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BOSTON MARATHON 2024

Ching Hoon Ong

Bib: 27912•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 50%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
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
8:25/mi
26:08
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
50:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:15:45
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:40:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:46:13
↑ 19↓ 370.5%
25K· 15.53 mi
8:13/mi
2:06:09
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:32:27
↑ 181↓ 1480.2%
20M
8:25/mi
2:43:53
↑ 64↓ 500.2%
21M
8:55/mi
2:52:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
2:59:09
↑ 17↓ 861.7%
23M
8:41/mi
3:10:01
↑ 23↓ 630.6%
24M
8:39/mi
3:18:40
↓ 821.3%
40K· 24.85 mi
10:49/mi
3:27:55
↓ 200.3%
25.2M
11:39/mi
3:31:56
↑ 13↓ 160.2%
Finish· 26.22 mi
10:46/mi
3:42:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:13
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:56:41
Pace8:54 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3426:088:2526:08
8:25
-
10K
6.21 mi12:09:1250:468:1024:38
7:56
-0:29
15K
9.32 mi12:34:111:15:458:0824:59
8:02
+0:06
20K
12.43 mi12:59:151:40:498:0725:04
8:04
+0:02
Half
13.11 mi13:04:391:46:138:065:24
7:55
-0:09
25K
15.53 mi13:24:352:06:098:0719:56
8:13
+0:18
30K
18.64 mi13:50:532:32:278:1126:18
8:28
+0:15
20M
20.00 mi14:02:192:43:538:1211:26
8:25
-0:03
21M
21.00 mi14:11:142:52:488:148:55
8:55
+0:30
35K
21.75 mi14:17:352:59:098:146:21
8:29
-0:26
23M
23.00 mi14:28:273:10:018:1610:52
8:41
+0:12
24M
24.00 mi14:37:063:18:408:178:39
8:39
-0:02
40K
24.85 mi14:46:213:27:558:229:15
10:49
+2:10
25.2M
25.20 mi14:50:223:31:568:254:01
11:39
+0:50
Finish
26.22 mi15:01:203:42:548:3010:58
10:46
-0:53

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

7:55 /mi

Average Pace

8:30 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:18:40

89% of race

Time at Slower Pace

24:14

11% of race

Average Pace: 8:30 /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 mi11:44:3426:088:2526:08
8:25
#17268
10K
6.21 mi12:09:1250:468:1024:38
7:56
#15567
15K
9.32 mi12:34:111:15:458:0824:59
8:02
#14900
20K
12.43 mi12:59:151:40:498:0725:04
8:04
#14141
Half
13.11 mi13:04:391:46:138:065:24
7:55
#14028
25K
15.53 mi13:24:352:06:098:0719:56
8:13
#13561
30K
18.64 mi13:50:532:32:278:1126:18
8:28
#12825
20M
20.00 mi14:02:192:43:538:1211:26
8:25
#12492
21M
21.00 mi14:11:142:52:488:148:55
8:55
#12170
35K
21.75 mi14:17:352:59:098:146:21
8:29
#12077
23M
23.00 mi14:28:273:10:018:1610:52
8:41
#11887
24M
24.00 mi14:37:063:18:408:178:39
8:39
#11772
40K
24.85 mi14:46:213:27:558:229:15
10:49
#12084
25.2M
25.20 mi14:50:223:31:568:254:01
11:39
#12171
Finish
26.22 mi15:01:203:42:548:3010:58
10:46
#12651
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17268109081090813714(Top 54%)9494(Top 65%)9494(Top 491%)
10K6.21 mi3.10 mi15567+170110249+65910249+65913648(Top 53%)9484(Top 65%)9484(Top 490%)
15K9.32 mi3.11 mi14900+6679980+2699980+26913714(Top 54%)9494(Top 65%)9494(Top 491%)
20K12.43 mi3.11 mi14141+7599663+3179663+31712288(Top 48%)8788(Top 60%)8788(Top 454%)
Half13.11 mi0.68 mi14028+1139616+479616+4712109(Top 47%)8696(Top 60%)8696(Top 449%)
25K15.53 mi2.42 mi13561+4679398+2189398+21811496(Top 45%)8238(Top 57%)8238(Top 426%)
30K18.64 mi3.11 mi12825+7368996+4028996+40210472(Top 41%)7529(Top 52%)7529(Top 389%)
20M20.00 mi1.36 mi12492+3338786+2108786+2108975(Top 35%)6513(Top 45%)6513(Top 337%)
21M21.00 mi1.00 mi12170+3228578+2088578+2088171(Top 32%)5887(Top 40%)5887(Top 304%)
35K21.75 mi0.75 mi12077+938504+748504+7410664(Top 42%)7073(Top 49%)7073(Top 366%)
23M23.00 mi1.25 mi11887+1908351+1538351+1539439(Top 37%)6318(Top 43%)6318(Top 327%)
24M24.00 mi1.00 mi11772+1158254+978254+9710292(Top 40%)6682(Top 46%)6682(Top 345%)
40K24.85 mi0.85 mi12084-3128342-888342-8817589(Top 69%)10230(Top 70%)10230(Top 529%)
25.2M25.20 mi0.35 mi12171-878365-238365-2316396(Top 64%)9613(Top 66%)9613(Top 497%)
Finish26.22 mi1.02 mi12651-4808530-1658530-16520705(Top 81%)11833(Top 81%)11833(Top 612%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

13714

Males

9494

M50-54

9494

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

13648

Males

9484

M50-54

9484

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

13714

Males

9494

M50-54

9494

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12288

Males

8788

M50-54

8788

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12109

Males

8696

M50-54

8696

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11496

Males

8238

M50-54

8238

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10472

Males

7529

M50-54

7529

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

8975

Males

6513

M50-54

6513

20M→21M

20.0 - 21.0 mi

Top 32%
×8story building
+106ft-24ft

Overall

8171

Males

5887

M50-54

5887

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

10664

Males

7073

M50-54

7073

35K→23M

21.8 - 23.0 mi

Top 37%
×5story building
+23ft-63ft

Overall

9439

Males

6318

M50-54

6318

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10292

Males

6682

M50-54

6682

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

17589

Males

10230

M50-54

10230

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16396

Males

9613

M50-54

9613

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

20705

Males

11833

M50-54

11833

Passing Analysis

Category:
Athletes Passed
5771
Passed By
1154
Net Change
+4617
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17268
5K → 10K17087+1701#17268#15567
10K → 15K68619+667#15567#14900
15K → 20K77213+759#14900#14141
20K → Half1185+113#14141#14028
Half → 25K48720+467#14028#13561
25K → 30K75418+736#13561#12825
30K → 20M34310+333#12825#12492
20M → 21M3286+322#12492#12170
21M → 35K11926+93#12170#12077
35K → 23M23242+190#12077#11887
23M → 24M15136+115#11887#11772
24M → 40K33345-312#11772#12084
40K → 25.2M23110-87#12084#12171
25.2M → Finish17497-480#12171#12651
TOTALS57711154+4617
📊

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