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BOSTON MARATHON 2025

John Baxter

Bib: 25837•M

RI

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:27
Rank: #25879
Start → 5K
31:27 | 10:07/mi
10K· 6.21 mi
1:02:52
Rank: #25694 (+185)
5K → 10K
31:25 | 10:07/mi
15K· 9.32 mi
1:34:45
Rank: #25650 (+44)
10K → 15K
31:53 | 10:16/mi
20K· 12.43 mi
2:06:43
Rank: #25426 (+224)
15K → 20K
31:58 | 10:17/mi
Half· 13.11 mi
2:13:40
Rank: #25407 (+19)
20K → Half
6:57 | 10:11/mi
25K· 15.53 mi
2:38:48
Rank: #25169 (+238)
Half → 25K
25:08 | 10:22/mi
30K· 18.64 mi
3:11:49
Rank: #24847 (+322)
25K → 30K
33:01 | 10:38/mi
20M
3:26:27
Rank: #24734 (+113)
30K → 20M
14:38 | 10:46/mi
21M
3:38:01
Rank: #24635 (+99)
20M → 21M
11:34 | 11:34/mi
35K· 21.75 mi
3:45:38
Rank: #24580 (+55)
21M → 35K
7:37 | 10:11/mi
23M
3:58:51
Rank: #24456 (+124)
35K → 23M
13:13 | 10:33/mi
24M
4:09:20
Rank: #24379 (+77)
23M → 24M
10:29 | 10:29/mi
40K· 24.85 mi
4:19:12
Rank: #24390 (-11)
24M → 40K
9:52 | 11:32/mi
25.2M
4:23:49
Rank: #24416 (-26)
40K → 25.2M
4:37 | 13:23/mi
Finish· 26.22 mi
4:33:59
Rank: #24370 (+46)
25.2M → Finish
10:10 | 9:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:40
Pace10:12 /mi
2nd Half
Distance13.11 mi
Time2:20:19
Pace10:42 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5331:2710:0731:27
10:07
-
10K
6.21 mi12:18:181:02:5210:0731:25
10:07
0:00
15K
9.32 mi12:50:111:34:4510:1031:53
10:16
+0:09
20K
12.43 mi13:22:092:06:4310:1231:58
10:17
+0:01
Half
13.11 mi13:29:062:13:4010:126:57
10:11
-0:06
25K
15.53 mi13:54:142:38:4810:1325:08
10:22
+0:11
30K
18.64 mi14:27:153:11:4910:1733:01
10:38
+0:16
20M
20.00 mi14:41:533:26:2710:1914:38
10:46
+0:08
21M
21.00 mi14:53:273:38:0110:2311:34
11:34
+0:48
35K
21.75 mi15:01:043:45:3810:227:37
10:11
-1:23
23M
23.00 mi15:14:173:58:5110:2313:13
10:33
+0:22
24M
24.00 mi15:24:464:09:2010:2310:29
10:29
-0:04
40K
24.85 mi15:34:384:19:1210:269:52
11:32
+1:03
25.2M
25.20 mi15:39:154:23:4910:284:37
13:23
+1:51
Finish
26.22 mi15:49:254:33:5910:2710:10
9:59
-3:24

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

9:59 /mi

Average Pace

10:27 /mi

Slowest Pace

13:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:07:56

90% of race

Time at Slower Pace

26:03

10% of race

Average Pace: 10:27 /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 mi11:46:5331:2710:0731:27
10:07
#25879
10K
6.21 mi12:18:181:02:5210:0731:25
10:07
#25694
15K
9.32 mi12:50:111:34:4510:1031:53
10:16
#25650
20K
12.43 mi13:22:092:06:4310:1231:58
10:17
#25426
Half
13.11 mi13:29:062:13:4010:126:57
10:11
#25407
25K
15.53 mi13:54:142:38:4810:1325:08
10:22
#25169
30K
18.64 mi14:27:153:11:4910:1733:01
10:38
#24847
20M
20.00 mi14:41:533:26:2710:1914:38
10:46
#24734
21M
21.00 mi14:53:273:38:0110:2311:34
11:34
#24635
35K
21.75 mi15:01:043:45:3810:227:37
10:11
#24580
23M
23.00 mi15:14:173:58:5110:2313:13
10:33
#24456
24M
24.00 mi15:24:464:09:2010:2310:29
10:29
#24379
40K
24.85 mi15:34:384:19:1210:269:52
11:32
#24390
25.2M
25.20 mi15:39:154:23:4910:284:37
13:23
#24416
Finish
26.22 mi15:49:254:33:5910:2710:10
9:59
#24370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi25879151191511925529(Top 90%)14944(Top 93%)14944(Top 749%)
10K6.21 mi3.10 mi25694+18515030+8915030+8925556(Top 90%)14935(Top 93%)14935(Top 748%)
15K9.32 mi3.11 mi25650+4414996+3414996+3425529(Top 90%)14944(Top 93%)14944(Top 749%)
20K12.43 mi3.11 mi25426+22414890+10614890+10624805(Top 87%)14587(Top 91%)14587(Top 731%)
Half13.11 mi0.68 mi25407+1914884+614884+625221(Top 89%)14764(Top 92%)14764(Top 740%)
25K15.53 mi2.42 mi25169+23814755+12914755+12924105(Top 85%)14243(Top 88%)14243(Top 714%)
30K18.64 mi3.11 mi24847+32214590+16514590+16523221(Top 82%)13714(Top 85%)13714(Top 687%)
20M20.00 mi1.36 mi24734+11314524+6614524+6623108(Top 81%)13580(Top 84%)13580(Top 680%)
21M21.00 mi1.00 mi24635+9914468+5614468+5622747(Top 80%)13325(Top 83%)13325(Top 668%)
35K21.75 mi0.75 mi24580+5514432+3614432+3622381(Top 79%)13103(Top 81%)13103(Top 656%)
23M23.00 mi1.25 mi24456+12414355+7714355+7722155(Top 78%)12957(Top 80%)12957(Top 649%)
24M24.00 mi1.00 mi24379+7714310+4514310+4522772(Top 80%)13194(Top 82%)13194(Top 661%)
40K24.85 mi0.85 mi24390-1114315-514315-524207(Top 85%)13878(Top 86%)13878(Top 695%)
25.2M25.20 mi0.35 mi24416-2614319-414319-425532(Top 90%)14502(Top 90%)14502(Top 727%)
Finish26.22 mi1.02 mi24370+4614276+4314276+4322858(Top 80%)13206(Top 82%)13206(Top 662%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25529

Males

14944

M50-54

14944

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25556

Males

14935

M50-54

14935

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25529

Males

14944

M50-54

14944

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24805

Males

14587

M50-54

14587

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25221

Males

14764

M50-54

14764

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24105

Males

14243

M50-54

14243

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23221

Males

13714

M50-54

13714

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

23108

Males

13580

M50-54

13580

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22747

Males

13325

M50-54

13325

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22381

Males

13103

M50-54

13103

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22155

Males

12957

M50-54

12957

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

22772

Males

13194

M50-54

13194

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24207

Males

13878

M50-54

13878

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25532

Males

14502

M50-54

14502

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

22858

Males

13206

M50-54

13206

Passing Analysis

Category:
Athletes Passed
1930
Passed By
421
Net Change
+1509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25879
5K → 10K289104+185#25879#25694
10K → 15K155111+44#25694#25650
15K → 20K25026+224#25650#25426
20K → Half2910+19#25426#25407
Half → 25K24911+238#25407#25169
25K → 30K33513+322#25169#24847
30K → 20M12310+113#24847#24734
20M → 21M11213+99#24734#24635
21M → 35K616+55#24635#24580
35K → 23M13511+124#24580#24456
23M → 24M9215+77#24456#24379
24M → 40K2940-11#24379#24390
40K → 25.2M834-26#24390#24416
25.2M → Finish6317+46#24416#24370
TOTALS1930421+1509
📊

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