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BOSTON MARATHON 2024

Heng Ting Liu

Bib: 8581•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 36%
Gender (Male)
#0 / 14578
Top 47%
Masters (Masters Men)
#0 / 9729
Top 37%
Division (M45-49)
#0 / 2218
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:47
Rank: #9430
Start → 5K
22:47 | 7:20/mi
10K· 6.21 mi
46:23
Rank: #10165 (-735)
5K → 10K
23:36 | 7:36/mi
15K· 9.32 mi
1:10:43
Rank: #10863 (-698)
10K → 15K
24:20 | 7:50/mi
20K· 12.43 mi
1:35:11
Rank: #10861 (+2)
15K → 20K
24:28 | 7:53/mi
Half· 13.11 mi
1:40:40
Rank: #10980 (-119)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:00:45
Rank: #11099 (-119)
Half → 25K
20:05 | 8:17/mi
30K· 18.64 mi
2:26:26
Rank: #10653 (+446)
25K → 30K
25:41 | 8:16/mi
20M
2:37:36
Rank: #10366 (+287)
30K → 20M
11:10 | 8:13/mi
21M
2:46:15
Rank: #10065 (+301)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:52:12
Rank: #9919 (+146)
21M → 35K
5:57 | 7:57/mi
23M
3:02:45
Rank: #9746 (+173)
35K → 23M
10:33 | 8:26/mi
24M
3:10:46
Rank: #9545 (+201)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:17:33
Rank: #9340 (+205)
24M → 40K
6:47 | 7:56/mi
25.2M
3:20:35
Rank: #9251 (+89)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:28:29
Rank: #9122 (+129)
25.2M → Finish
7:54 | 7:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:40
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:47:49
Pace8:13 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1122:477:2022:47
7:20
-
10K
6.21 mi11:11:4746:237:2823:36
7:36
+0:16
15K
9.32 mi11:36:071:10:437:3524:20
7:50
+0:14
20K
12.43 mi12:00:351:35:117:4024:28
7:53
+0:03
Half
13.11 mi12:06:041:40:407:415:29
8:02
+0:09
25K
15.53 mi12:26:092:00:457:4620:05
8:17
+0:15
30K
18.64 mi12:51:502:26:267:5125:41
8:16
-0:01
20M
20.00 mi13:03:002:37:367:5311:10
8:13
-0:03
21M
21.00 mi13:11:392:46:157:558:39
8:39
+0:26
35K
21.75 mi13:17:362:52:127:555:57
7:57
-0:42
23M
23.00 mi13:28:093:02:457:5710:33
8:26
+0:29
24M
24.00 mi13:36:103:10:467:578:01
8:01
-0:25
40K
24.85 mi13:42:573:17:337:576:47
7:56
-0:05
25.2M
25.20 mi13:45:593:20:357:583:02
8:48
+0:52
Finish
26.22 mi13:53:533:28:297:577:54
7:45
-1:03

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

7:20 /mi

Average Pace

7:57 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:17

26% of race

Time at Steady Pace

1:15:02

36% of race

Time at Slower Pace

1:19:10

38% of race

Average Pace: 7:57 /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 mi10:48:1122:477:2022:47
7:20
#9430
10K
6.21 mi11:11:4746:237:2823:36
7:36
#10165
15K
9.32 mi11:36:071:10:437:3524:20
7:50
#10863
20K
12.43 mi12:00:351:35:117:4024:28
7:53
#10861
Half
13.11 mi12:06:041:40:407:415:29
8:02
#10980
25K
15.53 mi12:26:092:00:457:4620:05
8:17
#11099
30K
18.64 mi12:51:502:26:267:5125:41
8:16
#10653
20M
20.00 mi13:03:002:37:367:5311:10
8:13
#10366
21M
21.00 mi13:11:392:46:157:558:39
8:39
#10065
35K
21.75 mi13:17:362:52:127:555:57
7:57
#9919
23M
23.00 mi13:28:093:02:457:5710:33
8:26
#9746
24M
24.00 mi13:36:103:10:467:578:01
8:01
#9545
40K
24.85 mi13:42:573:17:337:576:47
7:56
#9340
25.2M
25.20 mi13:45:593:20:357:583:02
8:48
#9251
Finish
26.22 mi13:53:533:28:297:577:54
7:45
#9122
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi94307648764812177(Top 48%)8798(Top 60%)8798(Top 397%)
10K6.21 mi3.10 mi10165-7358002-3548002-35411029(Top 43%)8342(Top 57%)8342(Top 376%)
15K9.32 mi3.11 mi10863-6988280-2788280-27812177(Top 48%)8798(Top 60%)8798(Top 397%)
20K12.43 mi3.11 mi10861+28247+338247+3310926(Top 43%)8121(Top 56%)8121(Top 366%)
Half13.11 mi0.68 mi10980-1198293-468293-4612944(Top 51%)9043(Top 62%)9043(Top 408%)
25K15.53 mi2.42 mi11099-1198292+18292+111868(Top 46%)8393(Top 58%)8393(Top 378%)
30K18.64 mi3.11 mi10653+4467983+3097983+3099372(Top 37%)6954(Top 48%)6954(Top 314%)
20M20.00 mi1.36 mi10366+2877781+2027781+2027923(Top 31%)5963(Top 41%)5963(Top 269%)
21M21.00 mi1.00 mi10065+3017577+2047577+2046904(Top 27%)5220(Top 36%)5220(Top 235%)
35K21.75 mi0.75 mi9919+1467471+1067471+1067498(Top 29%)5495(Top 38%)5495(Top 248%)
23M23.00 mi1.25 mi9746+1737318+1537318+1538044(Top 31%)5626(Top 39%)5626(Top 254%)
24M24.00 mi1.00 mi9545+2017171+1477171+1476721(Top 26%)4841(Top 33%)4841(Top 218%)
40K24.85 mi0.85 mi9340+2057025+1467025+1465479(Top 21%)4062(Top 28%)4062(Top 183%)
25.2M25.20 mi0.35 mi9251+896961+646961+645658(Top 22%)4103(Top 28%)4103(Top 185%)
Finish26.22 mi1.02 mi9122+1296849+1126849+1127058(Top 28%)4903(Top 34%)4903(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12177

Males

8798

M45-49

8798

5K→10K

3.1 - 6.2 mi

Top 43%
×5stories
+79ft-138ft

Overall

11029

Males

8342

M45-49

8342

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12177

Males

8798

M45-49

8798

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

10926

Males

8121

M45-49

8121

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

12944

Males

9043

M45-49

9043

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

11868

Males

8393

M45-49

8393

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9372

Males

6954

M45-49

6954

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

7923

Males

5963

M45-49

5963

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

6904

Males

5220

M45-49

5220

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7498

Males

5495

M45-49

5495

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8044

Males

5626

M45-49

5626

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6721

Males

4841

M45-49

4841

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5479

Males

4062

M45-49

4062

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5658

Males

4103

M45-49

4103

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7058

Males

4903

M45-49

4903

Passing Analysis

Category:
Athletes Passed
2763*
Passed By
2454
Net Change
+308
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9430
5K → 10K79813-735#9430#10165
10K → 15K63761-698#10165#10863
15K → 20K219217+2#10863#10861
20K → Half19138-119#10861#10980
Half → 25K181300-119#10980#11099
25K → 30K52175+446#11099#10653
30K → 20M31023+287#10653#10366
20M → 21M31211+301#10366#10065
21M → 35K158*12+146#10065#9919
35K → 23M22350+173#9919#9746
23M → 24M214*13+201#9746#9545
24M → 40K2105+205#9545#9340
40K → 25.2M923+89#9340#9251
25.2M → Finish16233+129#9251#9122
TOTALS2763*2454+308

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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