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BOSTON MARATHON 2025

Jonathan Boxshall

Bib: 6341•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Masters (Masters Men)
#0 / 10463
Top 7%
Division (M45-49)
#0 / 2386
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:40
Rank: #5041
Start → 5K
20:40 | 6:39/mi
10K· 6.21 mi
41:25
Rank: #5056 (-15)
5K → 10K
20:45 | 6:41/mi
15K· 9.32 mi
1:02:04
Rank: #4867 (+189)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:22:51
Rank: #4709 (+158)
15K → 20K
20:47 | 6:41/mi
Half· 13.11 mi
1:27:21
Rank: #4669 (+40)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:33
Rank: #4513 (+156)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:04:42
Rank: #4230 (+283)
25K → 30K
21:09 | 6:48/mi
20M
2:13:48
Rank: #4040 (+190)
30K → 20M
9:06 | 6:42/mi
21M
2:20:56
Rank: #3930 (+110)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:25:53
Rank: #3871 (+59)
21M → 35K
4:57 | 6:37/mi
23M
2:34:24
Rank: #3761 (+110)
35K → 23M
8:31 | 6:48/mi
24M
2:40:57
Rank: #3651 (+110)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:46:39
Rank: #3547 (+104)
24M → 40K
5:42 | 6:40/mi
25.2M
2:49:08
Rank: #3491 (+56)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:55:39
Rank: #3397 (+94)
25.2M → Finish
6:31 | 6:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:21
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:28:18
Pace6:44 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1220:406:3920:40
6:39
-
10K
6.21 mi10:45:5741:256:4020:45
6:41
+0:02
15K
9.32 mi11:06:361:02:046:4020:39
6:39
-0:02
20K
12.43 mi11:27:231:22:516:4020:47
6:41
+0:02
Half
13.11 mi11:31:531:27:216:404:30
6:36
-0:05
25K
15.53 mi11:48:051:43:336:4016:12
6:41
+0:05
30K
18.64 mi12:09:142:04:426:4121:09
6:48
+0:07
20M
20.00 mi12:18:202:13:486:419:06
6:42
-0:06
21M
21.00 mi12:25:282:20:566:437:08
7:08
+0:26
35K
21.75 mi12:30:252:25:536:424:57
6:37
-0:31
23M
23.00 mi12:38:562:34:246:438:31
6:48
+0:11
24M
24.00 mi12:45:292:40:576:426:33
6:33
-0:15
40K
24.85 mi12:51:112:46:396:425:42
6:40
+0:07
25.2M
25.20 mi12:53:402:49:086:432:29
7:12
+0:32
Finish
26.22 mi13:00:112:55:396:426:31
6:24
-0:48

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

6:24 /mi

Average Pace

6:42 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:02

95% of race

Time at Steady Pace

9:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:42 /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 mi10:25:1220:406:3920:40
6:39
#5041
10K
6.21 mi10:45:5741:256:4020:45
6:41
#5056
15K
9.32 mi11:06:361:02:046:4020:39
6:39
#4867
20K
12.43 mi11:27:231:22:516:4020:47
6:41
#4709
Half
13.11 mi11:31:531:27:216:404:30
6:36
#4669
25K
15.53 mi11:48:051:43:336:4016:12
6:41
#4513
30K
18.64 mi12:09:142:04:426:4121:09
6:48
#4230
20M
20.00 mi12:18:202:13:486:419:06
6:42
#4040
21M
21.00 mi12:25:282:20:566:437:08
7:08
#3930
35K
21.75 mi12:30:252:25:536:424:57
6:37
#3871
23M
23.00 mi12:38:562:34:246:438:31
6:48
#3761
24M
24.00 mi12:45:292:40:576:426:33
6:33
#3651
40K
24.85 mi12:51:112:46:396:425:42
6:40
#3547
25.2M
25.20 mi12:53:402:49:086:432:29
7:12
#3491
Finish
26.22 mi13:00:112:55:396:426:31
6:24
#3397
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5041470747074627(Top 16%)4331(Top 27%)4331(Top 182%)
10K6.21 mi3.10 mi5056-154712-54712-55154(Top 18%)4797(Top 30%)4797(Top 201%)
15K9.32 mi3.11 mi4867+1894547+1654547+1654627(Top 16%)4331(Top 27%)4331(Top 182%)
20K12.43 mi3.11 mi4709+1584397+1504397+1504346(Top 15%)4064(Top 25%)4064(Top 170%)
Half13.11 mi0.68 mi4669+404362+354362+354380(Top 15%)4102(Top 25%)4102(Top 172%)
25K15.53 mi2.42 mi4513+1564222+1404222+1403997(Top 14%)3729(Top 23%)3729(Top 156%)
30K18.64 mi3.11 mi4230+2833960+2623960+2623493(Top 12%)3248(Top 20%)3248(Top 136%)
20M20.00 mi1.36 mi4040+1903783+1773783+1772469(Top 9%)2330(Top 14%)2330(Top 98%)
21M21.00 mi1.00 mi3930+1103683+1003683+1002847(Top 10%)2641(Top 16%)2641(Top 111%)
35K21.75 mi0.75 mi3871+593629+543629+543071(Top 11%)2826(Top 18%)2826(Top 118%)
23M23.00 mi1.25 mi3761+1103522+1073522+1072732(Top 10%)2515(Top 16%)2515(Top 105%)
24M24.00 mi1.00 mi3651+1103417+1053417+1052274(Top 8%)2106(Top 13%)2106(Top 88%)
40K24.85 mi0.85 mi3547+1043318+993318+992257(Top 8%)2072(Top 13%)2072(Top 87%)
25.2M25.20 mi0.35 mi3491+563266+523266+522190(Top 8%)1979(Top 12%)1979(Top 83%)
Finish26.22 mi1.02 mi3397+943180+863180+862311(Top 8%)2114(Top 13%)2114(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4627

Males

4331

M45-49

4331

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5154

Males

4797

M45-49

4797

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4627

Males

4331

M45-49

4331

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4346

Males

4064

M45-49

4064

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4380

Males

4102

M45-49

4102

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3997

Males

3729

M45-49

3729

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3493

Males

3248

M45-49

3248

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2469

Males

2330

M45-49

2330

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2847

Males

2641

M45-49

2641

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3071

Males

2826

M45-49

2826

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2732

Males

2515

M45-49

2515

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2274

Males

2106

M45-49

2106

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2257

Males

2072

M45-49

2072

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2190

Males

1979

M45-49

1979

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2311

Males

2114

M45-49

2114

Passing Analysis

Category:
Athletes Passed
2031
Passed By
387
Net Change
+1644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5041
5K → 10K168183-15#5041#5056
10K → 15K22940+189#5056#4867
15K → 20K20244+158#4867#4709
20K → Half466+40#4709#4669
Half → 25K18529+156#4669#4513
25K → 30K30421+283#4513#4230
30K → 20M1933+190#4230#4040
20M → 21M12515+110#4040#3930
21M → 35K667+59#3930#3871
35K → 23M12414+110#3871#3761
23M → 24M1188+110#3761#3651
24M → 40K1106+104#3651#3547
40K → 25.2M582+56#3547#3491
25.2M → Finish1039+94#3491#3397
TOTALS2031387+1644
📊

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