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BOSTON MARATHON 2025

Michael Kuefner

Bib: 6319•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:44
Rank: #2773
Start → 5K
19:44 | 6:21/mi
10K· 6.21 mi
39:27
Rank: #2728 (+45)
5K → 10K
19:43 | 6:21/mi
15K· 9.32 mi
59:17
Rank: #2745 (-17)
10K → 15K
19:50 | 6:23/mi
20K· 12.43 mi
1:19:15
Rank: #2720 (+25)
15K → 20K
19:58 | 6:26/mi
Half· 13.11 mi
1:23:36
Rank: #2725 (-5)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:12
Rank: #2661 (+64)
Half → 25K
15:36 | 6:26/mi
30K· 18.64 mi
1:59:37
Rank: #2542 (+119)
25K → 30K
20:25 | 6:34/mi
20M
2:08:50
Rank: #2520 (+22)
30K → 20M
9:13 | 6:47/mi
21M
2:16:02
Rank: #2536 (-16)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:21:05
Rank: #2574 (-38)
21M → 35K
5:03 | 6:45/mi
23M
2:29:57
Rank: #2630 (-56)
35K → 23M
8:52 | 7:05/mi
24M
2:36:35
Rank: #2597 (+33)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:42:29
Rank: #2587 (+10)
24M → 40K
5:54 | 6:54/mi
25.2M
2:45:06
Rank: #2595 (-8)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:51:34
Rank: #2551 (+44)
25.2M → Finish
6:28 | 6:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:36
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:27:58
Pace6:43 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3719:446:2119:44
6:21
-
10K
6.21 mi10:45:2039:276:2119:43
6:21
0:00
15K
9.32 mi11:05:1059:176:2219:50
6:23
+0:02
20K
12.43 mi11:25:081:19:156:2319:58
6:26
+0:03
Half
13.11 mi11:29:291:23:366:234:21
6:23
-0:03
25K
15.53 mi11:45:051:39:126:2315:36
6:26
+0:03
30K
18.64 mi12:05:301:59:376:2520:25
6:34
+0:08
20M
20.00 mi12:14:432:08:506:269:13
6:47
+0:13
21M
21.00 mi12:21:552:16:026:297:12
7:12
+0:25
35K
21.75 mi12:26:582:21:056:295:03
6:45
-0:27
23M
23.00 mi12:35:502:29:576:318:52
7:05
+0:20
24M
24.00 mi12:42:282:36:356:316:38
6:38
-0:27
40K
24.85 mi12:48:222:42:296:325:54
6:54
+0:16
25.2M
25.20 mi12:50:592:45:066:332:37
7:35
+0:41
Finish
26.22 mi12:57:272:51:346:336:28
6:21
-1:14

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

6:21 /mi

Average Pace

6:33 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:53

89% of race

Time at Steady Pace

16:04

9% of race

Time at Slower Pace

2:37

2% of race

Average Pace: 6:33 /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 mi10:25:3719:446:2119:44
6:21
#2773
10K
6.21 mi10:45:2039:276:2119:43
6:21
#2728
15K
9.32 mi11:05:1059:176:2219:50
6:23
#2745
20K
12.43 mi11:25:081:19:156:2319:58
6:26
#2720
Half
13.11 mi11:29:291:23:366:234:21
6:23
#2725
25K
15.53 mi11:45:051:39:126:2315:36
6:26
#2661
30K
18.64 mi12:05:301:59:376:2520:25
6:34
#2542
20M
20.00 mi12:14:432:08:506:269:13
6:47
#2520
21M
21.00 mi12:21:552:16:026:297:12
7:12
#2536
35K
21.75 mi12:26:582:21:056:295:03
6:45
#2574
23M
23.00 mi12:35:502:29:576:318:52
7:05
#2630
24M
24.00 mi12:42:282:36:356:316:38
6:38
#2597
40K
24.85 mi12:48:222:42:296:325:54
6:54
#2587
25.2M
25.20 mi12:50:592:45:066:332:37
7:35
#2595
Finish
26.22 mi12:57:272:51:346:336:28
6:21
#2551
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2773264326432842(Top 10%)2707(Top 17%)2707(Top 48%)
10K6.21 mi3.10 mi2728+452599+442599+442726(Top 10%)2597(Top 16%)2597(Top 46%)
15K9.32 mi3.11 mi2745-172617-182617-182842(Top 10%)2707(Top 17%)2707(Top 48%)
20K12.43 mi3.11 mi2720+252593+242593+242683(Top 9%)2553(Top 16%)2553(Top 45%)
Half13.11 mi0.68 mi2725-52600-72600-72959(Top 10%)2826(Top 18%)2826(Top 50%)
25K15.53 mi2.42 mi2661+642541+592541+592528(Top 9%)2404(Top 15%)2404(Top 43%)
30K18.64 mi3.11 mi2542+1192428+1132428+1132295(Top 8%)2174(Top 13%)2174(Top 39%)
20M20.00 mi1.36 mi2520+222404+242404+242841(Top 10%)2657(Top 16%)2657(Top 47%)
21M21.00 mi1.00 mi2536-162418-142418-143142(Top 11%)2899(Top 18%)2899(Top 51%)
35K21.75 mi0.75 mi2574-382451-332451-333820(Top 13%)3442(Top 21%)3442(Top 61%)
23M23.00 mi1.25 mi2630-562500-492500-494238(Top 15%)3767(Top 23%)3767(Top 67%)
24M24.00 mi1.00 mi2597+332464+362464+362652(Top 9%)2435(Top 15%)2435(Top 43%)
40K24.85 mi0.85 mi2587+102455+92455+93359(Top 12%)3001(Top 19%)3001(Top 53%)
25.2M25.20 mi0.35 mi2595-82459-42459-43821(Top 13%)3303(Top 21%)3303(Top 59%)
Finish26.22 mi1.02 mi2551+442417+422417+422093(Top 7%)1920(Top 12%)1920(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2842

Males

2707

M18-39

2707

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2726

Males

2597

M18-39

2597

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2842

Males

2707

M18-39

2707

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2683

Males

2553

M18-39

2553

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2959

Males

2826

M18-39

2826

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2528

Males

2404

M18-39

2404

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2295

Males

2174

M18-39

2174

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2841

Males

2657

M18-39

2657

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3142

Males

2899

M18-39

2899

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3820

Males

3442

M18-39

3442

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4238

Males

3767

M18-39

3767

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2652

Males

2435

M18-39

2435

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3359

Males

3001

M18-39

3001

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3821

Males

3303

M18-39

3303

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

2093

Males

1920

M18-39

1920

Passing Analysis

Category:
Athletes Passed
885
Passed By
663
Net Change
+222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2773
5K → 10K148103+45#2773#2728
10K → 15K6784-17#2728#2745
15K → 20K8560+25#2745#2720
20K → Half1621-5#2720#2725
Half → 25K9531+64#2725#2661
25K → 30K15334+119#2661#2542
30K → 20M5735+22#2542#2520
20M → 21M4460-16#2520#2536
21M → 35K2159-38#2536#2574
35K → 23M3995-56#2574#2630
23M → 24M5522+33#2630#2597
24M → 40K3626+10#2597#2587
40K → 25.2M1422-8#2587#2595
25.2M → Finish5511+44#2595#2551
TOTALS885663+222
📊

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