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BOSTON MARATHON 2024

Dexin Li

Bib: 13715•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 31%
Gender (Male)
#0 / 14578
Top 43%
Masters (Masters Men)
#0 / 9729
Top 32%
Division (M55-59)
#0 / 1529
Top 16%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:04
Rank: #10141
Start → 5K
23:04 | 7:25/mi
10K· 6.21 mi
46:38
Rank: #10530 (-389)
5K → 10K
23:34 | 7:35/mi
15K· 9.32 mi
1:10:11
Rank: #10415 (+115)
10K → 15K
23:33 | 7:35/mi
20K· 12.43 mi
1:34:11
Rank: #10231 (+184)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:39:13
Rank: #10130 (+101)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:58:57
Rank: #10193 (-63)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:23:47
Rank: #9625 (+568)
25K → 30K
24:50 | 8:00/mi
20M
2:34:35
Rank: #9293 (+332)
30K → 20M
10:48 | 7:57/mi
21M
2:43:30
Rank: #9135 (+158)
20M → 21M
8:55 | 8:55/mi
35K· 21.75 mi
2:49:13
Rank: #8956 (+179)
21M → 35K
5:43 | 7:38/mi
23M
2:59:11
Rank: #8648 (+308)
35K → 23M
9:58 | 7:58/mi
24M
3:07:06
Rank: #8481 (+167)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:13:40
Rank: #8249 (+232)
24M → 40K
6:34 | 7:41/mi
25.2M
3:16:39
Rank: #8152 (+97)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:24:30
Rank: #8047 (+105)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:13
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:45:17
Pace8:02 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0623:047:2523:04
7:25
-
10K
6.21 mi11:17:4046:387:3023:34
7:35
+0:10
15K
9.32 mi11:41:131:10:117:3223:33
7:35
0:00
20K
12.43 mi12:05:131:34:117:3524:00
7:43
+0:08
Half
13.11 mi12:10:151:39:137:345:02
7:23
-0:20
25K
15.53 mi12:29:591:58:577:3919:44
8:08
+0:45
30K
18.64 mi12:54:492:23:477:4324:50
8:00
-0:08
20M
20.00 mi13:05:372:34:357:4410:48
7:57
-0:03
21M
21.00 mi13:14:322:43:307:478:55
8:55
+0:58
35K
21.75 mi13:20:152:49:137:475:43
7:38
-1:17
23M
23.00 mi13:30:132:59:117:479:58
7:58
+0:20
24M
24.00 mi13:38:083:07:067:487:55
7:55
-0:03
40K
24.85 mi13:44:423:13:407:486:34
7:41
-0:14
25.2M
25.20 mi13:47:413:16:397:482:59
8:39
+0:58
Finish
26.22 mi13:55:323:24:307:487:51
7:42
-0:57

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

7:23 /mi

Average Pace

7:48 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:06

14% of race

Time at Steady Pace

1:39:10

48% of race

Time at Slower Pace

1:17:14

38% of race

Average Pace: 7:48 /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 mi10:54:0623:047:2523:04
7:25
#10141
10K
6.21 mi11:17:4046:387:3023:34
7:35
#10530
15K
9.32 mi11:41:131:10:117:3223:33
7:35
#10415
20K
12.43 mi12:05:131:34:117:3524:00
7:43
#10231
Half
13.11 mi12:10:151:39:137:345:02
7:23
#10130
25K
15.53 mi12:29:591:58:577:3919:44
8:08
#10193
30K
18.64 mi12:54:492:23:477:4324:50
8:00
#9625
20M
20.00 mi13:05:372:34:357:4410:48
7:57
#9293
21M
21.00 mi13:14:322:43:307:478:55
8:55
#9135
35K
21.75 mi13:20:152:49:137:475:43
7:38
#8956
23M
23.00 mi13:30:132:59:117:479:58
7:58
#8648
24M
24.00 mi13:38:083:07:067:487:55
7:55
#8481
40K
24.85 mi13:44:423:13:407:486:34
7:41
#8249
25.2M
25.20 mi13:47:413:16:397:482:59
8:39
#8152
Finish
26.22 mi13:55:323:24:307:487:51
7:42
#8047
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi101418031803110262(Top 40%)7923(Top 54%)7923(Top 518%)
10K6.21 mi3.10 mi10530-3898160-1298160-12910930(Top 43%)8296(Top 57%)8296(Top 543%)
15K9.32 mi3.11 mi10415+1158088+728088+7210262(Top 40%)7923(Top 54%)7923(Top 518%)
20K12.43 mi3.11 mi10231+1847936+1527936+1529896(Top 39%)7594(Top 52%)7594(Top 497%)
Half13.11 mi0.68 mi10130+1017880+567880+568171(Top 32%)6719(Top 46%)6719(Top 439%)
25K15.53 mi2.42 mi10193-637861+197861+1911000(Top 43%)8008(Top 55%)8008(Top 524%)
30K18.64 mi3.11 mi9625+5687483+3787483+3787817(Top 31%)6096(Top 42%)6096(Top 399%)
20M20.00 mi1.36 mi9293+3327260+2237260+2236461(Top 25%)5136(Top 35%)5136(Top 336%)
21M21.00 mi1.00 mi9135+1587105+1557105+1558156(Top 32%)5872(Top 40%)5872(Top 384%)
35K21.75 mi0.75 mi8956+1796983+1226983+1225796(Top 23%)4575(Top 31%)4575(Top 299%)
23M23.00 mi1.25 mi8648+3086743+2406743+2405547(Top 22%)4289(Top 29%)4289(Top 281%)
24M24.00 mi1.00 mi8481+1676614+1296614+1296176(Top 24%)4560(Top 31%)4560(Top 298%)
40K24.85 mi0.85 mi8249+2326434+1806434+1804260(Top 17%)3368(Top 23%)3368(Top 220%)
25.2M25.20 mi0.35 mi8152+976353+816353+815053(Top 20%)3774(Top 26%)3774(Top 247%)
Finish26.22 mi1.02 mi8047+1056262+916262+916748(Top 26%)4740(Top 33%)4740(Top 310%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10262

Males

7923

M55-59

7923

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

10930

Males

8296

M55-59

8296

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10262

Males

7923

M55-59

7923

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

9896

Males

7594

M55-59

7594

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8171

Males

6719

M55-59

6719

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11000

Males

8008

M55-59

8008

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

7817

Males

6096

M55-59

6096

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6461

Males

5136

M55-59

5136

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8156

Males

5872

M55-59

5872

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

5796

Males

4575

M55-59

4575

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5547

Males

4289

M55-59

4289

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6176

Males

4560

M55-59

4560

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4260

Males

3368

M55-59

3368

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5053

Males

3774

M55-59

3774

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6748

Males

4740

M55-59

4740

Passing Analysis

Category:
Athletes Passed
3321
Passed By
1225
Net Change
+2094
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10141
5K → 10K147535-389#10141#10530
10K → 15K265150+115#10530#10415
15K → 20K312128+184#10415#10231
20K → Half1032+101#10231#10130
Half → 25K180242-63#10130#10193
25K → 30K60739+568#10193#9625
30K → 20M34412+332#9625#9293
20M → 21M21052+158#9293#9135
21M → 35K1867+179#9135#8956
35K → 23M3135+308#8956#8648
23M → 24M18316+167#8648#8481
24M → 40K2397+232#8481#8249
40K → 25.2M1003+97#8249#8152
25.2M → Finish13227+105#8152#8047
TOTALS33211225+2094
📊

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