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BOSTON MARATHON 2025

James Stumpff

Bib: 24672•M

KS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:01
Rank: #22477
Start → 5K
28:01 | 9:01/mi
10K· 6.21 mi
56:01
Rank: #22486 (-9)
5K → 10K
28:00 | 9:01/mi
15K· 9.32 mi
1:23:31
Rank: #22121 (+365)
10K → 15K
27:30 | 8:51/mi
20K· 12.43 mi
1:52:29
Rank: #22162 (-41)
15K → 20K
28:58 | 9:19/mi
Half· 13.11 mi
1:58:31
Rank: #22107 (+55)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:20:39
Rank: #21803 (+304)
Half → 25K
22:08 | 9:08/mi
30K· 18.64 mi
2:50:26
Rank: #21503 (+300)
25K → 30K
29:47 | 9:35/mi
20M
3:03:02
Rank: #21248 (+255)
30K → 20M
12:36 | 9:16/mi
21M
3:12:46
Rank: #21018 (+230)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
3:19:23
Rank: #20891 (+127)
21M → 35K
6:37 | 8:51/mi
23M
3:30:54
Rank: #20687 (+204)
35K → 23M
11:31 | 9:12/mi
24M
3:39:46
Rank: #20536 (+151)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:47:31
Rank: #20419 (+117)
24M → 40K
7:45 | 9:04/mi
25.2M
3:50:58
Rank: #20388 (+31)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:59:34
Rank: #20270 (+118)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:31
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:01:03
Pace9:14 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2528:019:0128:01
9:01
-
10K
6.21 mi11:56:2556:019:0128:00
9:01
0:00
15K
9.32 mi12:23:551:23:318:5827:30
8:51
-0:10
20K
12.43 mi12:52:531:52:299:0328:58
9:19
+0:28
Half
13.11 mi12:58:551:58:319:026:02
8:51
-0:28
25K
15.53 mi13:21:032:20:399:0322:08
9:08
+0:17
30K
18.64 mi13:50:502:50:269:0929:47
9:35
+0:27
20M
20.00 mi14:03:263:03:029:0912:36
9:16
-0:19
21M
21.00 mi14:13:103:12:469:119:44
9:44
+0:28
35K
21.75 mi14:19:473:19:239:106:37
8:51
-0:53
23M
23.00 mi14:31:183:30:549:1011:31
9:12
+0:21
24M
24.00 mi14:40:103:39:469:098:52
8:52
-0:20
40K
24.85 mi14:47:553:47:319:097:45
9:04
+0:12
25.2M
25.20 mi14:51:223:50:589:103:27
10:00
+0:56
Finish
26.22 mi14:59:583:59:349:098:36
8:26
-1:34

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

8:26 /mi

Average Pace

9:09 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:38

70% of race

Time at Steady Pace

1:08:29

29% of race

Time at Slower Pace

3:27

1% of race

Average Pace: 9:08 /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 mi11:28:2528:019:0128:01
9:01
#22477
10K
6.21 mi11:56:2556:019:0128:00
9:01
#22486
15K
9.32 mi12:23:551:23:318:5827:30
8:51
#22121
20K
12.43 mi12:52:531:52:299:0328:58
9:19
#22162
Half
13.11 mi12:58:551:58:319:026:02
8:51
#22107
25K
15.53 mi13:21:032:20:399:0322:08
9:08
#21803
30K
18.64 mi13:50:502:50:269:0929:47
9:35
#21503
20M
20.00 mi14:03:263:03:029:0912:36
9:16
#21248
21M
21.00 mi14:13:103:12:469:119:44
9:44
#21018
35K
21.75 mi14:19:473:19:239:106:37
8:51
#20891
23M
23.00 mi14:31:183:30:549:1011:31
9:12
#20687
24M
24.00 mi14:40:103:39:469:098:52
8:52
#20536
40K
24.85 mi14:47:553:47:319:097:45
9:04
#20419
25.2M
25.20 mi14:51:223:50:589:103:27
10:00
#20388
Finish
26.22 mi14:59:583:59:349:098:36
8:26
#20270
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi22477135221352221283(Top 75%)13068(Top 81%)13068(Top 2045%)
10K6.21 mi3.10 mi22486-913542-2013542-2022425(Top 79%)13534(Top 84%)13534(Top 2118%)
15K9.32 mi3.11 mi22121+36513397+14513397+14521283(Top 75%)13068(Top 81%)13068(Top 2045%)
20K12.43 mi3.11 mi22162-4113416-1913416-1922339(Top 79%)13502(Top 84%)13502(Top 2113%)
Half13.11 mi0.68 mi22107+5513393+2313393+2321083(Top 74%)12933(Top 80%)12933(Top 2024%)
25K15.53 mi2.42 mi21803+30413243+15013243+15020474(Top 72%)12625(Top 78%)12625(Top 1976%)
30K18.64 mi3.11 mi21503+30013085+15813085+15820292(Top 71%)12421(Top 77%)12421(Top 1944%)
20M20.00 mi1.36 mi21248+25512945+14012945+14018153(Top 64%)11308(Top 70%)11308(Top 1770%)
21M21.00 mi1.00 mi21018+23012831+11412831+11417183(Top 60%)10779(Top 67%)10779(Top 1687%)
35K21.75 mi0.75 mi20891+12712757+7412757+7417474(Top 62%)10824(Top 67%)10824(Top 1694%)
23M23.00 mi1.25 mi20687+20412638+11912638+11917314(Top 61%)10660(Top 66%)10660(Top 1668%)
24M24.00 mi1.00 mi20536+15112562+7612562+7616666(Top 59%)10331(Top 64%)10331(Top 1617%)
40K24.85 mi0.85 mi20419+11712487+7512487+7516684(Top 59%)10236(Top 64%)10236(Top 1602%)
25.2M25.20 mi0.35 mi20388+3112466+2112466+2117036(Top 60%)10401(Top 65%)10401(Top 1628%)
Finish26.22 mi1.02 mi20270+11812395+7112395+7115832(Top 56%)9868(Top 61%)9868(Top 1544%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21283

Males

13068

M65-69

13068

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22425

Males

13534

M65-69

13534

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21283

Males

13068

M65-69

13068

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22339

Males

13502

M65-69

13502

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21083

Males

12933

M65-69

12933

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20474

Males

12625

M65-69

12625

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20292

Males

12421

M65-69

12421

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18153

Males

11308

M65-69

11308

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17183

Males

10779

M65-69

10779

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17474

Males

10824

M65-69

10824

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17314

Males

10660

M65-69

10660

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16666

Males

10331

M65-69

10331

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16684

Males

10236

M65-69

10236

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17036

Males

10401

M65-69

10401

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15832

Males

9868

M65-69

9868

Passing Analysis

Category:
Athletes Passed
2883
Passed By
676
Net Change
+2207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22477
5K → 10K245254-9#22477#22486
10K → 15K41045+365#22486#22121
15K → 20K170211-41#22121#22162
20K → Half6611+55#22162#22107
Half → 25K32218+304#22107#21803
25K → 30K35959+300#21803#21503
30K → 20M2583+255#21503#21248
20M → 21M2388+230#21248#21018
21M → 35K1347+127#21018#20891
35K → 23M21612+204#20891#20687
23M → 24M1598+151#20687#20536
24M → 40K12811+117#20536#20419
40K → 25.2M4615+31#20419#20388
25.2M → Finish13214+118#20388#20270
TOTALS2883676+2207
📊

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