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BOSTON MARATHON 2024

Young Joon Choi

Bib: 11439•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 43%
Division (M60-64)
#0 / 1173
Top 14%
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
7:29/mi
23:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:09:50
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:34:42
↑ 106↓ 860.1%
Half· 13.11 mi
9:58/mi
1:41:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
2:00:26
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:26:03
↑ 181↓ 1480.2%
20M
8:33/mi
2:37:40
↑ 64↓ 500.2%
21M
8:59/mi
2:46:39
↑ 106↓ 241.6%
35K· 21.75 mi
8:21/mi
2:52:54
↑ 17↓ 861.7%
23M
9:26/mi
3:04:43
↑ 23↓ 630.6%
24M
10:07/mi
3:14:50
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:22:31
↓ 200.3%
25.2M
9:43/mi
3:25:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
3:34:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:30
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:52:48
Pace8:36 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3623:147:2923:14
7:29
-
10K
6.21 mi11:13:5046:287:2923:14
7:29
0:00
15K
9.32 mi11:37:121:09:507:3023:22
7:31
+0:02
20K
12.43 mi12:02:041:34:427:3724:52
8:00
+0:29
Half
13.11 mi12:08:521:41:307:456:48
9:58
+1:58
25K
15.53 mi12:27:482:00:267:4518:56
7:49
-2:09
30K
18.64 mi12:53:252:26:037:5025:37
8:15
+0:26
20M
20.00 mi13:05:022:37:407:5311:37
8:33
+0:18
21M
21.00 mi13:14:012:46:397:568:59
8:59
+0:26
35K
21.75 mi13:20:162:52:547:576:15
8:21
-0:38
23M
23.00 mi13:32:053:04:438:0211:49
9:26
+1:05
24M
24.00 mi13:42:123:14:508:0710:07
10:07
+0:41
40K
24.85 mi13:49:533:22:318:097:41
8:59
-1:08
25.2M
25.20 mi13:53:143:25:528:103:21
9:43
+0:44
Finish
26.22 mi14:01:403:34:188:118:26
8:17
-1:26

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

7:29 /mi

Average Pace

8:11 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:46

41% of race

Time at Steady Pace

1:16:47

36% of race

Time at Slower Pace

48:45

23% of race

Average Pace: 8:10 /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 mi10:50:3623:147:2923:14
7:29
#10556
10K
6.21 mi11:13:5046:287:2923:14
7:29
#10281
15K
9.32 mi11:37:121:09:507:3023:22
7:31
#10104
20K
12.43 mi12:02:041:34:427:3724:52
8:00
#10542
Half
13.11 mi12:08:521:41:307:456:48
9:58
#11429
25K
15.53 mi12:27:482:00:267:4518:56
7:49
#10958
30K
18.64 mi12:53:252:26:037:5025:37
8:15
#10502
20M
20.00 mi13:05:022:37:407:5311:37
8:33
#10382
21M
21.00 mi13:14:012:46:397:568:59
8:59
#10188
35K
21.75 mi13:20:162:52:547:576:15
8:21
#10157
23M
23.00 mi13:32:053:04:438:0211:49
9:26
#10308
24M
24.00 mi13:42:123:14:508:0710:07
10:07
#10698
40K
24.85 mi13:49:533:22:318:097:41
8:59
#10671
25.2M
25.20 mi13:53:143:25:528:103:21
9:43
#10639
Finish
26.22 mi14:01:403:34:188:118:26
8:17
#10601
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi10556821482149843(Top 39%)7720(Top 53%)7720(Top 658%)
10K6.21 mi3.10 mi10281+2758061+1538061+15310091(Top 39%)7924(Top 54%)7924(Top 676%)
15K9.32 mi3.11 mi10104+1777938+1237938+1239843(Top 39%)7720(Top 53%)7720(Top 658%)
20K12.43 mi3.11 mi10542-4388096-1588096-15811838(Top 46%)8575(Top 59%)8575(Top 731%)
Half13.11 mi0.68 mi11429-8878495-3998495-39921366(Top 84%)12711(Top 87%)12711(Top 1084%)
25K15.53 mi2.42 mi10958+4718230+2658230+2658968(Top 35%)6960(Top 48%)6960(Top 593%)
30K18.64 mi3.11 mi10502+4567908+3227908+3229260(Top 36%)6895(Top 47%)6895(Top 588%)
20M20.00 mi1.36 mi10382+1207793+1157793+1159696(Top 38%)6880(Top 47%)6880(Top 587%)
21M21.00 mi1.00 mi10188+1947641+1527641+1528508(Top 33%)6051(Top 42%)6051(Top 516%)
35K21.75 mi0.75 mi10157+317589+527589+529873(Top 39%)6691(Top 46%)6691(Top 570%)
23M23.00 mi1.25 mi10308-1517604-157604-1513223(Top 52%)8171(Top 56%)8171(Top 697%)
24M24.00 mi1.00 mi10698-3907750-1467750-14616677(Top 65%)9860(Top 68%)9860(Top 841%)
40K24.85 mi0.85 mi10671+277680+707680+7010794(Top 42%)6799(Top 47%)6799(Top 580%)
25.2M25.20 mi0.35 mi10639+327643+377643+379650(Top 38%)6170(Top 42%)6170(Top 526%)
Finish26.22 mi1.02 mi10601+387587+567587+5610171(Top 40%)6561(Top 45%)6561(Top 559%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

9843

Males

7720

M60-64

7720

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10091

Males

7924

M60-64

7924

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

9843

Males

7720

M60-64

7720

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11838

Males

8575

M60-64

8575

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

21366

Males

12711

M60-64

12711

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

8968

Males

6960

M60-64

6960

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9260

Males

6895

M60-64

6895

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

9696

Males

6880

M60-64

6880

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8508

Males

6051

M60-64

6051

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

9873

Males

6691

M60-64

6691

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13223

Males

8171

M60-64

8171

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

16677

Males

9860

M60-64

9860

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10794

Males

6799

M60-64

6799

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

9650

Males

6170

M60-64

6170

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10171

Males

6561

M60-64

6561

Passing Analysis

Category:
Athletes Passed
2750*
Passed By
2795
Net Change
-45
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10556
5K → 10K420*145+275#10556#10281
10K → 15K295*118+177#10281#10104
15K → 20K106544-438#10104#10542
20K → Half1888-887#10542#11429
Half → 25K48413+471#11429#10958
25K → 30K53377+456#10958#10502
30K → 20M19676+120#10502#10382
20M → 21M23339+194#10382#10188
21M → 35K8857+31#10188#10157
35K → 23M92243-151#10157#10308
23M → 24M37427-390#10308#10698
24M → 40K108*81+27#10698#10671
40K → 25.2M5422+32#10671#10639
25.2M → Finish10365+38#10639#10601
TOTALS2750*2795-45

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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