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BOSTON MARATHON 2025

Jonathan Stein

Bib: 27265•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 (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:52
Rank: #23528
Start → 5K
9:17/mi
28:52 split
10K· 6.21 mi
57:09
Rank: #23192 (+336)
5K → 10K
9:06/mi
28:17 split
15K· 9.32 mi
1:26:19
Rank: #23314 (-122)
10K → 15K
9:23/mi
29:10 split
20K· 12.43 mi
1:56:32
Rank: #23378 (-64)
15K → 20K
9:44/mi
30:13 split
Half· 13.11 mi
2:03:04
Rank: #23402 (-24)
20K → Half
9:35/mi
6:32 split
25K· 15.53 mi
2:28:01
Rank: #23500 (-98)
Half → 25K
10:17/mi
24:57 split
30K· 18.64 mi
3:02:03
Rank: #23576 (-76)
25K → 30K
10:57/mi
34:02 split
20M
3:16:49
Rank: #23554 (+22)
30K → 20M
10:52/mi
14:46 split
21M
3:29:26
Rank: #23642 (-88)
20M → 21M
12:37/mi
12:37 split
35K· 21.75 mi
3:36:50
Rank: #23571 (+71)
21M → 35K
9:53/mi
7:24 split
23M
3:50:36
Rank: #23542 (+29)
35K → 23M
11:00/mi
13:46 split
24M
4:01:22
Rank: #23540 (+2)
23M → 24M
10:46/mi
10:46 split
40K· 24.85 mi
4:10:34
Rank: #23516 (+24)
24M → 40K
10:46/mi
9:12 split
25.2M
4:14:52
Rank: #23536 (-20)
40K → 25.2M
12:28/mi
4:18 split
Finish· 26.22 mi
4:24:55
Rank: #23476 (+60)
25.2M → Finish
9:52/mi
10:03 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:04
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:21:51
Pace10:49 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4628:529:1728:52
9:17
-
10K
6.21 mi12:13:0357:099:1228:17
9:06
-0:11
15K
9.32 mi12:42:131:26:199:1629:10
9:23
+0:17
20K
12.43 mi13:12:261:56:329:2330:13
9:44
+0:21
Half
13.11 mi13:18:582:03:049:236:32
9:35
-0:09
25K
15.53 mi13:43:552:28:019:3224:57
10:17
+0:42
30K
18.64 mi14:17:573:02:039:4634:02
10:57
+0:40
20M
20.00 mi14:32:433:16:499:5014:46
10:52
-0:05
21M
21.00 mi14:45:203:29:269:5812:37
12:37
+1:45
35K
21.75 mi14:52:443:36:509:587:24
9:53
-2:44
23M
23.00 mi15:06:303:50:3610:0213:46
11:00
+1:07
24M
24.00 mi15:17:164:01:2210:0310:46
10:46
-0:14
40K
24.85 mi15:26:284:10:3410:059:12
10:46
0:00
25.2M
25.20 mi15:30:464:14:5210:074:18
12:28
+1:42
Finish
26.22 mi15:40:494:24:5510:0710:03
9:52
-2:36

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

9:06 /mi

Average Pace

10:07 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:04

46% of race

Time at Steady Pace

1:02:22

24% of race

Time at Slower Pace

1:19:29

30% of race

Average Pace: 10:06 /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 mi11:44:4628:529:1728:52
9:17
#23528
10K
6.21 mi12:13:0357:099:1228:17
9:06
#23192
15K
9.32 mi12:42:131:26:199:1629:10
9:23
#23314
20K
12.43 mi13:12:261:56:329:2330:13
9:44
#23378
Half
13.11 mi13:18:582:03:049:236:32
9:35
#23402
25K
15.53 mi13:43:552:28:019:3224:57
10:17
#23500
30K
18.64 mi14:17:573:02:039:4634:02
10:57
#23576
20M
20.00 mi14:32:433:16:499:5014:46
10:52
#23554
21M
21.00 mi14:45:203:29:269:5812:37
12:37
#23642
35K
21.75 mi14:52:443:36:509:587:24
9:53
#23571
23M
23.00 mi15:06:303:50:3610:0213:46
11:00
#23542
24M
24.00 mi15:17:164:01:2210:0310:46
10:46
#23540
40K
24.85 mi15:26:284:10:3410:059:12
10:46
#23516
25.2M
25.20 mi15:30:464:14:5210:074:18
12:28
#23536
Finish
26.22 mi15:40:494:24:5510:0710:03
9:52
#23476
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23528140191401923447(Top 83%)14039(Top 87%)14039(Top 703%)
10K6.21 mi3.10 mi23192+33613878+14113878+14122831(Top 80%)13736(Top 85%)13736(Top 688%)
15K9.32 mi3.11 mi23314-12213952-7413952-7423447(Top 83%)14039(Top 87%)14039(Top 703%)
20K12.43 mi3.11 mi23378-6413985-3313985-3323559(Top 83%)14042(Top 87%)14042(Top 704%)
Half13.11 mi0.68 mi23402-2413998-1313998-1323770(Top 84%)14129(Top 88%)14129(Top 708%)
25K15.53 mi2.42 mi23500-9814021-2314021-2323925(Top 84%)14161(Top 88%)14161(Top 709%)
30K18.64 mi3.11 mi23576-7614018+314018+323923(Top 84%)14033(Top 87%)14033(Top 703%)
20M20.00 mi1.36 mi23554+2213986+3213986+3223305(Top 82%)13661(Top 85%)13661(Top 684%)
21M21.00 mi1.00 mi23642-8814003-1714003-1724545(Top 86%)14165(Top 88%)14165(Top 710%)
35K21.75 mi0.75 mi23571+7113959+4413959+4421593(Top 76%)12720(Top 79%)12720(Top 637%)
23M23.00 mi1.25 mi23542+2913932+2713932+2723209(Top 82%)13433(Top 83%)13433(Top 673%)
24M24.00 mi1.00 mi23540+213914+1813914+1823486(Top 83%)13554(Top 84%)13554(Top 679%)
40K24.85 mi0.85 mi23516+2413888+2613888+2622589(Top 80%)13039(Top 81%)13039(Top 653%)
25.2M25.20 mi0.35 mi23536-2013882+613882+624123(Top 85%)13826(Top 86%)13826(Top 693%)
Finish26.22 mi1.02 mi23476+6013840+4213840+4222501(Top 79%)13033(Top 81%)13033(Top 653%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

23447

Males

14039

M50-54

14039

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22831

Males

13736

M50-54

13736

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

23447

Males

14039

M50-54

14039

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23559

Males

14042

M50-54

14042

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

23770

Males

14129

M50-54

14129

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23925

Males

14161

M50-54

14161

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

23923

Males

14033

M50-54

14033

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

23305

Males

13661

M50-54

13661

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24545

Males

14165

M50-54

14165

21M→35K

21.0 - 21.8 mi

Top 76%
×7story building
+17ft-86ft

Overall

21593

Males

12720

M50-54

12720

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

23209

Males

13433

M50-54

13433

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23486

Males

13554

M50-54

13554

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22589

Males

13039

M50-54

13039

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24123

Males

13826

M50-54

13826

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22501

Males

13033

M50-54

13033

Passing Analysis

Category:
Athletes Passed
1448
Passed By
1396
Net Change
+52
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23528
5K → 10K437101+336#23528#23192
10K → 15K128250-122#23192#23314
15K → 20K132196-64#23314#23378
20K → Half2852-24#23378#23402
Half → 25K93191-98#23402#23500
25K → 30K128204-76#23500#23576
30K → 20M8866+22#23576#23554
20M → 21M41129-88#23554#23642
21M → 35K8211+71#23642#23571
35K → 23M8859+29#23571#23542
23M → 24M5048+2#23542#23540
24M → 40K5127+24#23540#23516
40K → 25.2M2444-20#23516#23536
25.2M → Finish7818+60#23536#23476
TOTALS14481396+52
📊

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