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BOSTON MARATHON 2025

Doug Burton

Bib: 10182•M

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
Masters (Masters Men)
#0 / 10463
Top 32%
Division (M45-49)
#0 / 2386
Top 45%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:22
Rank: #9444
Start → 5K
22:22 | 7:12/mi
10K· 6.21 mi
44:43
Rank: #9419 (+25)
5K → 10K
22:21 | 7:12/mi
15K· 9.32 mi
1:07:40
Rank: #9845 (-426)
10K → 15K
22:57 | 7:23/mi
20K· 12.43 mi
1:30:57
Rank: #10025 (-180)
15K → 20K
23:17 | 7:30/mi
Half· 13.11 mi
1:35:59
Rank: #10056 (-31)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:54:16
Rank: #10052 (+4)
Half → 25K
18:17 | 7:32/mi
30K· 18.64 mi
2:18:12
Rank: #9818 (+234)
25K → 30K
23:56 | 7:42/mi
20M
2:28:41
Rank: #9666 (+152)
30K → 20M
10:29 | 7:43/mi
21M
2:36:54
Rank: #9563 (+103)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:42:32
Rank: #9517 (+46)
21M → 35K
5:38 | 7:32/mi
23M
2:52:07
Rank: #9351 (+166)
35K → 23M
9:35 | 7:39/mi
24M
2:59:20
Rank: #9141 (+210)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
3:05:28
Rank: #8891 (+250)
24M → 40K
6:08 | 7:10/mi
25.2M
3:08:15
Rank: #8837 (+54)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:15:28
Rank: #8698 (+139)
25.2M → Finish
7:13 | 7:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:59
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0922:227:1222:22
7:12
-
10K
6.21 mi11:10:3044:437:1222:21
7:12
0:00
15K
9.32 mi11:33:271:07:407:1622:57
7:23
+0:11
20K
12.43 mi11:56:441:30:577:1923:17
7:30
+0:07
Half
13.11 mi12:01:461:35:597:195:02
7:23
-0:07
25K
15.53 mi12:20:031:54:167:2118:17
7:32
+0:09
30K
18.64 mi12:43:592:18:127:2523:56
7:42
+0:10
20M
20.00 mi12:54:282:28:417:2610:29
7:43
+0:01
21M
21.00 mi13:02:412:36:547:288:13
8:13
+0:30
35K
21.75 mi13:08:192:42:327:285:38
7:32
-0:41
23M
23.00 mi13:17:542:52:077:299:35
7:39
+0:07
24M
24.00 mi13:25:072:59:207:287:13
7:13
-0:26
40K
24.85 mi13:31:153:05:287:286:08
7:10
-0:03
25.2M
25.20 mi13:34:023:08:157:282:47
8:04
+0:54
Finish
26.22 mi13:41:153:15:287:287:13
7:05
-0:59

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

7:05 /mi

Average Pace

7:28 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:28

94% of race

Time at Steady Pace

11:00

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /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 mi10:48:0922:227:1222:22
7:12
#9444
10K
6.21 mi11:10:3044:437:1222:21
7:12
#9419
15K
9.32 mi11:33:271:07:407:1622:57
7:23
#9845
20K
12.43 mi11:56:441:30:577:1923:17
7:30
#10025
Half
13.11 mi12:01:461:35:597:195:02
7:23
#10056
25K
15.53 mi12:20:031:54:167:2118:17
7:32
#10052
30K
18.64 mi12:43:592:18:127:2523:56
7:42
#9818
20M
20.00 mi12:54:282:28:417:2610:29
7:43
#9666
21M
21.00 mi13:02:412:36:547:288:13
8:13
#9563
35K
21.75 mi13:08:192:42:327:285:38
7:32
#9517
23M
23.00 mi13:17:542:52:077:299:35
7:39
#9351
24M
24.00 mi13:25:072:59:207:287:13
7:13
#9141
40K
24.85 mi13:31:153:05:287:286:08
7:10
#8891
25.2M
25.20 mi13:34:023:08:157:282:47
8:04
#8837
Finish
26.22 mi13:41:153:15:287:287:13
7:05
#8698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi94447853785310723(Top 38%)8457(Top 53%)8457(Top 354%)
10K6.21 mi3.10 mi9419+257855-27855-29425(Top 33%)7832(Top 49%)7832(Top 328%)
15K9.32 mi3.11 mi9845-4268048-1938048-19310723(Top 38%)8457(Top 53%)8457(Top 354%)
20K12.43 mi3.11 mi10025-1808116-688116-6810696(Top 38%)8350(Top 52%)8350(Top 350%)
Half13.11 mi0.68 mi10056-318127-118127-1110593(Top 37%)8315(Top 52%)8315(Top 348%)
25K15.53 mi2.42 mi10052+48091+368091+3610280(Top 36%)8022(Top 50%)8022(Top 336%)
30K18.64 mi3.11 mi9818+2347913+1787913+1789204(Top 32%)7253(Top 45%)7253(Top 304%)
20M20.00 mi1.36 mi9666+1527798+1157798+1158437(Top 30%)6692(Top 42%)6692(Top 280%)
21M21.00 mi1.00 mi9563+1037712+867712+868669(Top 31%)6633(Top 41%)6633(Top 278%)
35K21.75 mi0.75 mi9517+467670+427670+428812(Top 31%)6743(Top 42%)6743(Top 283%)
23M23.00 mi1.25 mi9351+1667532+1387532+1387606(Top 27%)5936(Top 37%)5936(Top 249%)
24M24.00 mi1.00 mi9141+2107388+1447388+1445934(Top 21%)4882(Top 30%)4882(Top 205%)
40K24.85 mi0.85 mi8891+2507202+1867202+1864925(Top 17%)4169(Top 26%)4169(Top 175%)
25.2M25.20 mi0.35 mi8837+547153+497153+496316(Top 22%)4949(Top 31%)4949(Top 207%)
Finish26.22 mi1.02 mi8698+1397046+1077046+1076262(Top 22%)4905(Top 30%)4905(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10723

Males

8457

M45-49

8457

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

9425

Males

7832

M45-49

7832

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10723

Males

8457

M45-49

8457

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10696

Males

8350

M45-49

8350

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10593

Males

8315

M45-49

8315

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10280

Males

8022

M45-49

8022

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

9204

Males

7253

M45-49

7253

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8437

Males

6692

M45-49

6692

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8669

Males

6633

M45-49

6633

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8812

Males

6743

M45-49

6743

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7606

Males

5936

M45-49

5936

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5934

Males

4882

M45-49

4882

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4925

Males

4169

M45-49

4169

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6316

Males

4949

M45-49

4949

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6262

Males

4905

M45-49

4905

Passing Analysis

Category:
Athletes Passed
2254*
Passed By
1504
Net Change
+746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9444
5K → 10K242217+25#9444#9419
10K → 15K67492-426#9419#9845
15K → 20K127305-180#9845#10025
20K → Half2253-31#10025#10056
Half → 25K157153+4#10056#10052
25K → 30K343*109+234#10052#9818
30K → 20M18633+152#9818#9666
20M → 21M14037+103#9666#9563
21M → 35K8539+46#9563#9517
35K → 23M19327+166#9517#9351
23M → 24M2199+210#9351#9141
24M → 40K2511+250#9141#8891
40K → 25.2M6410+54#8891#8837
25.2M → Finish15819+139#8837#8698
TOTALS2254*1504+746

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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