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BOSTON MARATHON 2025

Jon Bell

Bib: 3176•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #5689
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:38
Rank: #5364 (+325)
5K → 10K
20:44 | 6:40/mi
15K· 9.32 mi
1:02:16
Rank: #5068 (+296)
10K → 15K
20:38 | 6:38/mi
20K· 12.43 mi
1:22:58
Rank: #4793 (+275)
15K → 20K
20:42 | 6:40/mi
Half· 13.11 mi
1:27:31
Rank: #4788 (+5)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:45
Rank: #4616 (+172)
Half → 25K
16:14 | 6:42/mi
30K· 18.64 mi
2:04:55
Rank: #4331 (+285)
25K → 30K
21:10 | 6:49/mi
20M
2:14:24
Rank: #4266 (+65)
30K → 20M
9:29 | 6:59/mi
21M
2:21:42
Rank: #4187 (+79)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:28:52
Rank: #4931 (-744)
21M → 35K
7:10 | 9:35/mi
23M
2:37:39
Rank: #4830 (+101)
35K → 23M
8:47 | 7:01/mi
24M
2:44:30
Rank: #4751 (+79)
23M → 24M
6:51 | 6:51/mi
40K· 24.85 mi
2:50:26
Rank: #4679 (+72)
24M → 40K
5:56 | 6:56/mi
25.2M
2:52:57
Rank: #4629 (+50)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:59:44
Rank: #4605 (+24)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:31
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:32:13
Pace7:02 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0720:546:4420:54
6:44
-
10K
6.21 mi10:46:5141:386:4220:44
6:40
-0:04
15K
9.32 mi11:07:291:02:166:4120:38
6:38
-0:02
20K
12.43 mi11:28:111:22:586:4120:42
6:40
+0:02
Half
13.11 mi11:32:441:27:316:414:33
6:40
0:00
25K
15.53 mi11:48:581:43:456:4116:14
6:42
+0:02
30K
18.64 mi12:10:082:04:556:4221:10
6:49
+0:07
20M
20.00 mi12:19:372:14:246:439:29
6:59
+0:10
21M
21.00 mi12:26:552:21:426:457:18
7:18
+0:19
35K
21.75 mi12:34:052:28:526:517:10
9:35
+2:17
23M
23.00 mi12:42:522:37:396:518:47
7:01
-2:34
24M
24.00 mi12:49:432:44:306:516:51
6:51
-0:10
40K
24.85 mi12:55:392:50:266:515:56
6:56
+0:05
25.2M
25.20 mi12:58:102:52:576:522:31
7:18
+0:22
Finish
26.22 mi13:04:572:59:446:526:47
6:39
-0:39

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

6:38 /mi

Average Pace

6:52 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:42:45

91% of race

Time at Slower Pace

16:59

9% of race

Average Pace: 6:51 /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 mi10:26:0720:546:4420:54
6:44
#5689
10K
6.21 mi10:46:5141:386:4220:44
6:40
#5364
15K
9.32 mi11:07:291:02:166:4120:38
6:38
#5068
20K
12.43 mi11:28:111:22:586:4120:42
6:40
#4793
Half
13.11 mi11:32:441:27:316:414:33
6:40
#4788
25K
15.53 mi11:48:581:43:456:4116:14
6:42
#4616
30K
18.64 mi12:10:082:04:556:4221:10
6:49
#4331
20M
20.00 mi12:19:372:14:246:439:29
6:59
#4266
21M
21.00 mi12:26:552:21:426:457:18
7:18
#4187
35K
21.75 mi12:34:052:28:526:517:10
9:35
#4931
23M
23.00 mi12:42:522:37:396:518:47
7:01
#4830
24M
24.00 mi12:49:432:44:306:516:51
6:51
#4751
40K
24.85 mi12:55:392:50:266:515:56
6:56
#4679
25.2M
25.20 mi12:58:102:52:576:522:31
7:18
#4629
Finish
26.22 mi13:04:572:59:446:526:47
6:39
#4605
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5689525652564597(Top 16%)4304(Top 27%)4304(Top 76%)
10K6.21 mi3.10 mi5364+3254972+2844972+2845104(Top 18%)4756(Top 30%)4756(Top 84%)
15K9.32 mi3.11 mi5068+2964720+2524720+2524597(Top 16%)4304(Top 27%)4304(Top 76%)
20K12.43 mi3.11 mi4793+2754472+2484472+2484122(Top 15%)3867(Top 24%)3867(Top 69%)
Half13.11 mi0.68 mi4788+54465+74465+75042(Top 18%)4671(Top 29%)4671(Top 83%)
25K15.53 mi2.42 mi4616+1724308+1574308+1574105(Top 14%)3827(Top 24%)3827(Top 68%)
30K18.64 mi3.11 mi4331+2854051+2574051+2573538(Top 12%)3286(Top 20%)3286(Top 58%)
20M20.00 mi1.36 mi4266+653989+623989+624005(Top 14%)3673(Top 23%)3673(Top 65%)
21M21.00 mi1.00 mi4187+793908+813908+813642(Top 13%)3331(Top 21%)3331(Top 59%)
35K21.75 mi0.75 mi4931-7444534-6264534-62620573(Top 72%)12232(Top 76%)12232(Top 217%)
23M23.00 mi1.25 mi4830+1014441+934441+933860(Top 14%)3473(Top 22%)3473(Top 62%)
24M24.00 mi1.00 mi4751+794365+764365+763827(Top 13%)3401(Top 21%)3401(Top 60%)
40K24.85 mi0.85 mi4679+724297+684297+683594(Top 13%)3190(Top 20%)3190(Top 57%)
25.2M25.20 mi0.35 mi4629+504250+474250+472589(Top 9%)2323(Top 14%)2323(Top 41%)
Finish26.22 mi1.02 mi4605+244223+274223+273657(Top 13%)3183(Top 20%)3183(Top 56%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4597

Males

4304

M18-39

4304

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5104

Males

4756

M18-39

4756

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4597

Males

4304

M18-39

4304

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4122

Males

3867

M18-39

3867

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5042

Males

4671

M18-39

4671

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4105

Males

3827

M18-39

3827

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3538

Males

3286

M18-39

3286

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4005

Males

3673

M18-39

3673

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3642

Males

3331

M18-39

3331

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

20573

Males

12232

M18-39

12232

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3860

Males

3473

M18-39

3473

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3827

Males

3401

M18-39

3401

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3594

Males

3190

M18-39

3190

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2589

Males

2323

M18-39

2323

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3657

Males

3183

M18-39

3183

Passing Analysis

Category:
Athletes Passed
2184
Passed By
1100
Net Change
+1084
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5689
5K → 10K38964+325#5689#5364
10K → 15K33236+296#5364#5068
15K → 20K29116+275#5068#4793
20K → Half2520+5#4793#4788
Half → 25K19826+172#4788#4616
25K → 30K30520+285#4616#4331
30K → 20M10136+65#4331#4266
20M → 21M10425+79#4266#4187
21M → 35K4748-744#4187#4931
35K → 23M13231+101#4931#4830
23M → 24M9718+79#4830#4751
24M → 40K9422+72#4751#4679
40K → 25.2M544+50#4679#4629
25.2M → Finish5834+24#4629#4605
TOTALS21841100+1084
📊

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