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BOSTON MARATHON 2024

Hyunjin Seo

Bib: 20837•F

CA

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

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
8:37/mi
26:47
↑ 97↓ 3451.5%
10K· 6.21 mi
8:46/mi
54:02
↑ 79↓ 1380.4%
15K· 9.32 mi
8:59/mi
1:21:56
↑ 67↓ 78
20K· 12.43 mi
9:38/mi
1:51:51
↑ 106↓ 860.1%
Half· 13.11 mi
9:27/mi
1:58:18
↑ 19↓ 370.5%
25K· 15.53 mi
10:24/mi
2:23:32
↑ 66↓ 880.2%
30K· 18.64 mi
11:19/mi
2:58:42
↑ 181↓ 1480.2%
20M
10:45/mi
3:13:18
↑ 64↓ 500.2%
21M
12:29/mi
3:25:47
↑ 106↓ 241.6%
35K· 21.75 mi
10:35/mi
3:33:42
↑ 17↓ 861.7%
23M
11:30/mi
3:48:06
↑ 23↓ 630.6%
24M
10:42/mi
3:58:48
↓ 821.3%
40K· 24.85 mi
11:03/mi
4:08:15
↓ 200.3%
25.2M
13:17/mi
4:12:50
↑ 13↓ 160.2%
Finish· 26.22 mi
10:04/mi
4:23:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:18
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:24:48
Pace11:03 /mi
📊Positive Split: 22.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:3726:478:3726:47
8:37
-
10K
6.21 mi11:53:5254:028:4227:15
8:46
+0:09
15K
9.32 mi12:21:461:21:568:4727:54
8:59
+0:13
20K
12.43 mi12:51:411:51:519:0029:55
9:38
+0:39
Half
13.11 mi12:58:081:58:189:016:27
9:27
-0:11
25K
15.53 mi13:23:222:23:329:1425:14
10:24
+0:57
30K
18.64 mi13:58:322:58:429:3535:10
11:19
+0:55
20M
20.00 mi14:13:083:13:189:4014:36
10:45
-0:34
21M
21.00 mi14:25:373:25:479:4812:29
12:29
+1:44
35K
21.75 mi14:33:323:33:429:507:55
10:35
-1:54
23M
23.00 mi14:47:563:48:069:5514:24
11:30
+0:55
24M
24.00 mi14:58:383:58:489:5710:42
10:42
-0:48
40K
24.85 mi15:08:054:08:159:599:27
11:03
+0:21
25.2M
25.20 mi15:12:404:12:5010:024:35
13:17
+2:14
Finish
26.22 mi15:22:564:23:0610:0310:16
10:04
-3:13

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

8:37 /mi

Average Pace

10:03 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:18

45% of race

Time at Steady Pace

1:18:10

30% of race

Time at Slower Pace

1:06:38

25% of race

Average Pace: 10:02 /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 mi11:26:3726:478:3726:47
8:37
#18444
10K
6.21 mi11:53:5254:028:4227:15
8:46
#18572
15K
9.32 mi12:21:461:21:568:4727:54
8:59
#18662
20K
12.43 mi12:51:411:51:519:0029:55
9:38
#18968
Half
13.11 mi12:58:081:58:189:016:27
9:27
#19006
25K
15.53 mi13:23:222:23:329:1425:14
10:24
#19313
30K
18.64 mi13:58:322:58:429:3535:10
11:19
#19628
20M
20.00 mi14:13:083:13:189:4014:36
10:45
#19535
21M
21.00 mi14:25:373:25:479:4812:29
12:29
#19545
35K
21.75 mi14:33:323:33:429:507:55
10:35
#19497
23M
23.00 mi14:47:563:48:069:5514:24
11:30
#19490
24M
24.00 mi14:58:383:58:489:5710:42
10:42
#19415
40K
24.85 mi15:08:054:08:159:599:27
11:03
#19358
25.2M
25.20 mi15:12:404:12:5010:024:35
13:17
#19373
Finish
26.22 mi15:22:564:23:0610:0310:16
10:04
#19337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi184447028702818824(Top 74%)7157(Top 66%)7157(Top 603%)
10K6.21 mi3.10 mi18572-1287087-597087-5918738(Top 73%)7161(Top 66%)7161(Top 603%)
15K9.32 mi3.11 mi18662-907111-247111-2418824(Top 74%)7157(Top 66%)7157(Top 603%)
20K12.43 mi3.11 mi18968-3067275-1647275-16419587(Top 77%)7578(Top 69%)7578(Top 638%)
Half13.11 mi0.68 mi19006-387295-207295-2019943(Top 78%)7847(Top 72%)7847(Top 661%)
25K15.53 mi2.42 mi19313-3077469-1747469-17420185(Top 79%)8029(Top 73%)8029(Top 676%)
30K18.64 mi3.11 mi19628-3157705-2367705-23620668(Top 81%)8457(Top 77%)8457(Top 712%)
20M20.00 mi1.36 mi19535+937684+217684+2118662(Top 73%)7543(Top 69%)7543(Top 635%)
21M21.00 mi1.00 mi19545-107713-297713-2919836(Top 78%)8239(Top 75%)8239(Top 694%)
35K21.75 mi0.75 mi19497+487709+47709+418808(Top 74%)7738(Top 71%)7738(Top 652%)
23M23.00 mi1.25 mi19490+77730-217730-2119644(Top 77%)8219(Top 75%)8219(Top 692%)
24M24.00 mi1.00 mi19415+757710+207710+2018444(Top 72%)7676(Top 70%)7676(Top 647%)
40K24.85 mi0.85 mi19358+577690+207690+2018237(Top 71%)7614(Top 70%)7614(Top 641%)
25.2M25.20 mi0.35 mi19373-157703-137703-1320319(Top 80%)8672(Top 79%)8672(Top 731%)
Finish26.22 mi1.02 mi19337+367696+77696+718681(Top 73%)7817(Top 72%)7817(Top 659%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

18824

Females

7157

F50-54

7157

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

18738

Females

7161

F50-54

7161

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

18824

Females

7157

F50-54

7157

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

19587

Females

7578

F50-54

7578

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

19943

Females

7847

F50-54

7847

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20185

Females

8029

F50-54

8029

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

20668

Females

8457

F50-54

8457

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

18662

Females

7543

F50-54

7543

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19836

Females

8239

F50-54

8239

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

18808

Females

7738

F50-54

7738

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19644

Females

8219

F50-54

8219

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

18444

Females

7676

F50-54

7676

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18237

Females

7614

F50-54

7614

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

20319

Females

8672

F50-54

8672

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

18681

Females

7817

F50-54

7817

Passing Analysis

Category:
Athletes Passed
1490
Passed By
2383
Net Change
-893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18444
5K → 10K233361-128#18444#18572
10K → 15K189279-90#18572#18662
15K → 20K175481-306#18662#18968
20K → Half2563-38#18968#19006
Half → 25K97404-307#19006#19313
25K → 30K111426-315#19313#19628
30K → 20M13744+93#19628#19535
20M → 21M7787-10#19535#19545
21M → 35K7022+48#19545#19497
35K → 23M9083+7#19497#19490
23M → 24M10328+75#19490#19415
24M → 40K8730+57#19415#19358
40K → 25.2M1934-15#19358#19373
25.2M → Finish7741+36#19373#19337
TOTALS14902383-893
📊

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