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BOSTON MARATHON 2024

Youngsu Jun

Bib: 11812•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 39%
Gender (Female)
#0 / 10924
Top 24%
Masters (Masters Women)
#0 / 6263
Top 13%
Division (F50-54)
#0 / 1187
Top 7%
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
7:03/mi
21:54
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
44:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:36/mi
1:08:32
↑ 67↓ 78
20K· 12.43 mi
7:58/mi
1:33:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:38:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
1:58:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:21/mi
2:24:37
↑ 181↓ 1480.2%
20M
8:41/mi
2:36:25
↑ 64↓ 500.2%
21M
9:26/mi
2:45:51
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
2:52:13
↑ 17↓ 861.7%
23M
8:34/mi
3:02:56
↑ 23↓ 630.6%
24M
8:42/mi
3:11:38
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:19:26
↓ 200.3%
25.2M
10:18/mi
3:22:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:31:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:26
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:53:17
Pace8:38 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0921:547:0321:54
7:03
-
10K
6.21 mi11:12:0944:547:1423:00
7:24
+0:21
15K
9.32 mi11:35:471:08:327:2123:38
7:36
+0:12
20K
12.43 mi12:00:331:33:187:3024:46
7:58
+0:22
Half
13.11 mi12:05:411:38:267:315:08
7:31
-0:27
25K
15.53 mi12:25:551:58:407:3820:14
8:21
+0:50
30K
18.64 mi12:51:522:24:377:4525:57
8:21
0:00
20M
20.00 mi13:03:402:36:257:4911:48
8:41
+0:20
21M
21.00 mi13:13:062:45:517:549:26
9:26
+0:45
35K
21.75 mi13:19:282:52:137:556:22
8:31
-0:55
23M
23.00 mi13:30:113:02:567:5710:43
8:34
+0:03
24M
24.00 mi13:38:533:11:387:598:42
8:42
+0:08
40K
24.85 mi13:46:413:19:268:017:48
9:07
+0:25
25.2M
25.20 mi13:50:143:22:598:033:33
10:18
+1:11
Finish
26.22 mi13:58:583:31:438:058:44
8:34
-1:44

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

7:03 /mi

Average Pace

8:05 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:26

46% of race

Time at Steady Pace

1:32:30

44% of race

Time at Slower Pace

20:47

10% of race

Average Pace: 8:04 /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 mi10:49:0921:547:0321:54
7:03
#7356
10K
6.21 mi11:12:0944:547:1423:00
7:24
#8341
15K
9.32 mi11:35:471:08:327:2123:38
7:36
#9009
20K
12.43 mi12:00:331:33:187:3024:46
7:58
#9681
Half
13.11 mi12:05:411:38:267:315:08
7:31
#9651
25K
15.53 mi12:25:551:58:407:3820:14
8:21
#10085
30K
18.64 mi12:51:522:24:377:4525:57
8:21
#9966
20M
20.00 mi13:03:402:36:257:4911:48
8:41
#9938
21M
21.00 mi13:13:062:45:517:549:26
9:26
#9926
35K
21.75 mi13:19:282:52:137:556:22
8:31
#9931
23M
23.00 mi13:30:113:02:567:5710:43
8:34
#9804
24M
24.00 mi13:38:533:11:387:598:42
8:42
#9812
40K
24.85 mi13:46:413:19:268:017:48
9:07
#9888
25.2M
25.20 mi13:50:143:22:598:033:33
10:18
#9902
Finish
26.22 mi13:58:583:31:438:058:44
8:34
#9978
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi735694994910483(Top 41%)2418(Top 22%)2418(Top 204%)
10K6.21 mi3.10 mi8341-9851349-4001349-4009463(Top 37%)1864(Top 17%)1864(Top 157%)
15K9.32 mi3.11 mi9009-6681642-2931642-29310483(Top 41%)2418(Top 22%)2418(Top 204%)
20K12.43 mi3.11 mi9681-6721983-3411983-34111637(Top 46%)3130(Top 29%)3130(Top 264%)
Half13.11 mi0.68 mi9651+301981+21981+29375(Top 37%)2007(Top 18%)2007(Top 169%)
25K15.53 mi2.42 mi10085-4342260-2792260-27912232(Top 48%)3631(Top 33%)3631(Top 306%)
30K18.64 mi3.11 mi9966+1192302-422302-429857(Top 39%)2638(Top 24%)2638(Top 222%)
20M20.00 mi1.36 mi9938+282339-372339-3710462(Top 41%)3186(Top 29%)3186(Top 268%)
21M21.00 mi1.00 mi9926+122398-592398-5910541(Top 41%)3494(Top 32%)3494(Top 294%)
35K21.75 mi0.75 mi9931-52434-362434-3610817(Top 42%)3646(Top 33%)3646(Top 307%)
23M23.00 mi1.25 mi9804+1272436-22436-28810(Top 34%)2776(Top 25%)2776(Top 234%)
24M24.00 mi1.00 mi9812-82484-482484-4810597(Top 41%)3722(Top 34%)3722(Top 314%)
40K24.85 mi0.85 mi9888-762554-702554-7011431(Top 45%)4254(Top 39%)4254(Top 358%)
25.2M25.20 mi0.35 mi9902-142581-272581-2712072(Top 47%)4619(Top 42%)4619(Top 389%)
Finish26.22 mi1.02 mi9978-762665-842665-8411909(Top 47%)4414(Top 40%)4414(Top 372%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

10483

Females

2418

F50-54

2418

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

9463

Females

1864

F50-54

1864

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

10483

Females

2418

F50-54

2418

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11637

Females

3130

F50-54

3130

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9375

Females

2007

F50-54

2007

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12232

Females

3631

F50-54

3631

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

9857

Females

2638

F50-54

2638

30K→20M

18.6 - 20.0 mi

Top 41%
×5story building
+64ft-50ft

Overall

10462

Females

3186

F50-54

3186

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10541

Females

3494

F50-54

3494

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

10817

Females

3646

F50-54

3646

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8810

Females

2776

F50-54

2776

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10597

Females

3722

F50-54

3722

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11431

Females

4254

F50-54

4254

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12072

Females

4619

F50-54

4619

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

11909

Females

4414

F50-54

4414

Passing Analysis

Category:
Athletes Passed
1460*
Passed By
4078
Net Change
-2622
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7356
5K → 10K311016-985#7356#8341
10K → 15K49717-668#8341#9009
15K → 20K71743-672#9009#9681
20K → Half4818+30#9681#9651
Half → 25K114546-434#9651#10085
25K → 30K330211+119#10085#9966
30K → 20M150121+28#9966#9938
20M → 21M140127+12#9938#9926
21M → 35K7277-5#9926#9931
35K → 23M19871+127#9931#9804
23M → 24M99*107-8#9804#9812
24M → 40K59135-76#9812#9888
40K → 25.2M3852-14#9888#9902
25.2M → Finish61137-76#9902#9978
TOTALS1460*4078-2622

* 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