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BOSTON MARATHON 2025

Yuk-Lun Kwan

Bib: 21145•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 50%
Division (M60-64)
#0 / 1259
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:02
Rank: #17044
Start → 5K
25:02 | 8:03/mi
10K· 6.21 mi
50:04
Rank: #16955 (+89)
5K → 10K
25:02 | 8:03/mi
15K· 9.32 mi
1:14:32
Rank: #16296 (+659)
10K → 15K
24:28 | 7:53/mi
20K· 12.43 mi
1:39:25
Rank: #15914 (+382)
15K → 20K
24:53 | 8:01/mi
Half· 13.11 mi
1:44:44
Rank: #15842 (+72)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:03:53
Rank: #15362 (+480)
Half → 25K
19:09 | 7:54/mi
30K· 18.64 mi
2:29:25
Rank: #14854 (+508)
25K → 30K
25:32 | 8:13/mi
20M
2:40:41
Rank: #14622 (+232)
30K → 20M
11:16 | 8:17/mi
21M
2:49:13
Rank: #14334 (+288)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:54:57
Rank: #14142 (+192)
21M → 35K
5:44 | 7:40/mi
23M
3:04:51
Rank: #13817 (+325)
35K → 23M
9:54 | 7:54/mi
24M
3:12:35
Rank: #13586 (+231)
23M → 24M
7:44 | 7:44/mi
40K· 24.85 mi
3:19:23
Rank: #13413 (+173)
24M → 40K
6:48 | 7:57/mi
25.2M
3:22:18
Rank: #13321 (+92)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:30:08
Rank: #13252 (+69)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:44:44
Pace7:59 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:45:24
Pace8:02 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3625:028:0325:02
8:03
-
10K
6.21 mi11:43:3850:048:0325:02
8:03
0:00
15K
9.32 mi12:08:061:14:328:0024:28
7:53
-0:10
20K
12.43 mi12:32:591:39:258:0024:53
8:01
+0:08
Half
13.11 mi12:38:181:44:447:595:19
7:48
-0:13
25K
15.53 mi12:57:272:03:537:5819:09
7:54
+0:06
30K
18.64 mi13:22:592:29:258:0125:32
8:13
+0:19
20M
20.00 mi13:34:152:40:418:0211:16
8:17
+0:04
21M
21.00 mi13:42:472:49:138:038:32
8:32
+0:15
35K
21.75 mi13:48:312:54:578:035:44
7:40
-0:52
23M
23.00 mi13:58:253:04:518:029:54
7:54
+0:14
24M
24.00 mi14:06:093:12:358:017:44
7:44
-0:10
40K
24.85 mi14:12:573:19:238:016:48
7:57
+0:13
25.2M
25.20 mi14:15:523:22:188:022:55
8:27
+0:30
Finish
26.22 mi14:23:423:30:088:017:50
7:41
-0:46

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

7:40 /mi

Average Pace

8:01 /mi

Slowest Pace

8:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:41

95% of race

Time at Steady Pace

11:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:18:3625:028:0325:02
8:03
#17044
10K
6.21 mi11:43:3850:048:0325:02
8:03
#16955
15K
9.32 mi12:08:061:14:328:0024:28
7:53
#16296
20K
12.43 mi12:32:591:39:258:0024:53
8:01
#15914
Half
13.11 mi12:38:181:44:447:595:19
7:48
#15842
25K
15.53 mi12:57:272:03:537:5819:09
7:54
#15362
30K
18.64 mi13:22:592:29:258:0125:32
8:13
#14854
20M
20.00 mi13:34:152:40:418:0211:16
8:17
#14622
21M
21.00 mi13:42:472:49:138:038:32
8:32
#14334
35K
21.75 mi13:48:312:54:578:035:44
7:40
#14142
23M
23.00 mi13:58:253:04:518:029:54
7:54
#13817
24M
24.00 mi14:06:093:12:358:017:44
7:44
#13586
40K
24.85 mi14:12:573:19:238:016:48
7:57
#13413
25.2M
25.20 mi14:15:523:22:188:022:55
8:27
#13321
Finish
26.22 mi14:23:423:30:088:017:50
7:41
#13252
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17044112271122715021(Top 53%)10382(Top 64%)10382(Top 825%)
10K6.21 mi3.10 mi16955+8911206+2111206+2116881(Top 59%)11194(Top 70%)11194(Top 889%)
15K9.32 mi3.11 mi16296+65910937+26910937+26915021(Top 53%)10382(Top 64%)10382(Top 825%)
20K12.43 mi3.11 mi15914+38210768+16910768+16914991(Top 53%)10304(Top 64%)10304(Top 818%)
Half13.11 mi0.68 mi15842+7210738+3010738+3014146(Top 50%)9958(Top 62%)9958(Top 791%)
25K15.53 mi2.42 mi15362+48010506+23210506+23213071(Top 46%)9327(Top 58%)9327(Top 741%)
30K18.64 mi3.11 mi14854+50810217+28910217+28912950(Top 46%)9117(Top 57%)9117(Top 724%)
20M20.00 mi1.36 mi14622+23210095+12210095+12212422(Top 44%)8741(Top 54%)8741(Top 694%)
21M21.00 mi1.00 mi14334+2889951+1449951+14410686(Top 38%)7718(Top 48%)7718(Top 613%)
35K21.75 mi0.75 mi14142+1929835+1169835+1169800(Top 35%)7278(Top 45%)7278(Top 578%)
23M23.00 mi1.25 mi13817+3259655+1809655+1809347(Top 33%)6904(Top 43%)6904(Top 548%)
24M24.00 mi1.00 mi13586+2319521+1349521+1349340(Top 33%)6834(Top 42%)6834(Top 543%)
40K24.85 mi0.85 mi13413+1739425+969425+969845(Top 35%)6980(Top 43%)6980(Top 554%)
25.2M25.20 mi0.35 mi13321+929367+589367+588565(Top 30%)6250(Top 39%)6250(Top 496%)
Finish26.22 mi1.02 mi13252+699319+489319+4810608(Top 37%)7316(Top 45%)7316(Top 581%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15021

Males

10382

M60-64

10382

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16881

Males

11194

M60-64

11194

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15021

Males

10382

M60-64

10382

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14991

Males

10304

M60-64

10304

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14146

Males

9958

M60-64

9958

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

13071

Males

9327

M60-64

9327

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12950

Males

9117

M60-64

9117

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12422

Males

8741

M60-64

8741

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10686

Males

7718

M60-64

7718

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9800

Males

7278

M60-64

7278

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9347

Males

6904

M60-64

6904

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9340

Males

6834

M60-64

6834

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9845

Males

6980

M60-64

6980

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8565

Males

6250

M60-64

6250

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10608

Males

7316

M60-64

7316

Passing Analysis

Category:
Athletes Passed
4255
Passed By
463
Net Change
+3792
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17044
5K → 10K341252+89#17044#16955
10K → 15K67819+659#16955#16296
15K → 20K42644+382#16296#15914
20K → Half8311+72#15914#15842
Half → 25K4888+480#15842#15362
25K → 30K54638+508#15362#14854
30K → 20M25826+232#14854#14622
20M → 21M2957+288#14622#14334
21M → 35K1942+192#14334#14142
35K → 23M33510+325#14142#13817
23M → 24M2354+231#13817#13586
24M → 40K1785+173#13586#13413
40K → 25.2M975+92#13413#13321
25.2M → Finish10132+69#13321#13252
TOTALS4255463+3792
📊

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