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BOSTON MARATHON 2025

Daniel Barrett

Bib: 8111•M

CA

Masters
Boston Marathon logo
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0:00
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Age Group (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
21:24
Rank: #6978
Start → 5K
21:24 | 6:53/mi
10K· 6.21 mi
44:04
Rank: #8588 (-1610)
5K → 10K
22:40 | 7:18/mi
15K· 9.32 mi
1:07:37
Rank: #9795 (-1207)
10K → 15K
23:33 | 7:35/mi
20K· 12.43 mi
1:32:40
Rank: #11285 (-1490)
15K → 20K
25:03 | 8:04/mi
Half· 13.11 mi
1:37:58
Rank: #11415 (-130)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
1:58:35
Rank: #12470 (-1055)
Half → 25K
20:37 | 8:30/mi
30K· 18.64 mi
2:28:46
Rank: #14539 (-2069)
25K → 30K
30:11 | 9:43/mi
20M
2:42:51
Rank: #15440 (-901)
30K → 20M
14:05 | 10:22/mi
21M
2:55:55
Rank: #16561 (-1121)
20M → 21M
13:04 | 13:04/mi
35K· 21.75 mi
3:03:00
Rank: #16717 (-156)
21M → 35K
7:05 | 9:28/mi
23M
3:17:08
Rank: #17482 (-765)
35K → 23M
14:08 | 11:17/mi
24M
3:26:47
Rank: #17630 (-148)
23M → 24M
9:39 | 9:39/mi
40K· 24.85 mi
3:34:21
Rank: #17541 (+89)
24M → 40K
7:34 | 8:51/mi
25.2M
3:38:21
Rank: #17655 (-114)
40K → 25.2M
4:00 | 11:36/mi
Finish· 26.22 mi
3:47:54
Rank: #17809 (-154)
25.2M → Finish
9:33 | 9:22/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:37:58
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time2:09:56
Pace9:55 /mi
📊Positive Split: 32.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5721:246:5321:24
6:53
-
10K
6.21 mi10:51:3744:047:0622:40
7:18
+0:25
15K
9.32 mi11:15:101:07:377:1523:33
7:35
+0:17
20K
12.43 mi11:40:131:32:407:2725:03
8:04
+0:29
Half
13.11 mi11:45:311:37:587:285:18
7:46
-0:18
25K
15.53 mi12:06:081:58:357:3820:37
8:30
+0:44
30K
18.64 mi12:36:192:28:467:5930:11
9:43
+1:13
20M
20.00 mi12:50:242:42:518:0914:05
10:22
+0:39
21M
21.00 mi13:03:282:55:558:2313:04
13:04
+2:42
35K
21.75 mi13:10:333:03:008:257:05
9:28
-3:36
23M
23.00 mi13:24:413:17:088:3414:08
11:17
+1:49
24M
24.00 mi13:34:203:26:478:379:39
9:39
-1:38
40K
24.85 mi13:41:543:34:218:377:34
8:51
-0:48
25.2M
25.20 mi13:45:543:38:218:404:00
11:36
+2:45
Finish
26.22 mi13:55:273:47:548:429:33
9:22
-2:14

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:53 /mi

Average Pace

8:42 /mi

Slowest Pace

13:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:58:35

52% of race

Time at Steady Pace

1:04:02

28% of race

Time at Slower Pace

45:17

20% of race

Average Pace: 8:42 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:28:5721:246:5321:24
6:53
#6978
10K
6.21 mi10:51:3744:047:0622:40
7:18
#8588
15K
9.32 mi11:15:101:07:377:1523:33
7:35
#9795
20K
12.43 mi11:40:131:32:407:2725:03
8:04
#11285
Half
13.11 mi11:45:311:37:587:285:18
7:46
#11415
25K
15.53 mi12:06:081:58:357:3820:37
8:30
#12470
30K
18.64 mi12:36:192:28:467:5930:11
9:43
#14539
20M
20.00 mi12:50:242:42:518:0914:05
10:22
#15440
21M
21.00 mi13:03:282:55:558:2313:04
13:04
#16561
35K
21.75 mi13:10:333:03:008:257:05
9:28
#16717
23M
23.00 mi13:24:413:17:088:3414:08
11:17
#17482
24M
24.00 mi13:34:203:26:478:379:39
9:39
#17630
40K
24.85 mi13:41:543:34:218:377:34
8:51
#17541
25.2M
25.20 mi13:45:543:38:218:404:00
11:36
#17655
Finish
26.22 mi13:55:273:47:548:429:33
9:22
#17809
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi69786288628812422(Top 44%)9268(Top 58%)9268(Top 388%)
10K6.21 mi3.10 mi8588-16107347-10597347-105910317(Top 36%)8325(Top 52%)8325(Top 349%)
15K9.32 mi3.11 mi9795-12078029-6828029-68212422(Top 44%)9268(Top 58%)9268(Top 388%)
20K12.43 mi3.11 mi11285-14908757-7288757-72815364(Top 54%)10484(Top 65%)10484(Top 439%)
Half13.11 mi0.68 mi11415-1308820-638820-6313975(Top 49%)9919(Top 62%)9919(Top 416%)
25K15.53 mi2.42 mi12470-10559261-4419261-44117215(Top 61%)11187(Top 69%)11187(Top 469%)
30K18.64 mi3.11 mi14539-206910087-82610087-82620731(Top 73%)12605(Top 78%)12605(Top 528%)
20M20.00 mi1.36 mi15440-90110451-36410451-36422039(Top 78%)13069(Top 81%)13069(Top 548%)
21M21.00 mi1.00 mi16561-112110898-44710898-44725122(Top 88%)14431(Top 90%)14431(Top 605%)
35K21.75 mi0.75 mi16717-15610943-4510943-4520197(Top 71%)12060(Top 75%)12060(Top 505%)
23M23.00 mi1.25 mi17482-76511219-27611219-27623850(Top 84%)13760(Top 85%)13760(Top 577%)
24M24.00 mi1.00 mi17630-14811260-4111260-4120174(Top 71%)11946(Top 74%)11946(Top 501%)
40K24.85 mi0.85 mi17541+8911192+6811192+6815459(Top 54%)9646(Top 60%)9646(Top 404%)
25.2M25.20 mi0.35 mi17655-11411235-4311235-4322257(Top 78%)12907(Top 80%)12907(Top 541%)
Finish26.22 mi1.02 mi17809-15411290-5511290-5520654(Top 73%)12126(Top 75%)12126(Top 508%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

12422

Males

9268

M45-49

9268

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

10317

Males

8325

M45-49

8325

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

12422

Males

9268

M45-49

9268

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

15364

Males

10484

M45-49

10484

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13975

Males

9919

M45-49

9919

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17215

Males

11187

M45-49

11187

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20731

Males

12605

M45-49

12605

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

22039

Males

13069

M45-49

13069

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

25122

Males

14431

M45-49

14431

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20197

Males

12060

M45-49

12060

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23850

Males

13760

M45-49

13760

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20174

Males

11946

M45-49

11946

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15459

Males

9646

M45-49

9646

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22257

Males

12907

M45-49

12907

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20654

Males

12126

M45-49

12126

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
371
Passed By
11199
Net Change
-10831
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6978
5K → 10K101620-1610#6978#8588
10K → 15K151221-1207#8588#9795
15K → 20K191507-1490#9795#11285
20K → Half7137-130#11285#11415
Half → 25K301085-1055#11415#12470
25K → 30K302099-2069#12470#14539
30K → 20M19920-901#14539#15440
20M → 21M61127-1121#15440#16561
21M → 35K34190-156#16561#16717
35K → 23M22787-765#16717#17482
23M → 24M38186-148#17482#17630
24M → 40K11021+89#17630#17541
40K → 25.2M7121-114#17541#17655
25.2M → Finish24178-154#17655#17809
TOTALS37111199-10831
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing