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BOSTON MARATHON 2025

Lukas Chmatal

Bib: 6936•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M40-44)
#0 / 2247
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:25
Rank: #4362
Start → 5K
20:25 | 6:34/mi
10K· 6.21 mi
40:44
Rank: #4175 (+187)
5K → 10K
20:19 | 6:32/mi
15K· 9.32 mi
1:01:35
Rank: #4449 (-274)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:22:42
Rank: #4585 (-136)
15K → 20K
21:07 | 6:48/mi
Half· 13.11 mi
1:27:14
Rank: #4590 (-5)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:43:52
Rank: #4677 (-87)
Half → 25K
16:38 | 6:52/mi
30K· 18.64 mi
2:06:17
Rank: #4953 (-276)
25K → 30K
22:25 | 7:13/mi
20M
2:16:18
Rank: #5053 (-100)
30K → 20M
10:01 | 7:22/mi
21M
2:24:11
Rank: #5149 (-96)
20M → 21M
7:53 | 7:53/mi
35K· 21.75 mi
2:29:32
Rank: #5190 (-41)
21M → 35K
5:21 | 7:09/mi
23M
2:38:47
Rank: #5215 (-25)
35K → 23M
9:15 | 7:23/mi
24M
2:45:56
Rank: #5197 (+18)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:51:54
Rank: #5111 (+86)
24M → 40K
5:58 | 6:59/mi
25.2M
2:54:28
Rank: #5059 (+52)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:00:59
Rank: #4913 (+146)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:14
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:33:45
Pace7:09 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:3020:256:3420:25
6:34
-
10K
6.21 mi10:46:4940:446:3320:19
6:32
-0:02
15K
9.32 mi11:07:401:01:356:3620:51
6:43
+0:11
20K
12.43 mi11:28:471:22:426:3921:07
6:48
+0:05
Half
13.11 mi11:33:191:27:146:394:32
6:39
-0:09
25K
15.53 mi11:49:571:43:526:4116:38
6:52
+0:13
30K
18.64 mi12:12:222:06:176:4622:25
7:13
+0:21
20M
20.00 mi12:22:232:16:186:4910:01
7:22
+0:09
21M
21.00 mi12:30:162:24:116:527:53
7:53
+0:31
35K
21.75 mi12:35:372:29:326:535:21
7:09
-0:44
23M
23.00 mi12:44:522:38:476:549:15
7:23
+0:14
24M
24.00 mi12:52:012:45:566:557:09
7:09
-0:14
40K
24.85 mi12:57:592:51:546:555:58
6:59
-0:10
25.2M
25.20 mi13:00:332:54:286:552:34
7:27
+0:28
Finish
26.22 mi13:07:043:00:596:546:31
6:24
-1:03

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

6:24 /mi

Average Pace

6:54 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:38

40% of race

Time at Steady Pace

56:13

31% of race

Time at Slower Pace

52:08

29% of race

Average Pace: 6:54 /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 mi10:26:3020:256:3420:25
6:34
#4362
10K
6.21 mi10:46:4940:446:3320:19
6:32
#4175
15K
9.32 mi11:07:401:01:356:3620:51
6:43
#4449
20K
12.43 mi11:28:471:22:426:3921:07
6:48
#4585
Half
13.11 mi11:33:191:27:146:394:32
6:39
#4590
25K
15.53 mi11:49:571:43:526:4116:38
6:52
#4677
30K
18.64 mi12:12:222:06:176:4622:25
7:13
#4953
20M
20.00 mi12:22:232:16:186:4910:01
7:22
#5053
21M
21.00 mi12:30:162:24:116:527:53
7:53
#5149
35K
21.75 mi12:35:372:29:326:535:21
7:09
#5190
23M
23.00 mi12:44:522:38:476:549:15
7:23
#5215
24M
24.00 mi12:52:012:45:566:557:09
7:09
#5197
40K
24.85 mi12:57:592:51:546:555:58
6:59
#5111
25.2M
25.20 mi13:00:332:54:286:552:34
7:27
#5059
Finish
26.22 mi13:07:043:00:596:546:31
6:24
#4913
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4362409940995168(Top 18%)4781(Top 30%)4781(Top 213%)
10K6.21 mi3.10 mi4175+1873928+1713928+1714001(Top 14%)3766(Top 23%)3766(Top 168%)
15K9.32 mi3.11 mi4449-2744183-2554183-2555168(Top 18%)4781(Top 30%)4781(Top 213%)
20K12.43 mi3.11 mi4585-1364289-1064289-1065251(Top 18%)4826(Top 30%)4826(Top 215%)
Half13.11 mi0.68 mi4590-54292-34292-34762(Top 17%)4422(Top 27%)4422(Top 197%)
25K15.53 mi2.42 mi4677-874358-664358-665347(Top 19%)4875(Top 30%)4875(Top 217%)
30K18.64 mi3.11 mi4953-2764577-2194577-2195979(Top 21%)5291(Top 33%)5291(Top 235%)
20M20.00 mi1.36 mi5053-1004652-754652-756172(Top 22%)5303(Top 33%)5303(Top 236%)
21M21.00 mi1.00 mi5149-964725-734725-736635(Top 23%)5446(Top 34%)5446(Top 242%)
35K21.75 mi0.75 mi5190-414754-294754-296232(Top 22%)5205(Top 32%)5205(Top 232%)
23M23.00 mi1.25 mi5215-254760-64760-65947(Top 21%)4925(Top 31%)4925(Top 219%)
24M24.00 mi1.00 mi5197+184734+264734+265484(Top 19%)4581(Top 28%)4581(Top 204%)
40K24.85 mi0.85 mi5111+864653+814653+813751(Top 13%)3296(Top 20%)3296(Top 147%)
25.2M25.20 mi0.35 mi5059+524608+454608+453144(Top 11%)2785(Top 17%)2785(Top 124%)
Finish26.22 mi1.02 mi4913+1464476+1324476+1322294(Top 8%)2097(Top 13%)2097(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5168

Males

4781

M40-44

4781

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

4001

Males

3766

M40-44

3766

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5168

Males

4781

M40-44

4781

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5251

Males

4826

M40-44

4826

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4762

Males

4422

M40-44

4422

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5347

Males

4875

M40-44

4875

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5979

Males

5291

M40-44

5291

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

6172

Males

5303

M40-44

5303

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6635

Males

5446

M40-44

5446

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6232

Males

5205

M40-44

5205

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5947

Males

4925

M40-44

4925

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5484

Males

4581

M40-44

4581

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3751

Males

3296

M40-44

3296

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3144

Males

2785

M40-44

2785

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2294

Males

2097

M40-44

2097

Passing Analysis

Category:
Athletes Passed
1123
Passed By
1674
Net Change
-551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4362
5K → 10K25770+187#4362#4175
10K → 15K30304-274#4175#4449
15K → 20K74210-136#4449#4585
20K → Half1823-5#4585#4590
Half → 25K83170-87#4590#4677
25K → 30K88364-276#4677#4953
30K → 20M42142-100#4953#5053
20M → 21M55151-96#5053#5149
21M → 35K3374-41#5149#5190
35K → 23M80105-25#5190#5215
23M → 24M6143+18#5215#5197
24M → 40K959+86#5197#5111
40K → 25.2M586+52#5111#5059
25.2M → Finish1493+146#5059#4913
TOTALS11231674-551
📊

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