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BOSTON MARATHON 2025

Jan Havranek

Bib: 1904•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 11%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M45-49)
#0 / 2386
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:44
Rank: #1162
Start → 5K
18:44 | 6:02/mi
10K· 6.21 mi
37:44
Rank: #1323 (-161)
5K → 10K
19:00 | 6:07/mi
15K· 9.32 mi
56:56
Rank: #1439 (-116)
10K → 15K
19:12 | 6:11/mi
20K· 12.43 mi
1:16:28
Rank: #1546 (-107)
15K → 20K
19:32 | 6:17/mi
Half· 13.11 mi
1:20:42
Rank: #1567 (-21)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:37:02
Rank: #1919 (-352)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
1:57:41
Rank: #2001 (-82)
25K → 30K
20:39 | 6:39/mi
20M
2:06:41
Rank: #1994 (+7)
30K → 20M
9:00 | 6:37/mi
21M
2:13:53
Rank: #2043 (-49)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:18:38
Rank: #2011 (+32)
21M → 35K
4:45 | 6:21/mi
23M
2:26:54
Rank: #1965 (+46)
35K → 23M
8:16 | 6:36/mi
24M
2:33:24
Rank: #1937 (+28)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:38:53
Rank: #1878 (+59)
24M → 40K
5:29 | 6:25/mi
25.2M
2:41:14
Rank: #1845 (+33)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:47:28
Rank: #1788 (+57)
25.2M → Finish
6:14 | 6:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:42
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:26:46
Pace6:37 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2718:446:0218:44
6:02
-
10K
6.21 mi10:38:2737:446:0419:00
6:07
+0:05
15K
9.32 mi10:57:3956:566:0719:12
6:11
+0:04
20K
12.43 mi11:17:111:16:286:0919:32
6:17
+0:06
Half
13.11 mi11:21:251:20:426:094:14
6:12
-0:05
25K
15.53 mi11:37:451:37:026:1516:20
6:44
+0:32
30K
18.64 mi11:58:241:57:416:1920:39
6:39
-0:05
20M
20.00 mi12:07:242:06:416:209:00
6:37
-0:02
21M
21.00 mi12:14:362:13:536:237:12
7:12
+0:35
35K
21.75 mi12:19:212:18:386:224:45
6:21
-0:51
23M
23.00 mi12:27:372:26:546:238:16
6:36
+0:15
24M
24.00 mi12:34:072:33:246:246:30
6:30
-0:06
40K
24.85 mi12:39:362:38:536:245:29
6:25
-0:05
25.2M
25.20 mi12:41:572:41:146:242:21
6:49
+0:24
Finish
26.22 mi12:48:112:47:286:246:14
6:07
-0:42

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

6:02 /mi

Average Pace

6:24 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:56

72% of race

Time at Steady Pace

39:20

23% of race

Time at Slower Pace

7:12

4% of race

Average Pace: 6:23 /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 mi10:19:2718:446:0218:44
6:02
#1162
10K
6.21 mi10:38:2737:446:0419:00
6:07
#1323
15K
9.32 mi10:57:3956:566:0719:12
6:11
#1439
20K
12.43 mi11:17:111:16:286:0919:32
6:17
#1546
Half
13.11 mi11:21:251:20:426:094:14
6:12
#1567
25K
15.53 mi11:37:451:37:026:1516:20
6:44
#1919
30K
18.64 mi11:58:241:57:416:1920:39
6:39
#2001
20M
20.00 mi12:07:242:06:416:209:00
6:37
#1994
21M
21.00 mi12:14:362:13:536:237:12
7:12
#2043
35K
21.75 mi12:19:212:18:386:224:45
6:21
#2011
23M
23.00 mi12:27:372:26:546:238:16
6:36
#1965
24M
24.00 mi12:34:072:33:246:246:30
6:30
#1937
40K
24.85 mi12:39:362:38:536:245:29
6:25
#1878
25.2M
25.20 mi12:41:572:41:146:242:21
6:49
#1845
Finish
26.22 mi12:48:112:47:286:246:14
6:07
#1788
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1162110011001759(Top 6%)1672(Top 10%)1672(Top 70%)
10K6.21 mi3.10 mi1323-1611258-1581258-1581532(Top 5%)1455(Top 9%)1455(Top 61%)
15K9.32 mi3.11 mi1439-1161365-1071365-1071759(Top 6%)1672(Top 10%)1672(Top 70%)
20K12.43 mi3.11 mi1546-1071468-1031468-1031961(Top 7%)1868(Top 12%)1868(Top 78%)
Half13.11 mi0.68 mi1567-211488-201488-202038(Top 7%)1947(Top 12%)1947(Top 82%)
25K15.53 mi2.42 mi1919-3521829-3411829-3414384(Top 15%)4062(Top 25%)4062(Top 170%)
30K18.64 mi3.11 mi2001-821905-761905-762630(Top 9%)2489(Top 15%)2489(Top 104%)
20M20.00 mi1.36 mi1994+71899+61899+62132(Top 8%)2019(Top 13%)2019(Top 85%)
21M21.00 mi1.00 mi2043-491944-451944-453134(Top 11%)2891(Top 18%)2891(Top 121%)
35K21.75 mi0.75 mi2011+321912+321912+321834(Top 6%)1723(Top 11%)1723(Top 72%)
23M23.00 mi1.25 mi1965+461866+461866+461853(Top 7%)1734(Top 11%)1734(Top 73%)
24M24.00 mi1.00 mi1937+281837+291837+292061(Top 7%)1914(Top 12%)1914(Top 80%)
40K24.85 mi0.85 mi1878+591780+571780+571315(Top 5%)1222(Top 8%)1222(Top 51%)
25.2M25.20 mi0.35 mi1845+331747+331747+331053(Top 4%)971(Top 6%)971(Top 41%)
Finish26.22 mi1.02 mi1788+571693+541693+541265(Top 4%)1183(Top 7%)1183(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1759

Males

1672

M45-49

1672

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1532

Males

1455

M45-49

1455

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1759

Males

1672

M45-49

1672

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1961

Males

1868

M45-49

1868

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

2038

Males

1947

M45-49

1947

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4384

Males

4062

M45-49

4062

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2630

Males

2489

M45-49

2489

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2132

Males

2019

M45-49

2019

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3134

Males

2891

M45-49

2891

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1834

Males

1723

M45-49

1723

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1853

Males

1734

M45-49

1734

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2061

Males

1914

M45-49

1914

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1315

Males

1222

M45-49

1222

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1053

Males

971

M45-49

971

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1265

Males

1183

M45-49

1183

Passing Analysis

Category:
Athletes Passed
511
Passed By
1137
Net Change
-626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1162
5K → 10K22183-161#1162#1323
10K → 15K18134-116#1323#1439
15K → 20K23130-107#1439#1546
20K → Half728-21#1546#1567
Half → 25K7359-352#1567#1919
25K → 30K55137-82#1919#2001
30K → 20M3932+7#2001#1994
20M → 21M2069-49#1994#2043
21M → 35K419+32#2043#2011
35K → 23M7226+46#2011#1965
23M → 24M4618+28#1965#1937
24M → 40K634+59#1937#1878
40K → 25.2M341+33#1878#1845
25.2M → Finish647+57#1845#1788
TOTALS5111137-626
📊

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