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BOSTON MARATHON 2025

Bradford Buchta

Bib: 10450•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:55
Rank: #11089
Start → 5K
22:55 | 7:23/mi
10K· 6.21 mi
45:46
Rank: #10907 (+182)
5K → 10K
22:51 | 7:21/mi
15K· 9.32 mi
1:08:31
Rank: #10643 (+264)
10K → 15K
22:45 | 7:19/mi
20K· 12.43 mi
1:31:26
Rank: #10368 (+275)
15K → 20K
22:55 | 7:23/mi
Half· 13.11 mi
1:36:26
Rank: #10354 (+14)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:54:28
Rank: #10171 (+183)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:18:28
Rank: #9935 (+236)
25K → 30K
24:00 | 7:43/mi
20M
2:29:08
Rank: #9846 (+89)
30K → 20M
10:40 | 7:51/mi
21M
2:37:38
Rank: #9839 (+7)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:43:45
Rank: #9993 (-154)
21M → 35K
6:07 | 8:11/mi
23M
2:53:45
Rank: #9967 (+26)
35K → 23M
10:00 | 7:59/mi
24M
3:01:37
Rank: #9945 (+22)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:08:13
Rank: #9845 (+100)
24M → 40K
6:36 | 7:43/mi
25.2M
3:11:07
Rank: #9803 (+42)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:18:33
Rank: #9701 (+102)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:26
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:42:07
Pace7:47 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5122:557:2322:55
7:23
-
10K
6.21 mi11:11:4245:467:2222:51
7:21
-0:02
15K
9.32 mi11:34:271:08:317:2122:45
7:19
-0:02
20K
12.43 mi11:57:221:31:267:2122:55
7:23
+0:04
Half
13.11 mi12:02:221:36:267:215:00
7:20
-0:03
25K
15.53 mi12:20:241:54:287:2218:02
7:26
+0:06
30K
18.64 mi12:44:242:18:287:2624:00
7:43
+0:17
20M
20.00 mi12:55:042:29:087:2710:40
7:51
+0:08
21M
21.00 mi13:03:342:37:387:308:30
8:30
+0:39
35K
21.75 mi13:09:412:43:457:326:07
8:11
-0:19
23M
23.00 mi13:19:412:53:457:3310:00
7:59
-0:12
24M
24.00 mi13:27:333:01:377:347:52
7:52
-0:07
40K
24.85 mi13:34:093:08:137:346:36
7:43
-0:09
25.2M
25.20 mi13:37:033:11:077:352:54
8:25
+0:42
Finish
26.22 mi13:44:293:18:337:357:26
7:18
-1:07

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

7:18 /mi

Average Pace

7:35 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:02

91% of race

Time at Steady Pace

17:31

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:48:5122:557:2322:55
7:23
#11089
10K
6.21 mi11:11:4245:467:2222:51
7:21
#10907
15K
9.32 mi11:34:271:08:317:2122:45
7:19
#10643
20K
12.43 mi11:57:221:31:267:2122:55
7:23
#10368
Half
13.11 mi12:02:221:36:267:215:00
7:20
#10354
25K
15.53 mi12:20:241:54:287:2218:02
7:26
#10171
30K
18.64 mi12:44:242:18:287:2624:00
7:43
#9935
20M
20.00 mi12:55:042:29:087:2710:40
7:51
#9846
21M
21.00 mi13:03:342:37:387:308:30
8:30
#9839
35K
21.75 mi13:09:412:43:457:326:07
8:11
#9993
23M
23.00 mi13:19:412:53:457:3310:00
7:59
#9967
24M
24.00 mi13:27:333:01:377:347:52
7:52
#9945
40K
24.85 mi13:34:093:08:137:346:36
7:43
#9845
25.2M
25.20 mi13:37:033:11:077:352:54
8:25
#9803
Finish
26.22 mi13:44:293:18:337:357:26
7:18
#9701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi110898731873110157(Top 36%)8170(Top 51%)8170(Top 342%)
10K6.21 mi3.10 mi10907+1828617+1148617+11410779(Top 38%)8549(Top 53%)8549(Top 358%)
15K9.32 mi3.11 mi10643+2648461+1568461+15610157(Top 36%)8170(Top 51%)8170(Top 342%)
20K12.43 mi3.11 mi10368+2758300+1618300+1619681(Top 34%)7836(Top 49%)7836(Top 328%)
Half13.11 mi0.68 mi10354+148283+178283+1710196(Top 36%)8112(Top 50%)8112(Top 340%)
25K15.53 mi2.42 mi10171+1838152+1318152+1319434(Top 33%)7569(Top 47%)7569(Top 317%)
30K18.64 mi3.11 mi9935+2367981+1717981+1719357(Top 33%)7348(Top 46%)7348(Top 308%)
20M20.00 mi1.36 mi9846+897904+777904+779356(Top 33%)7183(Top 45%)7183(Top 301%)
21M21.00 mi1.00 mi9839+77864+407864+4010430(Top 37%)7568(Top 47%)7568(Top 317%)
35K21.75 mi0.75 mi9993-1547902-387902-3813405(Top 47%)8981(Top 56%)8981(Top 376%)
23M23.00 mi1.25 mi9967+267846+567846+569911(Top 35%)7186(Top 45%)7186(Top 301%)
24M24.00 mi1.00 mi9945+227805+417805+4110301(Top 36%)7321(Top 45%)7321(Top 307%)
40K24.85 mi0.85 mi9845+1007714+917714+918210(Top 29%)6109(Top 38%)6109(Top 256%)
25.2M25.20 mi0.35 mi9803+427676+387676+388224(Top 29%)6048(Top 38%)6048(Top 253%)
Finish26.22 mi1.02 mi9701+1027584+927584+927737(Top 27%)5766(Top 36%)5766(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10157

Males

8170

M45-49

8170

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10779

Males

8549

M45-49

8549

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10157

Males

8170

M45-49

8170

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9681

Males

7836

M45-49

7836

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10196

Males

8112

M45-49

8112

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9434

Males

7569

M45-49

7569

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9357

Males

7348

M45-49

7348

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9356

Males

7183

M45-49

7183

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10430

Males

7568

M45-49

7568

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13405

Males

8981

M45-49

8981

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9911

Males

7186

M45-49

7186

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10301

Males

7321

M45-49

7321

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8210

Males

6109

M45-49

6109

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

8224

Males

6048

M45-49

6048

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7737

Males

5766

M45-49

5766

Passing Analysis

Category:
Athletes Passed
2415*
Passed By
1022
Net Change
+1388
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11089
5K → 10K350168+182#11089#10907
10K → 15K31349+264#10907#10643
15K → 20K32045+275#10643#10368
20K → Half3723+14#10368#10354
Half → 25K25067+183#10354#10171
25K → 30K344*108+236#10171#9935
30K → 20M15161+89#9935#9846
20M → 21M10598+7#9846#9839
21M → 35K34187-154#9839#9993
35K → 23M11285+26#9993#9967
23M → 24M9067+22#9967#9945
24M → 40K12928+100#9945#9845
40K → 25.2M5614+42#9845#9803
25.2M → Finish12422+102#9803#9701
TOTALS2415*1022+1388

* 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