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BOSTON MARATHON 2025

Larry Berkowitz

Bib: 32169•X

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Other)
#0 / 71
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:09
Rank: #14544
Start → 5K
24:09 | 7:46/mi
10K· 6.21 mi
48:01
Rank: #14119 (+425)
5K → 10K
23:52 | 7:41/mi
15K· 9.32 mi
1:11:58
Rank: #13928 (+191)
10K → 15K
23:57 | 7:43/mi
20K· 12.43 mi
1:36:17
Rank: #13775 (+153)
15K → 20K
24:19 | 7:50/mi
Half· 13.11 mi
1:41:35
Rank: #13774 (+1)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:00:49
Rank: #13684 (+90)
Half → 25K
19:14 | 7:56/mi
30K· 18.64 mi
2:25:39
Rank: #13202 (+482)
25K → 30K
24:50 | 8:00/mi
20M
2:36:53
Rank: #13076 (+126)
30K → 20M
11:14 | 8:16/mi
21M
2:45:19
Rank: #12883 (+193)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:50:56
Rank: #12708 (+175)
21M → 35K
5:37 | 7:30/mi
23M
3:00:39
Rank: #12381 (+327)
35K → 23M
9:43 | 7:46/mi
24M
3:08:08
Rank: #12159 (+222)
23M → 24M
7:29 | 7:29/mi
40K· 24.85 mi
3:14:30
Rank: #11903 (+256)
24M → 40K
6:22 | 7:27/mi
25.2M
3:17:19
Rank: #11803 (+100)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:25:02
Rank: #11690 (+113)
25.2M → Finish
7:43 | 7:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:35
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:43:27
Pace7:53 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0524:097:4624:09
7:46
-
10K
6.21 mi12:11:5748:017:4423:52
7:41
-0:05
15K
9.32 mi12:35:541:11:587:4323:57
7:43
+0:02
20K
12.43 mi13:00:131:36:177:4524:19
7:50
+0:07
Half
13.11 mi13:05:311:41:357:455:18
7:46
-0:04
25K
15.53 mi13:24:452:00:497:4719:14
7:56
+0:10
30K
18.64 mi13:49:352:25:397:4924:50
8:00
+0:04
20M
20.00 mi14:00:492:36:537:5111:14
8:16
+0:16
21M
21.00 mi14:09:152:45:197:528:26
8:26
+0:10
35K
21.75 mi14:14:522:50:567:525:37
7:30
-0:56
23M
23.00 mi14:24:353:00:397:519:43
7:46
+0:16
24M
24.00 mi14:32:043:08:087:507:29
7:29
-0:17
40K
24.85 mi14:38:263:14:307:506:22
7:27
-0:02
25.2M
25.20 mi14:41:153:17:197:502:49
8:10
+0:43
Finish
26.22 mi14:48:583:25:027:507:43
7:34
-0:36

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

7:27 /mi

Average Pace

7:50 /mi

Slowest Pace

8:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:22

90% of race

Time at Steady Pace

19:40

10% of race

Time at Slower Pace

0:00

0% 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 mi11:48:0524:097:4624:09
7:46
#14544
10K
6.21 mi12:11:5748:017:4423:52
7:41
#14119
15K
9.32 mi12:35:541:11:587:4323:57
7:43
#13928
20K
12.43 mi13:00:131:36:177:4524:19
7:50
#13775
Half
13.11 mi13:05:311:41:357:455:18
7:46
#13774
25K
15.53 mi13:24:452:00:497:4719:14
7:56
#13684
30K
18.64 mi13:49:352:25:397:4924:50
8:00
#13202
20M
20.00 mi14:00:492:36:537:5111:14
8:16
#13076
21M
21.00 mi14:09:152:45:197:528:26
8:26
#12883
35K
21.75 mi14:14:522:50:567:525:37
7:30
#12708
23M
23.00 mi14:24:353:00:397:519:43
7:46
#12381
24M
24.00 mi14:32:043:08:087:507:29
7:29
#12159
40K
24.85 mi14:38:263:14:307:506:22
7:27
#11903
25.2M
25.20 mi14:41:153:17:197:502:49
8:10
#11803
Finish
26.22 mi14:48:583:25:027:507:43
7:34
#11690
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallXAge DivSeg. OverallSeg. XSeg. Age Div
5K3.11 mi3.11 mi14544454513559(Top 48%)41(Top 58%)41
10K6.21 mi3.10 mi14119+42543+243+213698(Top 48%)42(Top 59%)42
15K9.32 mi3.11 mi13928+19144-144-113559(Top 48%)41(Top 58%)41
20K12.43 mi3.11 mi13775+15341+341+313472(Top 47%)38(Top 54%)38
Half13.11 mi0.68 mi13774+140+140+113875(Top 49%)40(Top 56%)40
25K15.53 mi2.42 mi13684+9039+139+113328(Top 47%)40(Top 56%)40
30K18.64 mi3.11 mi13202+48237+237+211307(Top 40%)30(Top 42%)30
20M20.00 mi1.36 mi13076+126373712222(Top 43%)32(Top 45%)32
21M21.00 mi1.00 mi12883+19334+334+39999(Top 35%)27(Top 38%)27
35K21.75 mi0.75 mi12708+17533+133+18604(Top 30%)21(Top 30%)21
23M23.00 mi1.25 mi12381+32732+132+18265(Top 29%)20(Top 28%)20
24M24.00 mi1.00 mi12159+22231+131+17524(Top 26%)21(Top 30%)21
40K24.85 mi0.85 mi11903+25630+130+16428(Top 23%)17(Top 24%)17
25.2M25.20 mi0.35 mi11803+10030306733(Top 24%)22(Top 31%)22
Finish26.22 mi1.02 mi11690+11330309668(Top 34%)28(Top 39%)28

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

13559

X

41

Age Div

41

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

13698

X

42

Age Div

42

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

13559

X

41

Age Div

41

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13472

X

38

Age Div

38

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13875

X

40

Age Div

40

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13328

X

40

Age Div

40

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11307

X

30

Age Div

30

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12222

X

32

Age Div

32

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9999

X

27

Age Div

27

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8604

X

21

Age Div

21

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8265

X

20

Age Div

20

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7524

X

21

Age Div

21

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6428

X

17

Age Div

17

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6733

X

22

Age Div

22

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9668

X

28

Age Div

28

Passing Analysis

Category:
Athletes Passed
3514
Passed By
660
Net Change
+2854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14544
5K → 10K535110+425#14544#14119
10K → 15K296105+191#14119#13928
15K → 20K292139+153#13928#13775
20K → Half3433+1#13775#13774
Half → 25K217127+90#13774#13684
25K → 30K52846+482#13684#13202
30K → 20M16640+126#13202#13076
20M → 21M21118+193#13076#12883
21M → 35K1772+175#12883#12708
35K → 23M3303+327#12708#12381
23M → 24M2297+222#12381#12159
24M → 40K2560+256#12159#11903
40K → 25.2M1033+100#11903#11803
25.2M → Finish14027+113#11803#11690
TOTALS3514660+2854
📊

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