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BOSTON MARATHON 2025

Michael Klaene

Bib: 12956•M

KY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M50-54)
#0 / 1996
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:07/mi
22:07
↑ 97↓ 3451.5%
10K· 6.21 mi
6:55/mi
43:37
↑ 79↓ 1380.4%
15K· 9.32 mi
6:49/mi
1:04:48
↑ 67↓ 78
20K· 12.43 mi
6:52/mi
1:26:09
↑ 106↓ 860.1%
Half· 13.11 mi
6:42/mi
1:30:43
↑ 19↓ 370.5%
25K· 15.53 mi
6:49/mi
1:47:14
↑ 66↓ 880.2%
30K· 18.64 mi
7:00/mi
2:08:58
↑ 181↓ 1480.2%
20M
6:59/mi
2:18:27
↑ 64↓ 500.2%
21M
7:15/mi
2:25:42
↑ 106↓ 241.6%
35K· 21.75 mi
6:37/mi
2:30:39
↑ 17↓ 861.7%
23M
6:49/mi
2:39:11
↑ 23↓ 630.6%
24M
6:34/mi
2:45:45
↓ 821.3%
40K· 24.85 mi
6:38/mi
2:51:25
↓ 200.3%
25.2M
7:12/mi
2:53:54
↑ 13↓ 160.2%
Finish· 26.22 mi
6:17/mi
3:00:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:43
Pace6:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:29:35
Pace6:50 /mi
📊Negative Split: 1.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5922:077:0722:07
7:07
-
10K
6.21 mi11:13:2943:377:0121:30
6:55
-0:12
15K
9.32 mi11:34:401:04:486:5721:11
6:49
-0:06
20K
12.43 mi11:56:011:26:096:5621:21
6:52
+0:03
Half
13.11 mi12:00:351:30:436:554:34
6:42
-0:10
25K
15.53 mi12:17:061:47:146:5416:31
6:49
+0:07
30K
18.64 mi12:38:502:08:586:5521:44
7:00
+0:11
20M
20.00 mi12:48:192:18:276:559:29
6:59
-0:01
21M
21.00 mi12:55:342:25:426:567:15
7:15
+0:16
35K
21.75 mi13:00:312:30:396:564:57
6:37
-0:38
23M
23.00 mi13:09:032:39:116:558:32
6:49
+0:12
24M
24.00 mi13:15:372:45:456:546:34
6:34
-0:15
40K
24.85 mi13:21:172:51:256:545:40
6:38
+0:04
25.2M
25.20 mi13:23:462:53:546:542:29
7:12
+0:34
Finish
26.22 mi13:30:103:00:186:536:24
6:17
-0:55

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

6:17 /mi

Average Pace

6:53 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:44

53% of race

Time at Steady Pace

1:24:34

47% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:51:5922:077:0722:07
7:07
#8795
10K
6.21 mi11:13:2943:377:0121:30
6:55
#7992
15K
9.32 mi11:34:401:04:486:5721:11
6:49
#7447
20K
12.43 mi11:56:011:26:096:5621:21
6:52
#7083
Half
13.11 mi12:00:351:30:436:554:34
6:42
#6977
25K
15.53 mi12:17:061:47:146:5416:31
6:49
#6588
30K
18.64 mi12:38:502:08:586:5521:44
7:00
#6098
20M
20.00 mi12:48:192:18:276:559:29
6:59
#5887
21M
21.00 mi12:55:342:25:426:567:15
7:15
#5679
35K
21.75 mi13:00:312:30:396:564:57
6:37
#5578
23M
23.00 mi13:09:032:39:116:558:32
6:49
#5320
24M
24.00 mi13:15:372:45:456:546:34
6:34
#5149
40K
24.85 mi13:21:172:51:256:545:40
6:38
#4995
25.2M
25.20 mi13:23:462:53:546:542:29
7:12
#4924
Finish
26.22 mi13:30:103:00:186:536:24
6:17
#4746
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8795748474846230(Top 22%)5640(Top 35%)5640(Top 283%)
10K6.21 mi3.10 mi7992+8036978+5066978+5067374(Top 26%)6551(Top 41%)6551(Top 328%)
15K9.32 mi3.11 mi7447+5456609+3696609+3696230(Top 22%)5640(Top 35%)5640(Top 283%)
20K12.43 mi3.11 mi7083+3646332+2776332+2775939(Top 21%)5382(Top 33%)5382(Top 270%)
Half13.11 mi0.68 mi6977+1066254+786254+785167(Top 18%)4762(Top 30%)4762(Top 239%)
25K15.53 mi2.42 mi6588+3895938+3165938+3164947(Top 17%)4541(Top 28%)4541(Top 228%)
30K18.64 mi3.11 mi6098+4905504+4345504+4344656(Top 16%)4248(Top 26%)4248(Top 213%)
20M20.00 mi1.36 mi5887+2115333+1715333+1713979(Top 14%)3647(Top 23%)3647(Top 183%)
21M21.00 mi1.00 mi5679+2085166+1675166+1673367(Top 12%)3089(Top 19%)3089(Top 155%)
35K21.75 mi0.75 mi5578+1015073+935073+933055(Top 11%)2810(Top 17%)2810(Top 141%)
23M23.00 mi1.25 mi5320+2584849+2244849+2242776(Top 10%)2550(Top 16%)2550(Top 128%)
24M24.00 mi1.00 mi5149+1714695+1544695+1542341(Top 8%)2166(Top 13%)2166(Top 109%)
40K24.85 mi0.85 mi4995+1544560+1354560+1352073(Top 7%)1911(Top 12%)1911(Top 96%)
25.2M25.20 mi0.35 mi4924+714494+664494+662147(Top 8%)1936(Top 12%)1936(Top 97%)
Finish26.22 mi1.02 mi4746+1784342+1524342+1521817(Top 6%)1680(Top 10%)1680(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21story building
+97ft-345ft

Overall

6230

Males

5640

M50-54

5640

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

7374

Males

6551

M50-54

6551

10K→15K

6.2 - 9.3 mi

Top 22%
×3story building
+67ft-78ft

Overall

6230

Males

5640

M50-54

5640

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5939

Males

5382

M50-54

5382

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

5167

Males

4762

M50-54

4762

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4947

Males

4541

M50-54

4541

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4656

Males

4248

M50-54

4248

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3979

Males

3647

M50-54

3647

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3367

Males

3089

M50-54

3089

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

3055

Males

2810

M50-54

2810

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2776

Males

2550

M50-54

2550

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2341

Males

2166

M50-54

2166

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2073

Males

1911

M50-54

1911

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2147

Males

1936

M50-54

1936

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2story building
+22ft-21ft

Overall

1817

Males

1680

M50-54

1680

Passing Analysis

Category:
Athletes Passed
4113
Passed By
64
Net Change
+4049
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8795
5K → 10K82320+803#8795#7992
10K → 15K5527+545#7992#7447
15K → 20K37410+364#7447#7083
20K → Half1071+106#7083#6977
Half → 25K3890+389#6977#6588
25K → 30K50010+490#6588#6098
30K → 20M2165+211#6098#5887
20M → 21M2102+208#5887#5679
21M → 35K1032+101#5679#5578
35K → 23M2613+258#5578#5320
23M → 24M1721+171#5320#5149
24M → 40K1540+154#5149#4995
40K → 25.2M743+71#4995#4924
25.2M → Finish1780+178#4924#4746
TOTALS411364+4049
📊

Passing Visuals

Category:
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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