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BOSTON MARATHON 2025

Mike Bonarski

Bib: 2312•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:07
Rank: #1621
Start → 5K
19:07 | 6:09/mi
10K· 6.21 mi
37:54
Rank: #1422 (+199)
5K → 10K
18:47 | 6:03/mi
15K· 9.32 mi
56:45
Rank: #1350 (+72)
10K → 15K
18:51 | 6:04/mi
20K· 12.43 mi
1:15:38
Rank: #1262 (+88)
15K → 20K
18:53 | 6:05/mi
Half· 13.11 mi
1:19:42
Rank: #1244 (+18)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:34:26
Rank: #1193 (+51)
Half → 25K
14:44 | 6:05/mi
30K· 18.64 mi
1:53:23
Rank: #1071 (+122)
25K → 30K
18:57 | 6:06/mi
20M
2:01:44
Rank: #999 (+72)
30K → 20M
8:21 | 6:09/mi
21M
2:08:06
Rank: #943 (+56)
20M → 21M
6:22 | 6:22/mi
35K· 21.75 mi
2:12:34
Rank: #906 (+37)
21M → 35K
4:28 | 5:58/mi
23M
2:20:16
Rank: #869 (+37)
35K → 23M
7:42 | 6:09/mi
24M
2:26:19
Rank: #841 (+28)
23M → 24M
6:03 | 6:03/mi
40K· 24.85 mi
2:31:35
Rank: #819 (+22)
24M → 40K
5:16 | 6:10/mi
25.2M
2:33:51
Rank: #810 (+9)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:39:49
Rank: #787 (+23)
25.2M → Finish
5:58 | 5:51/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:19:42
Pace6:05 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:20:07
Pace6:07 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0819:076:0919:07
6:09
-
10K
6.21 mi10:38:5537:546:0618:47
6:03
-0:06
15K
9.32 mi10:57:4656:456:0518:51
6:04
+0:01
20K
12.43 mi11:16:391:15:386:0518:53
6:05
+0:01
Half
13.11 mi11:20:431:19:426:054:04
5:58
-0:07
25K
15.53 mi11:35:271:34:266:0514:44
6:05
+0:07
30K
18.64 mi11:54:241:53:236:0518:57
6:06
+0:01
20M
20.00 mi12:02:452:01:446:058:21
6:09
+0:03
21M
21.00 mi12:09:072:08:066:066:22
6:22
+0:13
35K
21.75 mi12:13:352:12:346:064:28
5:58
-0:24
23M
23.00 mi12:21:172:20:166:067:42
6:09
+0:11
24M
24.00 mi12:27:202:26:196:066:03
6:03
-0:06
40K
24.85 mi12:32:362:31:356:065:16
6:10
+0:07
25.2M
25.20 mi12:34:522:33:516:062:16
6:34
+0:24
Finish
26.22 mi12:40:502:39:496:065:58
5:51
-0:43

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

5:51 /mi

Average Pace

6:06 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:33

99% of race

Time at Steady Pace

2:16

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:06 /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 mi10:20:0819:076:0919:07
6:09
#1621
10K
6.21 mi10:38:5537:546:0618:47
6:03
#1422
15K
9.32 mi10:57:4656:456:0518:51
6:04
#1350
20K
12.43 mi11:16:391:15:386:0518:53
6:05
#1262
Half
13.11 mi11:20:431:19:426:054:04
5:58
#1244
25K
15.53 mi11:35:271:34:266:0514:44
6:05
#1193
30K
18.64 mi11:54:241:53:236:0518:57
6:06
#1071
20M
20.00 mi12:02:452:01:446:058:21
6:09
#999
21M
21.00 mi12:09:072:08:066:066:22
6:22
#943
35K
21.75 mi12:13:352:12:346:064:28
5:58
#906
23M
23.00 mi12:21:172:20:166:067:42
6:09
#869
24M
24.00 mi12:27:202:26:196:066:03
6:03
#841
40K
24.85 mi12:32:362:31:356:065:16
6:10
#819
25.2M
25.20 mi12:34:522:33:516:062:16
6:34
#810
Finish
26.22 mi12:40:502:39:496:065:58
5:51
#787
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1621153915391250(Top 4%)1186(Top 7%)1186(Top 21%)
10K6.21 mi3.10 mi1422+1991352+1871352+1871251(Top 4%)1186(Top 7%)1186(Top 21%)
15K9.32 mi3.11 mi1350+721283+691283+691250(Top 4%)1186(Top 7%)1186(Top 21%)
20K12.43 mi3.11 mi1262+881194+891194+891084(Top 4%)1022(Top 6%)1022(Top 18%)
Half13.11 mi0.68 mi1244+181176+181176+18995(Top 4%)942(Top 6%)942(Top 17%)
25K15.53 mi2.42 mi1193+511127+491127+491009(Top 4%)952(Top 6%)952(Top 17%)
30K18.64 mi3.11 mi1071+1221009+1181009+118682(Top 2%)638(Top 4%)638(Top 11%)
20M20.00 mi1.36 mi999+72940+69940+69611(Top 2%)574(Top 4%)574(Top 10%)
21M21.00 mi1.00 mi943+56888+52888+52461(Top 2%)435(Top 3%)435(Top 8%)
35K21.75 mi0.75 mi906+37851+37851+37669(Top 2%)626(Top 4%)626(Top 11%)
23M23.00 mi1.25 mi869+37815+36815+36573(Top 2%)540(Top 3%)540(Top 10%)
24M24.00 mi1.00 mi841+28788+27788+27668(Top 2%)626(Top 4%)626(Top 11%)
40K24.85 mi0.85 mi819+22767+21767+21652(Top 2%)608(Top 4%)608(Top 11%)
25.2M25.20 mi0.35 mi810+9758+9758+9557(Top 2%)517(Top 3%)517(Top 9%)
Finish26.22 mi1.02 mi787+23734+24734+24603(Top 2%)565(Top 4%)565(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1250

Males

1186

M18-39

1186

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1251

Males

1186

M18-39

1186

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1250

Males

1186

M18-39

1186

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1084

Males

1022

M18-39

1022

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

995

Males

942

M18-39

942

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1009

Males

952

M18-39

952

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

682

Males

638

M18-39

638

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

611

Males

574

M18-39

574

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

461

Males

435

M18-39

435

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

669

Males

626

M18-39

626

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

573

Males

540

M18-39

540

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

668

Males

626

M18-39

626

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

652

Males

608

M18-39

608

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

557

Males

517

M18-39

517

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

603

Males

565

M18-39

565

Passing Analysis

Category:
Athletes Passed
920
Passed By
86
Net Change
+834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1621
5K → 10K21112+199#1621#1422
10K → 15K9018+72#1422#1350
15K → 20K10416+88#1350#1262
20K → Half224+18#1262#1244
Half → 25K6110+51#1244#1193
25K → 30K1275+122#1193#1071
30K → 20M731+72#1071#999
20M → 21M571+56#999#943
21M → 35K403+37#943#906
35K → 23M392+37#906#869
23M → 24M324+28#869#841
24M → 40K242+22#841#819
40K → 25.2M112+9#819#810
25.2M → Finish296+23#810#787
TOTALS92086+834
📊

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