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BOSTON MARATHON 2024

Kin Hang Chu

Bib: 11240•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 36%
Gender (Male)
#0 / 14578
Top 48%
Masters (Masters Men)
#0 / 9729
Top 38%
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:00
Rank: #9952
Start → 5K
7:24/mi
23:00 split
10K· 6.21 mi
45:54
Rank: #9525 (+427)
5K → 10K
7:22/mi
22:54 split
15K· 9.32 mi
1:08:58
Rank: #9330 (+195)
10K → 15K
7:25/mi
23:04 split
20K· 12.43 mi
1:32:27
Rank: #9160 (+170)
15K → 20K
7:34/mi
23:29 split
Half· 13.11 mi
1:37:53
Rank: #9329 (-169)
20K → Half
7:58/mi
5:26 split
25K· 15.53 mi
1:57:11
Rank: #9380 (-51)
Half → 25K
7:58/mi
19:18 split
30K· 18.64 mi
2:23:54
Rank: #9684 (-304)
25K → 30K
8:36/mi
26:43 split
20M
2:35:55
Rank: #9748 (-64)
30K → 20M
8:51/mi
12:01 split
21M
2:45:30
Rank: #9810 (-62)
20M → 21M
9:35/mi
9:35 split
35K· 21.75 mi
2:51:20
Rank: #9639 (+171)
21M → 35K
7:48/mi
5:50 split
23M
3:02:07
Rank: #9539 (+100)
35K → 23M
8:37/mi
10:47 split
24M
3:10:22
Rank: #9430 (+109)
23M → 24M
8:15/mi
8:15 split
40K· 24.85 mi
3:17:17
Rank: #9271 (+159)
24M → 40K
8:05/mi
6:55 split
25.2M
3:20:35
Rank: #9253 (+18)
40K → 25.2M
9:34/mi
3:18 split
Finish· 26.22 mi
3:29:04
Rank: #9302 (-49)
25.2M → Finish
8:19/mi
8:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:53
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:51:11
Pace8:29 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2523:007:2423:00
7:24
-
10K
6.21 mi11:13:1945:547:2322:54
7:22
-0:02
15K
9.32 mi11:36:231:08:587:2423:04
7:25
+0:03
20K
12.43 mi11:59:521:32:277:2623:29
7:34
+0:09
Half
13.11 mi12:05:181:37:537:285:26
7:58
+0:24
25K
15.53 mi12:24:361:57:117:3319:18
7:58
0:00
30K
18.64 mi12:51:192:23:547:4326:43
8:36
+0:38
20M
20.00 mi13:03:202:35:557:4812:01
8:51
+0:15
21M
21.00 mi13:12:552:45:307:539:35
9:35
+0:44
35K
21.75 mi13:18:452:51:207:535:50
7:48
-1:47
23M
23.00 mi13:29:323:02:077:5510:47
8:37
+0:49
24M
24.00 mi13:37:473:10:227:568:15
8:15
-0:22
40K
24.85 mi13:44:423:17:177:566:55
8:05
-0:10
25.2M
25.20 mi13:48:003:20:357:583:18
9:34
+1:29
Finish
26.22 mi13:56:293:29:047:598:29
8:19
-1:15

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

7:22 /mi

Average Pace

7:59 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:27

44% of race

Time at Steady Pace

54:13

26% of race

Time at Slower Pace

1:02:24

30% of race

Average Pace: 7:58 /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 mi10:50:2523:007:2423:00
7:24
#9952
10K
6.21 mi11:13:1945:547:2322:54
7:22
#9525
15K
9.32 mi11:36:231:08:587:2423:04
7:25
#9330
20K
12.43 mi11:59:521:32:277:2623:29
7:34
#9160
Half
13.11 mi12:05:181:37:537:285:26
7:58
#9329
25K
15.53 mi12:24:361:57:117:3319:18
7:58
#9380
30K
18.64 mi12:51:192:23:547:4326:43
8:36
#9684
20M
20.00 mi13:03:202:35:557:4812:01
8:51
#9748
21M
21.00 mi13:12:552:45:307:539:35
9:35
#9810
35K
21.75 mi13:18:452:51:207:535:50
7:48
#9639
23M
23.00 mi13:29:323:02:077:5510:47
8:37
#9539
24M
24.00 mi13:37:473:10:227:568:15
8:15
#9430
40K
24.85 mi13:44:423:17:177:566:55
8:05
#9271
25.2M
25.20 mi13:48:003:20:357:583:18
9:34
#9253
Finish
26.22 mi13:56:293:29:047:598:29
8:19
#9302
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9952793479349057(Top 35%)7319(Top 50%)7319(Top 330%)
10K6.21 mi3.10 mi9525+4277674+2607674+2609204(Top 36%)7451(Top 51%)7451(Top 336%)
15K9.32 mi3.11 mi9330+1957539+1357539+1359057(Top 35%)7319(Top 50%)7319(Top 330%)
20K12.43 mi3.11 mi9160+1707395+1447395+1448794(Top 34%)7048(Top 48%)7048(Top 318%)
Half13.11 mi0.68 mi9329-1697491-967491-9612433(Top 49%)8824(Top 61%)8824(Top 398%)
25K15.53 mi2.42 mi9380-517471+207471+209924(Top 39%)7454(Top 51%)7454(Top 336%)
30K18.64 mi3.11 mi9684-3047513-427513-4211154(Top 44%)7866(Top 54%)7866(Top 355%)
20M20.00 mi1.36 mi9748-647480+337480+3311274(Top 44%)7613(Top 52%)7613(Top 343%)
21M21.00 mi1.00 mi9810-627457+237457+2311203(Top 44%)7324(Top 50%)7324(Top 330%)
35K21.75 mi0.75 mi9639+1717330+1277330+1276590(Top 26%)5022(Top 34%)5022(Top 226%)
23M23.00 mi1.25 mi9539+1007220+1107220+1109064(Top 35%)6134(Top 42%)6134(Top 277%)
24M24.00 mi1.00 mi9430+1097113+1077113+1078024(Top 31%)5512(Top 38%)5512(Top 249%)
40K24.85 mi0.85 mi9271+1596993+1206993+1206230(Top 24%)4460(Top 31%)4460(Top 201%)
25.2M25.20 mi0.35 mi9253+186963+306963+308985(Top 35%)5821(Top 40%)5821(Top 262%)
Finish26.22 mi1.02 mi9302-496950+136950+1310469(Top 41%)6711(Top 46%)6711(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

9057

Males

7319

M45-49

7319

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9204

Males

7451

M45-49

7451

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

9057

Males

7319

M45-49

7319

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8794

Males

7048

M45-49

7048

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12433

Males

8824

M45-49

8824

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

9924

Males

7454

M45-49

7454

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11154

Males

7866

M45-49

7866

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11274

Males

7613

M45-49

7613

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11203

Males

7324

M45-49

7324

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6590

Males

5022

M45-49

5022

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9064

Males

6134

M45-49

6134

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8024

Males

5512

M45-49

5512

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6230

Males

4460

M45-49

4460

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

8985

Males

5821

M45-49

5821

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10469

Males

6711

M45-49

6711

Passing Analysis

Category:
Athletes Passed
2533*
Passed By
1880
Net Change
+650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9952
5K → 10K50780+427#9952#9525
10K → 15K28994+195#9525#9330
15K → 20K289119+170#9330#9160
20K → Half13182-169#9160#9329
Half → 25K185236-51#9329#9380
25K → 30K175478-304#9380#9684
30K → 20M133196-64#9684#9748
20M → 21M109170-62#9748#9810
21M → 35K18110+171#9810#9639
35K → 23M19898+100#9639#9539
23M → 24M157*48+109#9539#9430
24M → 40K16910+159#9430#9271
40K → 25.2M5234+18#9271#9253
25.2M → Finish76125-49#9253#9302
TOTALS2533*1880+650

* 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