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BOSTON MARATHON 2025

Jeounkook Yang

Bib: 22615•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
10:50/mi
33:38
↑ 97↓ 3451.5%
10K· 6.21 mi
10:45/mi
1:07:01
↑ 79↓ 1380.4%
15K· 9.32 mi
10:49/mi
1:40:38
↑ 67↓ 78
20K· 12.43 mi
12:43/mi
2:20:07
↑ 106↓ 860.1%
Half· 13.11 mi
12:19/mi
2:28:31
↑ 19↓ 370.5%
25K· 15.53 mi
11:27/mi
2:56:17
↑ 66↓ 880.2%
30K· 18.64 mi
12:54/mi
3:36:23
↑ 181↓ 1480.2%
20M
13:16/mi
3:54:25
↑ 64↓ 500.2%
21M
14:05/mi
4:08:30
↑ 106↓ 241.6%
35K· 21.75 mi
13:03/mi
4:18:16
↑ 17↓ 861.7%
23M
11:25/mi
4:32:34
↑ 23↓ 630.6%
24M
8:57/mi
4:41:31
↓ 821.3%
40K· 24.85 mi
8:45/mi
4:49:00
↓ 200.3%
25.2M
12:51/mi
4:53:26
↑ 13↓ 160.2%
Finish· 26.22 mi
10:25/mi
5:04:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:31
Pace11:20 /mi
2nd Half
Distance13.11 mi
Time2:35:32
Pace11:52 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:4433:3810:5033:38
10:50
-
10K
6.21 mi12:03:071:07:0110:4733:23
10:45
-0:05
15K
9.32 mi12:36:441:40:3810:4833:37
10:49
+0:04
20K
12.43 mi13:16:132:20:0711:1639:29
12:43
+1:54
Half
13.11 mi13:24:372:28:3111:208:24
12:19
-0:24
25K
15.53 mi13:52:232:56:1711:2127:46
11:27
-0:52
30K
18.64 mi14:32:293:36:2311:3640:06
12:54
+1:27
20M
20.00 mi14:50:313:54:2511:4318:02
13:16
+0:22
21M
21.00 mi15:04:364:08:3011:5014:05
14:05
+0:49
35K
21.75 mi15:14:224:18:1611:539:46
13:03
-1:02
23M
23.00 mi15:28:404:32:3411:5114:18
11:25
-1:38
24M
24.00 mi15:37:374:41:3111:448:57
8:57
-2:28
40K
24.85 mi15:45:064:49:0011:387:29
8:45
-0:12
25.2M
25.20 mi15:49:324:53:2611:394:26
12:51
+4:06
Finish
26.22 mi16:00:095:04:0311:3610:37
10:25
-2:26

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

8:45 /mi

Average Pace

11:36 /mi

Slowest Pace

14:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:03

9% of race

Time at Steady Pace

2:22:42

47% of race

Time at Slower Pace

2:14:18

44% of race

Average Pace: 11:36 /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 mi11:29:4433:3810:5033:38
10:50
#27324
10K
6.21 mi12:03:071:07:0110:4733:23
10:45
#26999
15K
9.32 mi12:36:441:40:3810:4833:37
10:49
#26788
20K
12.43 mi13:16:132:20:0711:1639:29
12:43
#27125
Half
13.11 mi13:24:372:28:3111:208:24
12:19
#27179
25K
15.53 mi13:52:232:56:1711:2127:46
11:27
#26960
30K
18.64 mi14:32:293:36:2311:3640:06
12:54
#26922
20M
20.00 mi14:50:313:54:2511:4318:02
13:16
#26922
21M
21.00 mi15:04:364:08:3011:5014:05
14:05
#26908
35K
21.75 mi15:14:224:18:1611:539:46
13:03
#26924
23M
23.00 mi15:28:404:32:3411:5114:18
11:25
#26807
24M
24.00 mi15:37:374:41:3111:448:57
8:57
#26604
40K
24.85 mi15:45:064:49:0011:387:29
8:45
#26401
25.2M
25.20 mi15:49:324:53:2611:394:26
12:51
#26385
Finish
26.22 mi16:00:095:04:0311:3610:37
10:25
#26337
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi27324157351573526439(Top 93%)15347(Top 95%)15347(Top 2402%)
10K6.21 mi3.10 mi26999+32515588+14715588+14726682(Top 94%)15451(Top 96%)15451(Top 2418%)
15K9.32 mi3.11 mi26788+21115493+9515493+9526439(Top 93%)15347(Top 95%)15347(Top 2402%)
20K12.43 mi3.11 mi27125-33715619-12615619-12627662(Top 97%)15796(Top 98%)15796(Top 2472%)
Half13.11 mi0.68 mi27179-5415640-2115640-2127667(Top 97%)15790(Top 98%)15790(Top 2471%)
25K15.53 mi2.42 mi26960+21915534+10615534+10625800(Top 91%)14985(Top 93%)14985(Top 2345%)
30K18.64 mi3.11 mi26922+3815505+2915505+2926584(Top 94%)15247(Top 95%)15247(Top 2386%)
20M20.00 mi1.36 mi2692215495+1015495+1026698(Top 94%)15229(Top 95%)15229(Top 2383%)
21M21.00 mi1.00 mi26908+1415482+1315482+1326315(Top 93%)15031(Top 93%)15031(Top 2352%)
35K21.75 mi0.75 mi26924-1615490-815490-827014(Top 95%)15347(Top 95%)15347(Top 2402%)
23M23.00 mi1.25 mi26807+11715421+6915421+6924111(Top 85%)13895(Top 86%)13895(Top 2174%)
24M24.00 mi1.00 mi26604+20315319+10215319+10217115(Top 60%)10523(Top 65%)10523(Top 1647%)
40K24.85 mi0.85 mi26401+20315232+8715232+8714921(Top 53%)9418(Top 58%)9418(Top 1474%)
25.2M25.20 mi0.35 mi26385+1615219+1315219+1324837(Top 87%)14186(Top 88%)14186(Top 2220%)
Finish26.22 mi1.02 mi26337+4815187+3215187+3224096(Top 85%)13818(Top 86%)13818(Top 2162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26439

Males

15347

M65-69

15347

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26682

Males

15451

M65-69

15451

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26439

Males

15347

M65-69

15347

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

27662

Males

15796

M65-69

15796

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

27667

Males

15790

M65-69

15790

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25800

Males

14985

M65-69

14985

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26584

Males

15247

M65-69

15247

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

26698

Males

15229

M65-69

15229

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26315

Males

15031

M65-69

15031

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

27014

Males

15347

M65-69

15347

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24111

Males

13895

M65-69

13895

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17115

Males

10523

M65-69

10523

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14921

Males

9418

M65-69

9418

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24837

Males

14186

M65-69

14186

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24096

Males

13818

M65-69

13818

Passing Analysis

Category:
Athletes Passed
1647
Passed By
660
Net Change
+987
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27324
5K → 10K36136+325#27324#26999
10K → 15K24029+211#26999#26788
15K → 20K30367-337#26788#27125
20K → Half458-54#27125#27179
Half → 25K2267+219#27179#26960
25K → 30K10567+38#26960#26922
30K → 20M34340#26922#26922
20M → 21M3420+14#26922#26908
21M → 35K1632-16#26908#26924
35K → 23M1170+117#26924#26807
23M → 24M2030+203#26807#26604
24M → 40K2030+203#26604#26401
40K → 25.2M215+16#26401#26385
25.2M → Finish535+48#26385#26337
TOTALS1647660+987
📊

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