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BOSTON MARATHON 2025

James Bellew Jr

Bib: 26233•M

AL

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
29:57
Rank: #24654
Start → 5K
9:38/mi
29:57 split
10K· 6.21 mi
59:08
Rank: #24228 (+426)
5K → 10K
9:24/mi
29:11 split
15K· 9.32 mi
1:27:29
Rank: #23710 (+518)
10K → 15K
9:07/mi
28:21 split
20K· 12.43 mi
1:56:04
Rank: #23253 (+457)
15K → 20K
9:12/mi
28:35 split
Half· 13.11 mi
2:02:11
Rank: #23180 (+73)
20K → Half
8:58/mi
6:07 split
25K· 15.53 mi
2:25:16
Rank: #22959 (+221)
Half → 25K
9:31/mi
23:05 split
30K· 18.64 mi
2:57:34
Rank: #22870 (+89)
25K → 30K
10:24/mi
32:18 split
20M
3:13:02
Rank: #22997 (-127)
30K → 20M
11:23/mi
15:28 split
21M
3:24:38
Rank: #22989 (+8)
20M → 21M
11:36/mi
11:36 split
35K· 21.75 mi
3:33:38
Rank: #23145 (-156)
21M → 35K
12:02/mi
9:00 split
23M
3:48:25
Rank: #23280 (-135)
35K → 23M
11:48/mi
14:47 split
24M
4:00:38
Rank: #23450 (-170)
23M → 24M
12:13/mi
12:13 split
40K· 24.85 mi
4:13:16
Rank: #23787 (-337)
24M → 40K
14:47/mi
12:38 split
25.2M
4:18:33
Rank: #23911 (-124)
40K → 25.2M
15:19/mi
5:17 split
Finish· 26.22 mi
4:30:22
Rank: #24053 (-142)
25.2M → Finish
11:36/mi
11:49 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:11
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:28:11
Pace11:18 /mi
📊Positive Split: 21.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0729:579:3829:57
9:38
-
10K
6.21 mi12:18:1859:089:3129:11
9:24
-0:14
15K
9.32 mi12:46:391:27:299:2328:21
9:07
-0:17
20K
12.43 mi13:15:141:56:049:2028:35
9:12
+0:05
Half
13.11 mi13:21:212:02:119:196:07
8:58
-0:14
25K
15.53 mi13:44:262:25:169:2123:05
9:31
+0:33
30K
18.64 mi14:16:442:57:349:3232:18
10:24
+0:53
20M
20.00 mi14:32:123:13:029:3915:28
11:23
+0:59
21M
21.00 mi14:43:483:24:389:4511:36
11:36
+0:13
35K
21.75 mi14:52:483:33:389:499:00
12:02
+0:26
23M
23.00 mi15:07:353:48:259:5614:47
11:48
-0:14
24M
24.00 mi15:19:484:00:3810:0212:13
12:13
+0:25
40K
24.85 mi15:32:264:13:1610:1112:38
14:47
+2:34
25.2M
25.20 mi15:37:434:18:3310:165:17
15:19
+0:32
Finish
26.22 mi15:49:324:30:2210:1911:49
11:36
-3:43

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

8:58 /mi

Average Pace

10:19 /mi

Slowest Pace

15:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:34

66% of race

Time at Steady Pace

1:14:53

28% of race

Time at Slower Pace

17:55

7% of race

Average Pace: 10:19 /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 mi11:49:0729:579:3829:57
9:38
#24654
10K
6.21 mi12:18:1859:089:3129:11
9:24
#24228
15K
9.32 mi12:46:391:27:299:2328:21
9:07
#23710
20K
12.43 mi13:15:141:56:049:2028:35
9:12
#23253
Half
13.11 mi13:21:212:02:119:196:07
8:58
#23180
25K
15.53 mi13:44:262:25:169:2123:05
9:31
#22959
30K
18.64 mi14:16:442:57:349:3232:18
10:24
#22870
20M
20.00 mi14:32:123:13:029:3915:28
11:23
#22997
21M
21.00 mi14:43:483:24:389:4511:36
11:36
#22989
35K
21.75 mi14:52:483:33:389:499:00
12:02
#23145
23M
23.00 mi15:07:353:48:259:5614:47
11:48
#23280
24M
24.00 mi15:19:484:00:3810:0212:13
12:13
#23450
40K
24.85 mi15:32:264:13:1610:1112:38
14:47
#23787
25.2M
25.20 mi15:37:434:18:3310:165:17
15:19
#23911
Finish
26.22 mi15:49:324:30:2210:1911:49
11:36
#24053
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24654145521455222559(Top 79%)13634(Top 85%)13634(Top 683%)
10K6.21 mi3.10 mi24228+42614355+19714355+19723807(Top 84%)14172(Top 88%)14172(Top 710%)
15K9.32 mi3.11 mi23710+51814123+23214123+23222559(Top 79%)13634(Top 85%)13634(Top 683%)
20K12.43 mi3.11 mi23253+45713930+19313930+19321894(Top 77%)13307(Top 83%)13307(Top 667%)
Half13.11 mi0.68 mi23180+7313898+3213898+3221679(Top 76%)13219(Top 82%)13219(Top 662%)
25K15.53 mi2.42 mi22959+22113777+12113777+12121929(Top 77%)13259(Top 82%)13259(Top 664%)
30K18.64 mi3.11 mi22870+8913701+7613701+7622701(Top 80%)13482(Top 84%)13482(Top 675%)
20M20.00 mi1.36 mi22997-12713727-2613727-2624331(Top 86%)14138(Top 88%)14138(Top 708%)
21M21.00 mi1.00 mi22989+813707+2013707+2022813(Top 80%)13354(Top 83%)13354(Top 669%)
35K21.75 mi0.75 mi23145-15613776-6913776-6925904(Top 91%)14781(Top 92%)14781(Top 741%)
23M23.00 mi1.25 mi23280-13513804-2813804-2824778(Top 87%)14228(Top 88%)14228(Top 713%)
24M24.00 mi1.00 mi23450-17013877-7313877-7325942(Top 91%)14771(Top 92%)14771(Top 740%)
40K24.85 mi0.85 mi23787-33714012-13514012-13527664(Top 97%)15643(Top 97%)15643(Top 784%)
25.2M25.20 mi0.35 mi23911-12414072-6014072-6027338(Top 96%)15448(Top 96%)15448(Top 774%)
Finish26.22 mi1.02 mi24053-14214125-5314125-5326281(Top 93%)14920(Top 93%)14920(Top 747%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

22559

Males

13634

M50-54

13634

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23807

Males

14172

M50-54

14172

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

22559

Males

13634

M50-54

13634

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

21894

Males

13307

M50-54

13307

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21679

Males

13219

M50-54

13219

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

21929

Males

13259

M50-54

13259

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22701

Males

13482

M50-54

13482

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24331

Males

14138

M50-54

14138

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

22813

Males

13354

M50-54

13354

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25904

Males

14781

M50-54

14781

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24778

Males

14228

M50-54

14228

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

25942

Males

14771

M50-54

14771

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27664

Males

15643

M50-54

15643

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27338

Males

15448

M50-54

15448

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26281

Males

14920

M50-54

14920

Passing Analysis

Category:
Athletes Passed
2211
Passed By
1610
Net Change
+601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24654
5K → 10K48054+426#24654#24228
10K → 15K53012+518#24228#23710
15K → 20K4647+457#23710#23253
20K → Half774+73#23253#23180
Half → 25K25736+221#23180#22959
25K → 30K201112+89#22959#22870
30K → 20M47174-127#22870#22997
20M → 21M7466+8#22997#22989
21M → 35K13169-156#22989#23145
35K → 23M37172-135#23145#23280
23M → 24M15185-170#23280#23450
24M → 40K1338-337#23450#23787
40K → 25.2M2126-124#23787#23911
25.2M → Finish13155-142#23911#24053
TOTALS22111610+601
📊

Passing Visuals

Category:
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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