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BOSTON MARATHON 2025

Neil Kolhatkar

Bib: 1597•M

CA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
5:45/mi
17:52
↑ 97↓ 3451.5%
10K· 6.21 mi
5:45/mi
35:43
↑ 79↓ 1380.4%
15K· 9.32 mi
5:45/mi
53:36
↑ 67↓ 78
20K· 12.43 mi
5:43/mi
1:11:22
↑ 106↓ 860.1%
Half· 13.11 mi
5:40/mi
1:15:14
↑ 19↓ 370.5%
25K· 15.53 mi
5:47/mi
1:29:15
↑ 66↓ 880.2%
30K· 18.64 mi
5:54/mi
1:47:36
↑ 181↓ 1480.2%
20M
5:55/mi
1:55:38
↑ 64↓ 500.2%
21M
6:22/mi
2:02:00
↑ 106↓ 241.6%
35K· 21.75 mi
5:52/mi
2:06:23
↑ 17↓ 861.7%
23M
6:11/mi
2:14:07
↑ 23↓ 630.6%
24M
6:00/mi
2:20:07
↓ 821.3%
40K· 24.85 mi
6:07/mi
2:25:21
↓ 200.3%
25.2M
6:46/mi
2:27:41
↑ 13↓ 160.2%
Finish· 26.22 mi
6:13/mi
2:34:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:14
Pace5:44 /mi
2nd Half
Distance13.11 mi
Time1:18:47
Pace6:01 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2817:525:4517:52
5:45
-
10K
6.21 mi10:36:1935:435:4517:51
5:45
0:00
15K
9.32 mi10:54:1253:365:4517:53
5:45
0:00
20K
12.43 mi11:11:581:11:225:4517:46
5:43
-0:02
Half
13.11 mi11:15:501:15:145:443:52
5:40
-0:03
25K
15.53 mi11:29:511:29:155:4514:01
5:47
+0:07
30K
18.64 mi11:48:121:47:365:4618:21
5:54
+0:07
20M
20.00 mi11:56:141:55:385:478:02
5:55
+0:01
21M
21.00 mi12:02:362:02:005:496:22
6:22
+0:27
35K
21.75 mi12:06:592:06:235:494:23
5:52
-0:30
23M
23.00 mi12:14:432:14:075:507:44
6:11
+0:19
24M
24.00 mi12:20:432:20:075:506:00
6:00
-0:11
40K
24.85 mi12:25:572:25:215:515:14
6:07
+0:07
25.2M
25.20 mi12:28:172:27:415:522:20
6:46
+0:39
Finish
26.22 mi12:34:372:34:015:536:20
6:13
-0:33

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

5:40 /mi

Average Pace

5:53 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:19

94% of race

Time at Steady Pace

6:22

4% of race

Time at Slower Pace

2:20

2% of race

Average Pace: 5:52 /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 mi10:18:2817:525:4517:52
5:45
#512
10K
6.21 mi10:36:1935:435:4517:51
5:45
#523
15K
9.32 mi10:54:1253:365:4517:53
5:45
#506
20K
12.43 mi11:11:581:11:225:4517:46
5:43
#441
Half
13.11 mi11:15:501:15:145:443:52
5:40
#435
25K
15.53 mi11:29:511:29:155:4514:01
5:47
#420
30K
18.64 mi11:48:121:47:365:4618:21
5:54
#399
20M
20.00 mi11:56:141:55:385:478:02
5:55
#381
21M
21.00 mi12:02:362:02:005:496:22
6:22
#375
35K
21.75 mi12:06:592:06:235:494:23
5:52
#376
23M
23.00 mi12:14:432:14:075:507:44
6:11
#375
24M
24.00 mi12:20:432:20:075:506:00
6:00
#370
40K
24.85 mi12:25:572:25:215:515:14
6:07
#361
25.2M
25.20 mi12:28:172:27:415:522:20
6:46
#362
Finish
26.22 mi12:34:372:34:015:536:20
6:13
#375
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi512474474457(Top 2%)424(Top 3%)424(Top 8%)
10K6.21 mi3.10 mi523-11485-11485-11524(Top 2%)486(Top 3%)486(Top 9%)
15K9.32 mi3.11 mi506+17469+16469+16457(Top 2%)424(Top 3%)424(Top 8%)
20K12.43 mi3.11 mi441+65407+62407+62342(Top 1%)313(Top 2%)313(Top 6%)
Half13.11 mi0.68 mi435+6401+6401+6387(Top 1%)360(Top 2%)360(Top 6%)
25K15.53 mi2.42 mi420+15386+15386+15388(Top 1%)359(Top 2%)359(Top 6%)
30K18.64 mi3.11 mi399+21366+20366+20364(Top 1%)337(Top 2%)337(Top 6%)
20M20.00 mi1.36 mi381+18350+16350+16288(Top 1%)266(Top 2%)266(Top 5%)
21M21.00 mi1.00 mi375+6345+5345+5444(Top 2%)418(Top 3%)418(Top 7%)
35K21.75 mi0.75 mi376-1346-1346-1453(Top 2%)421(Top 3%)421(Top 7%)
23M23.00 mi1.25 mi375+1347-1347-1615(Top 2%)579(Top 4%)579(Top 10%)
24M24.00 mi1.00 mi370+5343+4343+4571(Top 2%)534(Top 3%)534(Top 9%)
40K24.85 mi0.85 mi361+9334+9334+9568(Top 2%)530(Top 3%)530(Top 9%)
25.2M25.20 mi0.35 mi362-1335-1335-1843(Top 3%)776(Top 5%)776(Top 14%)
Finish26.22 mi1.02 mi375-13346-11346-111541(Top 5%)1430(Top 9%)1430(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

457

Males

424

M18-39

424

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

524

Males

486

M18-39

486

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

457

Males

424

M18-39

424

15K→20K

9.3 - 12.4 mi

Top 1%
×5story building
+106ft-86ft

Overall

342

Males

313

M18-39

313

20K→Half

12.4 - 13.1 mi

Top 1%
×2story building
+19ft-37ft

Overall

387

Males

360

M18-39

360

Half→25K

13.1 - 15.5 mi

Top 1%
×4story building
+66ft-88ft

Overall

388

Males

359

M18-39

359

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

364

Males

337

M18-39

337

30K→20M

18.6 - 20.0 mi

Top 1%
×5story building
+64ft-50ft

Overall

288

Males

266

M18-39

266

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

444

Males

418

M18-39

418

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

453

Males

421

M18-39

421

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

615

Males

579

M18-39

579

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

571

Males

534

M18-39

534

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

568

Males

530

M18-39

530

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

843

Males

776

M18-39

776

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1541

Males

1430

M18-39

1430

Passing Analysis

Category:
Athletes Passed
249
Passed By
112
Net Change
+137
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#512
5K → 10K2334-11#512#523
10K → 15K3013+17#523#506
15K → 20K650+65#506#441
20K → Half82+6#441#435
Half → 25K194+15#435#420
25K → 30K287+21#420#399
30K → 20M191+18#399#381
20M → 21M115+6#381#375
21M → 35K89-1#375#376
35K → 23M76+1#376#375
23M → 24M116+5#375#370
24M → 40K112+9#370#361
40K → 25.2M23-1#361#362
25.2M → Finish720-13#362#375
TOTALS249112+137
📊

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