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BOSTON MARATHON 2025

Jang Yu Chyu

Bib: 22653•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:18
Rank: #19674
Start → 5K
26:18 | 8:28/mi
10K· 6.21 mi
53:18
Rank: #20285 (-611)
5K → 10K
27:00 | 8:41/mi
15K· 9.32 mi
1:20:01
Rank: #20153 (+132)
10K → 15K
26:43 | 8:36/mi
20K· 12.43 mi
1:48:18
Rank: #20496 (-343)
15K → 20K
28:17 | 9:06/mi
Half· 13.11 mi
2:04:27
Rank: #23720 (-3224)
20K → Half
16:09 | 23:40/mi
25K· 15.53 mi
2:29:00
Rank: #23673 (+47)
Half → 25K
24:33 | 10:08/mi
30K· 18.64 mi
2:57:51
Rank: #22919 (+754)
25K → 30K
28:51 | 9:17/mi
20M
3:10:36
Rank: #22649 (+270)
30K → 20M
12:45 | 9:23/mi
21M
3:20:18
Rank: #22369 (+280)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
3:26:49
Rank: #22214 (+155)
21M → 35K
6:31 | 8:43/mi
23M
3:38:26
Rank: #21944 (+270)
35K → 23M
11:37 | 9:17/mi
24M
3:47:28
Rank: #21782 (+162)
23M → 24M
9:02 | 9:02/mi
40K· 24.85 mi
3:55:26
Rank: #21646 (+136)
24M → 40K
7:58 | 9:19/mi
25.2M
3:59:00
Rank: #21587 (+59)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
4:08:18
Rank: #21510 (+77)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:04:27
Pace9:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:03:51
Pace9:27 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0126:188:2826:18
8:28
-
10K
6.21 mi11:50:0153:188:3527:00
8:41
+0:13
15K
9.32 mi12:16:441:20:018:3526:43
8:36
-0:05
20K
12.43 mi12:45:011:48:188:4328:17
9:06
+0:30
Half
13.11 mi13:01:102:04:279:3016:09
23:40
+14:34
25K
15.53 mi13:25:432:29:009:3624:33
10:08
-13:32
30K
18.64 mi13:54:342:57:519:3228:51
9:17
-0:51
20M
20.00 mi14:07:193:10:369:3212:45
9:23
+0:06
21M
21.00 mi14:17:013:20:189:329:42
9:42
+0:19
35K
21.75 mi14:23:323:26:499:316:31
8:43
-0:59
23M
23.00 mi14:35:093:38:269:3011:37
9:17
+0:34
24M
24.00 mi14:44:113:47:289:299:02
9:02
-0:15
40K
24.85 mi14:52:093:55:269:287:58
9:19
+0:17
25.2M
25.20 mi14:55:433:59:009:293:34
10:21
+1:02
Finish
26.22 mi15:05:014:08:189:299:18
9:08
-1:13

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

8:28 /mi

Average Pace

9:29 /mi

Slowest Pace

23:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:52:09

93% of race

Time at Slower Pace

16:09

7% of race

Average Pace: 9:28 /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 mi11:23:0126:188:2826:18
8:28
#19674
10K
6.21 mi11:50:0153:188:3527:00
8:41
#20285
15K
9.32 mi12:16:441:20:018:3526:43
8:36
#20153
20K
12.43 mi12:45:011:48:188:4328:17
9:06
#20496
Half
13.11 mi13:01:102:04:279:3016:09
23:40
#23720
25K
15.53 mi13:25:432:29:009:3624:33
10:08
#23673
30K
18.64 mi13:54:342:57:519:3228:51
9:17
#22919
20M
20.00 mi14:07:193:10:369:3212:45
9:23
#22649
21M
21.00 mi14:17:013:20:189:329:42
9:42
#22369
35K
21.75 mi14:23:323:26:499:316:31
8:43
#22214
23M
23.00 mi14:35:093:38:269:3011:37
9:17
#21944
24M
24.00 mi14:44:113:47:289:299:02
9:02
#21782
40K
24.85 mi14:52:093:55:269:287:58
9:19
#21646
25.2M
25.20 mi14:55:433:59:009:293:34
10:21
#21587
Finish
26.22 mi15:05:014:08:189:299:18
9:08
#21510
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19674123121231219916(Top 70%)12464(Top 77%)12464(Top 990%)
10K6.21 mi3.10 mi20285-61112587-27512587-27520818(Top 73%)12833(Top 80%)12833(Top 1019%)
15K9.32 mi3.11 mi20153+13212536+5112536+5119916(Top 70%)12464(Top 77%)12464(Top 990%)
20K12.43 mi3.11 mi20496-34312683-14712683-14721451(Top 76%)13105(Top 81%)13105(Top 1041%)
Half13.11 mi0.68 mi23720-322414125-144214125-144228402(Top 100%)16104(Top 100%)16104(Top 1279%)
25K15.53 mi2.42 mi23673+4714098+2714098+2723551(Top 83%)13981(Top 87%)13981(Top 1110%)
30K18.64 mi3.11 mi22919+75413719+37913719+37919049(Top 67%)11858(Top 74%)11858(Top 942%)
20M20.00 mi1.36 mi22649+27013574+14513574+14518673(Top 66%)11539(Top 72%)11539(Top 917%)
21M21.00 mi1.00 mi22369+28013437+13713437+13717029(Top 60%)10719(Top 67%)10719(Top 851%)
35K21.75 mi0.75 mi22214+15513354+8313354+8316758(Top 59%)10532(Top 65%)10532(Top 837%)
23M23.00 mi1.25 mi21944+27013201+15313201+15317683(Top 62%)10812(Top 67%)10812(Top 859%)
24M24.00 mi1.00 mi21782+16213105+9613105+9617539(Top 62%)10721(Top 67%)10721(Top 852%)
40K24.85 mi0.85 mi21646+13613025+8013025+8017932(Top 63%)10799(Top 67%)10799(Top 858%)
25.2M25.20 mi0.35 mi21587+5912996+2912996+2918445(Top 65%)11053(Top 69%)11053(Top 878%)
Finish26.22 mi1.02 mi21510+7712951+4512951+4519618(Top 69%)11643(Top 72%)11643(Top 925%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19916

Males

12464

M60-64

12464

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20818

Males

12833

M60-64

12833

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19916

Males

12464

M60-64

12464

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21451

Males

13105

M60-64

13105

20K→Half

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

28402

Males

16104

M60-64

16104

Half→25K

13.1 - 15.5 mi

Top 83%
×4stories
+66ft-88ft

Overall

23551

Males

13981

M60-64

13981

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19049

Males

11858

M60-64

11858

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18673

Males

11539

M60-64

11539

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17029

Males

10719

M60-64

10719

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16758

Males

10532

M60-64

10532

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17683

Males

10812

M60-64

10812

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17539

Males

10721

M60-64

10721

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17932

Males

10799

M60-64

10799

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18445

Males

11053

M60-64

11053

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19618

Males

11643

M60-64

11643

Passing Analysis

Category:
Athletes Passed
2769
Passed By
4605
Net Change
-1836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19674
5K → 10K82693-611#19674#20285
10K → 15K248116+132#20285#20153
15K → 20K102445-343#20153#20496
20K → Half03224-3224#20496#23720
Half → 25K13992+47#23720#23673
25K → 30K7562+754#23673#22919
30K → 20M2722+270#22919#22649
20M → 21M2800+280#22649#22369
21M → 35K1572+155#22369#22214
35K → 23M2711+270#22214#21944
23M → 24M1653+162#21944#21782
24M → 40K1437+136#21782#21646
40K → 25.2M601+59#21646#21587
25.2M → Finish9417+77#21587#21510
TOTALS27694605-1836
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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