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BOSTON MARATHON 2025

Aaron Kleinman

Bib: 580•M

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Masters (Masters Men)
#0 / 10463
Top 0.7%
Division (M45-49)
#0 / 2386
Top 0.6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:27
Rank: #890
Start → 5K
18:27 | 5:56/mi
10K· 6.21 mi
36:38
Rank: #793 (+97)
5K → 10K
18:11 | 5:51/mi
15K· 9.32 mi
54:53
Rank: #760 (+33)
10K → 15K
18:15 | 5:52/mi
20K· 12.43 mi
1:13:26
Rank: #759 (+1)
15K → 20K
18:33 | 5:58/mi
Half· 13.11 mi
1:17:24
Rank: #748 (+11)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:31:45
Rank: #709 (+39)
Half → 25K
14:21 | 5:55/mi
30K· 18.64 mi
1:50:30
Rank: #659 (+50)
25K → 30K
18:45 | 6:02/mi
20M
1:58:50
Rank: #641 (+18)
30K → 20M
8:20 | 6:08/mi
21M
2:05:18
Rank: #628 (+13)
20M → 21M
6:28 | 6:28/mi
35K· 21.75 mi
2:09:49
Rank: #620 (+8)
21M → 35K
4:31 | 6:02/mi
23M
2:17:36
Rank: #611 (+9)
35K → 23M
7:47 | 6:13/mi
24M
2:23:40
Rank: #609 (+2)
23M → 24M
6:04 | 6:04/mi
40K· 24.85 mi
2:29:02
Rank: #608 (+1)
24M → 40K
5:22 | 6:17/mi
25.2M
2:31:26
Rank: #612 (-4)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:37:28
Rank: #604 (+8)
25.2M → Finish
6:02 | 5:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:24
Pace5:54 /mi
2nd Half
Distance13.11 mi
Time1:20:04
Pace6:06 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4718:275:5618:27
5:56
-
10K
6.21 mi10:36:5836:385:5418:11
5:51
-0:05
15K
9.32 mi10:55:1354:535:5318:15
5:52
+0:01
20K
12.43 mi11:13:461:13:265:5518:33
5:58
+0:06
Half
13.11 mi11:17:441:17:245:543:58
5:49
-0:09
25K
15.53 mi11:32:051:31:455:5414:21
5:55
+0:06
30K
18.64 mi11:50:501:50:305:5618:45
6:02
+0:07
20M
20.00 mi11:59:101:58:505:568:20
6:08
+0:06
21M
21.00 mi12:05:382:05:185:586:28
6:28
+0:20
35K
21.75 mi12:10:092:09:495:584:31
6:02
-0:26
23M
23.00 mi12:17:562:17:365:597:47
6:13
+0:11
24M
24.00 mi12:24:002:23:405:596:04
6:04
-0:09
40K
24.85 mi12:29:222:29:026:005:22
6:17
+0:13
25.2M
25.20 mi12:31:462:31:266:012:24
6:58
+0:41
Finish
26.22 mi12:37:482:37:286:016:02
5:55
-1:03

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

5:49 /mi

Average Pace

6:01 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:36

94% of race

Time at Steady Pace

6:28

4% of race

Time at Slower Pace

2:24

2% of race

Average Pace: 6:00 /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 mi10:18:4718:275:5618:27
5:56
#890
10K
6.21 mi10:36:5836:385:5418:11
5:51
#793
15K
9.32 mi10:55:1354:535:5318:15
5:52
#760
20K
12.43 mi11:13:461:13:265:5518:33
5:58
#759
Half
13.11 mi11:17:441:17:245:543:58
5:49
#748
25K
15.53 mi11:32:051:31:455:5414:21
5:55
#709
30K
18.64 mi11:50:501:50:305:5618:45
6:02
#659
20M
20.00 mi11:59:101:58:505:568:20
6:08
#641
21M
21.00 mi12:05:382:05:185:586:28
6:28
#628
35K
21.75 mi12:10:092:09:495:584:31
6:02
#620
23M
23.00 mi12:17:562:17:365:597:47
6:13
#611
24M
24.00 mi12:24:002:23:405:596:04
6:04
#609
40K
24.85 mi12:29:222:29:026:005:22
6:17
#608
25.2M
25.20 mi12:31:462:31:266:012:24
6:58
#612
Finish
26.22 mi12:37:482:37:286:016:02
5:55
#604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi890832832700(Top 2%)654(Top 4%)654(Top 27%)
10K6.21 mi3.10 mi793+97741+91741+91713(Top 3%)668(Top 4%)668(Top 28%)
15K9.32 mi3.11 mi760+33710+31710+31700(Top 2%)654(Top 4%)654(Top 27%)
20K12.43 mi3.11 mi759+1710710796(Top 3%)747(Top 5%)747(Top 31%)
Half13.11 mi0.68 mi748+11699+11699+11609(Top 2%)570(Top 4%)570(Top 24%)
25K15.53 mi2.42 mi709+39661+38661+38608(Top 2%)562(Top 3%)562(Top 24%)
30K18.64 mi3.11 mi659+50612+49612+49552(Top 2%)515(Top 3%)515(Top 22%)
20M20.00 mi1.36 mi641+18594+18594+18590(Top 2%)556(Top 3%)556(Top 23%)
21M21.00 mi1.00 mi628+13581+13581+13609(Top 2%)573(Top 4%)573(Top 24%)
35K21.75 mi0.75 mi620+8573+8573+8786(Top 3%)732(Top 5%)732(Top 31%)
23M23.00 mi1.25 mi611+9565+8565+8696(Top 2%)657(Top 4%)657(Top 28%)
24M24.00 mi1.00 mi609+2563+2563+2699(Top 2%)656(Top 4%)656(Top 27%)
40K24.85 mi0.85 mi608+1561+2561+2899(Top 3%)841(Top 5%)841(Top 35%)
25.2M25.20 mi0.35 mi612-4564-3564-31319(Top 5%)1206(Top 7%)1206(Top 51%)
Finish26.22 mi1.02 mi604+8556+8556+8721(Top 3%)677(Top 4%)677(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

700

Males

654

M45-49

654

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

713

Males

668

M45-49

668

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

700

Males

654

M45-49

654

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

796

Males

747

M45-49

747

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

609

Males

570

M45-49

570

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

608

Males

562

M45-49

562

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

552

Males

515

M45-49

515

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

590

Males

556

M45-49

556

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

609

Males

573

M45-49

573

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

786

Males

732

M45-49

732

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

696

Males

657

M45-49

657

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

699

Males

656

M45-49

656

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

899

Males

841

M45-49

841

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1319

Males

1206

M45-49

1206

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

721

Males

677

M45-49

677

Passing Analysis

Category:
Athletes Passed
418
Passed By
132
Net Change
+286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#890
5K → 10K11013+97#890#793
10K → 15K4512+33#793#760
15K → 20K2928+1#760#759
20K → Half143+11#759#748
Half → 25K434+39#748#709
25K → 30K6010+50#709#659
30K → 20M257+18#659#641
20M → 21M2310+13#641#628
21M → 35K135+8#628#620
35K → 23M167+9#620#611
23M → 24M1210+2#611#609
24M → 40K1110+1#609#608
40K → 25.2M15-4#608#612
25.2M → Finish168+8#612#604
TOTALS418132+286
📊

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