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BOSTON MARATHON 2023

Yun Sik Je

Bib: 24351•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
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
11:10/mi
34:41
↑ 97↓ 3451.5%
10K· 6.21 mi
11:23/mi
1:10:03
↑ 79↓ 1380.4%
15K· 9.32 mi
11:57/mi
1:47:11
↑ 67↓ 78
20K· 12.43 mi
11:49/mi
2:23:54
↑ 106↓ 860.1%
Half· 13.11 mi
11:24/mi
2:31:41
↑ 19↓ 370.5%
25K· 15.53 mi
12:02/mi
3:00:52
↑ 66↓ 880.2%
30K· 18.64 mi
12:56/mi
3:41:03
↑ 181↓ 1480.2%
20M
12:25/mi
3:57:56
↑ 64↓ 500.2%
21M
13:51/mi
4:11:47
↑ 106↓ 241.6%
35K· 21.75 mi
10:47/mi
4:19:51
↑ 17↓ 861.7%
23M
11:49/mi
4:34:39
↑ 23↓ 630.6%
24M
10:53/mi
4:45:32
↓ 821.3%
40K· 24.85 mi
11:46/mi
4:55:36
↓ 200.3%
25.2M
12:08/mi
4:59:47
↑ 13↓ 160.2%
Finish· 26.22 mi
10:53/mi
5:10:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:31:41
Pace11:34 /mi
2nd Half
Distance13.11 mi
Time2:39:11
Pace12:09 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:4334:4111:1034:41
11:10
-
10K
6.21 mi12:33:051:10:0311:1635:22
11:23
+0:13
15K
9.32 mi13:10:131:47:1111:3037:08
11:57
+0:34
20K
12.43 mi13:46:562:23:5411:3536:43
11:49
-0:08
Half
13.11 mi13:54:432:31:4111:347:47
11:24
-0:25
25K
15.53 mi14:23:543:00:5211:3929:11
12:02
+0:38
30K
18.64 mi15:04:053:41:0311:5140:11
12:56
+0:54
20M
20.00 mi15:20:583:57:5611:5416:53
12:25
-0:31
21M
21.00 mi15:34:494:11:4711:5913:51
13:51
+1:26
35K
21.75 mi15:42:534:19:5111:578:04
10:47
-3:04
23M
23.00 mi15:57:414:34:3911:5614:48
11:49
+1:02
24M
24.00 mi16:08:344:45:3211:5410:53
10:53
-0:56
40K
24.85 mi16:18:384:55:3611:5410:04
11:46
+0:53
25.2M
25.20 mi16:22:494:59:4711:544:11
12:08
+0:22
Finish
26.22 mi16:33:545:10:5211:5211:05
10:53
-1:15

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

10:47 /mi

Average Pace

11:52 /mi

Slowest Pace

13:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:52

35% of race

Time at Steady Pace

2:12:05

42% of race

Time at Slower Pace

1:10:55

23% of race

Average Pace: 11:51 /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 mi11:57:4334:4111:1034:41
11:10
#25896
10K
6.21 mi12:33:051:10:0311:1635:22
11:23
#25888
15K
9.32 mi13:10:131:47:1111:3037:08
11:57
#25975
20K
12.43 mi13:46:562:23:5411:3536:43
11:49
#25861
Half
13.11 mi13:54:432:31:4111:347:47
11:24
#25845
25K
15.53 mi14:23:543:00:5211:3929:11
12:02
#25741
30K
18.64 mi15:04:053:41:0311:5140:11
12:56
#25685
20M
20.00 mi15:20:583:57:5611:5416:53
12:25
#25625
21M
21.00 mi15:34:494:11:4711:5913:51
13:51
#25597
35K
21.75 mi15:42:534:19:5111:578:04
10:47
#25532
23M
23.00 mi15:57:414:34:3911:5614:48
11:49
#25458
24M
24.00 mi16:08:344:45:3211:5410:53
10:53
#25387
40K
24.85 mi16:18:384:55:3611:5410:04
11:46
#25335
25.2M
25.20 mi16:22:494:59:4711:544:11
12:08
#25313
Finish
26.22 mi16:33:545:10:5211:5211:05
10:53
#25266
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi25896148851488526022(Top 98%)14949(Top 99%)14949(Top 7018%)
10K6.21 mi3.10 mi25888+814893-814893-825865(Top 97%)14887(Top 98%)14887(Top 6989%)
15K9.32 mi3.11 mi25975-8714926-3314926-3326022(Top 98%)14949(Top 99%)14949(Top 7018%)
20K12.43 mi3.11 mi25861+11414883+4314883+4325537(Top 96%)14724(Top 97%)14724(Top 6913%)
Half13.11 mi0.68 mi25845+1614875+814875+825386(Top 95%)14643(Top 96%)14643(Top 6875%)
25K15.53 mi2.42 mi25741+10414821+5414821+5425188(Top 95%)14544(Top 96%)14544(Top 6828%)
30K18.64 mi3.11 mi25685+5614785+3614785+3625358(Top 95%)14570(Top 96%)14570(Top 6840%)
20M20.00 mi1.36 mi25625+6014756+2914756+2924657(Top 93%)14216(Top 94%)14216(Top 6674%)
21M21.00 mi1.00 mi25597+2814744+1214744+1224908(Top 94%)14328(Top 94%)14328(Top 6727%)
35K21.75 mi0.75 mi25532+6514708+3614708+3622893(Top 86%)13336(Top 88%)13336(Top 6261%)
23M23.00 mi1.25 mi25458+7414667+4114667+4123752(Top 89%)13751(Top 91%)13751(Top 6456%)
24M24.00 mi1.00 mi25387+7114633+3414633+3422812(Top 86%)13264(Top 87%)13264(Top 6227%)
40K24.85 mi0.85 mi25335+5214603+3014603+3023605(Top 89%)13589(Top 90%)13589(Top 6380%)
25.2M25.20 mi0.35 mi25313+2214591+1214591+1222730(Top 85%)13201(Top 87%)13201(Top 6198%)
Finish26.22 mi1.02 mi25266+4714563+2814563+2823744(Top 89%)13699(Top 90%)13699(Top 6431%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26022

Males

14949

M70-74

14949

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25865

Males

14887

M70-74

14887

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26022

Males

14949

M70-74

14949

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25537

Males

14724

M70-74

14724

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

25386

Males

14643

M70-74

14643

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25188

Males

14544

M70-74

14544

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25358

Males

14570

M70-74

14570

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24657

Males

14216

M70-74

14216

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

24908

Males

14328

M70-74

14328

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22893

Males

13336

M70-74

13336

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23752

Males

13751

M70-74

13751

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

22812

Males

13264

M70-74

13264

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23605

Males

13589

M70-74

13589

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22730

Males

13201

M70-74

13201

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23744

Males

13699

M70-74

13699

Passing Analysis

Category:
Athletes Passed
958
Passed By
328
Net Change
+630
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25896
5K → 10K120112+8#25896#25888
10K → 15K44131-87#25888#25975
15K → 20K13319+114#25975#25861
20K → Half193+16#25861#25845
Half → 25K1106+104#25845#25741
25K → 30K8832+56#25741#25685
30K → 20M644+60#25685#25625
20M → 21M3911+28#25625#25597
21M → 35K661+65#25597#25532
35K → 23M773+74#25532#25458
23M → 24M721+71#25458#25387
24M → 40K542+52#25387#25335
40K → 25.2M220+22#25335#25313
25.2M → Finish503+47#25313#25266
TOTALS958328+630
📊

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