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BOSTON MARATHON 2025

Jim David

Bib: 17989•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:35
Rank: #18318
Start → 5K
8:14/mi
25:35 split
10K· 6.21 mi
51:01
Rank: #18045 (+273)
5K → 10K
8:11/mi
25:26 split
15K· 9.32 mi
1:16:12
Rank: #17601 (+444)
10K → 15K
8:06/mi
25:11 split
20K· 12.43 mi
1:42:02
Rank: #17407 (+194)
15K → 20K
8:19/mi
25:50 split
Half· 13.11 mi
1:47:44
Rank: #17448 (-41)
20K → Half
8:21/mi
5:42 split
25K· 15.53 mi
2:08:44
Rank: #17515 (-67)
Half → 25K
8:40/mi
21:00 split
30K· 18.64 mi
2:36:46
Rank: #17533 (-18)
25K → 30K
9:01/mi
28:02 split
20M
2:50:08
Rank: #17826 (-293)
30K → 20M
9:50/mi
13:22 split
21M
2:59:55
Rank: #17804 (+22)
20M → 21M
9:47/mi
9:47 split
35K· 21.75 mi
3:06:59
Rank: #17917 (-113)
21M → 35K
9:27/mi
7:04 split
23M
3:19:28
Rank: #18117 (-200)
35K → 23M
9:58/mi
12:29 split
24M
3:30:09
Rank: #18505 (-388)
23M → 24M
10:41/mi
10:41 split
40K· 24.85 mi
3:40:37
Rank: #19020 (-515)
24M → 40K
12:14/mi
10:28 split
25.2M
3:44:34
Rank: #19096 (-76)
40K → 25.2M
11:27/mi
3:57 split
Finish· 26.22 mi
3:54:32
Rank: #19252 (-156)
25.2M → Finish
9:47/mi
9:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:44
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time2:06:48
Pace9:40 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5825:358:1425:35
8:14
-
10K
6.21 mi11:41:2451:018:1325:26
8:11
-0:03
15K
9.32 mi12:06:351:16:128:1125:11
8:06
-0:05
20K
12.43 mi12:32:251:42:028:1325:50
8:19
+0:13
Half
13.11 mi12:38:071:47:448:135:42
8:21
+0:02
25K
15.53 mi12:59:072:08:448:1721:00
8:40
+0:19
30K
18.64 mi13:27:092:36:468:2528:02
9:01
+0:21
20M
20.00 mi13:40:312:50:088:3013:22
9:50
+0:49
21M
21.00 mi13:50:182:59:558:349:47
9:47
-0:03
35K
21.75 mi13:57:223:06:598:367:04
9:27
-0:20
23M
23.00 mi14:09:513:19:288:4012:29
9:58
+0:31
24M
24.00 mi14:20:323:30:098:4510:41
10:41
+0:43
40K
24.85 mi14:31:003:40:378:5310:28
12:14
+1:33
25.2M
25.20 mi14:34:573:44:348:553:57
11:27
-0:47
Finish
26.22 mi14:44:553:54:328:579:58
9:47
-1:40

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

8:06 /mi

Average Pace

8:57 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:44

55% of race

Time at Steady Pace

1:20:42

34% of race

Time at Slower Pace

25:06

11% of race

Average Pace: 8:57 /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 mi11:15:5825:358:1425:35
8:14
#18318
10K
6.21 mi11:41:2451:018:1325:26
8:11
#18045
15K
9.32 mi12:06:351:16:128:1125:11
8:06
#17601
20K
12.43 mi12:32:251:42:028:1325:50
8:19
#17407
Half
13.11 mi12:38:071:47:448:135:42
8:21
#17448
25K
15.53 mi12:59:072:08:448:1721:00
8:40
#17515
30K
18.64 mi13:27:092:36:468:2528:02
9:01
#17533
20M
20.00 mi13:40:312:50:088:3013:22
9:50
#17826
21M
21.00 mi13:50:182:59:558:349:47
9:47
#17804
35K
21.75 mi13:57:223:06:598:367:04
9:27
#17917
23M
23.00 mi14:09:513:19:288:4012:29
9:58
#18117
24M
24.00 mi14:20:323:30:098:4510:41
10:41
#18505
40K
24.85 mi14:31:003:40:378:5310:28
12:14
#19020
25.2M
25.20 mi14:34:573:44:348:553:57
11:27
#19096
Finish
26.22 mi14:44:553:54:328:579:58
9:47
#19252
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18318117301173016767(Top 59%)11127(Top 69%)11127(Top 675%)
10K6.21 mi3.10 mi18045+27311635+9511635+9517784(Top 63%)11566(Top 72%)11566(Top 702%)
15K9.32 mi3.11 mi17601+44411471+16411471+16416767(Top 59%)11127(Top 69%)11127(Top 675%)
20K12.43 mi3.11 mi17407+19411380+9111380+9117008(Top 60%)11183(Top 69%)11183(Top 679%)
Half13.11 mi0.68 mi17448-4111394-1411394-1418272(Top 64%)11750(Top 73%)11750(Top 713%)
25K15.53 mi2.42 mi17515-6711397-311397-318152(Top 64%)11597(Top 72%)11597(Top 704%)
30K18.64 mi3.11 mi17533-1811343+5411343+5417805(Top 63%)11285(Top 70%)11285(Top 685%)
20M20.00 mi1.36 mi17826-29311447-10411447-10420398(Top 72%)12323(Top 77%)12323(Top 748%)
21M21.00 mi1.00 mi17804+2211428+1911428+1917390(Top 61%)10874(Top 68%)10874(Top 660%)
35K21.75 mi0.75 mi17917-11311474-4611474-4620120(Top 71%)12023(Top 75%)12023(Top 730%)
23M23.00 mi1.25 mi18117-20011504-3011504-3020377(Top 72%)12092(Top 75%)12092(Top 734%)
24M24.00 mi1.00 mi18505-38811660-15611660-15623264(Top 82%)13435(Top 83%)13435(Top 815%)
40K24.85 mi0.85 mi19020-51511858-19811858-19825293(Top 89%)14411(Top 89%)14411(Top 874%)
25.2M25.20 mi0.35 mi19096-7611880-2211880-2221899(Top 77%)12730(Top 79%)12730(Top 772%)
Finish26.22 mi1.02 mi19252-15611924-4411924-4422182(Top 78%)12865(Top 80%)12865(Top 781%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

16767

Males

11127

M55-59

11127

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17784

Males

11566

M55-59

11566

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

16767

Males

11127

M55-59

11127

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17008

Males

11183

M55-59

11183

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18272

Males

11750

M55-59

11750

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

18152

Males

11597

M55-59

11597

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17805

Males

11285

M55-59

11285

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

20398

Males

12323

M55-59

12323

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17390

Males

10874

M55-59

10874

21M→35K

21.0 - 21.8 mi

Top 71%
×7story building
+17ft-86ft

Overall

20120

Males

12023

M55-59

12023

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

20377

Males

12092

M55-59

12092

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

23264

Males

13435

M55-59

13435

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25293

Males

14411

M55-59

14411

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21899

Males

12730

M55-59

12730

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

22182

Males

12865

M55-59

12865

Passing Analysis

Category:
Athletes Passed
1920
Passed By
2854
Net Change
-934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18318
5K → 10K423150+273#18318#18045
10K → 15K48844+444#18045#17601
15K → 20K28288+194#17601#17407
20K → Half1960-41#17407#17448
Half → 25K152219-67#17448#17515
25K → 30K218236-18#17515#17533
30K → 20M61354-293#17533#17826
20M → 21M11189+22#17826#17804
21M → 35K41154-113#17804#17917
35K → 23M56256-200#17917#18117
23M → 24M24412-388#18117#18505
24M → 40K13528-515#18505#19020
40K → 25.2M1288-76#19020#19096
25.2M → Finish20176-156#19096#19252
TOTALS19202854-934
📊

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