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BOSTON MARATHON 2023

Young Soon Jung

Bib: 21194•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
9:58/mi
30:58
↑ 97↓ 3451.5%
10K· 6.21 mi
9:33/mi
1:00:39
↑ 79↓ 1380.4%
15K· 9.32 mi
9:38/mi
1:30:34
↑ 67↓ 78
20K· 12.43 mi
9:35/mi
2:00:20
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:06:58
↑ 19↓ 370.5%
25K· 15.53 mi
9:41/mi
2:30:27
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:59:21
↑ 181↓ 1480.2%
20M
9:47/mi
3:12:39
↑ 64↓ 500.2%
21M
10:43/mi
3:23:22
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:30:18
↑ 17↓ 861.7%
23M
10:15/mi
3:43:08
↑ 23↓ 630.6%
24M
9:38/mi
3:52:46
↓ 821.3%
40K· 24.85 mi
10:40/mi
4:01:53
↓ 200.3%
25.2M
12:05/mi
4:06:03
↑ 13↓ 160.2%
Finish· 26.22 mi
10:16/mi
4:16:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:58
Pace9:41 /mi
2nd Half
Distance13.11 mi
Time2:09:33
Pace9:53 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5430:589:5830:58
9:58
-
10K
6.21 mi12:18:351:00:399:4629:41
9:33
-0:25
15K
9.32 mi12:48:301:30:349:4329:55
9:38
+0:05
20K
12.43 mi13:18:162:00:209:4129:46
9:35
-0:03
Half
13.11 mi13:24:542:06:589:416:38
9:43
+0:08
25K
15.53 mi13:48:232:30:279:4123:29
9:41
-0:02
30K
18.64 mi14:17:172:59:219:3728:54
9:18
-0:23
20M
20.00 mi14:30:353:12:399:3813:18
9:47
+0:29
21M
21.00 mi14:41:183:23:229:4110:43
10:43
+0:56
35K
21.75 mi14:48:143:30:189:406:56
9:16
-1:27
23M
23.00 mi15:01:043:43:089:4212:50
10:15
+0:59
24M
24.00 mi15:10:423:52:469:429:38
9:38
-0:37
40K
24.85 mi15:19:494:01:539:449:07
10:40
+1:02
25.2M
25.20 mi15:23:594:06:039:464:10
12:05
+1:25
Finish
26.22 mi15:34:274:16:319:4710:28
10:16
-1:49

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

9:16 /mi

Average Pace

9:47 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:50

14% of race

Time at Steady Pace

2:53:23

68% of race

Time at Slower Pace

47:18

18% of race

Average Pace: 9:47 /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 mi11:48:5430:589:5830:58
9:58
#23363
10K
6.21 mi12:18:351:00:399:4629:41
9:33
#23072
15K
9.32 mi12:48:301:30:349:4329:55
9:38
#22934
20K
12.43 mi13:18:162:00:209:4129:46
9:35
#22644
Half
13.11 mi13:24:542:06:589:416:38
9:43
#22644
25K
15.53 mi13:48:232:30:279:4123:29
9:41
#22437
30K
18.64 mi14:17:172:59:219:3728:54
9:18
#21829
20M
20.00 mi14:30:353:12:399:3813:18
9:47
#21682
21M
21.00 mi14:41:183:23:229:4110:43
10:43
#21602
35K
21.75 mi14:48:143:30:189:406:56
9:16
#21507
23M
23.00 mi15:01:043:43:089:4212:50
10:15
#21447
24M
24.00 mi15:10:423:52:469:429:38
9:38
#21366
40K
24.85 mi15:19:494:01:539:449:07
10:40
#21390
25.2M
25.20 mi15:23:594:06:039:464:10
12:05
#21416
Finish
26.22 mi15:34:274:16:319:4710:28
10:16
#21470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi233639582958222604(Top 85%)9132(Top 80%)9132(Top 1733%)
10K6.21 mi3.10 mi23072+2919400+1829400+18222663(Top 85%)9176(Top 80%)9176(Top 1741%)
15K9.32 mi3.11 mi22934+1389320+809320+8022604(Top 85%)9132(Top 80%)9132(Top 1733%)
20K12.43 mi3.11 mi22644+2909158+1629158+16221800(Top 82%)8680(Top 76%)8680(Top 1647%)
Half13.11 mi0.68 mi226449160-29160-222710(Top 85%)9186(Top 80%)9186(Top 1743%)
25K15.53 mi2.42 mi22437+2079073+879073+8721420(Top 80%)8515(Top 75%)8515(Top 1616%)
30K18.64 mi3.11 mi21829+6088739+3348739+33418652(Top 70%)7007(Top 61%)7007(Top 1330%)
20M20.00 mi1.36 mi21682+1478667+728667+7219830(Top 74%)7768(Top 68%)7768(Top 1474%)
21M21.00 mi1.00 mi21602+808632+358632+3520194(Top 76%)8031(Top 70%)8031(Top 1524%)
35K21.75 mi0.75 mi21507+958592+408592+4019066(Top 72%)7436(Top 65%)7436(Top 1411%)
23M23.00 mi1.25 mi21447+608573+198573+1920726(Top 78%)8362(Top 73%)8362(Top 1587%)
24M24.00 mi1.00 mi21366+818542+318542+3119706(Top 74%)7815(Top 68%)7815(Top 1483%)
40K24.85 mi0.85 mi21390-248563-218563-2121634(Top 81%)8957(Top 78%)8957(Top 1700%)
25.2M25.20 mi0.35 mi21416-268584-218584-2122659(Top 85%)9477(Top 83%)9477(Top 1798%)
Finish26.22 mi1.02 mi21470-548621-378621-3722473(Top 84%)9368(Top 82%)9368(Top 1778%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22604

Females

9132

F60-64

9132

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22663

Females

9176

F60-64

9176

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22604

Females

9132

F60-64

9132

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21800

Females

8680

F60-64

8680

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22710

Females

9186

F60-64

9186

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21420

Females

8515

F60-64

8515

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18652

Females

7007

F60-64

7007

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19830

Females

7768

F60-64

7768

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20194

Females

8031

F60-64

8031

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

19066

Females

7436

F60-64

7436

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20726

Females

8362

F60-64

8362

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19706

Females

7815

F60-64

7815

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21634

Females

8957

F60-64

8957

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22659

Females

9477

F60-64

9477

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22473

Females

9368

F60-64

9368

Passing Analysis

Category:
Athletes Passed
2386
Passed By
493
Net Change
+1893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23363
5K → 10K394103+291#23363#23072
10K → 15K22587+138#23072#22934
15K → 20K31828+290#22934#22644
20K → Half17170#22644#22644
Half → 25K21912+207#22644#22437
25K → 30K6080+608#22437#21829
30K → 20M1558+147#21829#21682
20M → 21M9919+80#21682#21602
21M → 35K972+95#21602#21507
35K → 23M8525+60#21507#21447
23M → 24M9413+81#21447#21366
24M → 40K3761-24#21366#21390
40K → 25.2M1440-26#21390#21416
25.2M → Finish2478-54#21416#21470
TOTALS2386493+1893
📊

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