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BOSTON MARATHON 2025

Calvin Kotack

Bib: 25326•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:42
Rank: #24433
Start → 5K
29:42 | 9:34/mi
10K· 6.21 mi
59:53
Rank: #24563 (-130)
5K → 10K
30:11 | 9:43/mi
15K· 9.32 mi
1:30:25
Rank: #24578 (-15)
10K → 15K
30:32 | 9:50/mi
20K· 12.43 mi
2:01:10
Rank: #24410 (+168)
15K → 20K
30:45 | 9:54/mi
Half· 13.11 mi
2:07:38
Rank: #24360 (+50)
20K → Half
6:28 | 9:29/mi
25K· 15.53 mi
2:31:48
Rank: #24160 (+200)
Half → 25K
24:10 | 9:58/mi
30K· 18.64 mi
3:06:56
Rank: #24294 (-134)
25K → 30K
35:08 | 11:18/mi
20M
3:22:06
Rank: #24271 (+23)
30K → 20M
15:10 | 11:10/mi
21M
3:34:15
Rank: #24234 (+37)
20M → 21M
12:09 | 12:09/mi
35K· 21.75 mi
3:42:23
Rank: #24232 (+2)
21M → 35K
8:08 | 10:52/mi
23M
3:56:38
Rank: #24221 (+11)
35K → 23M
14:15 | 11:23/mi
24M
4:08:12
Rank: #24260 (-39)
23M → 24M
11:34 | 11:34/mi
40K· 24.85 mi
4:17:38
Rank: #24241 (+19)
24M → 40K
9:26 | 11:02/mi
25.2M
4:21:52
Rank: #24235 (+6)
40K → 25.2M
4:14 | 12:17/mi
Finish· 26.22 mi
4:32:27
Rank: #24229 (+6)
25.2M → Finish
10:35 | 10:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:38
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:24:49
Pace11:03 /mi
📊Positive Split: 13.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:4629:429:3429:42
9:34
-
10K
6.21 mi12:00:5759:539:3830:11
9:43
+0:09
15K
9.32 mi12:31:291:30:259:4230:32
9:50
+0:07
20K
12.43 mi13:02:142:01:109:4530:45
9:54
+0:04
Half
13.11 mi13:08:422:07:389:446:28
9:29
-0:25
25K
15.53 mi13:32:522:31:489:4624:10
9:58
+0:29
30K
18.64 mi14:08:003:06:5610:0235:08
11:18
+1:20
20M
20.00 mi14:23:103:22:0610:0615:10
11:10
-0:08
21M
21.00 mi14:35:193:34:1510:1212:09
12:09
+0:59
35K
21.75 mi14:43:273:42:2310:148:08
10:52
-1:17
23M
23.00 mi14:57:423:56:3810:1714:15
11:23
+0:31
24M
24.00 mi15:09:164:08:1210:2111:34
11:34
+0:11
40K
24.85 mi15:18:424:17:3810:229:26
11:02
-0:32
25.2M
25.20 mi15:22:564:21:5210:234:14
12:17
+1:15
Finish
26.22 mi15:33:314:32:2710:2410:35
10:23
-1:54

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

9:29 /mi

Average Pace

10:24 /mi

Slowest Pace

12:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:23

60% of race

Time at Steady Pace

1:07:52

25% of race

Time at Slower Pace

42:12

15% of race

Average Pace: 10:23 /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 mi11:30:4629:429:3429:42
9:34
#24433
10K
6.21 mi12:00:5759:539:3830:11
9:43
#24563
15K
9.32 mi12:31:291:30:259:4230:32
9:50
#24578
20K
12.43 mi13:02:142:01:109:4530:45
9:54
#24410
Half
13.11 mi13:08:422:07:389:446:28
9:29
#24360
25K
15.53 mi13:32:522:31:489:4624:10
9:58
#24160
30K
18.64 mi14:08:003:06:5610:0235:08
11:18
#24294
20M
20.00 mi14:23:103:22:0610:0615:10
11:10
#24271
21M
21.00 mi14:35:193:34:1510:1212:09
12:09
#24234
35K
21.75 mi14:43:273:42:2310:148:08
10:52
#24232
23M
23.00 mi14:57:423:56:3810:1714:15
11:23
#24221
24M
24.00 mi15:09:164:08:1210:2111:34
11:34
#24260
40K
24.85 mi15:18:424:17:3810:229:26
11:02
#24241
25.2M
25.20 mi15:22:564:21:5210:234:14
12:17
#24235
Finish
26.22 mi15:33:314:32:2710:2410:35
10:23
#24229
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi24433144461444624609(Top 87%)14534(Top 90%)14534(Top 6375%)
10K6.21 mi3.10 mi24563-13014518-7214518-7224655(Top 87%)14543(Top 90%)14543(Top 6379%)
15K9.32 mi3.11 mi24578-1514513+514513+524609(Top 87%)14534(Top 90%)14534(Top 6375%)
20K12.43 mi3.11 mi24410+16814422+9114422+9124006(Top 85%)14236(Top 88%)14236(Top 6244%)
Half13.11 mi0.68 mi24360+5014399+2314399+2323507(Top 83%)14016(Top 87%)14016(Top 6147%)
25K15.53 mi2.42 mi24160+20014301+9814301+9823173(Top 82%)13826(Top 86%)13826(Top 6064%)
30K18.64 mi3.11 mi24294-13414341-4014341-4024565(Top 86%)14337(Top 89%)14337(Top 6288%)
20M20.00 mi1.36 mi24271+2314315+2614315+2623902(Top 84%)13937(Top 87%)13937(Top 6113%)
21M21.00 mi1.00 mi24234+3714280+3514280+3523847(Top 84%)13844(Top 86%)13844(Top 6072%)
35K21.75 mi0.75 mi24232+214263+1714263+1723943(Top 84%)13859(Top 86%)13859(Top 6079%)
23M23.00 mi1.25 mi24221+1114244+1914244+1924048(Top 85%)13866(Top 86%)13866(Top 6082%)
24M24.00 mi1.00 mi24260-3914263-1914263-1925001(Top 88%)14304(Top 89%)14304(Top 6274%)
40K24.85 mi0.85 mi24241+1914234+2914234+2923222(Top 82%)13349(Top 83%)13349(Top 5855%)
25.2M25.20 mi0.35 mi24235+614221+1314221+1323753(Top 84%)13646(Top 85%)13646(Top 5985%)
Finish26.22 mi1.02 mi24229+614211+1014211+1024003(Top 85%)13771(Top 86%)13771(Top 6040%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

24609

Males

14534

M70-74

14534

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

24655

Males

14543

M70-74

14543

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

24609

Males

14534

M70-74

14534

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

24006

Males

14236

M70-74

14236

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23507

Males

14016

M70-74

14016

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23173

Males

13826

M70-74

13826

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24565

Males

14337

M70-74

14337

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23902

Males

13937

M70-74

13937

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23847

Males

13844

M70-74

13844

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23943

Males

13859

M70-74

13859

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

24048

Males

13866

M70-74

13866

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25001

Males

14304

M70-74

14304

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23222

Males

13349

M70-74

13349

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23753

Males

13646

M70-74

13646

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24003

Males

13771

M70-74

13771

Passing Analysis

Category:
Athletes Passed
1305
Passed By
1101
Net Change
+204
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24433
5K → 10K158288-130#24433#24563
10K → 15K137152-15#24563#24578
15K → 20K21850+168#24578#24410
20K → Half555+50#24410#24360
Half → 25K22424+200#24360#24160
25K → 30K104238-134#24160#24294
30K → 20M7754+23#24294#24271
20M → 21M8245+37#24271#24234
21M → 35K3735+2#24234#24232
35K → 23M7261+11#24232#24221
23M → 24M3372-39#24221#24260
24M → 40K4930+19#24260#24241
40K → 25.2M2620+6#24241#24235
25.2M → Finish3327+6#24235#24229
TOTALS13051101+204
📊

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