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BOSTON MARATHON 2025

Yanggi Park

Bib: 15885•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken 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
10:30/mi
32:37
↑ 97↓ 3451.5%
10K· 6.21 mi
11:00/mi
1:06:47
↑ 79↓ 1380.4%
15K· 9.32 mi
10:55/mi
1:40:41
↑ 67↓ 78
20K· 12.43 mi
10:49/mi
2:14:18
↑ 106↓ 860.1%
Half· 13.11 mi
10:32/mi
2:21:29
↑ 19↓ 370.5%
25K· 15.53 mi
10:48/mi
2:47:40
↑ 66↓ 880.2%
30K· 18.64 mi
11:06/mi
3:22:10
↑ 181↓ 1480.2%
20M
11:11/mi
3:37:22
↑ 64↓ 500.2%
21M
11:15/mi
3:48:37
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:56:11
↑ 17↓ 861.7%
23M
9:57/mi
4:08:39
↑ 23↓ 630.6%
24M
9:50/mi
4:18:29
↓ 821.3%
40K· 24.85 mi
9:47/mi
4:26:51
↓ 200.3%
25.2M
10:32/mi
4:30:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:06/mi
4:39:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:21:29
Pace10:48 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:18:16
Pace10:33 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1932:3710:3032:37
10:30
-
10K
6.21 mi12:24:291:06:4710:4534:10
11:00
+0:30
15K
9.32 mi12:58:231:40:4110:4833:54
10:55
-0:05
20K
12.43 mi13:32:002:14:1810:4833:37
10:49
-0:06
Half
13.11 mi13:39:112:21:2910:487:11
10:32
-0:17
25K
15.53 mi14:05:222:47:4010:4826:11
10:48
+0:16
30K
18.64 mi14:39:523:22:1010:5134:30
11:06
+0:18
20M
20.00 mi14:55:043:37:2210:5215:12
11:11
+0:05
21M
21.00 mi15:06:193:48:3710:5311:15
11:15
+0:04
35K
21.75 mi15:13:533:56:1110:527:34
10:07
-1:08
23M
23.00 mi15:26:214:08:3910:4912:28
9:57
-0:10
24M
24.00 mi15:36:114:18:2910:469:50
9:50
-0:07
40K
24.85 mi15:44:334:26:5110:448:22
9:47
-0:03
25.2M
25.20 mi15:48:114:30:2910:443:38
10:32
+0:45
Finish
26.22 mi15:57:274:39:4510:419:16
9:06
-1:26

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

9:06 /mi

Average Pace

10:41 /mi

Slowest Pace

11:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:30

17% of race

Time at Steady Pace

1:43:14

37% of race

Time at Slower Pace

2:09:01

46% of race

Average Pace: 10:40 /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 mi11:50:1932:3710:3032:37
10:30
#26742
10K
6.21 mi12:24:291:06:4710:4534:10
11:00
#26925
15K
9.32 mi12:58:231:40:4110:4833:54
10:55
#26797
20K
12.43 mi13:32:002:14:1810:4833:37
10:49
#26500
Half
13.11 mi13:39:112:21:2910:487:11
10:32
#26456
25K
15.53 mi14:05:222:47:4010:4826:11
10:48
#26185
30K
18.64 mi14:39:523:22:1010:5134:30
11:06
#25827
20M
20.00 mi14:55:043:37:2210:5215:12
11:11
#25700
21M
21.00 mi15:06:193:48:3710:5311:15
11:15
#25527
35K
21.75 mi15:13:533:56:1110:527:34
10:07
#25447
23M
23.00 mi15:26:214:08:3910:4912:28
9:57
#25238
24M
24.00 mi15:36:114:18:2910:469:50
9:50
#25114
40K
24.85 mi15:44:334:26:5110:448:22
9:47
#24991
25.2M
25.20 mi15:48:114:30:2910:443:38
10:32
#24936
Finish
26.22 mi15:57:274:39:4510:419:16
9:06
#24834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi26742154901549026556(Top 93%)15389(Top 96%)15389(Top 934%)
10K6.21 mi3.10 mi26925-18315559-6915559-6927059(Top 95%)15586(Top 97%)15586(Top 946%)
15K9.32 mi3.11 mi26797+12815496+6315496+6326556(Top 93%)15389(Top 96%)15389(Top 934%)
20K12.43 mi3.11 mi26500+29715364+13215364+13225743(Top 91%)15008(Top 93%)15008(Top 911%)
Half13.11 mi0.68 mi26456+4415348+1615348+1625827(Top 91%)15026(Top 93%)15026(Top 912%)
25K15.53 mi2.42 mi26185+27115233+11515233+11524901(Top 88%)14607(Top 91%)14607(Top 886%)
30K18.64 mi3.11 mi25827+35815029+20415029+20424196(Top 85%)14164(Top 88%)14164(Top 859%)
20M20.00 mi1.36 mi25700+12714954+7514954+7523970(Top 84%)13967(Top 87%)13967(Top 848%)
21M21.00 mi1.00 mi25527+17314871+8314871+8322035(Top 78%)12997(Top 81%)12997(Top 789%)
35K21.75 mi0.75 mi25447+8014818+5314818+5322217(Top 78%)13021(Top 81%)13021(Top 790%)
23M23.00 mi1.25 mi25238+20914713+10514713+10520343(Top 72%)12080(Top 75%)12080(Top 733%)
24M24.00 mi1.00 mi25114+12414650+6314650+6320844(Top 73%)12275(Top 76%)12275(Top 745%)
40K24.85 mi0.85 mi24991+12314579+7114579+7119769(Top 70%)11698(Top 73%)11698(Top 710%)
25.2M25.20 mi0.35 mi24936+5514550+2914550+2919135(Top 67%)11393(Top 71%)11393(Top 691%)
Finish26.22 mi1.02 mi24834+10214491+5914491+5919498(Top 69%)11591(Top 72%)11591(Top 703%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26556

Males

15389

M55-59

15389

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

27059

Males

15586

M55-59

15586

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26556

Males

15389

M55-59

15389

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25743

Males

15008

M55-59

15008

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25827

Males

15026

M55-59

15026

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24901

Males

14607

M55-59

14607

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

24196

Males

14164

M55-59

14164

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23970

Males

13967

M55-59

13967

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22035

Males

12997

M55-59

12997

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22217

Males

13021

M55-59

13021

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20343

Males

12080

M55-59

12080

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

20844

Males

12275

M55-59

12275

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19769

Males

11698

M55-59

11698

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19135

Males

11393

M55-59

11393

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

19498

Males

11591

M55-59

11591

Passing Analysis

Category:
Athletes Passed
2287
Passed By
379
Net Change
+1908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26742
5K → 10K98281-183#26742#26925
10K → 15K18759+128#26925#26797
15K → 20K31013+297#26797#26500
20K → Half462+44#26500#26456
Half → 25K2776+271#26456#26185
25K → 30K3591+358#26185#25827
30K → 20M1314+127#25827#25700
20M → 21M1752+173#25700#25527
21M → 35K811+80#25527#25447
35K → 23M2112+209#25447#25238
23M → 24M1251+124#25238#25114
24M → 40K1252+123#25114#24991
40K → 25.2M572+55#24991#24936
25.2M → Finish1053+102#24936#24834
TOTALS2287379+1908
📊

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