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BOSTON MARATHON 2023

Lawrence Huang

Bib: 3053•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 44%
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
21:14
Rank: #5012
Start → 5K
21:14 | 6:50/mi
10K· 6.21 mi
41:48
Rank: #4258 (+754)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:02:26
Rank: #4006 (+252)
10K → 15K
20:38 | 6:38/mi
20K· 12.43 mi
1:24:14
Rank: #4630 (-624)
15K → 20K
21:48 | 7:01/mi
Half· 13.11 mi
1:28:47
Rank: #4587 (+43)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:45:04
Rank: #4364 (+223)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:08:04
Rank: #4933 (-569)
25K → 30K
23:00 | 7:24/mi
20M
2:22:10
Rank: #6285 (-1352)
30K → 20M
14:06 | 10:23/mi
21M
2:30:00
Rank: #6240 (+45)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:35:15
Rank: #6199 (+41)
21M → 35K
5:15 | 7:01/mi
23M
2:46:01
Rank: #6524 (-325)
35K → 23M
10:46 | 8:36/mi
24M
2:55:10
Rank: #6931 (-407)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:05:14
Rank: #7936 (-1005)
24M → 40K
10:04 | 11:46/mi
25.2M
3:08:11
Rank: #7955 (-19)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:15:58
Rank: #8004 (-49)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:47
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:47:11
Pace8:11 /mi
📊Positive Split: 20.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:3021:146:5021:14
6:50
-
10K
6.21 mi10:44:0441:486:4420:34
6:37
-0:13
15K
9.32 mi11:04:421:02:266:4220:38
6:38
+0:01
20K
12.43 mi11:26:301:24:146:4721:48
7:01
+0:23
Half
13.11 mi11:31:031:28:476:464:33
6:40
-0:21
25K
15.53 mi11:47:201:45:046:4616:17
6:43
+0:03
30K
18.64 mi12:10:202:08:046:5223:00
7:24
+0:41
20M
20.00 mi12:24:262:22:107:0614:06
10:23
+2:59
21M
21.00 mi12:32:162:30:007:097:50
7:50
-2:33
35K
21.75 mi12:37:312:35:157:085:15
7:01
-0:49
23M
23.00 mi12:48:172:46:017:1310:46
8:36
+1:35
24M
24.00 mi12:57:262:55:107:189:09
9:09
+0:33
40K
24.85 mi13:07:303:05:147:2710:04
11:46
+2:37
25.2M
25.20 mi13:10:273:08:117:282:57
8:33
-3:13
Finish
26.22 mi13:18:143:15:587:297:47
7:38
-0:55

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

6:37 /mi

Average Pace

7:29 /mi

Slowest Pace

11:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

41:12

21% of race

Time at Steady Pace

1:47:44

55% of race

Time at Slower Pace

47:02

24% of race

Average Pace: 7:28 /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 mi10:23:3021:146:5021:14
6:50
#5012
10K
6.21 mi10:44:0441:486:4420:34
6:37
#4258
15K
9.32 mi11:04:421:02:266:4220:38
6:38
#4006
20K
12.43 mi11:26:301:24:146:4721:48
7:01
#4630
Half
13.11 mi11:31:031:28:476:464:33
6:40
#4587
25K
15.53 mi11:47:201:45:046:4616:17
6:43
#4364
30K
18.64 mi12:10:202:08:046:5223:00
7:24
#4933
20M
20.00 mi12:24:262:22:107:0614:06
10:23
#6285
21M
21.00 mi12:32:162:30:007:097:50
7:50
#6240
35K
21.75 mi12:37:312:35:157:085:15
7:01
#6199
23M
23.00 mi12:48:172:46:017:1310:46
8:36
#6524
24M
24.00 mi12:57:262:55:107:189:09
9:09
#6931
40K
24.85 mi13:07:303:05:147:2710:04
11:46
#7936
25.2M
25.20 mi13:10:273:08:117:282:57
8:33
#7955
Finish
26.22 mi13:18:143:15:587:297:47
7:38
#8004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5012465446543644(Top 14%)3439(Top 23%)3439(Top 65%)
10K6.21 mi3.10 mi4258+7543991+6633991+6633652(Top 14%)3449(Top 23%)3449(Top 65%)
15K9.32 mi3.11 mi4006+2523772+2193772+2193644(Top 14%)3439(Top 23%)3439(Top 65%)
20K12.43 mi3.11 mi4630-6244319-5474319-5476089(Top 23%)5539(Top 36%)5539(Top 105%)
Half13.11 mi0.68 mi4587+434279+404279+404127(Top 16%)3879(Top 26%)3879(Top 73%)
25K15.53 mi2.42 mi4364+2234085+1944085+1943507(Top 13%)3320(Top 22%)3320(Top 63%)
30K18.64 mi3.11 mi4933-5694589-5044589-5046620(Top 25%)5816(Top 38%)5816(Top 110%)
20M20.00 mi1.36 mi6285-13525670-10815670-108121448(Top 81%)12754(Top 84%)12754(Top 241%)
21M21.00 mi1.00 mi6240+455621+495621+496347(Top 24%)5451(Top 36%)5451(Top 103%)
35K21.75 mi0.75 mi6199+415590+315590+315464(Top 21%)4860(Top 32%)4860(Top 92%)
23M23.00 mi1.25 mi6524-3255813-2235813-22313763(Top 52%)9257(Top 61%)9257(Top 175%)
24M24.00 mi1.00 mi6931-4076087-2746087-27417834(Top 67%)10988(Top 72%)10988(Top 208%)
40K24.85 mi0.85 mi7936-10056730-6436730-64323591(Top 89%)13575(Top 89%)13575(Top 257%)
25.2M25.20 mi0.35 mi7955-196732-26732-29788(Top 37%)7174(Top 47%)7174(Top 136%)
Finish26.22 mi1.02 mi8004-496742-106742-109514(Top 36%)7020(Top 46%)7020(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3644

Males

3439

M18-39

3439

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3652

Males

3449

M18-39

3449

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3644

Males

3439

M18-39

3439

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6089

Males

5539

M18-39

5539

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4127

Males

3879

M18-39

3879

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3507

Males

3320

M18-39

3320

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6620

Males

5816

M18-39

5816

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

21448

Males

12754

M18-39

12754

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6347

Males

5451

M18-39

5451

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5464

Males

4860

M18-39

4860

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13763

Males

9257

M18-39

9257

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17834

Males

10988

M18-39

10988

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23591

Males

13575

M18-39

13575

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9788

Males

7174

M18-39

7174

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9514

Males

7020

M18-39

7020

Passing Analysis

Category:
Athletes Passed
1624
Passed By
4616
Net Change
-2992
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5012
5K → 10K77622+754#5012#4258
10K → 15K28331+252#4258#4006
15K → 20K12636-624#4006#4630
20K → Half452+43#4630#4587
Half → 25K23411+223#4587#4364
25K → 30K32601-569#4364#4933
30K → 20M31355-1352#4933#6285
20M → 21M8237+45#6285#6240
21M → 35K5615+41#6240#6199
35K → 23M19344-325#6199#6524
23M → 24M7414-407#6524#6931
24M → 40K01005-1005#6931#7936
40K → 25.2M2241-19#7936#7955
25.2M → Finish53102-49#7955#8004
TOTALS16244616-2992
📊

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