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BOSTON MARATHON 2024

Jacob Liao Ong

Bib: 20405•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Top 43%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:11
Rank: #17358
Start → 5K
26:11 | 8:26/mi
10K· 6.21 mi
52:36
Rank: #17311 (+47)
5K → 10K
26:25 | 8:30/mi
15K· 9.32 mi
1:19:15
Rank: #17105 (+206)
10K → 15K
26:39 | 8:35/mi
20K· 12.43 mi
1:46:05
Rank: #16629 (+476)
15K → 20K
26:50 | 8:38/mi
Half· 13.11 mi
1:51:49
Rank: #16542 (+87)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:12:55
Rank: #16070 (+472)
Half → 25K
21:06 | 8:42/mi
30K· 18.64 mi
2:41:54
Rank: #15806 (+264)
25K → 30K
28:59 | 9:20/mi
20M
2:55:45
Rank: #15962 (-156)
30K → 20M
13:51 | 10:12/mi
21M
3:06:08
Rank: #15878 (+84)
20M → 21M
10:23 | 10:23/mi
35K· 21.75 mi
3:13:12
Rank: #15858 (+20)
21M → 35K
7:04 | 9:27/mi
23M
3:25:30
Rank: #15792 (+66)
35K → 23M
12:18 | 9:49/mi
24M
3:35:06
Rank: #15735 (+57)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
3:43:51
Rank: #15738 (-3)
24M → 40K
8:45 | 10:14/mi
25.2M
3:48:10
Rank: #15794 (-56)
40K → 25.2M
4:19 | 12:31/mi
Finish· 26.22 mi
3:58:04
Rank: #15849 (-55)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:49
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:06:15
Pace9:38 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4326:118:2626:11
8:26
-
10K
6.21 mi11:48:0852:368:2826:25
8:30
+0:04
15K
9.32 mi12:14:471:19:158:3026:39
8:35
+0:05
20K
12.43 mi12:41:371:46:058:3226:50
8:38
+0:03
Half
13.11 mi12:47:211:51:498:325:44
8:24
-0:14
25K
15.53 mi13:08:272:12:558:3321:06
8:42
+0:18
30K
18.64 mi13:37:262:41:548:4128:59
9:20
+0:38
20M
20.00 mi13:51:172:55:458:4713:51
10:12
+0:52
21M
21.00 mi14:01:403:06:088:5210:23
10:23
+0:11
35K
21.75 mi14:08:443:13:128:537:04
9:27
-0:56
23M
23.00 mi14:21:023:25:308:5612:18
9:49
+0:22
24M
24.00 mi14:30:383:35:068:589:36
9:36
-0:13
40K
24.85 mi14:39:233:43:519:008:45
10:14
+0:38
25.2M
25.20 mi14:43:423:48:109:034:19
12:31
+2:17
Finish
26.22 mi14:53:363:58:049:059:54
9:43
-2:48

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

8:24 /mi

Average Pace

9:05 /mi

Slowest Pace

12:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:55

56% of race

Time at Steady Pace

1:07:51

29% of race

Time at Slower Pace

37:18

16% of race

Average Pace: 9:05 /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 mi11:21:4326:118:2626:11
8:26
#17358
10K
6.21 mi11:48:0852:368:2826:25
8:30
#17311
15K
9.32 mi12:14:471:19:158:3026:39
8:35
#17105
20K
12.43 mi12:41:371:46:058:3226:50
8:38
#16629
Half
13.11 mi12:47:211:51:498:325:44
8:24
#16542
25K
15.53 mi13:08:272:12:558:3321:06
8:42
#16070
30K
18.64 mi13:37:262:41:548:4128:59
9:20
#15806
20M
20.00 mi13:51:172:55:458:4713:51
10:12
#15962
21M
21.00 mi14:01:403:06:088:5210:23
10:23
#15878
35K
21.75 mi14:08:443:13:128:537:04
9:27
#15858
23M
23.00 mi14:21:023:25:308:5612:18
9:49
#15792
24M
24.00 mi14:30:383:35:068:589:36
9:36
#15735
40K
24.85 mi14:39:233:43:519:008:45
10:14
#15738
25.2M
25.20 mi14:43:423:48:109:034:19
12:31
#15794
Finish
26.22 mi14:53:363:58:049:059:54
9:43
#15849
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17358109381093816820(Top 66%)10744(Top 74%)10744(Top 916%)
10K6.21 mi3.10 mi17311+47109381093817281(Top 68%)10943(Top 75%)10943(Top 933%)
15K9.32 mi3.11 mi17105+20610849+8910849+8916820(Top 66%)10744(Top 74%)10744(Top 916%)
20K12.43 mi3.11 mi16629+47610645+20410645+20415512(Top 61%)10170(Top 70%)10170(Top 867%)
Half13.11 mi0.68 mi16542+8710608+3710608+3715153(Top 59%)9992(Top 69%)9992(Top 852%)
25K15.53 mi2.42 mi16070+47210378+23010378+23014081(Top 55%)9397(Top 64%)9397(Top 801%)
30K18.64 mi3.11 mi15806+26410215+16310215+16314736(Top 58%)9426(Top 65%)9426(Top 804%)
20M20.00 mi1.36 mi15962-15610240-2510240-2517088(Top 67%)10291(Top 71%)10291(Top 877%)
21M21.00 mi1.00 mi15878+8410165+7510165+7514429(Top 56%)8872(Top 61%)8872(Top 756%)
35K21.75 mi0.75 mi15858+2010132+3310132+3315285(Top 60%)9274(Top 64%)9274(Top 791%)
23M23.00 mi1.25 mi15792+6610062+7010062+7014826(Top 58%)8959(Top 61%)8959(Top 764%)
24M24.00 mi1.00 mi15735+5710005+5710005+5714874(Top 58%)8962(Top 61%)8962(Top 764%)
40K24.85 mi0.85 mi15738-39973+329973+3215806(Top 62%)9372(Top 64%)9372(Top 799%)
25.2M25.20 mi0.35 mi15794-569988-159988-1518529(Top 73%)10702(Top 73%)10702(Top 912%)
Finish26.22 mi1.02 mi15849-559990-29990-217393(Top 68%)10145(Top 70%)10145(Top 865%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

16820

Males

10744

M60-64

10744

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

17281

Males

10943

M60-64

10943

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

16820

Males

10744

M60-64

10744

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

15512

Males

10170

M60-64

10170

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15153

Males

9992

M60-64

9992

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14081

Males

9397

M60-64

9397

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

14736

Males

9426

M60-64

9426

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17088

Males

10291

M60-64

10291

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14429

Males

8872

M60-64

8872

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15285

Males

9274

M60-64

9274

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

14826

Males

8959

M60-64

8959

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

14874

Males

8962

M60-64

8962

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15806

Males

9372

M60-64

9372

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

18529

Males

10702

M60-64

10702

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

17393

Males

10145

M60-64

10145

Passing Analysis

Category:
Athletes Passed
2861
Passed By
1352
Net Change
+1509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17358
5K → 10K294247+47#17358#17311
10K → 15K350144+206#17311#17105
15K → 20K52953+476#17105#16629
20K → Half958+87#16629#16542
Half → 25K49725+472#16542#16070
25K → 30K378114+264#16070#15806
30K → 20M81237-156#15806#15962
20M → 21M14359+84#15962#15878
21M → 35K7555+20#15878#15858
35K → 23M15387+66#15858#15792
23M → 24M10649+57#15792#15735
24M → 40K7679-3#15735#15738
40K → 25.2M2581-56#15738#15794
25.2M → Finish59114-55#15794#15849
TOTALS28611352+1509
📊

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