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BOSTON MARATHON 2025

Gabriel Kaufman

Bib: 1100•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:32
Rank: #353
Start → 5K
5:39/mi
17:32 split
10K· 6.21 mi
34:58
Rank: #322 (+31)
5K → 10K
5:37/mi
17:26 split
15K· 9.32 mi
52:34
Rank: #324 (-2)
10K → 15K
5:40/mi
17:36 split
20K· 12.43 mi
1:10:06
Rank: #293 (+31)
15K → 20K
5:39/mi
17:32 split
Half· 13.11 mi
1:13:57
Rank: #299 (-6)
20K → Half
5:39/mi
3:51 split
25K· 15.53 mi
1:27:40
Rank: #289 (+10)
Half → 25K
5:39/mi
13:43 split
30K· 18.64 mi
1:45:20
Rank: #242 (+47)
25K → 30K
5:41/mi
17:40 split
20M
1:54:18
Rank: #293 (-51)
30K → 20M
6:36/mi
8:58 split
21M
2:00:34
Rank: #283 (+10)
20M → 21M
6:16/mi
6:16 split
35K· 21.75 mi
2:05:21
Rank: #311 (-28)
21M → 35K
6:24/mi
4:47 split
23M
2:13:02
Rank: #302 (+9)
35K → 23M
6:08/mi
7:41 split
24M
2:19:17
Rank: #315 (-13)
23M → 24M
6:15/mi
6:15 split
40K· 24.85 mi
2:24:37
Rank: #321 (-6)
24M → 40K
6:14/mi
5:20 split
25.2M
2:26:54
Rank: #320 (+1)
40K → 25.2M
6:37/mi
2:17 split
Finish· 26.22 mi
2:32:54
Rank: #315 (+5)
25.2M → Finish
5:53/mi
6:00 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:13:57
Pace5:38 /mi
2nd Half
Distance13.11 mi
Time1:18:57
Pace6:01 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5517:325:3917:32
5:39
-
10K
6.21 mi10:35:2134:585:3817:26
5:37
-0:02
15K
9.32 mi10:52:5752:345:3817:36
5:40
+0:03
20K
12.43 mi11:10:291:10:065:3817:32
5:39
-0:01
Half
13.11 mi11:14:201:13:575:383:51
5:39
0:00
25K
15.53 mi11:28:031:27:405:3913:43
5:39
0:00
30K
18.64 mi11:45:431:45:205:3917:40
5:41
+0:02
20M
20.00 mi11:54:411:54:185:438:58
6:36
+0:55
21M
21.00 mi12:00:572:00:345:446:16
6:16
-0:20
35K
21.75 mi12:05:442:05:215:464:47
6:24
+0:08
23M
23.00 mi12:13:252:13:025:477:41
6:08
-0:16
24M
24.00 mi12:19:402:19:175:486:15
6:15
+0:07
40K
24.85 mi12:25:002:24:375:495:20
6:14
-0:01
25.2M
25.20 mi12:27:172:26:545:502:17
6:37
+0:23
Finish
26.22 mi12:33:172:32:545:506:00
5:53
-0:44

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

5:37 /mi

Average Pace

5:50 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:01

78% of race

Time at Steady Pace

33:53

22% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:50 /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 mi10:17:5517:325:3917:32
5:39
#353
10K
6.21 mi10:35:2134:585:3817:26
5:37
#322
15K
9.32 mi10:52:5752:345:3817:36
5:40
#324
20K
12.43 mi11:10:291:10:065:3817:32
5:39
#293
Half
13.11 mi11:14:201:13:575:383:51
5:39
#299
25K
15.53 mi11:28:031:27:405:3913:43
5:39
#289
30K
18.64 mi11:45:431:45:205:3917:40
5:41
#242
20M
20.00 mi11:54:411:54:185:438:58
6:36
#293
21M
21.00 mi12:00:572:00:345:446:16
6:16
#283
35K
21.75 mi12:05:442:05:215:464:47
6:24
#311
23M
23.00 mi12:13:252:13:025:477:41
6:08
#302
24M
24.00 mi12:19:402:19:175:486:15
6:15
#315
40K
24.85 mi12:25:002:24:375:495:20
6:14
#321
25.2M
25.20 mi12:27:172:26:545:502:17
6:37
#320
Finish
26.22 mi12:33:172:32:545:506:00
5:53
#315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi353320320324(Top 1%)296(Top 2%)296(Top 5%)
10K6.21 mi3.10 mi322+31293+27293+27310(Top 1%)281(Top 2%)281(Top 5%)
15K9.32 mi3.11 mi324-2295-2295-2324(Top 1%)296(Top 2%)296(Top 5%)
20K12.43 mi3.11 mi293+31264+31264+31249(Top 0.9%)223(Top 1%)223(Top 4%)
Half13.11 mi0.68 mi299-6270-6270-6355(Top 1%)329(Top 2%)329(Top 6%)
25K15.53 mi2.42 mi289+10261+9261+9248(Top 0.9%)223(Top 1%)223(Top 4%)
30K18.64 mi3.11 mi242+47216+45216+45161(Top 0.6%)142(Top 0.9%)142(Top 3%)
20M20.00 mi1.36 mi293-51266-50266-501986(Top 7%)1876(Top 12%)1876(Top 33%)
21M21.00 mi1.00 mi283+10257+9257+9328(Top 1%)308(Top 2%)308(Top 5%)
35K21.75 mi0.75 mi311-28285-28285-281954(Top 7%)1828(Top 11%)1828(Top 32%)
23M23.00 mi1.25 mi302+9277+8277+8541(Top 2%)509(Top 3%)509(Top 9%)
24M24.00 mi1.00 mi315-13288-11288-111146(Top 4%)1073(Top 7%)1073(Top 19%)
40K24.85 mi0.85 mi321-6294-6294-6790(Top 3%)739(Top 5%)739(Top 13%)
25.2M25.20 mi0.35 mi320+1293+1293+1605(Top 2%)560(Top 3%)560(Top 10%)
Finish26.22 mi1.02 mi315+5289+4289+4645(Top 2%)606(Top 4%)606(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21story building
+97ft-345ft

Overall

324

Males

296

M18-39

296

5K→10K

3.1 - 6.2 mi

Top 1%
×5story building
+79ft-138ft

Overall

310

Males

281

M18-39

281

10K→15K

6.2 - 9.3 mi

Top 1%
×3story building
+67ft-78ft

Overall

324

Males

296

M18-39

296

15K→20K

9.3 - 12.4 mi

Top 0.9%
×5story building
+106ft-86ft

Overall

249

Males

223

M18-39

223

20K→Half

12.4 - 13.1 mi

Top 1%
×2story building
+19ft-37ft

Overall

355

Males

329

M18-39

329

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4story building
+66ft-88ft

Overall

248

Males

223

M18-39

223

25K→30K

15.5 - 18.6 mi

Top 0.6%
×9story building
+181ft-148ft

Overall

161

Males

142

M18-39

142

30K→20M

18.6 - 20.0 mi

Top 7%
×5story building
+64ft-50ft

Overall

1986

Males

1876

M18-39

1876

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

328

Males

308

M18-39

308

21M→35K

21.0 - 21.8 mi

Top 7%
×7story building
+17ft-86ft

Overall

1954

Males

1828

M18-39

1828

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

541

Males

509

M18-39

509

23M→24M

23.0 - 24.0 mi

Top 4%
×6story building
+12ft-82ft

Overall

1146

Males

1073

M18-39

1073

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

790

Males

739

M18-39

739

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

605

Males

560

M18-39

560

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

645

Males

606

M18-39

606

Passing Analysis

Category:
Athletes Passed
205
Passed By
167
Net Change
+38
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#353
5K → 10K376+31#353#322
10K → 15K1517-2#322#324
15K → 20K343+31#324#293
20K → Half39-6#293#299
Half → 25K133+10#299#289
25K → 30K470+47#289#242
30K → 20M051-51#242#293
20M → 21M155+10#293#283
21M → 35K028-28#283#311
35K → 23M167+9#311#302
23M → 24M417-13#302#315
24M → 40K713-6#315#321
40K → 25.2M65+1#321#320
25.2M → Finish83+5#320#315
TOTALS205167+38
📊

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