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BOSTON MARATHON 2024

Dongcheol Lee

Bib: 11668•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 45%
Division (M55-59)
#0 / 1529
Top 33%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:37
Rank: #9018
Start → 5K
7:17/mi
22:37 split
10K· 6.21 mi
46:40
Rank: #10572 (-1554)
5K → 10K
7:44/mi
24:03 split
15K· 9.32 mi
1:10:06
Rank: #10332 (+240)
10K → 15K
7:33/mi
23:26 split
20K· 12.43 mi
1:34:20
Rank: #10319 (+13)
15K → 20K
7:48/mi
24:14 split
Half· 13.11 mi
1:39:33
Rank: #10309 (+10)
20K → Half
7:39/mi
5:13 split
25K· 15.53 mi
1:58:48
Rank: #10150 (+159)
Half → 25K
7:56/mi
19:15 split
30K· 18.64 mi
2:25:11
Rank: #10154 (-4)
25K → 30K
8:30/mi
26:23 split
20M
2:37:33
Rank: #10350 (-196)
30K → 20M
9:06/mi
12:22 split
21M
2:48:04
Rank: #10627 (-277)
20M → 21M
10:31/mi
10:31 split
35K· 21.75 mi
2:54:20
Rank: #10574 (+53)
21M → 35K
8:23/mi
6:16 split
23M
3:06:08
Rank: #10728 (-154)
35K → 23M
9:25/mi
11:48 split
24M
3:15:03
Rank: #10760 (-32)
23M → 24M
8:55/mi
8:55 split
40K· 24.85 mi
3:23:10
Rank: #10841 (-81)
24M → 40K
9:30/mi
8:07 split
25.2M
3:26:54
Rank: #10897 (-56)
40K → 25.2M
10:50/mi
3:44 split
Finish· 26.22 mi
3:36:16
Rank: #11055 (-158)
25.2M → Finish
9:11/mi
9:22 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:33
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:56:43
Pace8:54 /mi
📊Positive Split: 17.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3622:377:1722:37
7:17
-
10K
6.21 mi11:14:3946:407:3124:03
7:44
+0:27
15K
9.32 mi11:38:051:10:067:3123:26
7:33
-0:11
20K
12.43 mi12:02:191:34:207:3524:14
7:48
+0:15
Half
13.11 mi12:07:321:39:337:365:13
7:39
-0:09
25K
15.53 mi12:26:471:58:487:3919:15
7:56
+0:17
30K
18.64 mi12:53:102:25:117:4726:23
8:30
+0:34
20M
20.00 mi13:05:322:37:337:5312:22
9:06
+0:36
21M
21.00 mi13:16:032:48:048:0010:31
10:31
+1:25
35K
21.75 mi13:22:192:54:208:016:16
8:23
-2:08
23M
23.00 mi13:34:073:06:088:0611:48
9:25
+1:02
24M
24.00 mi13:43:023:15:038:088:55
8:55
-0:30
40K
24.85 mi13:51:093:23:108:108:07
9:30
+0:35
25.2M
25.20 mi13:54:533:26:548:133:44
10:50
+1:20
Finish
26.22 mi14:04:153:36:168:159:22
9:11
-1:39

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

7:17 /mi

Average Pace

8:15 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:48

55% of race

Time at Steady Pace

41:34

19% of race

Time at Slower Pace

55:54

26% of race

Average Pace: 8:15 /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 mi10:50:3622:377:1722:37
7:17
#9018
10K
6.21 mi11:14:3946:407:3124:03
7:44
#10572
15K
9.32 mi11:38:051:10:067:3123:26
7:33
#10332
20K
12.43 mi12:02:191:34:207:3524:14
7:48
#10319
Half
13.11 mi12:07:321:39:337:365:13
7:39
#10309
25K
15.53 mi12:26:471:58:487:3919:15
7:56
#10150
30K
18.64 mi12:53:102:25:117:4726:23
8:30
#10154
20M
20.00 mi13:05:322:37:337:5312:22
9:06
#10350
21M
21.00 mi13:16:032:48:048:0010:31
10:31
#10627
35K
21.75 mi13:22:192:54:208:016:16
8:23
#10574
23M
23.00 mi13:34:073:06:088:0611:48
9:25
#10728
24M
24.00 mi13:43:023:15:038:088:55
8:55
#10760
40K
24.85 mi13:51:093:23:108:108:07
9:30
#10841
25.2M
25.20 mi13:54:533:26:548:133:44
10:50
#10897
Finish
26.22 mi14:04:153:36:168:159:22
9:11
#11055
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9018741674169995(Top 39%)7802(Top 54%)7802(Top 510%)
10K6.21 mi3.10 mi10572-15548182-7668182-76612161(Top 48%)8850(Top 61%)8850(Top 579%)
15K9.32 mi3.11 mi10332+2408055+1278055+1279995(Top 39%)7802(Top 54%)7802(Top 510%)
20K12.43 mi3.11 mi10319+137977+787977+7810424(Top 41%)7859(Top 54%)7859(Top 514%)
Half13.11 mi0.68 mi10309+107960+177960+1710163(Top 40%)7763(Top 53%)7763(Top 508%)
25K15.53 mi2.42 mi10150+1597836+1247836+1249800(Top 38%)7396(Top 51%)7396(Top 484%)
30K18.64 mi3.11 mi10154-47734+1027734+10210615(Top 42%)7597(Top 52%)7597(Top 497%)
20M20.00 mi1.36 mi10350-1967774-407774-4012616(Top 49%)8231(Top 56%)8231(Top 538%)
21M21.00 mi1.00 mi10627-2777854-807854-8014867(Top 58%)9072(Top 62%)9072(Top 593%)
35K21.75 mi0.75 mi10574+537796+587796+589990(Top 39%)6746(Top 46%)6746(Top 441%)
23M23.00 mi1.25 mi10728-1547811-157811-1513161(Top 52%)8138(Top 56%)8138(Top 532%)
24M24.00 mi1.00 mi10760-327778+337778+3311700(Top 46%)7413(Top 51%)7413(Top 485%)
40K24.85 mi0.85 mi10841-817769+97769+913060(Top 51%)7953(Top 55%)7953(Top 520%)
25.2M25.20 mi0.35 mi10897-567772-37772-313869(Top 54%)8334(Top 57%)8334(Top 545%)
Finish26.22 mi1.02 mi11055-1587799-277799-2715092(Top 59%)9027(Top 62%)9027(Top 590%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

9995

Males

7802

M55-59

7802

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12161

Males

8850

M55-59

8850

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

9995

Males

7802

M55-59

7802

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10424

Males

7859

M55-59

7859

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10163

Males

7763

M55-59

7763

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

9800

Males

7396

M55-59

7396

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

10615

Males

7597

M55-59

7597

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

12616

Males

8231

M55-59

8231

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

14867

Males

9072

M55-59

9072

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

9990

Males

6746

M55-59

6746

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13161

Males

8138

M55-59

8138

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

11700

Males

7413

M55-59

7413

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13060

Males

7953

M55-59

7953

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13869

Males

8334

M55-59

8334

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15092

Males

9027

M55-59

9027

Passing Analysis

Category:
Athletes Passed
1795
Passed By
3828
Net Change
-2037
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9018
5K → 10K231575-1554#9018#10572
10K → 15K33595+240#10572#10332
15K → 20K231218+13#10332#10319
20K → Half4636+10#10319#10309
Half → 25K268109+159#10309#10150
25K → 30K291294-4#10150#10154
30K → 20M89284-196#10154#10350
20M → 21M61338-277#10350#10627
21M → 35K10249+53#10627#10574
35K → 23M107261-154#10574#10728
23M → 24M100132-32#10728#10760
24M → 40K66147-81#10760#10841
40K → 25.2M3288-56#10841#10897
25.2M → Finish44202-158#10897#11055
TOTALS17953828-2037
📊

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