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BOSTON MARATHON 2025

Nicolas Schactman

Bib: 28998•M

MO

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
28:50
Rank: #23498
Start → 5K
9:17/mi
28:50 split
10K· 6.21 mi
56:17
Rank: #22655 (+843)
5K → 10K
8:50/mi
27:27 split
15K· 9.32 mi
1:23:37
Rank: #22166 (+489)
10K → 15K
8:48/mi
27:20 split
20K· 12.43 mi
1:51:41
Rank: #21879 (+287)
15K → 20K
9:02/mi
28:04 split
Half· 13.11 mi
1:57:44
Rank: #21827 (+52)
20K → Half
8:52/mi
6:03 split
25K· 15.53 mi
2:21:29
Rank: #22032 (-205)
Half → 25K
9:48/mi
23:45 split
30K· 18.64 mi
2:56:36
Rank: #22733 (-701)
25K → 30K
11:18/mi
35:07 split
20M
3:11:03
Rank: #22723 (+10)
30K → 20M
10:38/mi
14:27 split
21M
3:22:56
Rank: #22765 (-42)
20M → 21M
11:53/mi
11:53 split
35K· 21.75 mi
3:31:11
Rank: #22827 (-62)
21M → 35K
11:02/mi
8:15 split
23M
3:46:03
Rank: #22980 (-153)
35K → 23M
11:52/mi
14:52 split
24M
4:00:07
Rank: #23403 (-423)
23M → 24M
14:04/mi
14:04 split
40K· 24.85 mi
4:10:32
Rank: #23510 (-107)
24M → 40K
12:11/mi
10:25 split
25.2M
4:14:28
Rank: #23472 (+38)
40K → 25.2M
11:24/mi
3:56 split
Finish· 26.22 mi
4:23:34
Rank: #23339 (+133)
25.2M → Finish
8:56/mi
9:06 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:44
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:25:50
Pace11:07 /mi
📊Positive Split: 23.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4228:509:1728:50
9:17
-
10K
6.21 mi12:18:0956:179:0327:27
8:50
-0:27
15K
9.32 mi12:45:291:23:378:5827:20
8:48
-0:02
20K
12.43 mi13:13:331:51:418:5928:04
9:02
+0:14
Half
13.11 mi13:19:361:57:448:596:03
8:52
-0:10
25K
15.53 mi13:43:212:21:299:0623:45
9:48
+0:56
30K
18.64 mi14:18:282:56:369:2835:07
11:18
+1:30
20M
20.00 mi14:32:553:11:039:3314:27
10:38
-0:40
21M
21.00 mi14:44:483:22:569:4011:53
11:53
+1:15
35K
21.75 mi14:53:033:31:119:438:15
11:02
-0:51
23M
23.00 mi15:07:553:46:039:5014:52
11:52
+0:50
24M
24.00 mi15:21:594:00:0710:0014:04
14:04
+2:12
40K
24.85 mi15:32:244:10:3210:0510:25
12:11
-1:53
25.2M
25.20 mi15:36:204:14:2810:063:56
11:24
-0:47
Finish
26.22 mi15:45:264:23:3410:049:06
8:56
-2:28

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

8:48 /mi

Average Pace

10:04 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:35

57% of race

Time at Steady Pace

1:01:45

23% of race

Time at Slower Pace

51:14

19% of race

Average Pace: 10:03 /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 mi11:50:4228:509:1728:50
9:17
#23498
10K
6.21 mi12:18:0956:179:0327:27
8:50
#22655
15K
9.32 mi12:45:291:23:378:5827:20
8:48
#22166
20K
12.43 mi13:13:331:51:418:5928:04
9:02
#21879
Half
13.11 mi13:19:361:57:448:596:03
8:52
#21827
25K
15.53 mi13:43:212:21:299:0623:45
9:48
#22032
30K
18.64 mi14:18:282:56:369:2835:07
11:18
#22733
20M
20.00 mi14:32:553:11:039:3314:27
10:38
#22723
21M
21.00 mi14:44:483:22:569:4011:53
11:53
#22765
35K
21.75 mi14:53:033:31:119:438:15
11:02
#22827
23M
23.00 mi15:07:553:46:039:5014:52
11:52
#22980
24M
24.00 mi15:21:594:00:0710:0014:04
14:04
#23403
40K
24.85 mi15:32:244:10:3210:0510:25
12:11
#23510
25.2M
25.20 mi15:36:204:14:2810:063:56
11:24
#23472
Finish
26.22 mi15:45:264:23:3410:049:06
8:56
#23339
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23498140011400121008(Top 74%)12944(Top 80%)12944(Top 229%)
10K6.21 mi3.10 mi22655+84313630+37113630+37121570(Top 76%)13159(Top 82%)13159(Top 233%)
15K9.32 mi3.11 mi22166+48913422+20813422+20821008(Top 74%)12944(Top 80%)12944(Top 229%)
20K12.43 mi3.11 mi21879+28713284+13813284+13821150(Top 74%)12961(Top 80%)12961(Top 230%)
Half13.11 mi0.68 mi21827+5213261+2313261+2321228(Top 75%)13025(Top 81%)13025(Top 231%)
25K15.53 mi2.42 mi22032-20513352-9113352-9122749(Top 80%)13629(Top 85%)13629(Top 242%)
30K18.64 mi3.11 mi22733-70113640-28813640-28824554(Top 86%)14334(Top 89%)14334(Top 254%)
20M20.00 mi1.36 mi22723+1013605+3513605+3522774(Top 80%)13420(Top 83%)13420(Top 238%)
21M21.00 mi1.00 mi22765-4213608-313608-323381(Top 82%)13619(Top 85%)13619(Top 241%)
35K21.75 mi0.75 mi22827-6213620-1213620-1224243(Top 85%)13993(Top 87%)13993(Top 248%)
23M23.00 mi1.25 mi22980-15313669-4913669-4924917(Top 88%)14292(Top 89%)14292(Top 253%)
24M24.00 mi1.00 mi23403-42313852-18313852-18327686(Top 97%)15638(Top 97%)15638(Top 277%)
40K24.85 mi0.85 mi23510-10713884-3213884-3225208(Top 89%)14374(Top 89%)14374(Top 255%)
25.2M25.20 mi0.35 mi23472+3813855+2913855+2921798(Top 77%)12695(Top 79%)12695(Top 225%)
Finish26.22 mi1.02 mi23339+13313782+7313782+7318672(Top 66%)11216(Top 70%)11216(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

21008

Males

12944

M18-39

12944

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21570

Males

13159

M18-39

13159

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

21008

Males

12944

M18-39

12944

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

21150

Males

12961

M18-39

12961

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21228

Males

13025

M18-39

13025

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22749

Males

13629

M18-39

13629

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24554

Males

14334

M18-39

14334

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22774

Males

13420

M18-39

13420

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23381

Males

13619

M18-39

13619

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24243

Males

13993

M18-39

13993

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

24917

Males

14292

M18-39

14292

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27686

Males

15638

M18-39

15638

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25208

Males

14374

M18-39

14374

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21798

Males

12695

M18-39

12695

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18672

Males

11216

M18-39

11216

Passing Analysis

Category:
Athletes Passed
2328
Passed By
2169
Net Change
+159
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23498
5K → 10K86017+843#23498#22655
10K → 15K51526+489#22655#22166
15K → 20K33851+287#22166#21879
20K → Half619+52#21879#21827
Half → 25K93298-205#21827#22032
25K → 30K47748-701#22032#22733
30K → 20M8474+10#22733#22723
20M → 21M5698-42#22723#22765
21M → 35K2890-62#22765#22827
35K → 23M29182-153#22827#22980
23M → 24M10433-423#22980#23403
24M → 40K19126-107#23403#23510
40K → 25.2M5113+38#23510#23472
25.2M → Finish1374+133#23472#23339
TOTALS23282169+159
📊

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