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BOSTON MARATHON 2024

Daehui Choe

Bib: 21311•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:35
Rank: #18097
Start → 5K
8:33/mi
26:35 split
10K· 6.21 mi
52:37
Rank: #17350 (+747)
5K → 10K
8:23/mi
26:02 split
15K· 9.32 mi
1:22:07
Rank: #18756 (-1406)
10K → 15K
9:30/mi
29:30 split
20K· 12.43 mi
1:52:21
Rank: #19151 (-395)
15K → 20K
9:44/mi
30:14 split
Half· 13.11 mi
1:58:34
Rank: #19117 (+34)
20K → Half
9:07/mi
6:13 split
25K· 15.53 mi
2:22:43
Rank: #19113 (+4)
Half → 25K
9:58/mi
24:09 split
30K· 18.64 mi
2:59:14
Rank: #19729 (-616)
25K → 30K
11:45/mi
36:31 split
20M
3:13:32
Rank: #19580 (+149)
30K → 20M
10:31/mi
14:18 split
21M
3:27:41
Rank: #19793 (-213)
20M → 21M
14:09/mi
14:09 split
35K· 21.75 mi
3:36:12
Rank: #19824 (-31)
21M → 35K
11:23/mi
8:31 split
23M
3:49:33
Rank: #19671 (+153)
35K → 23M
10:40/mi
13:21 split
24M
4:02:16
Rank: #19844 (-173)
23M → 24M
12:43/mi
12:43 split
40K· 24.85 mi
4:15:56
Rank: #20242 (-398)
24M → 40K
15:59/mi
13:40 split
25.2M
4:21:00
Rank: #20296 (-54)
40K → 25.2M
14:42/mi
5:04 split
Finish· 26.22 mi
4:31:16
Rank: #20240 (+56)
25.2M → Finish
10:04/mi
10:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:34
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:32:42
Pace11:39 /mi
📊Positive Split: 28.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4726:358:3326:35
8:33
-
10K
6.21 mi12:17:4952:378:2826:02
8:23
-0:10
15K
9.32 mi12:47:191:22:078:4929:30
9:30
+1:07
20K
12.43 mi13:17:331:52:219:0230:14
9:44
+0:14
Half
13.11 mi13:23:461:58:349:036:13
9:07
-0:37
25K
15.53 mi13:47:552:22:439:1124:09
9:58
+0:51
30K
18.64 mi14:24:262:59:149:3736:31
11:45
+1:47
20M
20.00 mi14:38:443:13:329:4114:18
10:31
-1:14
21M
21.00 mi14:52:533:27:419:5314:09
14:09
+3:38
35K
21.75 mi15:01:243:36:129:568:31
11:23
-2:46
23M
23.00 mi15:14:453:49:339:5913:21
10:40
-0:43
24M
24.00 mi15:27:284:02:1610:0612:43
12:43
+2:03
40K
24.85 mi15:41:084:15:5610:1813:40
15:59
+3:16
25.2M
25.20 mi15:46:124:21:0010:215:04
14:42
-1:17
Finish
26.22 mi15:56:284:31:1610:2110:16
10:04
-4:38

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

8:23 /mi

Average Pace

10:21 /mi

Slowest Pace

15:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:50

22% of race

Time at Steady Pace

2:10:19

48% of race

Time at Slower Pace

1:22:07

30% of race

Average Pace: 10:21 /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 mi11:51:4726:358:3326:35
8:33
#18097
10K
6.21 mi12:17:4952:378:2826:02
8:23
#17350
15K
9.32 mi12:47:191:22:078:4929:30
9:30
#18756
20K
12.43 mi13:17:331:52:219:0230:14
9:44
#19151
Half
13.11 mi13:23:461:58:349:036:13
9:07
#19117
25K
15.53 mi13:47:552:22:439:1124:09
9:58
#19113
30K
18.64 mi14:24:262:59:149:3736:31
11:45
#19729
20M
20.00 mi14:38:443:13:329:4114:18
10:31
#19580
21M
21.00 mi14:52:533:27:419:5314:09
14:09
#19793
35K
21.75 mi15:01:243:36:129:568:31
11:23
#19824
23M
23.00 mi15:14:453:49:339:5913:21
10:40
#19671
24M
24.00 mi15:27:284:02:1610:0612:43
12:43
#19844
40K
24.85 mi15:41:084:15:5610:1813:40
15:59
#20242
25.2M
25.20 mi15:46:124:21:0010:215:04
14:42
#20296
Finish
26.22 mi15:56:284:31:1610:2110:16
10:04
#20240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi180976817681720652(Top 81%)8128(Top 74%)8128(Top 685%)
10K6.21 mi3.10 mi17350+7476360+4576360+45716594(Top 65%)5888(Top 54%)5888(Top 496%)
15K9.32 mi3.11 mi18756-14067170-8107170-81020652(Top 81%)8128(Top 74%)8128(Top 685%)
20K12.43 mi3.11 mi19151-3957382-2127382-21219870(Top 78%)7736(Top 71%)7736(Top 652%)
Half13.11 mi0.68 mi19117+347361+217361+2118788(Top 74%)7222(Top 66%)7222(Top 608%)
25K15.53 mi2.42 mi19113+47368-77368-719021(Top 74%)7383(Top 68%)7383(Top 622%)
30K18.64 mi3.11 mi19729-6167751-3837751-38321514(Top 84%)8907(Top 82%)8907(Top 750%)
20M20.00 mi1.36 mi19580+1497710+417710+4118067(Top 71%)7243(Top 66%)7243(Top 610%)
21M21.00 mi1.00 mi19793-2137839-1297839-12922529(Top 88%)9554(Top 87%)9554(Top 805%)
35K21.75 mi0.75 mi19824-317871-327871-3220620(Top 81%)8644(Top 79%)8644(Top 728%)
23M23.00 mi1.25 mi19671+1537822+497822+4917499(Top 68%)7161(Top 66%)7161(Top 603%)
24M24.00 mi1.00 mi19844-1737919-977919-9722641(Top 89%)9723(Top 89%)9723(Top 819%)
40K24.85 mi0.85 mi20242-3988164-2458164-24524969(Top 98%)10752(Top 98%)10752(Top 906%)
25.2M25.20 mi0.35 mi20296-548204-408204-4022636(Top 89%)9764(Top 89%)9764(Top 823%)
Finish26.22 mi1.02 mi20240+568182+228182+2218687(Top 73%)7823(Top 72%)7823(Top 659%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

20652

Females

8128

F50-54

8128

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

16594

Females

5888

F50-54

5888

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

20652

Females

8128

F50-54

8128

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

19870

Females

7736

F50-54

7736

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

18788

Females

7222

F50-54

7222

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19021

Females

7383

F50-54

7383

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21514

Females

8907

F50-54

8907

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18067

Females

7243

F50-54

7243

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

22529

Females

9554

F50-54

9554

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

20620

Females

8644

F50-54

8644

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17499

Females

7161

F50-54

7161

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

22641

Females

9723

F50-54

9723

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

24969

Females

10752

F50-54

10752

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22636

Females

9764

F50-54

9764

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

18687

Females

7823

F50-54

7823

Passing Analysis

Category:
Athletes Passed
1853
Passed By
3996
Net Change
-2143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18097
5K → 10K80861+747#18097#17350
10K → 15K231429-1406#17350#18756
15K → 20K146541-395#18756#19151
20K → Half6026+34#19151#19117
Half → 25K189185+4#19117#19113
25K → 30K69685-616#19113#19729
30K → 20M18031+149#19729#19580
20M → 21M25238-213#19580#19793
21M → 35K4374-31#19793#19824
35K → 23M17421+153#19824#19671
23M → 24M32205-173#19671#19844
24M → 40K7405-398#19844#20242
40K → 25.2M1367-54#20242#20296
25.2M → Finish8428+56#20296#20240
TOTALS18533996-2143
📊

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