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BOSTON MARATHON 2025

Eric Zaretsky

MI

Bib: 13940 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 42%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 44%
Division (M50-54)
#0 / 1996
Top 48%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 2
Mile 4
Mile 8
Mile 10
Mile 14
Start
0:00
Race begins
5K· 3.11 mi
7:40/mi
23:49
↑ 97↓ 345
10K· 6.21 mi
7:42/mi
47:43
↑ 79↓ 138
15K· 9.32 mi
7:46/mi
1:11:50
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:36:00
↑ 106↓ 86
Half· 13.11 mi
7:39/mi
1:41:13
↑ 19↓ 37
25K· 15.53 mi
7:52/mi
2:00:17
↑ 66↓ 88
30K· 18.64 mi
7:57/mi
2:25:00
↑ 181↓ 148
20M
8:02/mi
2:35:55
↑ 64↓ 50
21M
8:41/mi
2:44:36
↑ 106↓ 24
35K· 21.75 mi
7:30/mi
2:50:13
↑ 17↓ 86
23M
7:57/mi
3:00:10
↑ 23↓ 63
24M
7:56/mi
3:08:06
↓ 82
40K· 24.85 mi
7:43/mi
3:14:42
↓ 20
25.2M
8:39/mi
3:17:41
↑ 13↓ 16
Finish· 26.22 mi
7:50/mi
3:25:40
↑ 22↓ 21
Course Elevation
890ft
Total climb
462ft
Range
7 to 469 ft
1,342ft
Total descent
About the height of two redwood trees

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The Course

Half Splits

1st Half· via Half
1:41:137:43 /mi⚡ faster
2nd Half
1:44:277:58 /mi+3.2%
Positive split — 3.2% slower in the second half
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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:497:403.11 mi23:49
7:40
-
10K
47:437:413.10 mi23:54
7:42
+0:02
15K
1:11:507:423.11 mi24:07
7:46
+0:04
20K
1:36:007:433.11 mi24:10
7:47
+0:01
Half(13.11 mi)
1:41:137:430.68 mi5:13
7:39
-0:08
25K
2:00:177:452.42 mi19:04
7:52
+0:13
30K
2:25:007:473.11 mi24:43
7:57
+0:05
20M
2:35:557:481.36 mi10:55
8:02
+0:05
21M
2:44:367:501.00 mi8:41
8:41
+0:39
35K
2:50:137:500.75 mi5:37
7:30
-1:11
23M
3:00:107:501.25 mi9:57
7:57
+0:27
24M
3:08:067:501.00 mi7:56
7:56
-0:01
40K
3:14:427:500.85 mi6:36
7:43
-0:13
25.2M
3:17:417:510.35 mi2:59
8:39
+0:56
Finish(26.22 mi)
3:25:407:511.02 mi7:59
7:50
-0:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:30 /mi

Average Pace

7:51 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:14:00

94% of race

Time at Steady Pace

11:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:51 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi13634991699161401999489948
10K3.10 mi13741-1079910+69910+61381099229922
15K3.11 mi13801-60991099101401999489948
20K3.11 mi13575+2269763+1479763+1471307594479447
Half(13.11 mi)0.68 mi13542+339748+159748+151289694039403
25K2.42 mi13379+1639641+1079641+1071284792209220
30K3.11 mi12886+4939376+2659376+2651106182168216
20M1.36 mi12687+1999249+1279249+1271065978677867
21M1.00 mi12605+829182+679182+671155981528152
35K0.75 mi12430+1759073+1099073+109868266916691
23M1.25 mi12239+1918943+1308943+130962470467046
24M1.00 mi12139+1008868+758868+751075975637563
40K0.85 mi11963+1768733+1358733+135822261216121
25.2M0.35 mi11920+438708+258708+25969468136813
Finish(26.22 mi)1.02 mi11886+348662+468662+461166778567856

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
469 ft222 ft
↑ 97ft↓ 345ft
248 ft

Overall

14019

Males

9948

M50-54

9948

5K→10K

3.1 - 6.2 mi

Top 49%
216 ft157 ft
↑ 79ft↓ 138ft
59 ft

Overall

13810

Males

9922

M50-54

9922

10K→15K

6.2 - 9.3 mi

Top 49%
157 ft146 ft
↑ 67ft↓ 78ft
34 ft

Overall

14019

Males

9948

M50-54

9948

15K→20K

9.3 - 12.4 mi

Top 46%
147 ft167 ft
↑ 106ft↓ 86ft
63 ft

Overall

13075

Males

9447

M50-54

9447

20K→Half

12.4 - 13.1 mi

Top 45%
165 ft147 ft
↑ 19ft↓ 37ft
30 ft

Overall

12896

Males

9403

M50-54

9403

Half→25K

13.1 - 15.5 mi

Top 45%
148 ft126 ft
↑ 66ft↓ 88ft
44 ft

Overall

12847

Males

9220

M50-54

9220

25K→30K

15.5 - 18.6 mi

Top 39%
106 ft139 ft
↑ 181ft↓ 148ft
109 ft

Overall

11061

Males

8216

M50-54

8216

30K→20M

18.6 - 20.0 mi

Top 38%
134 ft148 ft
↑ 64ft↓ 50ft
56 ft

Overall

10659

Males

7867

M50-54

7867

20M→21M

20.0 - 21.0 mi

Top 41%
147 ft230 ft
↑ 106ft↓ 24ft
97 ft

Overall

11559

Males

8152

M50-54

8152

21M→35K

21.0 - 21.8 mi

Top 31%
223 ft154 ft
↑ 17ft↓ 86ft
78 ft

Overall

8682

Males

6691

M50-54

6691

35K→23M

21.8 - 23.0 mi

Top 34%
158 ft119 ft
↑ 23ft↓ 63ft
63 ft

Overall

9624

Males

7046

M50-54

7046

23M→24M

23.0 - 24.0 mi

Top 38%
115 ft45 ft
↑ 12ft↓ 82ft
70 ft

Overall

10759

Males

7563

M50-54

7563

24M→40K

24.0 - 24.9 mi

Top 29%
31 ft17 ft
↑ 6ft↓ 20ft
15 ft

Overall

8222

Males

6121

M50-54

6121

40K→25.2M

24.9 - 25.2 mi

Top 34%
22 ft19 ft
↑ 13ft↓ 16ft
16 ft

Overall

9694

Males

6813

M50-54

6813

25.2M→Finish

25.2 - 26.2 mi

Top 41%
16 ft17 ft
↑ 22ft↓ 21ft
19 ft

Overall

11667

Males

7856

M50-54

7856

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#13634
5K → 10K
347240-107
#13634 → #13741
10K → 15K
234174-60
#13741 → #13801
15K → 20K
92318+226
#13801 → #13575
20K → Half
1750+33
#13575 → #13542
Half → 25K
77240+163
#13542 → #13379
25K → 30K
34527+493
#13379 → #12886
30K → 20M
35234+199
#12886 → #12687
20M → 21M
64146+82
#12687 → #12605
21M → 35K
5180+175
#12605 → #12430
35K → 23M
20211+191
#12430 → #12239
23M → 24M
27127+100
#12239 → #12139
24M → 40K
12188+176
#12139 → #11963
40K → 25.2M
1053+43
#11963 → #11920
25.2M → Finish
5690+34
#11920 → #11886
TOTALS
10302778+1748
#13634 → #11886

Passing Visualized

Category:
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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