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BOSTON MARATHON 2025

Marshall Sloane

Bib: 27628•M

MA

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
29:03
Rank: #23732
Start → 5K
9:21/mi
29:03 split
10K· 6.21 mi
58:06
Rank: #23724 (+8)
5K → 10K
9:21/mi
29:03 split
15K· 9.32 mi
1:27:30
Rank: #23715 (+9)
10K → 15K
9:28/mi
29:24 split
20K· 12.43 mi
1:57:22
Rank: #23605 (+110)
15K → 20K
9:37/mi
29:52 split
Half· 13.11 mi
2:03:59
Rank: #23619 (-14)
20K → Half
9:42/mi
6:37 split
25K· 15.53 mi
2:27:44
Rank: #23446 (+173)
Half → 25K
9:48/mi
23:45 split
30K· 18.64 mi
2:59:16
Rank: #23135 (+311)
25K → 30K
10:09/mi
31:32 split
20M
3:13:33
Rank: #23086 (+49)
30K → 20M
10:31/mi
14:17 split
21M
3:24:20
Rank: #22951 (+135)
20M → 21M
10:47/mi
10:47 split
35K· 21.75 mi
3:31:58
Rank: #22933 (+18)
21M → 35K
10:12/mi
7:38 split
23M
3:46:40
Rank: #23066 (-133)
35K → 23M
11:44/mi
14:42 split
24M
3:58:15
Rank: #23179 (-113)
23M → 24M
11:35/mi
11:35 split
40K· 24.85 mi
4:08:17
Rank: #23231 (-52)
24M → 40K
11:44/mi
10:02 split
25.2M
4:11:47
Rank: #23161 (+70)
40K → 25.2M
10:09/mi
3:30 split
Finish· 26.22 mi
4:21:01
Rank: #23064 (+97)
25.2M → Finish
9:04/mi
9:14 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:59
Pace9:27 /mi
2nd Half
Distance13.11 mi
Time2:17:02
Pace10:27 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0729:039:2129:03
9:21
-
10K
6.21 mi12:14:1058:069:2129:03
9:21
0:00
15K
9.32 mi12:43:341:27:309:2329:24
9:28
+0:07
20K
12.43 mi13:13:261:57:229:2729:52
9:37
+0:09
Half
13.11 mi13:20:032:03:599:276:37
9:42
+0:05
25K
15.53 mi13:43:482:27:449:3123:45
9:48
+0:06
30K
18.64 mi14:15:202:59:169:3731:32
10:09
+0:21
20M
20.00 mi14:29:373:13:339:4114:17
10:31
+0:22
21M
21.00 mi14:40:243:24:209:4410:47
10:47
+0:16
35K
21.75 mi14:48:023:31:589:457:38
10:12
-0:35
23M
23.00 mi15:02:443:46:409:5114:42
11:44
+1:32
24M
24.00 mi15:14:193:58:159:5611:35
11:35
-0:09
40K
24.85 mi15:24:214:08:179:5910:02
11:44
+0:09
25.2M
25.20 mi15:27:514:11:479:593:30
10:09
-1:35
Finish
26.22 mi15:37:054:21:019:589:14
9:04
-1:05

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

9:04 /mi

Average Pace

9:58 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:13

51% of race

Time at Steady Pace

1:20:42

31% of race

Time at Slower Pace

47:06

18% of race

Average Pace: 9:57 /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 mi11:45:0729:039:2129:03
9:21
#23732
10K
6.21 mi12:14:1058:069:2129:03
9:21
#23724
15K
9.32 mi12:43:341:27:309:2329:24
9:28
#23715
20K
12.43 mi13:13:261:57:229:2729:52
9:37
#23605
Half
13.11 mi13:20:032:03:599:276:37
9:42
#23619
25K
15.53 mi13:43:482:27:449:3123:45
9:48
#23446
30K
18.64 mi14:15:202:59:169:3731:32
10:09
#23135
20M
20.00 mi14:29:373:13:339:4114:17
10:31
#23086
21M
21.00 mi14:40:243:24:209:4410:47
10:47
#22951
35K
21.75 mi14:48:023:31:589:457:38
10:12
#22933
23M
23.00 mi15:02:443:46:409:5114:42
11:44
#23066
24M
24.00 mi15:14:193:58:159:5611:35
11:35
#23179
40K
24.85 mi15:24:214:08:179:5910:02
11:44
#23231
25.2M
25.20 mi15:27:514:11:479:593:30
10:09
#23161
Finish
26.22 mi15:37:054:21:019:589:14
9:04
#23064
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23732141221412223628(Top 83%)14112(Top 88%)14112(Top 250%)
10K6.21 mi3.10 mi23724+8141221412223680(Top 83%)14108(Top 88%)14108(Top 250%)
15K9.32 mi3.11 mi23715+914126-414126-423628(Top 83%)14112(Top 88%)14112(Top 250%)
20K12.43 mi3.11 mi23605+11014077+4914077+4923247(Top 82%)13912(Top 86%)13912(Top 247%)
Half13.11 mi0.68 mi23619-1414083-614083-624078(Top 85%)14264(Top 89%)14264(Top 253%)
25K15.53 mi2.42 mi23446+17314004+7914004+7922747(Top 80%)13627(Top 85%)13627(Top 242%)
30K18.64 mi3.11 mi23135+31113811+19313811+19322060(Top 78%)13200(Top 82%)13200(Top 234%)
20M20.00 mi1.36 mi23086+4913765+4613765+4622447(Top 79%)13259(Top 82%)13259(Top 235%)
21M21.00 mi1.00 mi22951+13513689+7613689+7620785(Top 73%)12400(Top 77%)12400(Top 220%)
35K21.75 mi0.75 mi22933+1813666+2313666+2322432(Top 79%)13120(Top 81%)13120(Top 233%)
23M23.00 mi1.25 mi23066-13313707-4113707-4124655(Top 87%)14171(Top 88%)14171(Top 251%)
24M24.00 mi1.00 mi23179-11313730-2313730-2325030(Top 88%)14320(Top 89%)14320(Top 254%)
40K24.85 mi0.85 mi23231-5213741-1113741-1124523(Top 86%)14026(Top 87%)14026(Top 249%)
25.2M25.20 mi0.35 mi23161+7013703+3813703+3817678(Top 62%)10701(Top 66%)10701(Top 190%)
Finish26.22 mi1.02 mi23064+9713648+5513648+5519338(Top 68%)11515(Top 71%)11515(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

23628

Males

14112

M18-39

14112

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

23680

Males

14108

M18-39

14108

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

23628

Males

14112

M18-39

14112

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

23247

Males

13912

M18-39

13912

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

24078

Males

14264

M18-39

14264

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22747

Males

13627

M18-39

13627

25K→30K

15.5 - 18.6 mi

Top 78%
×9stories
+181ft-148ft

Overall

22060

Males

13200

M18-39

13200

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

22447

Males

13259

M18-39

13259

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20785

Males

12400

M18-39

12400

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22432

Males

13120

M18-39

13120

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24655

Males

14171

M18-39

14171

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25030

Males

14320

M18-39

14320

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24523

Males

14026

M18-39

14026

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17678

Males

10701

M18-39

10701

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19338

Males

11515

M18-39

11515

Passing Analysis

Category:
Athletes Passed
1765
Passed By
1097
Net Change
+668
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23732
5K → 10K242234+8#23732#23724
10K → 15K168159+9#23724#23715
15K → 20K19585+110#23715#23605
20K → Half1226-14#23605#23619
Half → 25K21845+173#23619#23446
25K → 30K35443+311#23446#23135
30K → 20M9748+49#23135#23086
20M → 21M15318+135#23086#22951
21M → 35K5537+18#22951#22933
35K → 23M37170-133#22933#23066
23M → 24M28141-113#23066#23179
24M → 40K3486-52#23179#23231
40K → 25.2M700+70#23231#23161
25.2M → Finish1025+97#23161#23064
TOTALS17651097+668
📊

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