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BOSTON MARATHON 2025

Bart Staels

Bib: 28685•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:51
Rank: #22262
Start → 5K
27:51 | 8:58/mi
10K· 6.21 mi
55:20
Rank: #21978 (+284)
5K → 10K
27:29 | 8:51/mi
15K· 9.32 mi
1:23:31
Rank: #22124 (-146)
10K → 15K
28:11 | 9:04/mi
20K· 12.43 mi
1:52:11
Rank: #22048 (+76)
15K → 20K
28:40 | 9:14/mi
Half· 13.11 mi
1:58:27
Rank: #22080 (-32)
20K → Half
6:16 | 9:11/mi
25K· 15.53 mi
2:21:06
Rank: #21941 (+139)
Half → 25K
22:39 | 9:21/mi
30K· 18.64 mi
2:51:56
Rank: #21865 (+76)
25K → 30K
30:50 | 9:55/mi
20M
3:07:26
Rank: #22152 (-287)
30K → 20M
15:30 | 11:24/mi
21M
3:20:36
Rank: #22413 (-261)
20M → 21M
13:10 | 13:10/mi
35K· 21.75 mi
3:28:23
Rank: #22431 (-18)
21M → 35K
7:47 | 10:24/mi
23M
3:43:04
Rank: #22587 (-156)
35K → 23M
14:41 | 11:44/mi
24M
3:54:07
Rank: #22651 (-64)
23M → 24M
11:03 | 11:03/mi
40K· 24.85 mi
4:03:51
Rank: #22695 (-44)
24M → 40K
9:44 | 11:23/mi
25.2M
4:07:28
Rank: #22652 (+43)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:17:29
Rank: #22652
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:27
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:19:02
Pace10:36 /mi
📊Positive Split: 17.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5827:518:5827:51
8:58
-
10K
6.21 mi12:12:2755:208:5427:29
8:51
-0:07
15K
9.32 mi12:40:381:23:318:5828:11
9:04
+0:13
20K
12.43 mi13:09:181:52:119:0228:40
9:14
+0:10
Half
13.11 mi13:15:341:58:279:026:16
9:11
-0:03
25K
15.53 mi13:38:132:21:069:0522:39
9:21
+0:10
30K
18.64 mi14:09:032:51:569:1330:50
9:55
+0:34
20M
20.00 mi14:24:333:07:269:2215:30
11:24
+1:29
21M
21.00 mi14:37:433:20:369:3313:10
13:10
+1:46
35K
21.75 mi14:45:303:28:239:357:47
10:24
-2:46
23M
23.00 mi15:00:113:43:049:4214:41
11:44
+1:20
24M
24.00 mi15:11:143:54:079:4511:03
11:03
-0:41
40K
24.85 mi15:20:584:03:519:499:44
11:23
+0:20
25.2M
25.20 mi15:24:354:07:289:493:37
10:29
-0:54
Finish
26.22 mi15:34:364:17:299:5010:01
9:50
-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

8:51 /mi

Average Pace

9:50 /mi

Slowest Pace

13:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:27

46% of race

Time at Steady Pace

1:14:54

29% of race

Time at Slower Pace

1:04:08

25% of race

Average Pace: 9:49 /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 mi11:44:5827:518:5827:51
8:58
#22262
10K
6.21 mi12:12:2755:208:5427:29
8:51
#21978
15K
9.32 mi12:40:381:23:318:5828:11
9:04
#22124
20K
12.43 mi13:09:181:52:119:0228:40
9:14
#22048
Half
13.11 mi13:15:341:58:279:026:16
9:11
#22080
25K
15.53 mi13:38:132:21:069:0522:39
9:21
#21941
30K
18.64 mi14:09:032:51:569:1330:50
9:55
#21865
20M
20.00 mi14:24:333:07:269:2215:30
11:24
#22152
21M
21.00 mi14:37:433:20:369:3313:10
13:10
#22413
35K
21.75 mi14:45:303:28:239:357:47
10:24
#22431
23M
23.00 mi15:00:113:43:049:4214:41
11:44
#22587
24M
24.00 mi15:11:143:54:079:4511:03
11:03
#22651
40K
24.85 mi15:20:584:03:519:499:44
11:23
#22695
25.2M
25.20 mi15:24:354:07:289:493:37
10:29
#22652
Finish
26.22 mi15:34:364:17:299:5010:01
9:50
#22652
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi22262134281342822331(Top 79%)13525(Top 84%)13525(Top 602%)
10K6.21 mi3.10 mi21978+28413320+10813320+10821620(Top 76%)13182(Top 82%)13182(Top 587%)
15K9.32 mi3.11 mi22124-14613400-8013400-8022331(Top 79%)13525(Top 84%)13525(Top 602%)
20K12.43 mi3.11 mi22048+7613366+3413366+3421994(Top 77%)13360(Top 83%)13360(Top 595%)
Half13.11 mi0.68 mi22080-3213377-1113377-1122518(Top 79%)13564(Top 84%)13564(Top 604%)
25K15.53 mi2.42 mi21941+13913311+6613311+6621333(Top 75%)13007(Top 81%)13007(Top 579%)
30K18.64 mi3.11 mi21865+7613257+5413257+5421376(Top 75%)12882(Top 80%)12882(Top 573%)
20M20.00 mi1.36 mi22152-28713368-11113368-11124382(Top 86%)14160(Top 88%)14160(Top 630%)
21M21.00 mi1.00 mi22413-26113456-8813456-8825266(Top 89%)14496(Top 90%)14496(Top 645%)
35K21.75 mi0.75 mi22431-1813448+813448+822951(Top 81%)13362(Top 83%)13362(Top 595%)
23M23.00 mi1.25 mi22587-15613489-4113489-4124635(Top 87%)14160(Top 88%)14160(Top 630%)
24M24.00 mi1.00 mi22651-64134891348924085(Top 85%)13865(Top 86%)13865(Top 617%)
40K24.85 mi0.85 mi22695-4413500-1113500-1123924(Top 84%)13733(Top 85%)13733(Top 611%)
25.2M25.20 mi0.35 mi22652+4313465+3513465+3518950(Top 67%)11305(Top 70%)11305(Top 503%)
Finish26.22 mi1.02 mi2265213450+1513450+1522378(Top 79%)12961(Top 80%)12961(Top 577%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22331

Males

13525

M40-44

13525

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21620

Males

13182

M40-44

13182

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22331

Males

13525

M40-44

13525

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21994

Males

13360

M40-44

13360

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

22518

Males

13564

M40-44

13564

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

21333

Males

13007

M40-44

13007

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21376

Males

12882

M40-44

12882

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24382

Males

14160

M40-44

14160

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25266

Males

14496

M40-44

14496

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22951

Males

13362

M40-44

13362

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24635

Males

14160

M40-44

14160

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24085

Males

13865

M40-44

13865

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23924

Males

13733

M40-44

13733

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18950

Males

11305

M40-44

11305

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22378

Males

12961

M40-44

12961

Passing Analysis

Category:
Athletes Passed
1546
Passed By
1936
Net Change
-390
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22262
5K → 10K428144+284#22262#21978
10K → 15K144290-146#21978#22124
15K → 20K218142+76#22124#22048
20K → Half2153-32#22048#22080
Half → 25K20970+139#22080#21941
25K → 30K235159+76#21941#21865
30K → 20M34321-287#21865#22152
20M → 21M29290-261#22152#22413
21M → 35K3856-18#22413#22431
35K → 23M31187-156#22431#22587
23M → 24M39103-64#22587#22651
24M → 40K2872-44#22651#22695
40K → 25.2M496+43#22695#22652
25.2M → Finish43430#22652#22652
TOTALS15461936-390
📊

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