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BOSTON MARATHON 2024

Qing Liu

Bib: 7545•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 25%
Gender (Male)
#0 / 14578
Top 37%
Masters (Masters Men)
#0 / 9729
Top 25%
Division (M40-44)
#0 / 2009
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:06
Rank: #5576
Start → 5K
21:06 | 6:47/mi
10K· 6.21 mi
42:57
Rank: #6256 (-680)
5K → 10K
21:51 | 7:02/mi
15K· 9.32 mi
1:05:15
Rank: #6615 (-359)
10K → 15K
22:18 | 7:11/mi
20K· 12.43 mi
1:28:14
Rank: #6777 (-162)
15K → 20K
22:59 | 7:24/mi
Half· 13.11 mi
1:32:59
Rank: #6703 (+74)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:50:37
Rank: #6465 (+238)
Half → 25K
17:38 | 7:16/mi
30K· 18.64 mi
2:14:59
Rank: #6418 (+47)
25K → 30K
24:22 | 7:51/mi
20M
2:25:57
Rank: #6379 (+39)
30K → 20M
10:58 | 8:04/mi
21M
2:34:24
Rank: #6283 (+96)
20M → 21M
8:27 | 8:27/mi
35K· 21.75 mi
2:40:28
Rank: #6309 (-26)
21M → 35K
6:04 | 8:07/mi
23M
2:50:52
Rank: #6267 (+42)
35K → 23M
10:24 | 8:18/mi
24M
2:59:16
Rank: #6294 (-27)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:06:51
Rank: #6401 (-107)
24M → 40K
7:35 | 8:52/mi
25.2M
3:10:18
Rank: #6454 (-53)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:18:21
Rank: #6487 (-33)
25.2M → Finish
8:03 | 7:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:59
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:45:22
Pace8:02 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:1321:066:4721:06
6:47
-
10K
6.21 mi10:51:0442:576:5521:51
7:02
+0:15
15K
9.32 mi11:13:221:05:157:0022:18
7:11
+0:09
20K
12.43 mi11:36:211:28:147:0622:59
7:24
+0:13
Half
13.11 mi11:41:061:32:597:064:45
6:58
-0:26
25K
15.53 mi11:58:441:50:377:0717:38
7:16
+0:18
30K
18.64 mi12:23:062:14:597:1424:22
7:51
+0:35
20M
20.00 mi12:34:042:25:577:1810:58
8:04
+0:13
21M
21.00 mi12:42:312:34:247:218:27
8:27
+0:23
35K
21.75 mi12:48:352:40:287:236:04
8:07
-0:20
23M
23.00 mi12:58:592:50:527:2610:24
8:18
+0:11
24M
24.00 mi13:07:232:59:167:288:24
8:24
+0:06
40K
24.85 mi13:14:583:06:517:317:35
8:52
+0:28
25.2M
25.20 mi13:18:253:10:187:333:27
10:00
+1:08
Finish
26.22 mi13:26:283:18:217:348:03
7:54
-2:06

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

6:47 /mi

Average Pace

7:34 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:37

56% of race

Time at Steady Pace

59:51

30% of race

Time at Slower Pace

27:53

14% of race

Average Pace: 7:34 /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 mi10:29:1321:066:4721:06
6:47
#5576
10K
6.21 mi10:51:0442:576:5521:51
7:02
#6256
15K
9.32 mi11:13:221:05:157:0022:18
7:11
#6615
20K
12.43 mi11:36:211:28:147:0622:59
7:24
#6777
Half
13.11 mi11:41:061:32:597:064:45
6:58
#6703
25K
15.53 mi11:58:441:50:377:0717:38
7:16
#6465
30K
18.64 mi12:23:062:14:597:1424:22
7:51
#6418
20M
20.00 mi12:34:042:25:577:1810:58
8:04
#6379
21M
21.00 mi12:42:312:34:247:218:27
8:27
#6283
35K
21.75 mi12:48:352:40:287:236:04
8:07
#6309
23M
23.00 mi12:58:592:50:527:2610:24
8:18
#6267
24M
24.00 mi13:07:232:59:167:288:24
8:24
#6294
40K
24.85 mi13:14:583:06:517:317:35
8:52
#6401
25.2M
25.20 mi13:18:253:10:187:333:27
10:00
#6454
Finish
26.22 mi13:26:283:18:217:348:03
7:54
#6487
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5576511451147315(Top 29%)6282(Top 43%)6282(Top 313%)
10K6.21 mi3.10 mi6256-6805616-5025616-5026858(Top 27%)6017(Top 41%)6017(Top 300%)
15K9.32 mi3.11 mi6615-3595854-2385854-2387315(Top 29%)6282(Top 43%)6282(Top 313%)
20K12.43 mi3.11 mi6777-1625955-1015955-1017609(Top 30%)6364(Top 44%)6364(Top 317%)
Half13.11 mi0.68 mi6703+745904+515904+515520(Top 22%)4974(Top 34%)4974(Top 248%)
25K15.53 mi2.42 mi6465+2385686+2185686+2185675(Top 22%)4965(Top 34%)4965(Top 247%)
30K18.64 mi3.11 mi6418+475599+875599+876960(Top 27%)5607(Top 38%)5607(Top 279%)
20M20.00 mi1.36 mi6379+395532+675532+677152(Top 28%)5520(Top 38%)5520(Top 275%)
21M21.00 mi1.00 mi6283+965430+1025430+1025999(Top 23%)4682(Top 32%)4682(Top 233%)
35K21.75 mi0.75 mi6309-265422+85422+88413(Top 33%)5960(Top 41%)5960(Top 297%)
23M23.00 mi1.25 mi6267+425345+775345+777370(Top 29%)5267(Top 36%)5267(Top 262%)
24M24.00 mi1.00 mi6294-275332+135332+138811(Top 34%)5922(Top 41%)5922(Top 295%)
40K24.85 mi0.85 mi6401-1075365-335365-3310217(Top 40%)6511(Top 45%)6511(Top 324%)
25.2M25.20 mi0.35 mi6454-535375-105375-1010885(Top 43%)6807(Top 47%)6807(Top 339%)
Finish26.22 mi1.02 mi6487-335362+135362+137902(Top 31%)5357(Top 37%)5357(Top 267%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7315

Males

6282

M40-44

6282

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

6858

Males

6017

M40-44

6017

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7315

Males

6282

M40-44

6282

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7609

Males

6364

M40-44

6364

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

5520

Males

4974

M40-44

4974

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5675

Males

4965

M40-44

4965

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

6960

Males

5607

M40-44

5607

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7152

Males

5520

M40-44

5520

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

5999

Males

4682

M40-44

4682

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8413

Males

5960

M40-44

5960

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7370

Males

5267

M40-44

5267

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

8811

Males

5922

M40-44

5922

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10217

Males

6511

M40-44

6511

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

10885

Males

6807

M40-44

6807

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

7902

Males

5357

M40-44

5357

Passing Analysis

Category:
Athletes Passed
1512
Passed By
2423
Net Change
-911
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5576
5K → 10K46726-680#5576#6256
10K → 15K58417-359#6256#6615
15K → 20K117279-162#6615#6777
20K → Half817+74#6777#6703
Half → 25K27335+238#6703#6465
25K → 30K243196+47#6465#6418
30K → 20M13495+39#6418#6379
20M → 21M16367+96#6379#6283
21M → 35K5581-26#6283#6309
35K → 23M13391+42#6309#6267
23M → 24M73100-27#6267#6294
24M → 40K56163-107#6294#6401
40K → 25.2M2174-53#6401#6454
25.2M → Finish5992-33#6454#6487
TOTALS15122423-911
📊

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