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BOSTON MARATHON 2025

Samuel Deardorff

Bib: 1693•M

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
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
22:07
Rank: #8810
Start → 5K
22:07 | 7:07/mi
10K· 6.21 mi
44:21
Rank: #8926 (-116)
5K → 10K
22:14 | 7:09/mi
15K· 9.32 mi
1:07:00
Rank: #9240 (-314)
10K → 15K
22:39 | 7:17/mi
20K· 12.43 mi
1:30:28
Rank: #9689 (-449)
15K → 20K
23:28 | 7:33/mi
Half· 13.11 mi
1:35:35
Rank: #9788 (-99)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:54:24
Rank: #10131 (-343)
Half → 25K
18:49 | 7:46/mi
30K· 18.64 mi
2:19:54
Rank: #10632 (-501)
25K → 30K
25:30 | 8:12/mi
20M
2:31:22
Rank: #10841 (-209)
30K → 20M
11:28 | 8:26/mi
21M
2:40:28
Rank: #11004 (-163)
20M → 21M
9:06 | 9:06/mi
35K· 21.75 mi
2:46:33
Rank: #11062 (-58)
21M → 35K
6:05 | 8:08/mi
23M
2:57:11
Rank: #11160 (-98)
35K → 23M
10:38 | 8:30/mi
24M
3:05:24
Rank: #11199 (-39)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:12:27
Rank: #11202 (-3)
24M → 40K
7:03 | 8:15/mi
25.2M
3:15:33
Rank: #11193 (+9)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:23:18
Rank: #11119 (+74)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:35
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:47:43
Pace8:13 /mi
📊Positive Split: 12.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3622:077:0722:07
7:07
-
10K
6.21 mi11:12:5044:217:0822:14
7:09
+0:02
15K
9.32 mi11:35:291:07:007:1122:39
7:17
+0:08
20K
12.43 mi11:58:571:30:287:1723:28
7:33
+0:16
Half
13.11 mi12:04:041:35:357:175:07
7:30
-0:03
25K
15.53 mi12:22:531:54:247:2218:49
7:46
+0:16
30K
18.64 mi12:48:232:19:547:3025:30
8:12
+0:26
20M
20.00 mi12:59:512:31:227:3411:28
8:26
+0:14
21M
21.00 mi13:08:572:40:287:389:06
9:06
+0:40
35K
21.75 mi13:15:022:46:337:396:05
8:08
-0:58
23M
23.00 mi13:25:402:57:117:4210:38
8:30
+0:22
24M
24.00 mi13:33:533:05:247:448:13
8:13
-0:17
40K
24.85 mi13:40:563:12:277:457:03
8:15
+0:02
25.2M
25.20 mi13:44:023:15:337:463:06
8:59
+0:44
Finish
26.22 mi13:51:473:23:187:467:45
7:36
-1:23

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

7:07 /mi

Average Pace

7:46 /mi

Slowest Pace

9:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:09

60% of race

Time at Steady Pace

58:19

29% of race

Time at Slower Pace

22:50

11% of race

Average Pace: 7:45 /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 mi10:50:3622:077:0722:07
7:07
#8810
10K
6.21 mi11:12:5044:217:0822:14
7:09
#8926
15K
9.32 mi11:35:291:07:007:1122:39
7:17
#9240
20K
12.43 mi11:58:571:30:287:1723:28
7:33
#9689
Half
13.11 mi12:04:041:35:357:175:07
7:30
#9788
25K
15.53 mi12:22:531:54:247:2218:49
7:46
#10131
30K
18.64 mi12:48:232:19:547:3025:30
8:12
#10632
20M
20.00 mi12:59:512:31:227:3411:28
8:26
#10841
21M
21.00 mi13:08:572:40:287:389:06
9:06
#11004
35K
21.75 mi13:15:022:46:337:396:05
8:08
#11062
23M
23.00 mi13:25:402:57:117:4210:38
8:30
#11160
24M
24.00 mi13:33:533:05:247:448:13
8:13
#11199
40K
24.85 mi13:40:563:12:277:457:03
8:15
#11202
25.2M
25.20 mi13:44:023:15:337:463:06
8:59
#11193
Finish
26.22 mi13:51:473:23:187:467:45
7:36
#11119
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8810749974999917(Top 35%)8040(Top 50%)8040(Top 143%)
10K6.21 mi3.10 mi8926-1167548-497548-499125(Top 32%)7679(Top 48%)7679(Top 136%)
15K9.32 mi3.11 mi9240-3147721-1737721-1739917(Top 35%)8040(Top 50%)8040(Top 143%)
20K12.43 mi3.11 mi9689-4497931-2107931-21011184(Top 39%)8579(Top 53%)8579(Top 152%)
Half13.11 mi0.68 mi9788-997993-627993-6211629(Top 41%)8839(Top 55%)8839(Top 157%)
25K15.53 mi2.42 mi10131-3438132-1398132-13912013(Top 42%)8851(Top 55%)8851(Top 157%)
30K18.64 mi3.11 mi10632-5018331-1998331-19912866(Top 45%)9073(Top 56%)9073(Top 161%)
20M20.00 mi1.36 mi10841-2098384-538384-5313358(Top 47%)9144(Top 57%)9144(Top 162%)
21M21.00 mi1.00 mi11004-1638427-438427-4314061(Top 50%)9350(Top 58%)9350(Top 166%)
35K21.75 mi0.75 mi11062-588426+18426+113098(Top 46%)8834(Top 55%)8834(Top 157%)
23M23.00 mi1.25 mi11160-988435-98435-913238(Top 47%)8796(Top 55%)8796(Top 156%)
24M24.00 mi1.00 mi11199-398408+278408+2712654(Top 45%)8480(Top 53%)8480(Top 150%)
40K24.85 mi0.85 mi11202-38375+338375+3311808(Top 42%)7959(Top 49%)7959(Top 141%)
25.2M25.20 mi0.35 mi11193+98355+208355+2011689(Top 41%)7823(Top 49%)7823(Top 139%)
Finish26.22 mi1.02 mi11119+748283+728283+729955(Top 35%)6964(Top 43%)6964(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9917

Males

8040

M18-39

8040

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9125

Males

7679

M18-39

7679

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9917

Males

8040

M18-39

8040

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

11184

Males

8579

M18-39

8579

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11629

Males

8839

M18-39

8839

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

12013

Males

8851

M18-39

8851

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12866

Males

9073

M18-39

9073

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

13358

Males

9144

M18-39

9144

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14061

Males

9350

M18-39

9350

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13098

Males

8834

M18-39

8834

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13238

Males

8796

M18-39

8796

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12654

Males

8480

M18-39

8480

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11808

Males

7959

M18-39

7959

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11689

Males

7823

M18-39

7823

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9955

Males

6964

M18-39

6964

Passing Analysis

Category:
Athletes Passed
1055
Passed By
3361
Net Change
-2309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8810
5K → 10K159275-116#8810#8926
10K → 15K72386-314#8926#9240
15K → 20K84533-449#9240#9689
20K → Half12111-99#9689#9788
Half → 25K78419-343#9788#10131
25K → 30K115615-501#10131#10632
30K → 20M63272-209#10632#10841
20M → 21M56219-163#10841#11004
21M → 35K46104-58#11004#11062
35K → 23M76174-98#11062#11160
23M → 24M75114-39#11160#11199
24M → 40K7275-3#11199#11202
40K → 25.2M3829+9#11202#11193
25.2M → Finish10935+74#11193#11119
TOTALS10553361-2309
📊

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