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BOSTON MARATHON 2025

Jesse Fajnzylber

Bib: 1877•M

OH

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0:00
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 25%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:32
Rank: #2376
Start → 5K
19:32 | 6:17/mi
10K· 6.21 mi
39:03
Rank: #2316 (+60)
5K → 10K
19:31 | 6:17/mi
15K· 9.32 mi
58:38
Rank: #2323 (-7)
10K → 15K
19:35 | 6:18/mi
20K· 12.43 mi
1:18:27
Rank: #2325 (-2)
15K → 20K
19:49 | 6:23/mi
Half· 13.11 mi
1:22:54
Rank: #2401 (-76)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:39:25
Rank: #2751 (-350)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:02:39
Rank: #3530 (-779)
25K → 30K
23:14 | 7:29/mi
20M
2:13:07
Rank: #3814 (-284)
30K → 20M
10:28 | 7:42/mi
21M
2:20:53
Rank: #3913 (-99)
20M → 21M
7:46 | 7:46/mi
35K· 21.75 mi
2:26:15
Rank: #3996 (-83)
21M → 35K
5:22 | 7:10/mi
23M
2:35:25
Rank: #4078 (-82)
35K → 23M
9:10 | 7:19/mi
24M
2:42:32
Rank: #4097 (-19)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:48:51
Rank: #4173 (-76)
24M → 40K
6:19 | 7:23/mi
25.2M
2:51:38
Rank: #4205 (-32)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
2:58:56
Rank: #4323 (-118)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:54
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:36:02
Pace7:20 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1619:326:1719:32
6:17
-
10K
6.21 mi10:39:4739:036:1719:31
6:17
0:00
15K
9.32 mi10:59:2258:386:1719:35
6:18
+0:01
20K
12.43 mi11:19:111:18:276:1919:49
6:23
+0:05
Half
13.11 mi11:23:381:22:546:194:27
6:31
+0:08
25K
15.53 mi11:40:091:39:256:2416:31
6:49
+0:18
30K
18.64 mi12:03:232:02:396:3523:14
7:29
+0:40
20M
20.00 mi12:13:512:13:076:3910:28
7:42
+0:13
21M
21.00 mi12:21:372:20:536:437:46
7:46
+0:04
35K
21.75 mi12:26:592:26:156:435:22
7:10
-0:36
23M
23.00 mi12:36:092:35:256:459:10
7:19
+0:09
24M
24.00 mi12:43:162:42:326:467:07
7:07
-0:12
40K
24.85 mi12:49:352:48:516:486:19
7:23
+0:16
25.2M
25.20 mi12:52:222:51:386:492:47
8:04
+0:41
Finish
26.22 mi12:59:402:58:566:507:18
7:10
-0:54

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

6:17 /mi

Average Pace

6:50 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:25

56% of race

Time at Steady Pace

35:16

20% of race

Time at Slower Pace

44:15

25% of race

Average Pace: 6:49 /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 mi10:20:1619:326:1719:32
6:17
#2376
10K
6.21 mi10:39:4739:036:1719:31
6:17
#2316
15K
9.32 mi10:59:2258:386:1719:35
6:18
#2323
20K
12.43 mi11:19:111:18:276:1919:49
6:23
#2325
Half
13.11 mi11:23:381:22:546:194:27
6:31
#2401
25K
15.53 mi11:40:091:39:256:2416:31
6:49
#2751
30K
18.64 mi12:03:232:02:396:3523:14
7:29
#3530
20M
20.00 mi12:13:512:13:076:3910:28
7:42
#3814
21M
21.00 mi12:21:372:20:536:437:46
7:46
#3913
35K
21.75 mi12:26:592:26:156:435:22
7:10
#3996
23M
23.00 mi12:36:092:35:256:459:10
7:19
#4078
24M
24.00 mi12:43:162:42:326:467:07
7:07
#4097
40K
24.85 mi12:49:352:48:516:486:19
7:23
#4173
25.2M
25.20 mi12:52:222:51:386:492:47
8:04
#4205
Finish
26.22 mi12:59:402:58:566:507:18
7:10
#4323
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2376226522652361(Top 8%)2253(Top 14%)2253(Top 40%)
10K6.21 mi3.10 mi2316+602208+572208+572313(Top 8%)2214(Top 14%)2214(Top 39%)
15K9.32 mi3.11 mi2323-72218-102218-102361(Top 8%)2253(Top 14%)2253(Top 40%)
20K12.43 mi3.11 mi2325-22219-12219-12422(Top 9%)2311(Top 14%)2311(Top 41%)
Half13.11 mi0.68 mi2401-762291-722291-723879(Top 14%)3659(Top 23%)3659(Top 65%)
25K15.53 mi2.42 mi2751-3502623-3322623-3324971(Top 18%)4565(Top 28%)4565(Top 81%)
30K18.64 mi3.11 mi3530-7793337-7143337-7147580(Top 27%)6332(Top 39%)6332(Top 112%)
20M20.00 mi1.36 mi3814-2843592-2553592-2558335(Top 29%)6628(Top 41%)6628(Top 117%)
21M21.00 mi1.00 mi3913-993670-783670-785989(Top 21%)5060(Top 31%)5060(Top 90%)
35K21.75 mi0.75 mi3996-833736-663736-666425(Top 23%)5339(Top 33%)5339(Top 95%)
23M23.00 mi1.25 mi4078-823794-583794-585575(Top 20%)4719(Top 29%)4719(Top 84%)
24M24.00 mi1.00 mi4097-193802-83802-85300(Top 19%)4467(Top 28%)4467(Top 79%)
40K24.85 mi0.85 mi4173-763855-533855-536118(Top 22%)4918(Top 31%)4918(Top 87%)
25.2M25.20 mi0.35 mi4205-323881-263881-266270(Top 22%)4903(Top 30%)4903(Top 87%)
Finish26.22 mi1.02 mi4323-1183978-973978-976787(Top 24%)5197(Top 32%)5197(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2361

Males

2253

M18-39

2253

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2313

Males

2214

M18-39

2214

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2361

Males

2253

M18-39

2253

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2422

Males

2311

M18-39

2311

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3879

Males

3659

M18-39

3659

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4971

Males

4565

M18-39

4565

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7580

Males

6332

M18-39

6332

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8335

Males

6628

M18-39

6628

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5989

Males

5060

M18-39

5060

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6425

Males

5339

M18-39

5339

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5575

Males

4719

M18-39

4719

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5300

Males

4467

M18-39

4467

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

6118

Males

4918

M18-39

4918

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6270

Males

4903

M18-39

4903

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6787

Males

5197

M18-39

5197

Passing Analysis

Category:
Athletes Passed
537
Passed By
2484
Net Change
-1947
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2376
5K → 10K14282+60#2376#2316
10K → 15K7683-7#2316#2323
15K → 20K7173-2#2323#2325
20K → Half278-76#2325#2401
Half → 25K13363-350#2401#2751
25K → 30K14793-779#2751#3530
30K → 20M13297-284#3530#3814
20M → 21M34133-99#3814#3913
21M → 35K24107-83#3913#3996
35K → 23M50132-82#3996#4078
23M → 24M4968-19#4078#4097
24M → 40K2298-76#4097#4173
40K → 25.2M1244-32#4173#4205
25.2M → Finish15133-118#4205#4323
TOTALS5372484-1947
📊

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