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BOSTON MARATHON 2024

Hai Jung Jeong

Bib: 22650 M KR

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M75-79)
#0 / 43
Top 12%
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:49/mi
27:25
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:42/mi
54:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:49/mi
1:21:48
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:17/mi
1:50:40
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:11/mi
1:56:56
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:51/mi
2:20:48
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
10:41/mi
2:54:01
↑ 181↓ 1480.2%
138 ft elev
20M
10:34/mi
3:08:23
↑ 64↓ 500.2%
148 ft elev
21M
13:00/mi
3:21:23
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:39/mi
3:30:06
↑ 17↓ 861.7%
156 ft elev
23M
11:03/mi
3:43:56
↑ 23↓ 630.6%
116 ft elev
24M
10:47/mi
3:54:43
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:36/mi
4:04:38
↓ 200.3%
20 ft elev
25.2M
12:37/mi
4:08:59
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:08/mi
4:19:19
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:56:568:55 /mi⚡ faster
2nd Half
2:22:2310:52 /mi+21.8%
Positive split — 21.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5727:258:4927:25
8:49
-
10K
6.21 mi11:52:5854:268:4627:01
8:42
-0:07
15K
9.32 mi12:20:201:21:488:4727:22
8:49
+0:07
20K
12.43 mi12:49:121:50:408:5428:52
9:17
+0:28
Half
13.11 mi12:55:281:56:568:556:16
9:11
-0:06
25K
15.53 mi13:19:202:20:489:0423:52
9:51
+0:40
30K
18.64 mi13:52:332:54:019:2033:13
10:41
+0:50
20M
20.00 mi14:06:553:08:239:2514:22
10:34
-0:07
21M
21.00 mi14:19:553:21:239:3513:00
13:00
+2:26
35K
21.75 mi14:28:383:30:069:408:43
11:39
-1:21
23M
23.00 mi14:42:283:43:569:4413:50
11:03
-0:36
24M
24.00 mi14:53:153:54:439:4710:47
10:47
-0:16
40K
24.85 mi15:03:104:04:389:519:55
11:36
+0:49
25.2M
25.20 mi15:07:314:08:599:534:21
12:37
+1:01
Finish
26.22 mi15:17:514:19:199:5410:20
10:08
-2:29

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

8:42 /mi

Average Pace

9:54 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:20:48

54% of race

Time at Steady Pace

1:22:32

32% of race

Time at Slower Pace

35:59

14% of race

Average Pace: 9:53 /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 mi11:25:5727:258:4927:25
8:49
#19379
10K
6.21 mi11:52:5854:268:4627:01
8:42
#18897
15K
9.32 mi12:20:201:21:488:4727:22
8:49
#18590
20K
12.43 mi12:49:121:50:408:5428:52
9:17
#18525
Half
13.11 mi12:55:281:56:568:556:16
9:11
#18548
25K
15.53 mi13:19:202:20:489:0423:52
9:51
#18596
30K
18.64 mi13:52:332:54:019:2033:13
10:41
#18782
20M
20.00 mi14:06:553:08:239:2514:22
10:34
#18736
21M
21.00 mi14:19:553:21:239:3513:00
13:00
#18901
35K
21.75 mi14:28:383:30:069:408:43
11:39
#18985
23M
23.00 mi14:42:283:43:569:4413:50
11:03
#18932
24M
24.00 mi14:53:153:54:439:4710:47
10:47
#18898
40K
24.85 mi15:03:104:04:389:519:55
11:36
#18915
25.2M
25.20 mi15:07:314:08:599:534:21
12:37
#18914
Finish
26.22 mi15:17:514:19:199:5410:20
10:08
#18884
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM75-79Seg. OverallSeg. MalesSeg. M75-79
5K3.11 mi3.11 mi193791176511765179971124811248
10K6.21 mi3.10 mi18897+48211578+18711578+187183291137411374
15K9.32 mi3.11 mi18590+30711474+10411474+104179971124811248
20K12.43 mi3.11 mi18525+6511458+1611458+16185181147811478
Half13.11 mi0.68 mi18548-2311463-511463-5190001162211622
25K15.53 mi2.42 mi18596-4811467-411467-4186761143411434
30K18.64 mi3.11 mi18782-18611483-1611483-16192431149911499
20M20.00 mi1.36 mi18736+4611445+3811445+38181691083910839
21M21.00 mi1.00 mi18901-16511482-3711482-37207161200112001
35K21.75 mi0.75 mi18985-8411512-3011512-30211551218712187
23M23.00 mi1.25 mi18932+5311474+3811474+38185501083910839
24M24.00 mi1.00 mi18898+3411435+3911435+39186451082710827
40K24.85 mi0.85 mi18915-1711417+1811417+18195451122711227
25.2M25.20 mi0.35 mi18914+111416+111416+1187671083010830
Finish26.22 mi1.02 mi18884+3011377+3911377+39188721092210922

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

17997

Males

11248

M75-79

11248

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

18329

Males

11374

M75-79

11374

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

17997

Males

11248

M75-79

11248

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

18518

Males

11478

M75-79

11478

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19000

Males

11622

M75-79

11622

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

18676

Males

11434

M75-79

11434

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19243

Males

11499

M75-79

11499

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18169

Males

10839

M75-79

10839

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

20716

Males

12001

M75-79

12001

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

21155

Males

12187

M75-79

12187

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

18550

Males

10839

M75-79

10839

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

18645

Males

10827

M75-79

10827

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

19545

Males

11227

M75-79

11227

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

18767

Males

10830

M75-79

10830

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

18872

Males

10922

M75-79

10922

Passing Analysis

Category:
Athletes Passed
2171
Passed By
1676
Net Change
+495
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19379
5K → 10K56078+482#19379#18897
10K → 15K38578+307#18897#18590
15K → 20K283218+65#18590#18525
20K → Half3457-23#18525#18548
Half → 25K194242-48#18548#18596
25K → 30K172358-186#18596#18782
30K → 20M11569+46#18782#18736
20M → 21M37202-165#18736#18901
21M → 35K40124-84#18901#18985
35K → 23M11158+53#18985#18932
23M → 24M8349+34#18932#18898
24M → 40K5572-17#18898#18915
40K → 25.2M3130+1#18915#18914
25.2M → Finish7141+30#18914#18884
TOTALS21711676+495

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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