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BOSTON MARATHON 2025

John Dauer

Bib: 28153•M

IL

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:19
Rank: #21469
Start → 5K
27:19 | 8:48/mi
10K· 6.21 mi
52:44
Rank: #19749 (+1720)
5K → 10K
25:25 | 8:11/mi
15K· 9.32 mi
1:18:16
Rank: #19003 (+746)
10K → 15K
25:32 | 8:13/mi
20K· 12.43 mi
1:45:05
Rank: #18984 (+19)
15K → 20K
26:49 | 8:38/mi
Half· 13.11 mi
1:50:50
Rank: #18983 (+1)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:12:29
Rank: #19079 (-96)
Half → 25K
21:39 | 8:56/mi
30K· 18.64 mi
2:41:11
Rank: #19023 (+56)
25K → 30K
28:42 | 9:14/mi
20M
2:53:54
Rank: #19002 (+21)
30K → 20M
12:43 | 9:21/mi
21M
3:04:10
Rank: #19010 (-8)
20M → 21M
10:16 | 10:16/mi
35K· 21.75 mi
3:10:34
Rank: #18888 (+122)
21M → 35K
6:24 | 8:33/mi
23M
3:22:18
Rank: #18840 (+48)
35K → 23M
11:44 | 9:22/mi
24M
3:31:25
Rank: #18818 (+22)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
3:39:30
Rank: #18800 (+18)
24M → 40K
8:05 | 9:27/mi
25.2M
3:43:16
Rank: #18830 (-30)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
3:52:45
Rank: #18896 (-66)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:50
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time2:01:55
Pace9:18 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5627:198:4827:19
8:48
-
10K
6.21 mi12:10:2152:448:2925:25
8:11
-0:37
15K
9.32 mi12:35:531:18:168:2425:32
8:13
+0:02
20K
12.43 mi13:02:421:45:058:2726:49
8:38
+0:25
Half
13.11 mi13:08:271:50:508:275:45
8:26
-0:12
25K
15.53 mi13:30:062:12:298:3221:39
8:56
+0:30
30K
18.64 mi13:58:482:41:118:3928:42
9:14
+0:18
20M
20.00 mi14:11:312:53:548:4212:43
9:21
+0:07
21M
21.00 mi14:21:473:04:108:4610:16
10:16
+0:55
35K
21.75 mi14:28:113:10:348:466:24
8:33
-1:43
23M
23.00 mi14:39:553:22:188:4811:44
9:22
+0:49
24M
24.00 mi14:49:023:31:258:499:07
9:07
-0:15
40K
24.85 mi14:57:073:39:308:508:05
9:27
+0:20
25.2M
25.20 mi15:00:533:43:168:523:46
10:55
+1:28
Finish
26.22 mi15:10:223:52:458:539:29
9:18
-1:37

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

8:11 /mi

Average Pace

8:53 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:55

39% of race

Time at Steady Pace

2:08:48

55% of race

Time at Slower Pace

14:02

6% of race

Average Pace: 8:53 /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 mi11:44:5627:198:4827:19
8:48
#21469
10K
6.21 mi12:10:2152:448:2925:25
8:11
#19749
15K
9.32 mi12:35:531:18:168:2425:32
8:13
#19003
20K
12.43 mi13:02:421:45:058:2726:49
8:38
#18984
Half
13.11 mi13:08:271:50:508:275:45
8:26
#18983
25K
15.53 mi13:30:062:12:298:3221:39
8:56
#19079
30K
18.64 mi13:58:482:41:118:3928:42
9:14
#19023
20M
20.00 mi14:11:312:53:548:4212:43
9:21
#19002
21M
21.00 mi14:21:473:04:108:4610:16
10:16
#19010
35K
21.75 mi14:28:113:10:348:466:24
8:33
#18888
23M
23.00 mi14:39:553:22:188:4811:44
9:22
#18840
24M
24.00 mi14:49:023:31:258:499:07
9:07
#18818
40K
24.85 mi14:57:073:39:308:508:05
9:27
#18800
25.2M
25.20 mi15:00:533:43:168:523:46
10:55
#18830
Finish
26.22 mi15:10:223:52:458:539:29
9:18
#18896
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21469130591305917495(Top 62%)11438(Top 71%)11438(Top 694%)
10K6.21 mi3.10 mi19749+172012367+69212367+69217750(Top 62%)11552(Top 72%)11552(Top 701%)
15K9.32 mi3.11 mi19003+74612034+33312034+33317495(Top 62%)11438(Top 71%)11438(Top 694%)
20K12.43 mi3.11 mi18984+1912033+112033+119007(Top 67%)12032(Top 75%)12032(Top 730%)
Half13.11 mi0.68 mi18983+112032+112032+118713(Top 66%)11922(Top 74%)11922(Top 723%)
25K15.53 mi2.42 mi19079-9612062-3012062-3019556(Top 69%)12207(Top 76%)12207(Top 741%)
30K18.64 mi3.11 mi19023+5611999+6311999+6318822(Top 66%)11751(Top 73%)11751(Top 713%)
20M20.00 mi1.36 mi19002+2111966+3311966+3318543(Top 65%)11468(Top 71%)11468(Top 696%)
21M21.00 mi1.00 mi19010-811945+2111945+2119238(Top 68%)11728(Top 73%)11728(Top 712%)
35K21.75 mi0.75 mi18888+12211871+7411871+7415797(Top 56%)10099(Top 63%)10099(Top 613%)
23M23.00 mi1.25 mi18840+4811825+4611825+4618101(Top 64%)11023(Top 68%)11023(Top 669%)
24M24.00 mi1.00 mi18818+2211800+2511800+2517959(Top 63%)10905(Top 68%)10905(Top 662%)
40K24.85 mi0.85 mi18800+1811757+4311757+4318513(Top 65%)11080(Top 69%)11080(Top 672%)
25.2M25.20 mi0.35 mi18830-3011764-711764-720355(Top 72%)11955(Top 74%)11955(Top 725%)
Finish26.22 mi1.02 mi18896-6611772-811772-820390(Top 72%)12001(Top 75%)12001(Top 728%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17495

Males

11438

M55-59

11438

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17750

Males

11552

M55-59

11552

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17495

Males

11438

M55-59

11438

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

19007

Males

12032

M55-59

12032

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18713

Males

11922

M55-59

11922

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19556

Males

12207

M55-59

12207

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18822

Males

11751

M55-59

11751

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18543

Males

11468

M55-59

11468

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19238

Males

11728

M55-59

11728

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

15797

Males

10099

M55-59

10099

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

18101

Males

11023

M55-59

11023

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17959

Males

10905

M55-59

10905

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18513

Males

11080

M55-59

11080

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20355

Males

11955

M55-59

11955

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20390

Males

12001

M55-59

12001

Passing Analysis

Category:
Athletes Passed
3803
Passed By
1230
Net Change
+2573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21469
5K → 10K173515+1720#21469#19749
10K → 15K75913+746#19749#19003
15K → 20K209190+19#19003#18984
20K → Half2625+1#18984#18983
Half → 25K142238-96#18983#19079
25K → 30K257201+56#19079#19023
30K → 20M11695+21#19023#19002
20M → 21M93101-8#19002#19010
21M → 35K1264+122#19010#18888
35K → 23M12476+48#18888#18840
23M → 24M7654+22#18840#18818
24M → 40K8163+18#18818#18800
40K → 25.2M1444-30#18800#18830
25.2M → Finish45111-66#18830#18896
TOTALS38031230+2573
📊

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