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BOSTON MARATHON 2024

Bokun Kim

Bib: 1991•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 22%
Gender (Male)
#0 / 14578
Top 33%
Division (M18-39)
#0 / 4849
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
6:06/mi
18:57
↑ 97↓ 3451.5%
10K· 6.21 mi
6:08/mi
37:59
↑ 79↓ 1380.4%
15K· 9.32 mi
6:03/mi
56:48
↑ 67↓ 78
20K· 12.43 mi
6:05/mi
1:15:41
↑ 106↓ 860.1%
Half· 13.11 mi
6:06/mi
1:19:51
↑ 19↓ 370.5%
25K· 15.53 mi
9:25/mi
1:42:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:06:35
↑ 181↓ 1480.2%
20M
7:55/mi
2:17:21
↑ 64↓ 500.2%
21M
8:35/mi
2:25:56
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:31:38
↑ 17↓ 861.7%
23M
9:49/mi
2:43:55
↑ 23↓ 630.6%
24M
8:59/mi
2:52:54
↓ 821.3%
40K· 24.85 mi
10:40/mi
3:02:01
↓ 200.3%
25.2M
10:32/mi
3:05:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:14:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:51
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:54:33
Pace8:44 /mi
📊Positive Split: 43.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4418:576:0618:57
6:06
-
10K
6.21 mi10:38:4637:596:0719:02
6:08
+0:02
15K
9.32 mi10:57:3556:486:0618:49
6:03
-0:05
20K
12.43 mi11:16:281:15:416:0518:53
6:05
+0:02
Half
13.11 mi11:20:381:19:516:054:10
6:06
+0:01
25K
15.53 mi11:43:291:42:426:3722:51
9:25
+3:19
30K
18.64 mi12:07:222:06:356:4723:53
7:41
-1:44
20M
20.00 mi12:18:082:17:216:5210:46
7:55
+0:14
21M
21.00 mi12:26:432:25:566:578:35
8:35
+0:40
35K
21.75 mi12:32:252:31:386:585:42
7:37
-0:58
23M
23.00 mi12:44:422:43:557:0812:17
9:49
+2:12
24M
24.00 mi12:53:412:52:547:128:59
8:59
-0:50
40K
24.85 mi13:02:483:02:017:199:07
10:40
+1:41
25.2M
25.20 mi13:06:263:05:397:223:38
10:32
-0:08
Finish
26.22 mi13:15:113:14:247:258:45
8:35
-1:57

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

6:03 /mi

Average Pace

7:25 /mi

Slowest Pace

10:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:51

41% of race

Time at Steady Pace

57:41

30% of race

Time at Slower Pace

56:52

29% of race

Average Pace: 7:25 /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 mi10:19:4418:576:0618:57
6:06
#1250
10K
6.21 mi10:38:4637:596:0719:02
6:08
#1239
15K
9.32 mi10:57:3556:486:0618:49
6:03
#1104
20K
12.43 mi11:16:281:15:416:0518:53
6:05
#987
Half
13.11 mi11:20:381:19:516:054:10
6:06
#986
25K
15.53 mi11:43:291:42:426:3722:51
9:25
#3067
30K
18.64 mi12:07:222:06:356:4723:53
7:41
#3656
20M
20.00 mi12:18:082:17:216:5210:46
7:55
#3872
21M
21.00 mi12:26:432:25:566:578:35
8:35
#4022
35K
21.75 mi12:32:252:31:386:585:42
7:37
#4056
23M
23.00 mi12:44:422:43:557:0812:17
9:49
#4609
24M
24.00 mi12:53:412:52:547:128:59
8:59
#4799
40K
24.85 mi13:02:483:02:017:199:07
10:40
#5257
25.2M
25.20 mi13:06:263:05:397:223:38
10:32
#5381
Finish
26.22 mi13:15:113:14:247:258:45
8:35
#5559
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi125012091209921(Top 4%)893(Top 6%)893(Top 18%)
10K6.21 mi3.10 mi1239+111199+101199+101251(Top 5%)1212(Top 8%)1212(Top 25%)
15K9.32 mi3.11 mi1104+1351065+1341065+134921(Top 4%)893(Top 6%)893(Top 18%)
20K12.43 mi3.11 mi987+117952+113952+113767(Top 3%)736(Top 5%)736(Top 15%)
Half13.11 mi0.68 mi986+1951+1951+11076(Top 4%)1042(Top 7%)1042(Top 21%)
25K15.53 mi2.42 mi3067-20812923-19722923-197217269(Top 68%)10808(Top 74%)10808(Top 223%)
30K18.64 mi3.11 mi3656-5893436-5133436-5136064(Top 24%)5047(Top 35%)5047(Top 104%)
20M20.00 mi1.36 mi3872-2163614-1783614-1786331(Top 25%)5047(Top 35%)5047(Top 104%)
21M21.00 mi1.00 mi4022-1503725-1113725-1116600(Top 26%)5037(Top 35%)5037(Top 104%)
35K21.75 mi0.75 mi4056-343748-233748-235645(Top 22%)4473(Top 31%)4473(Top 92%)
23M23.00 mi1.25 mi4609-5534171-4234171-42314757(Top 58%)8919(Top 61%)8919(Top 184%)
24M24.00 mi1.00 mi4799-1904284-1134284-11312039(Top 47%)7570(Top 52%)7570(Top 156%)
40K24.85 mi0.85 mi5257-4584593-3094593-30917142(Top 67%)10004(Top 69%)10004(Top 206%)
25.2M25.20 mi0.35 mi5381-1244669-764669-7612865(Top 50%)7786(Top 53%)7786(Top 161%)
Finish26.22 mi1.02 mi5559-1784762-934762-9311953(Top 47%)7475(Top 51%)7475(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

921

Males

893

M18-39

893

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1251

Males

1212

M18-39

1212

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

921

Males

893

M18-39

893

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

767

Males

736

M18-39

736

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1076

Males

1042

M18-39

1042

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

17269

Males

10808

M18-39

10808

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6064

Males

5047

M18-39

5047

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6331

Males

5047

M18-39

5047

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

6600

Males

5037

M18-39

5037

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5645

Males

4473

M18-39

4473

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

14757

Males

8919

M18-39

8919

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12039

Males

7570

M18-39

7570

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17142

Males

10004

M18-39

10004

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

12865

Males

7786

M18-39

7786

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

11953

Males

7475

M18-39

7475

Passing Analysis

Category:
Athletes Passed
641
Passed By
4950
Net Change
-4309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1250
5K → 10K6756+11#1250#1239
10K → 15K1416+135#1239#1104
15K → 20K1214+117#1104#987
20K → Half87+1#987#986
Half → 25K02081-2081#986#3067
25K → 30K59648-589#3067#3656
30K → 20M53269-216#3656#3872
20M → 21M51201-150#3872#4022
21M → 35K4175-34#4022#4056
35K → 23M14567-553#4056#4609
23M → 24M26216-190#4609#4799
24M → 40K13471-458#4799#5257
40K → 25.2M12136-124#5257#5381
25.2M → Finish35213-178#5381#5559
TOTALS6414950-4309
📊

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