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BOSTON MARATHON 2024

Han Cheol Choi

Bib: 21788•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Top 44%
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
8:53/mi
27:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
55:15
↑ 79↓ 1380.4%
15K· 9.32 mi
8:54/mi
1:22:53
↑ 67↓ 78
20K· 12.43 mi
9:37/mi
1:52:45
↑ 106↓ 860.1%
Half· 13.11 mi
9:10/mi
1:59:00
↑ 19↓ 370.5%
25K· 15.53 mi
9:54/mi
2:23:00
↑ 66↓ 880.2%
30K· 18.64 mi
10:42/mi
2:56:16
↑ 181↓ 1480.2%
20M
10:16/mi
3:10:13
↑ 64↓ 500.2%
21M
11:28/mi
3:21:41
↑ 106↓ 241.6%
35K· 21.75 mi
9:35/mi
3:28:51
↑ 17↓ 861.7%
23M
10:43/mi
3:42:16
↑ 23↓ 630.6%
24M
9:53/mi
3:52:09
↓ 821.3%
40K· 24.85 mi
10:20/mi
4:00:59
↓ 200.3%
25.2M
12:25/mi
4:05:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:43/mi
4:15:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:00
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:16:10
Pace10:23 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0027:368:5327:36
8:53
-
10K
6.21 mi11:52:3955:158:5327:39
8:54
+0:01
15K
9.32 mi12:20:171:22:538:5427:38
8:54
0:00
20K
12.43 mi12:50:091:52:459:0429:52
9:37
+0:43
Half
13.11 mi12:56:241:59:009:056:15
9:10
-0:27
25K
15.53 mi13:20:242:23:009:1224:00
9:54
+0:44
30K
18.64 mi13:53:402:56:169:2733:16
10:42
+0:48
20M
20.00 mi14:07:373:10:139:3113:57
10:16
-0:26
21M
21.00 mi14:19:053:21:419:3611:28
11:28
+1:12
35K
21.75 mi14:26:153:28:519:367:10
9:35
-1:53
23M
23.00 mi14:39:403:42:169:4013:25
10:43
+1:08
24M
24.00 mi14:49:333:52:099:409:53
9:53
-0:50
40K
24.85 mi14:58:234:00:599:428:50
10:20
+0:27
25.2M
25.20 mi15:02:404:05:169:444:17
12:25
+2:05
Finish
26.22 mi15:12:344:15:109:449:54
9:43
-2:42

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

8:53 /mi

Average Pace

9:44 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:08

35% of race

Time at Steady Pace

1:43:36

41% of race

Time at Slower Pace

1:02:26

24% of race

Average Pace: 9:44 /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 mi11:25:0027:368:5327:36
8:53
#19625
10K
6.21 mi11:52:3955:158:5327:39
8:54
#19450
15K
9.32 mi12:20:171:22:538:5427:38
8:54
#19096
20K
12.43 mi12:50:091:52:459:0429:52
9:37
#19266
Half
13.11 mi12:56:241:59:009:056:15
9:10
#19252
25K
15.53 mi13:20:242:23:009:1224:00
9:54
#19183
30K
18.64 mi13:53:402:56:169:2733:16
10:42
#19217
20M
20.00 mi14:07:373:10:139:3113:57
10:16
#19045
21M
21.00 mi14:19:053:21:419:3611:28
11:28
#18946
35K
21.75 mi14:26:153:28:519:367:10
9:35
#18818
23M
23.00 mi14:39:403:42:169:4013:25
10:43
#18693
24M
24.00 mi14:49:333:52:099:409:53
9:53
#18571
40K
24.85 mi14:58:234:00:599:428:50
10:20
#18466
25.2M
25.20 mi15:02:404:05:169:444:17
12:25
#18460
Finish
26.22 mi15:12:344:15:109:449:54
9:43
#18387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi19625118911189118406(Top 72%)11438(Top 78%)11438(Top 1854%)
10K6.21 mi3.10 mi19450+17511847+4411847+4419334(Top 76%)11827(Top 81%)11827(Top 1917%)
15K9.32 mi3.11 mi19096+35411700+14711700+14718406(Top 72%)11438(Top 78%)11438(Top 1854%)
20K12.43 mi3.11 mi19266-17011779-7911779-7919537(Top 76%)11932(Top 82%)11932(Top 1934%)
Half13.11 mi0.68 mi19252+1411770+911770+918903(Top 74%)11580(Top 79%)11580(Top 1877%)
25K15.53 mi2.42 mi19183+6911740+3011740+3018839(Top 74%)11503(Top 79%)11503(Top 1864%)
30K18.64 mi3.11 mi19217-3411687+5311687+5319282(Top 75%)11515(Top 79%)11515(Top 1866%)
20M20.00 mi1.36 mi19045+17211573+11411573+11417313(Top 68%)10399(Top 71%)10399(Top 1685%)
21M21.00 mi1.00 mi18946+9911503+7011503+7017566(Top 69%)10412(Top 71%)10412(Top 1688%)
35K21.75 mi0.75 mi18818+12811432+7111432+7115766(Top 62%)9513(Top 65%)9513(Top 1542%)
23M23.00 mi1.25 mi18693+12511354+7811354+7817606(Top 69%)10351(Top 71%)10351(Top 1678%)
24M24.00 mi1.00 mi18571+12211274+8011274+8015912(Top 62%)9478(Top 65%)9478(Top 1536%)
40K24.85 mi0.85 mi18466+10511212+6211212+6216144(Top 63%)9542(Top 65%)9542(Top 1547%)
25.2M25.20 mi0.35 mi18460+611197+1511197+1518307(Top 72%)10588(Top 73%)10588(Top 1716%)
Finish26.22 mi1.02 mi18387+7311133+6411133+6417401(Top 68%)10153(Top 70%)10153(Top 1646%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

18406

Males

11438

M65-69

11438

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

19334

Males

11827

M65-69

11827

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

18406

Males

11438

M65-69

11438

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19537

Males

11932

M65-69

11932

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

18903

Males

11580

M65-69

11580

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

18839

Males

11503

M65-69

11503

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

19282

Males

11515

M65-69

11515

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

17313

Males

10399

M65-69

10399

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

17566

Males

10412

M65-69

10412

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

15766

Males

9513

M65-69

9513

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

17606

Males

10351

M65-69

10351

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

15912

Males

9478

M65-69

9478

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16144

Males

9542

M65-69

9542

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

18307

Males

10588

M65-69

10588

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

17401

Males

10153

M65-69

10153

Passing Analysis

Category:
Athletes Passed
2457
Passed By
1219
Net Change
+1238
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19625
5K → 10K340165+175#19625#19450
10K → 15K42975+354#19450#19096
15K → 20K197367-170#19096#19266
20K → Half4329+14#19266#19252
Half → 25K226157+69#19252#19183
25K → 30K209243-34#19183#19217
30K → 20M19422+172#19217#19045
20M → 21M13637+99#19045#18946
21M → 35K1335+128#18946#18818
35K → 23M16641+125#18818#18693
23M → 24M13210+122#18693#18571
24M → 40K11712+105#18571#18466
40K → 25.2M3428+6#18466#18460
25.2M → Finish10128+73#18460#18387
TOTALS24571219+1238
📊

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