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BOSTON MARATHON 2024

Chunming Liu

Bib: 18507•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 37%
Gender (Male)
#0 / 14578
Top 48%
Masters (Masters Men)
#0 / 9729
Top 39%
Division (M60-64)
#0 / 1173
Top 10%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:24/mi
22:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:31/mi
46:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:10:00
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:34:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:42/mi
1:39:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
1:58:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:24:29
↑ 181↓ 1480.2%
20M
8:30/mi
2:36:02
↑ 64↓ 500.2%
21M
9:02/mi
2:45:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
2:51:18
↑ 17↓ 861.7%
23M
8:35/mi
3:02:03
↑ 23↓ 630.6%
24M
8:33/mi
3:10:36
↓ 821.3%
40K· 24.85 mi
8:51/mi
3:18:10
↓ 200.3%
25.2M
9:40/mi
3:21:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:29:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:23
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:50:23
Pace8:25 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5322:597:2422:59
7:24
-
10K
6.21 mi11:39:1346:197:2723:20
7:31
+0:07
15K
9.32 mi12:02:541:10:007:3123:41
7:37
+0:06
20K
12.43 mi12:27:021:34:087:3424:08
7:46
+0:09
Half
13.11 mi12:32:171:39:237:355:15
7:42
-0:04
25K
15.53 mi12:51:431:58:497:3919:26
8:01
+0:19
30K
18.64 mi13:17:232:24:297:4525:40
8:16
+0:15
20M
20.00 mi13:28:562:36:027:4811:33
8:30
+0:14
21M
21.00 mi13:37:582:45:047:529:02
9:02
+0:32
35K
21.75 mi13:44:122:51:187:536:14
8:20
-0:42
23M
23.00 mi13:54:573:02:037:5510:45
8:35
+0:15
24M
24.00 mi14:03:303:10:367:578:33
8:33
-0:02
40K
24.85 mi14:11:043:18:107:587:34
8:51
+0:18
25.2M
25.20 mi14:14:243:21:308:003:20
9:40
+0:49
Finish
26.22 mi14:22:403:29:468:008:16
8:07
-1:33

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

7:24 /mi

Average Pace

8:00 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:23

47% of race

Time at Steady Pace

1:19:42

38% of race

Time at Slower Pace

30:41

15% of race

Average Pace: 8:00 /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 mi11:15:5322:597:2422:59
7:24
#9899
10K
6.21 mi11:39:1346:197:2723:20
7:31
#10063
15K
9.32 mi12:02:541:10:007:3123:41
7:37
#10251
20K
12.43 mi12:27:021:34:087:3424:08
7:46
#10210
Half
13.11 mi12:32:171:39:237:355:15
7:42
#10210
25K
15.53 mi12:51:431:58:497:3919:26
8:01
#10157
30K
18.64 mi13:17:232:24:297:4525:40
8:16
#9908
20M
20.00 mi13:28:562:36:027:4811:33
8:30
#9797
21M
21.00 mi13:37:582:45:047:529:02
9:02
#9663
35K
21.75 mi13:44:122:51:187:536:14
8:20
#9622
23M
23.00 mi13:54:573:02:037:5510:45
8:35
#9517
24M
24.00 mi14:03:303:10:367:578:33
8:33
#9506
40K
24.85 mi14:11:043:18:107:587:34
8:51
#9521
25.2M
25.20 mi14:14:243:21:308:003:20
9:40
#9506
Finish
26.22 mi14:22:403:29:468:008:16
8:07
#9508
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi98997902790210593(Top 41%)8087(Top 55%)8087(Top 689%)
10K6.21 mi3.10 mi10063-1647966-647966-6410348(Top 41%)8050(Top 55%)8050(Top 686%)
15K9.32 mi3.11 mi10251-1888010-448010-4410593(Top 41%)8087(Top 55%)8087(Top 689%)
20K12.43 mi3.11 mi10210+417924+867924+8610182(Top 40%)7740(Top 53%)7740(Top 660%)
Half13.11 mi0.68 mi102107918+67918+610496(Top 41%)7916(Top 54%)7916(Top 675%)
25K15.53 mi2.42 mi10157+537840+787840+7810274(Top 40%)7627(Top 52%)7627(Top 650%)
30K18.64 mi3.11 mi9908+2497613+2277613+2279340(Top 37%)6935(Top 48%)6935(Top 591%)
20M20.00 mi1.36 mi9797+1117500+1137500+1139428(Top 37%)6740(Top 46%)6740(Top 575%)
21M21.00 mi1.00 mi9663+1347387+1137387+1138748(Top 34%)6172(Top 42%)6172(Top 526%)
35K21.75 mi0.75 mi9622+417323+647323+649745(Top 38%)6629(Top 45%)6629(Top 565%)
23M23.00 mi1.25 mi9517+1057205+1187205+1188927(Top 35%)6067(Top 42%)6067(Top 517%)
24M24.00 mi1.00 mi9506+117152+537152+539741(Top 38%)6413(Top 44%)6413(Top 547%)
40K24.85 mi0.85 mi9521-157117+357117+3510127(Top 40%)6474(Top 44%)6474(Top 552%)
25.2M25.20 mi0.35 mi9506+157092+257092+259403(Top 37%)6034(Top 41%)6034(Top 514%)
Finish26.22 mi1.02 mi9508-27064+287064+289234(Top 36%)6056(Top 42%)6056(Top 516%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10593

Males

8087

M60-64

8087

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10348

Males

8050

M60-64

8050

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10593

Males

8087

M60-64

8087

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10182

Males

7740

M60-64

7740

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10496

Males

7916

M60-64

7916

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10274

Males

7627

M60-64

7627

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9340

Males

6935

M60-64

6935

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9428

Males

6740

M60-64

6740

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

8748

Males

6172

M60-64

6172

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

9745

Males

6629

M60-64

6629

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

8927

Males

6067

M60-64

6067

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

9741

Males

6413

M60-64

6413

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10127

Males

6474

M60-64

6474

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9403

Males

6034

M60-64

6034

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9234

Males

6056

M60-64

6056

Passing Analysis

Category:
Athletes Passed
2273*
Passed By
1879
Net Change
+391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9899
5K → 10K206369-164#9899#10063
10K → 15K144331-188#10063#10251
15K → 20K252211+41#10251#10210
20K → Half37370#10210#10210
Half → 25K219166+53#10210#10157
25K → 30K402153+249#10157#9908
30K → 20M19886+111#9908#9797
20M → 21M19359+134#9797#9663
21M → 35K10463+41#9663#9622
35K → 23M20297+105#9622#9517
23M → 24M102*91+11#9517#9506
24M → 40K8499-15#9506#9521
40K → 25.2M5540+15#9521#9506
25.2M → Finish7577-2#9506#9508
TOTALS2273*1879+391

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

📊

Passing Visuals

Category:
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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