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BOSTON MARATHON 2025

Daniel Harper

Bib: 5415•M

SC

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
27:29
Rank: #21734
Start → 5K
27:29 | 8:51/mi
10K· 6.21 mi
56:44
Rank: #22941 (-1207)
5K → 10K
29:15 | 9:25/mi
15K· 9.32 mi
1:25:17
Rank: #22910 (+31)
10K → 15K
28:33 | 9:11/mi
20K· 12.43 mi
1:55:42
Rank: #23172 (-262)
15K → 20K
30:25 | 9:47/mi
Half· 13.11 mi
2:02:14
Rank: #23190 (-18)
20K → Half
6:32 | 9:35/mi
25K· 15.53 mi
2:27:03
Rank: #23309 (-119)
Half → 25K
24:49 | 10:14/mi
30K· 18.64 mi
3:07:26
Rank: #24355 (-1046)
25K → 30K
40:23 | 13:00/mi
20M
3:28:22
Rank: #24915 (-560)
30K → 20M
20:56 | 15:24/mi
21M
3:44:05
Rank: #25179 (-264)
20M → 21M
15:43 | 15:43/mi
35K· 21.75 mi
3:56:11
Rank: #25448 (-269)
21M → 35K
12:06 | 16:10/mi
23M
4:16:28
Rank: #25831 (-383)
35K → 23M
20:17 | 16:12/mi
24M
4:31:27
Rank: #26022 (-191)
23M → 24M
14:59 | 14:59/mi
40K· 24.85 mi
4:40:13
Rank: #25911 (+111)
24M → 40K
8:46 | 10:15/mi
25.2M
4:43:36
Rank: #25841 (+70)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
4:55:35
Rank: #25876 (-35)
25.2M → Finish
11:59 | 11:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:14
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:53:21
Pace13:13 /mi
📊Positive Split: 41.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:2327:298:5127:29
8:51
-
10K
6.21 mi11:00:3856:449:0829:15
9:25
+0:34
15K
9.32 mi11:29:111:25:179:0928:33
9:11
-0:14
20K
12.43 mi11:59:361:55:429:1930:25
9:47
+0:36
Half
13.11 mi12:06:082:02:149:196:32
9:35
-0:12
25K
15.53 mi12:30:572:27:039:2824:49
10:14
+0:39
30K
18.64 mi13:11:203:07:2610:0340:23
13:00
+2:46
20M
20.00 mi13:32:163:28:2210:2520:56
15:24
+2:24
21M
21.00 mi13:47:593:44:0510:4015:43
15:43
+0:19
35K
21.75 mi14:00:053:56:1110:5212:06
16:10
+0:27
23M
23.00 mi14:20:224:16:2811:0920:17
16:12
+0:02
24M
24.00 mi14:35:214:31:2711:1914:59
14:59
-1:13
40K
24.85 mi14:44:074:40:1311:168:46
10:15
-4:44
25.2M
25.20 mi14:47:304:43:3611:153:23
9:49
-0:26
Finish
26.22 mi14:59:294:55:3511:1711:59
11:46
+1:57

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

8:51 /mi

Average Pace

11:17 /mi

Slowest Pace

16:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:29

9% of race

Time at Steady Pace

2:11:43

45% of race

Time at Slower Pace

2:16:23

46% of race

Average Pace: 11:16 /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 mi10:31:2327:298:5127:29
8:51
#21734
10K
6.21 mi11:00:3856:449:0829:15
9:25
#22941
15K
9.32 mi11:29:111:25:179:0928:33
9:11
#22910
20K
12.43 mi11:59:361:55:429:1930:25
9:47
#23172
Half
13.11 mi12:06:082:02:149:196:32
9:35
#23190
25K
15.53 mi12:30:572:27:039:2824:49
10:14
#23309
30K
18.64 mi13:11:203:07:2610:0340:23
13:00
#24355
20M
20.00 mi13:32:163:28:2210:2520:56
15:24
#24915
21M
21.00 mi13:47:593:44:0510:4015:43
15:43
#25179
35K
21.75 mi14:00:053:56:1110:5212:06
16:10
#25448
23M
23.00 mi14:20:224:16:2811:0920:17
16:12
#25831
24M
24.00 mi14:35:214:31:2711:1914:59
14:59
#26022
40K
24.85 mi14:44:074:40:1311:168:46
10:15
#25911
25.2M
25.20 mi14:47:304:43:3611:153:23
9:49
#25841
Finish
26.22 mi14:59:294:55:3511:1711:59
11:46
#25876
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21734131981319822833(Top 80%)13763(Top 85%)13763(Top 244%)
10K6.21 mi3.10 mi22941-120713760-56213760-56223870(Top 84%)14204(Top 88%)14204(Top 252%)
15K9.32 mi3.11 mi22910+3113773-1313773-1322833(Top 80%)13763(Top 85%)13763(Top 244%)
20K12.43 mi3.11 mi23172-26213892-11913892-11923740(Top 84%)14111(Top 88%)14111(Top 250%)
Half13.11 mi0.68 mi23190-1813905-1313905-1323793(Top 84%)14152(Top 88%)14152(Top 251%)
25K15.53 mi2.42 mi23309-11913946-4113946-4123796(Top 84%)14104(Top 88%)14104(Top 250%)
30K18.64 mi3.11 mi24355-104614369-42314369-42326674(Top 94%)15289(Top 95%)15289(Top 271%)
20M20.00 mi1.36 mi24915-56014599-23014599-23028023(Top 99%)15885(Top 99%)15885(Top 282%)
21M21.00 mi1.00 mi25179-26414705-10614705-10627672(Top 97%)15707(Top 98%)15707(Top 278%)
35K21.75 mi0.75 mi25448-26914819-11414819-11428269(Top 100%)16018(Top 99%)16018(Top 284%)
23M23.00 mi1.25 mi25831-38314993-17414993-17428180(Top 99%)15956(Top 99%)15956(Top 283%)
24M24.00 mi1.00 mi26022-19115073-8015073-8028047(Top 99%)15863(Top 98%)15863(Top 281%)
40K24.85 mi0.85 mi25911+11115014+5915014+5921243(Top 75%)12407(Top 77%)12407(Top 220%)
25.2M25.20 mi0.35 mi25841+7014970+4414970+4416147(Top 57%)9972(Top 62%)9972(Top 177%)
Finish26.22 mi1.02 mi25876-3514978-814978-826492(Top 93%)15038(Top 93%)15038(Top 267%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22833

Males

13763

M18-39

13763

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23870

Males

14204

M18-39

14204

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22833

Males

13763

M18-39

13763

15K→20K

9.3 - 12.4 mi

Top 84%
×5stories
+106ft-86ft

Overall

23740

Males

14111

M18-39

14111

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23793

Males

14152

M18-39

14152

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23796

Males

14104

M18-39

14104

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

26674

Males

15289

M18-39

15289

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28023

Males

15885

M18-39

15885

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27672

Males

15707

M18-39

15707

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

28269

Males

16018

M18-39

16018

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28180

Males

15956

M18-39

15956

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28047

Males

15863

M18-39

15863

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21243

Males

12407

M18-39

12407

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16147

Males

9972

M18-39

9972

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

26492

Males

15038

M18-39

15038

Passing Analysis

Category:
Athletes Passed
658
Passed By
4800
Net Change
-4142
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21734
5K → 10K331240-1207#21734#22941
10K → 15K183152+31#22941#22910
15K → 20K98360-262#22910#23172
20K → Half2846-18#23172#23190
Half → 25K86205-119#23190#23309
25K → 30K141060-1046#23309#24355
30K → 20M8568-560#24355#24915
20M → 21M5269-264#24915#25179
21M → 35K2271-269#25179#25448
35K → 23M2385-383#25448#25831
23M → 24M3194-191#25831#26022
24M → 40K1121+111#26022#25911
40K → 25.2M700+70#25911#25841
25.2M → Finish1449-35#25841#25876
TOTALS6584800-4142
📊

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