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BOSTON MARATHON 2025

Tat Keung Leung

Bib: 18455•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M55-59)
#0 / 1648
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:47
Rank: #10690
Start → 5K
22:47 | 7:20/mi
10K· 6.21 mi
45:30
Rank: #10523 (+167)
5K → 10K
22:43 | 7:19/mi
15K· 9.32 mi
1:08:21
Rank: #10512 (+11)
10K → 15K
22:51 | 7:21/mi
20K· 12.43 mi
1:31:21
Rank: #10313 (+199)
15K → 20K
23:00 | 7:24/mi
Half· 13.11 mi
1:36:23
Rank: #10312 (+1)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:54:26
Rank: #10149 (+163)
Half → 25K
18:03 | 7:27/mi
30K· 18.64 mi
2:19:12
Rank: #10286 (-137)
25K → 30K
24:46 | 7:58/mi
20M
2:30:09
Rank: #10313 (-27)
30K → 20M
10:57 | 8:03/mi
21M
2:38:52
Rank: #10379 (-66)
20M → 21M
8:43 | 8:43/mi
35K· 21.75 mi
2:44:58
Rank: #10491 (-112)
21M → 35K
6:06 | 8:09/mi
23M
2:55:01
Rank: #10413 (+78)
35K → 23M
10:03 | 8:02/mi
24M
3:02:46
Rank: #10355 (+58)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:09:40
Rank: #10323 (+32)
24M → 40K
6:54 | 8:04/mi
25.2M
3:12:48
Rank: #10350 (-27)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:20:45
Rank: #10362 (-12)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:23
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:44:22
Pace7:58 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1322:477:2022:47
7:20
-
10K
6.21 mi11:35:5645:307:1922:43
7:19
-0:01
15K
9.32 mi11:58:471:08:217:2022:51
7:21
+0:02
20K
12.43 mi12:21:471:31:217:2123:00
7:24
+0:03
Half
13.11 mi12:26:491:36:237:215:02
7:23
-0:01
25K
15.53 mi12:44:521:54:267:2218:03
7:27
+0:04
30K
18.64 mi13:09:382:19:127:2824:46
7:58
+0:31
20M
20.00 mi13:20:352:30:097:3010:57
8:03
+0:05
21M
21.00 mi13:29:182:38:527:348:43
8:43
+0:40
35K
21.75 mi13:35:242:44:587:356:06
8:09
-0:34
23M
23.00 mi13:45:272:55:017:3710:03
8:02
-0:07
24M
24.00 mi13:53:123:02:467:377:45
7:45
-0:17
40K
24.85 mi14:00:063:09:407:386:54
8:04
+0:19
25.2M
25.20 mi14:03:143:12:487:393:08
9:05
+1:01
Finish
26.22 mi14:11:113:20:457:407:57
7:48
-1:17

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

7:19 /mi

Average Pace

7:40 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:26

57% of race

Time at Steady Pace

1:01:28

31% of race

Time at Slower Pace

24:51

12% of race

Average Pace: 7:39 /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 mi11:13:1322:477:2022:47
7:20
#10690
10K
6.21 mi11:35:5645:307:1922:43
7:19
#10523
15K
9.32 mi11:58:471:08:217:2022:51
7:21
#10512
20K
12.43 mi12:21:471:31:217:2123:00
7:24
#10313
Half
13.11 mi12:26:491:36:237:215:02
7:23
#10312
25K
15.53 mi12:44:521:54:267:2218:03
7:27
#10149
30K
18.64 mi13:09:382:19:127:2824:46
7:58
#10286
20M
20.00 mi13:20:352:30:097:3010:57
8:03
#10313
21M
21.00 mi13:29:182:38:527:348:43
8:43
#10379
35K
21.75 mi13:35:242:44:587:356:06
8:09
#10491
23M
23.00 mi13:45:272:55:017:3710:03
8:02
#10413
24M
24.00 mi13:53:123:02:467:377:45
7:45
#10355
40K
24.85 mi14:00:063:09:407:386:54
8:04
#10323
25.2M
25.20 mi14:03:143:12:487:393:08
9:05
#10350
Finish
26.22 mi14:11:113:20:457:407:57
7:48
#10362
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi106908532853210440(Top 37%)8322(Top 52%)8322(Top 505%)
10K6.21 mi3.10 mi10523+1678432+1008432+10010430(Top 37%)8370(Top 52%)8370(Top 508%)
15K9.32 mi3.11 mi10512+118401+318401+3110440(Top 37%)8322(Top 52%)8322(Top 505%)
20K12.43 mi3.11 mi10313+1998268+1338268+1339925(Top 35%)7975(Top 50%)7975(Top 484%)
Half13.11 mi0.68 mi10312+18260+88260+810641(Top 37%)8363(Top 52%)8363(Top 507%)
25K15.53 mi2.42 mi10149+1638142+1188142+1189498(Top 33%)7599(Top 47%)7599(Top 461%)
30K18.64 mi3.11 mi10286-1378166-248166-2411169(Top 39%)8266(Top 51%)8266(Top 502%)
20M20.00 mi1.36 mi10313-278132+348132+3410809(Top 38%)7943(Top 49%)7943(Top 482%)
21M21.00 mi1.00 mi10379-668123+98123+911754(Top 41%)8246(Top 51%)8246(Top 500%)
35K21.75 mi0.75 mi10491-1128159-368159-3613242(Top 47%)8898(Top 55%)8898(Top 540%)
23M23.00 mi1.25 mi10413+788073+868073+8610201(Top 36%)7334(Top 46%)7334(Top 445%)
24M24.00 mi1.00 mi10355+588015+588015+589445(Top 33%)6879(Top 43%)6879(Top 417%)
40K24.85 mi0.85 mi10323+327961+547961+5410649(Top 37%)7377(Top 46%)7377(Top 448%)
25.2M25.20 mi0.35 mi10350-277959+27959+212200(Top 43%)8084(Top 50%)8084(Top 491%)
Finish26.22 mi1.02 mi10362-127936+237936+2311421(Top 40%)7716(Top 48%)7716(Top 468%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10440

Males

8322

M55-59

8322

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10430

Males

8370

M55-59

8370

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10440

Males

8322

M55-59

8322

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9925

Males

7975

M55-59

7975

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10641

Males

8363

M55-59

8363

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9498

Males

7599

M55-59

7599

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11169

Males

8266

M55-59

8266

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10809

Males

7943

M55-59

7943

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

11754

Males

8246

M55-59

8246

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13242

Males

8898

M55-59

8898

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10201

Males

7334

M55-59

7334

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9445

Males

6879

M55-59

6879

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10649

Males

7377

M55-59

7377

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12200

Males

8084

M55-59

8084

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11421

Males

7716

M55-59

7716

Passing Analysis

Category:
Athletes Passed
1909
Passed By
1579
Net Change
+328
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10690
5K → 10K339172+167#10690#10523
10K → 15K174163+11#10523#10512
15K → 20K26969+199#10512#10313
20K → Half3837+1#10313#10312
Half → 25K23067+163#10312#10149
25K → 30K191327-137#10149#10286
30K → 20M111138-27#10286#10313
20M → 21M91157-66#10313#10379
21M → 35K26138-112#10379#10491
35K → 23M13860+78#10491#10413
23M → 24M10951+58#10413#10355
24M → 40K9765+32#10355#10323
40K → 25.2M2249-27#10323#10350
25.2M → Finish7486-12#10350#10362
TOTALS19091579+328
📊

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