4164-533898-423898-425272(Top 20%)4700(Top 31%)4700(Top 89%)
23M23.00 mi1.25 mi4340-1764057-1594057-1596354(Top 24%)5404(Top 36%)5404(Top 102%)
24M24.00 mi1.00 mi4463-1234165-1084165-1086330(Top 24%)5293(Top 35%)5293(Top 100%)
40K24.85 mi0.85 mi4488-254182-174182-175709(Top 21%)4825(Top 32%)4825(Top 91%)
25.2M25.20 mi0.35 mi4457+314153+294153+293413(Top 13%)3096(Top 20%)3096(Top 59%)
Finish26.22 mi1.02 mi4342+1154050+1034050+1032159(Top 8%)2004(Top 13%)2004(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5416

Males

4993

M18-39

4993

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2844

Males

2718

M18-39

2718

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5416

Males

4993

M18-39

4993

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2746

Males

2626

M18-39

2626

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2272

Males

2182

M18-39

2182

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4547

Males

4234

M18-39

4234

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5103

Males

4682

M18-39

4682

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5210

Males

4702

M18-39

4702

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4975

Males

4453

M18-39

4453

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5272

Males

4700

M18-39

4700

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6354

Males

5404

M18-39

5404

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6330

Males

5293

M18-39

5293

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5709

Males

4825

M18-39

4825

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3413

Males

3096

M18-39

3096

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2159

Males

2004

M18-39

2004

Passing Analysis

Category:
Athletes Passed
1582
Passed By
1967
Net Change
-385
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3957
5K → 10K68030+650#3957#3307
10K → 15K13641-628#3307#3935
15K → 20K3873+384#3935#3551
20K → Half860+86#3551#3465
Half → 25K35180-145#3465#3610
25K → 30K37341-304#3610#3914
30K → 20M29157-128#3914#4042
20M → 21M51120-69#4042#4111
21M → 35K1972-53#4111#4164
35K → 23M30206-176#4164#4340
23M → 24M19142-123#4340#4463
24M → 40K3863-25#4463#4488
40K → 25.2M354+31#4488#4457
25.2M → Finish1238+115#4457#4342
TOTALS15821967-385
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing