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BOSTON MARATHON 2025

Tom Mazanetz

Bib: 26264•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:08
Rank: #24840
Start → 5K
30:08 | 9:42/mi
10K· 6.21 mi
1:00:50
Rank: #24950 (-110)
5K → 10K
30:42 | 9:53/mi
15K· 9.32 mi
1:32:36
Rank: #25133 (-183)
10K → 15K
31:46 | 10:13/mi
20K· 12.43 mi
2:05:30
Rank: #25231 (-98)
15K → 20K
32:54 | 10:35/mi
Half· 13.11 mi
2:12:37
Rank: #25253 (-22)
20K → Half
7:07 | 10:26/mi
25K· 15.53 mi
2:38:41
Rank: #25151 (+102)
Half → 25K
26:04 | 10:45/mi
30K· 18.64 mi
3:15:14
Rank: #25186 (-35)
25K → 30K
36:33 | 11:46/mi
20M
3:30:44
Rank: #25134 (+52)
30K → 20M
15:30 | 11:24/mi
21M
3:43:19
Rank: #25114 (+20)
20M → 21M
12:35 | 12:35/mi
35K· 21.75 mi
3:51:34
Rank: #25094 (+20)
21M → 35K
8:15 | 11:02/mi
23M
4:05:45
Rank: #25050 (+44)
35K → 23M
14:11 | 11:20/mi
24M
4:16:41
Rank: #24999 (+51)
23M → 24M
10:56 | 10:56/mi
40K· 24.85 mi
4:26:28
Rank: #24961 (+38)
24M → 40K
9:47 | 11:27/mi
25.2M
4:30:52
Rank: #24967 (-6)
40K → 25.2M
4:24 | 12:46/mi
Finish· 26.22 mi
4:41:28
Rank: #24953 (+14)
25.2M → Finish
10:36 | 10:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:37
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:28:51
Pace11:21 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3430:089:4230:08
9:42
-
10K
6.21 mi12:16:161:00:509:4730:42
9:53
+0:11
15K
9.32 mi12:48:021:32:369:5631:46
10:13
+0:20
20K
12.43 mi13:20:562:05:3010:0632:54
10:35
+0:22
Half
13.11 mi13:28:032:12:3710:077:07
10:26
-0:09
25K
15.53 mi13:54:072:38:4110:1326:04
10:45
+0:19
30K
18.64 mi14:30:403:15:1410:2836:33
11:46
+1:01
20M
20.00 mi14:46:103:30:4410:3215:30
11:24
-0:22
21M
21.00 mi14:58:453:43:1910:3812:35
12:35
+1:11
35K
21.75 mi15:07:003:51:3410:398:15
11:02
-1:33
23M
23.00 mi15:21:114:05:4510:4114:11
11:20
+0:18
24M
24.00 mi15:32:074:16:4110:4210:56
10:56
-0:24
40K
24.85 mi15:41:544:26:2810:439:47
11:27
+0:31
25.2M
25.20 mi15:46:184:30:5210:454:24
12:46
+1:19
Finish
26.22 mi15:56:544:41:2810:4510:36
10:24
-2:22

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

9:42 /mi

Average Pace

10:45 /mi

Slowest Pace

12:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:19

39% of race

Time at Steady Pace

1:32:20

33% of race

Time at Slower Pace

1:18:49

28% of race

Average Pace: 10:44 /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 mi11:45:3430:089:4230:08
9:42
#24840
10K
6.21 mi12:16:161:00:509:4730:42
9:53
#24950
15K
9.32 mi12:48:021:32:369:5631:46
10:13
#25133
20K
12.43 mi13:20:562:05:3010:0632:54
10:35
#25231
Half
13.11 mi13:28:032:12:3710:077:07
10:26
#25253
25K
15.53 mi13:54:072:38:4110:1326:04
10:45
#25151
30K
18.64 mi14:30:403:15:1410:2836:33
11:46
#25186
20M
20.00 mi14:46:103:30:4410:3215:30
11:24
#25134
21M
21.00 mi14:58:453:43:1910:3812:35
12:35
#25114
35K
21.75 mi15:07:003:51:3410:398:15
11:02
#25094
23M
23.00 mi15:21:114:05:4510:4114:11
11:20
#25050
24M
24.00 mi15:32:074:16:4110:4210:56
10:56
#24999
40K
24.85 mi15:41:544:26:2810:439:47
11:27
#24961
25.2M
25.20 mi15:46:184:30:5210:454:24
12:46
#24967
Finish
26.22 mi15:56:544:41:2810:4510:36
10:24
#24953
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24840146491464925462(Top 90%)14911(Top 93%)14911(Top 905%)
10K6.21 mi3.10 mi24950-11014684-3514684-3525047(Top 88%)14724(Top 91%)14724(Top 893%)
15K9.32 mi3.11 mi25133-18314770-8614770-8625462(Top 90%)14911(Top 93%)14911(Top 905%)
20K12.43 mi3.11 mi25231-9814806-3614806-3625343(Top 89%)14828(Top 92%)14828(Top 900%)
Half13.11 mi0.68 mi25253-2214810-414810-425682(Top 90%)14961(Top 93%)14961(Top 908%)
25K15.53 mi2.42 mi25151+10214748+6214748+6224813(Top 87%)14564(Top 90%)14564(Top 884%)
30K18.64 mi3.11 mi25186-3514735+1314735+1325246(Top 89%)14653(Top 91%)14653(Top 889%)
20M20.00 mi1.36 mi25134+5214706+2914706+2924386(Top 86%)14164(Top 88%)14164(Top 859%)
21M21.00 mi1.00 mi25114+2014682+2414682+2424513(Top 86%)14153(Top 88%)14153(Top 859%)
35K21.75 mi0.75 mi25094+2014658+2414658+2424254(Top 85%)14004(Top 87%)14004(Top 850%)
23M23.00 mi1.25 mi25050+4414626+3214626+3223943(Top 84%)13811(Top 86%)13811(Top 838%)
24M24.00 mi1.00 mi24999+5114596+3014596+3023852(Top 84%)13751(Top 85%)13751(Top 834%)
40K24.85 mi0.85 mi24961+3814564+3214564+3224034(Top 85%)13794(Top 86%)13794(Top 837%)
25.2M25.20 mi0.35 mi24967-614566-214566-224672(Top 87%)14107(Top 88%)14107(Top 856%)
Finish26.22 mi1.02 mi24953+1414553+1314553+1324050(Top 85%)13796(Top 86%)13796(Top 837%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25462

Males

14911

M55-59

14911

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

25047

Males

14724

M55-59

14724

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25462

Males

14911

M55-59

14911

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25343

Males

14828

M55-59

14828

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

25682

Males

14961

M55-59

14961

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24813

Males

14564

M55-59

14564

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25246

Males

14653

M55-59

14653

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24386

Males

14164

M55-59

14164

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

24513

Males

14153

M55-59

14153

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24254

Males

14004

M55-59

14004

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23943

Males

13811

M55-59

13811

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23852

Males

13751

M55-59

13751

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24034

Males

13794

M55-59

13794

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24672

Males

14107

M55-59

14107

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24050

Males

13796

M55-59

13796

Passing Analysis

Category:
Athletes Passed
1018
Passed By
1131
Net Change
-113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24840
5K → 10K156266-110#24840#24950
10K → 15K76259-183#24950#25133
15K → 20K94192-98#25133#25231
20K → Half1234-22#25231#25253
Half → 25K15452+102#25253#25151
25K → 30K125160-35#25151#25186
30K → 20M7624+52#25186#25134
20M → 21M6141+20#25134#25114
21M → 35K3919+20#25114#25094
35K → 23M5713+44#25094#25050
23M → 24M609+51#25050#24999
24M → 40K5618+38#24999#24961
40K → 25.2M1218-6#24961#24967
25.2M → Finish4026+14#24967#24953
TOTALS10181131-113
📊

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