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BOSTON MARATHON 2025

Dylan Harwell

Bib: 13998•M

CT

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
24:36
Rank: #15856
Start → 5K
7:55/mi
24:36 split
10K· 6.21 mi
49:37
Rank: #16381 (-525)
5K → 10K
8:03/mi
25:01 split
15K· 9.32 mi
1:14:39
Rank: #16400 (-19)
10K → 15K
8:03/mi
25:02 split
20K· 12.43 mi
1:39:45
Rank: #16134 (+266)
15K → 20K
8:05/mi
25:06 split
Half· 13.11 mi
1:45:13
Rank: #16139 (-5)
20K → Half
8:01/mi
5:28 split
25K· 15.53 mi
2:04:47
Rank: #15826 (+313)
Half → 25K
8:04/mi
19:34 split
30K· 18.64 mi
2:30:23
Rank: #15263 (+563)
25K → 30K
8:14/mi
25:36 split
20M
2:41:55
Rank: #15103 (+160)
30K → 20M
8:29/mi
11:32 split
21M
2:51:08
Rank: #15022 (+81)
20M → 21M
9:13/mi
9:13 split
35K· 21.75 mi
2:57:13
Rank: #14930 (+92)
21M → 35K
8:08/mi
6:05 split
23M
3:07:49
Rank: #14776 (+154)
35K → 23M
8:28/mi
10:36 split
24M
3:16:04
Rank: #14677 (+99)
23M → 24M
8:15/mi
8:15 split
40K· 24.85 mi
3:23:13
Rank: #14569 (+108)
24M → 40K
8:22/mi
7:09 split
25.2M
3:26:20
Rank: #14514 (+55)
40K → 25.2M
9:02/mi
3:07 split
Finish· 26.22 mi
3:34:34
Rank: #14441 (+73)
25.2M → Finish
8:05/mi
8:14 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:13
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:49:21
Pace8:20 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5424:367:5524:36
7:55
-
10K
6.21 mi11:18:5549:377:5925:01
8:03
+0:08
15K
9.32 mi11:43:571:14:398:0125:02
8:03
0:00
20K
12.43 mi12:09:031:39:458:0225:06
8:05
+0:02
Half
13.11 mi12:14:311:45:138:025:28
8:01
-0:04
25K
15.53 mi12:34:052:04:478:0219:34
8:04
+0:03
30K
18.64 mi12:59:412:30:238:0425:36
8:14
+0:10
20M
20.00 mi13:11:132:41:558:0611:32
8:29
+0:15
21M
21.00 mi13:20:262:51:088:099:13
9:13
+0:44
35K
21.75 mi13:26:312:57:138:096:05
8:08
-1:05
23M
23.00 mi13:37:073:07:498:1010:36
8:28
+0:20
24M
24.00 mi13:45:223:16:048:108:15
8:15
-0:13
40K
24.85 mi13:52:313:23:138:117:09
8:22
+0:07
25.2M
25.20 mi13:55:383:26:208:113:07
9:02
+0:40
Finish
26.22 mi14:03:523:34:348:118:14
8:05
-0:57

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

7:55 /mi

Average Pace

8:11 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:14

94% of race

Time at Steady Pace

12:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:11 /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 mi10:53:5424:367:5524:36
7:55
#15856
10K
6.21 mi11:18:5549:377:5925:01
8:03
#16381
15K
9.32 mi11:43:571:14:398:0125:02
8:03
#16400
20K
12.43 mi12:09:031:39:458:0225:06
8:05
#16134
Half
13.11 mi12:14:311:45:138:025:28
8:01
#16139
25K
15.53 mi12:34:052:04:478:0219:34
8:04
#15826
30K
18.64 mi12:59:412:30:238:0425:36
8:14
#15263
20M
20.00 mi13:11:132:41:558:0611:32
8:29
#15103
21M
21.00 mi13:20:262:51:088:099:13
9:13
#15022
35K
21.75 mi13:26:312:57:138:096:05
8:08
#14930
23M
23.00 mi13:37:073:07:498:1010:36
8:28
#14776
24M
24.00 mi13:45:223:16:048:108:15
8:15
#14677
40K
24.85 mi13:52:313:23:138:117:09
8:22
#14569
25.2M
25.20 mi13:55:383:26:208:113:07
9:02
#14514
Finish
26.22 mi14:03:523:34:348:118:14
8:05
#14441
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15856107511075116449(Top 58%)10992(Top 68%)10992(Top 195%)
10K6.21 mi3.10 mi16381-52510962-21110962-21116848(Top 59%)11181(Top 69%)11181(Top 198%)
15K9.32 mi3.11 mi16400-1910975-1310975-1316449(Top 58%)10992(Top 68%)10992(Top 195%)
20K12.43 mi3.11 mi16134+26610857+11810857+11815479(Top 54%)10531(Top 65%)10531(Top 187%)
Half13.11 mi0.68 mi16139-510850+710850+715932(Top 56%)10735(Top 67%)10735(Top 190%)
25K15.53 mi2.42 mi15826+31310710+14010710+14014414(Top 51%)9937(Top 62%)9937(Top 176%)
30K18.64 mi3.11 mi15263+56310414+29610414+29613095(Top 46%)9184(Top 57%)9184(Top 163%)
20M20.00 mi1.36 mi15103+16010299+11510299+11513686(Top 48%)9301(Top 58%)9301(Top 165%)
21M21.00 mi1.00 mi15022+8110242+5710242+5714695(Top 52%)9659(Top 60%)9659(Top 171%)
35K21.75 mi0.75 mi14930+9210190+5210190+5213134(Top 46%)8870(Top 55%)8870(Top 157%)
23M23.00 mi1.25 mi14776+15410090+10010090+10013090(Top 46%)8741(Top 54%)8741(Top 155%)
24M24.00 mi1.00 mi14677+9910015+7510015+7512900(Top 45%)8604(Top 53%)8604(Top 152%)
40K24.85 mi0.85 mi14569+1089945+709945+7012529(Top 44%)8299(Top 52%)8299(Top 147%)
25.2M25.20 mi0.35 mi14514+559901+449901+4411983(Top 42%)7994(Top 50%)7994(Top 142%)
Finish26.22 mi1.02 mi14441+739841+609841+6013428(Top 47%)8736(Top 54%)8736(Top 155%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16449

Males

10992

M18-39

10992

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16848

Males

11181

M18-39

11181

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16449

Males

10992

M18-39

10992

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15479

Males

10531

M18-39

10531

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15932

Males

10735

M18-39

10735

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14414

Males

9937

M18-39

9937

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13095

Males

9184

M18-39

9184

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13686

Males

9301

M18-39

9301

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14695

Males

9659

M18-39

9659

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13134

Males

8870

M18-39

8870

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

13090

Males

8741

M18-39

8741

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12900

Males

8604

M18-39

8604

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12529

Males

8299

M18-39

8299

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11983

Males

7994

M18-39

7994

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13428

Males

8736

M18-39

8736

Passing Analysis

Category:
Athletes Passed
2754
Passed By
1339
Net Change
+1415
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15856
5K → 10K151676-525#15856#16381
10K → 15K204223-19#16381#16400
15K → 20K35488+266#16400#16134
20K → Half2732-5#16134#16139
Half → 25K34633+313#16139#15826
25K → 30K59633+563#15826#15263
30K → 20M20040+160#15263#15103
20M → 21M14766+81#15103#15022
21M → 35K10715+92#15022#14930
35K → 23M19440+154#14930#14776
23M → 24M12223+99#14776#14677
24M → 40K13022+108#14677#14569
40K → 25.2M649+55#14569#14514
25.2M → Finish11239+73#14514#14441
TOTALS27541339+1415
📊

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