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BOSTON MARATHON 2025

David Beck

Bib: 12263•M

MO

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
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: #11097
Start → 5K
22:55 | 7:23/mi
10K· 6.21 mi
45:29
Rank: #10497 (+600)
5K → 10K
22:34 | 7:16/mi
15K· 9.32 mi
1:07:51
Rank: #10035 (+462)
10K → 15K
22:22 | 7:12/mi
20K· 12.43 mi
1:31:02
Rank: #10090 (-55)
15K → 20K
23:11 | 7:28/mi
Half· 13.11 mi
1:35:59
Rank: #10062 (+28)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:54:37
Rank: #10261 (-199)
Half → 25K
18:38 | 7:41/mi
30K· 18.64 mi
2:19:10
Rank: #10274 (-13)
25K → 30K
24:33 | 7:54/mi
20M
2:30:15
Rank: #10359 (-85)
30K → 20M
11:05 | 8:09/mi
21M
2:38:51
Rank: #10373 (-14)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:45:05
Rank: #10527 (-154)
21M → 35K
6:14 | 8:20/mi
23M
2:56:11
Rank: #10813 (-286)
35K → 23M
11:06 | 8:52/mi
24M
3:05:30
Rank: #11236 (-423)
23M → 24M
9:19 | 9:19/mi
40K· 24.85 mi
3:13:04
Rank: #11418 (-182)
24M → 40K
7:34 | 8:51/mi
25.2M
3:16:19
Rank: #11455 (-37)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:24:59
Rank: #11676 (-221)
25.2M → Finish
8:40 | 8:30/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
Time1:49:00
Pace8:19 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4822:557:2322:55
7:23
-
10K
6.21 mi11:13:2245:297:1922:34
7:16
-0:07
15K
9.32 mi11:35:441:07:517:1722:22
7:12
-0:04
20K
12.43 mi11:58:551:31:027:2023:11
7:28
+0:16
Half
13.11 mi12:03:521:35:597:194:57
7:15
-0:13
25K
15.53 mi12:22:301:54:377:2318:38
7:41
+0:26
30K
18.64 mi12:47:032:19:107:2824:33
7:54
+0:13
20M
20.00 mi12:58:082:30:157:3111:05
8:09
+0:15
21M
21.00 mi13:06:442:38:517:348:36
8:36
+0:27
35K
21.75 mi13:12:582:45:057:356:14
8:20
-0:16
23M
23.00 mi13:24:042:56:117:4011:06
8:52
+0:32
24M
24.00 mi13:33:233:05:307:449:19
9:19
+0:27
40K
24.85 mi13:40:573:13:047:467:34
8:51
-0:28
25.2M
25.20 mi13:44:123:16:197:473:15
9:25
+0:34
Finish
26.22 mi13:52:523:24:597:498:40
8:30
-0:55

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

7:12 /mi

Average Pace

7:49 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:37

56% of race

Time at Steady Pace

50:32

25% of race

Time at Slower Pace

39:50

19% of race

Average Pace: 7:49 /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 mi10:50:4822:557:2322:55
7:23
#11097
10K
6.21 mi11:13:2245:297:1922:34
7:16
#10497
15K
9.32 mi11:35:441:07:517:1722:22
7:12
#10035
20K
12.43 mi11:58:551:31:027:2023:11
7:28
#10090
Half
13.11 mi12:03:521:35:597:194:57
7:15
#10062
25K
15.53 mi12:22:301:54:377:2318:38
7:41
#10261
30K
18.64 mi12:47:032:19:107:2824:33
7:54
#10274
20M
20.00 mi12:58:082:30:157:3111:05
8:09
#10359
21M
21.00 mi13:06:442:38:517:348:36
8:36
#10373
35K
21.75 mi13:12:582:45:057:356:14
8:20
#10527
23M
23.00 mi13:24:042:56:117:4011:06
8:52
#10813
24M
24.00 mi13:33:233:05:307:449:19
9:19
#11236
40K
24.85 mi13:40:573:13:047:467:34
8:51
#11418
25.2M
25.20 mi13:44:123:16:197:473:15
9:25
#11455
Finish
26.22 mi13:52:523:24:597:498:40
8:30
#11676
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi11097873987399111(Top 32%)7616(Top 47%)7616(Top 319%)
10K6.21 mi3.10 mi10497+6008423+3168423+31610031(Top 35%)8163(Top 51%)8163(Top 342%)
15K9.32 mi3.11 mi10035+4628151+2728151+2729111(Top 32%)7616(Top 47%)7616(Top 319%)
20K12.43 mi3.11 mi10090-558156-58156-510424(Top 37%)8227(Top 51%)8227(Top 345%)
Half13.11 mi0.68 mi10062+288133+238133+239590(Top 34%)7825(Top 49%)7825(Top 328%)
25K15.53 mi2.42 mi10261-1998201-688201-6811415(Top 40%)8581(Top 53%)8581(Top 360%)
30K18.64 mi3.11 mi10274-138160+418160+4110643(Top 37%)8003(Top 50%)8003(Top 335%)
20M20.00 mi1.36 mi10359-858152+88152+811490(Top 40%)8279(Top 51%)8279(Top 347%)
21M21.00 mi1.00 mi10373-148120+328120+3211080(Top 39%)7913(Top 49%)7913(Top 332%)
35K21.75 mi0.75 mi10527-1548181-618181-6114417(Top 51%)9449(Top 59%)9449(Top 396%)
23M23.00 mi1.25 mi10813-2868274-938274-9315454(Top 54%)9833(Top 61%)9833(Top 412%)
24M24.00 mi1.00 mi11236-4238426-1528426-15218860(Top 66%)11333(Top 70%)11333(Top 475%)
40K24.85 mi0.85 mi11418-1828475-498475-4915426(Top 54%)9613(Top 60%)9613(Top 403%)
25.2M25.20 mi0.35 mi11455-378480-58480-514070(Top 50%)8955(Top 56%)8955(Top 375%)
Finish26.22 mi1.02 mi11676-2218553-738553-7316217(Top 57%)10025(Top 62%)10025(Top 420%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9111

Males

7616

M45-49

7616

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

10031

Males

8163

M45-49

8163

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9111

Males

7616

M45-49

7616

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

10424

Males

8227

M45-49

8227

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9590

Males

7825

M45-49

7825

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11415

Males

8581

M45-49

8581

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10643

Males

8003

M45-49

8003

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11490

Males

8279

M45-49

8279

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11080

Males

7913

M45-49

7913

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14417

Males

9449

M45-49

9449

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15454

Males

9833

M45-49

9833

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18860

Males

11333

M45-49

11333

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

15426

Males

9613

M45-49

9613

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14070

Males

8955

M45-49

8955

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

16217

Males

10025

M45-49

10025

Passing Analysis

Category:
Athletes Passed
2072
Passed By
2648
Net Change
-579
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11097
5K → 10K66161+600#11097#10497
10K → 15K48624+462#10497#10035
15K → 20K154208-55#10035#10090
20K → Half4719+28#10090#10062
Half → 25K109307-199#10062#10261
25K → 30K235247-13#10261#10274
30K → 20M94179-85#10274#10359
20M → 21M108122-14#10359#10373
21M → 35K22176-154#10373#10527
35K → 23M45331-286#10527#10813
23M → 24M23446-423#10813#11236
24M → 40K28210-182#11236#11418
40K → 25.2M2562-37#11418#11455
25.2M → Finish35256-221#11455#11676
TOTALS20722648-579
📊

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