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BOSTON MARATHON 2025

Jean-Claude Calabro

Bib: 22291•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:52
Rank: #16618
Start → 5K
24:52 | 8:00/mi
10K· 6.21 mi
49:24
Rank: #16104 (+514)
5K → 10K
24:32 | 7:54/mi
15K· 9.32 mi
1:14:35
Rank: #16346 (-242)
10K → 15K
25:11 | 8:06/mi
20K· 12.43 mi
1:41:28
Rank: #17118 (-772)
15K → 20K
26:53 | 8:39/mi
Half· 13.11 mi
1:47:22
Rank: #17265 (-147)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:11:04
Rank: #18516 (-1251)
Half → 25K
23:42 | 9:46/mi
30K· 18.64 mi
2:46:26
Rank: #20519 (-2003)
25K → 30K
35:22 | 11:23/mi
20M
3:04:12
Rank: #21512 (-993)
30K → 20M
17:46 | 13:04/mi
21M
3:17:45
Rank: #21968 (-456)
20M → 21M
13:33 | 13:33/mi
35K· 21.75 mi
3:25:46
Rank: #22041 (-73)
21M → 35K
8:01 | 10:43/mi
23M
3:40:25
Rank: #22225 (-184)
35K → 23M
14:39 | 11:42/mi
24M
3:52:29
Rank: #22447 (-222)
23M → 24M
12:04 | 12:04/mi
40K· 24.85 mi
4:02:35
Rank: #22566 (-119)
24M → 40K
10:06 | 11:49/mi
25.2M
4:07:04
Rank: #22609 (-43)
40K → 25.2M
4:29 | 13:00/mi
Finish· 26.22 mi
4:17:49
Rank: #22691 (-82)
25.2M → Finish
10:45 | 10:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:30:27
Pace11:29 /mi
📊Positive Split: 40.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5824:528:0024:52
8:00
-
10K
6.21 mi11:47:3049:247:5724:32
7:54
-0:06
15K
9.32 mi12:12:411:14:358:0025:11
8:06
+0:12
20K
12.43 mi12:39:341:41:288:1026:53
8:39
+0:33
Half
13.11 mi12:45:281:47:228:115:54
8:39
0:00
25K
15.53 mi13:09:102:11:048:2623:42
9:46
+1:07
30K
18.64 mi13:44:322:46:268:5635:22
11:23
+1:37
20M
20.00 mi14:02:183:04:129:1317:46
13:04
+1:41
21M
21.00 mi14:15:513:17:459:2513:33
13:33
+0:29
35K
21.75 mi14:23:523:25:469:288:01
10:43
-2:50
23M
23.00 mi14:38:313:40:259:3514:39
11:42
+0:59
24M
24.00 mi14:50:353:52:299:4112:04
12:04
+0:22
40K
24.85 mi15:00:414:02:359:4610:06
11:49
-0:15
25.2M
25.20 mi15:05:104:07:049:484:29
13:00
+1:11
Finish
26.22 mi15:15:554:17:499:5010:45
10:33
-2:27

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

7:54 /mi

Average Pace

9:50 /mi

Slowest Pace

13:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:22

42% of race

Time at Steady Pace

1:17:50

30% of race

Time at Slower Pace

1:12:37

28% of race

Average Pace: 9:50 /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 mi11:22:5824:528:0024:52
8:00
#16618
10K
6.21 mi11:47:3049:247:5724:32
7:54
#16104
15K
9.32 mi12:12:411:14:358:0025:11
8:06
#16346
20K
12.43 mi12:39:341:41:288:1026:53
8:39
#17118
Half
13.11 mi12:45:281:47:228:115:54
8:39
#17265
25K
15.53 mi13:09:102:11:048:2623:42
9:46
#18516
30K
18.64 mi13:44:322:46:268:5635:22
11:23
#20519
20M
20.00 mi14:02:183:04:129:1317:46
13:04
#21512
21M
21.00 mi14:15:513:17:459:2513:33
13:33
#21968
35K
21.75 mi14:23:523:25:469:288:01
10:43
#22041
23M
23.00 mi14:38:313:40:259:3514:39
11:42
#22225
24M
24.00 mi14:50:353:52:299:4112:04
12:04
#22447
40K
24.85 mi15:00:414:02:359:4610:06
11:49
#22566
25.2M
25.20 mi15:05:104:07:049:484:29
13:00
#22609
Finish
26.22 mi15:15:554:17:499:5010:45
10:33
#22691
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16618110471104716773(Top 59%)11133(Top 69%)11133(Top 884%)
10K6.21 mi3.10 mi16104+51410853+19410853+19415634(Top 55%)10687(Top 66%)10687(Top 849%)
15K9.32 mi3.11 mi16346-24210959-10610959-10616773(Top 59%)11133(Top 69%)11133(Top 884%)
20K12.43 mi3.11 mi17118-77211256-29711256-29719161(Top 67%)12112(Top 75%)12112(Top 962%)
Half13.11 mi0.68 mi17265-14711310-5411310-5420054(Top 71%)12495(Top 78%)12495(Top 992%)
25K15.53 mi2.42 mi18516-125111814-50411814-50422706(Top 80%)13612(Top 85%)13612(Top 1081%)
30K18.64 mi3.11 mi20519-200312641-82712641-82724664(Top 87%)14382(Top 89%)14382(Top 1142%)
20M20.00 mi1.36 mi21512-99313079-43813079-43826521(Top 93%)15151(Top 94%)15151(Top 1203%)
21M21.00 mi1.00 mi21968-45613261-18213261-18225715(Top 91%)14737(Top 92%)14737(Top 1171%)
35K21.75 mi0.75 mi22041-7313284-2313284-2323602(Top 83%)13686(Top 85%)13686(Top 1087%)
23M23.00 mi1.25 mi22225-18413321-3713321-3724602(Top 87%)14143(Top 88%)14143(Top 1123%)
24M24.00 mi1.00 mi22447-22213405-8413405-8425756(Top 91%)14682(Top 91%)14682(Top 1166%)
40K24.85 mi0.85 mi22566-11913437-3213437-3224649(Top 87%)14086(Top 87%)14086(Top 1119%)
25.2M25.20 mi0.35 mi22609-4313447-1013447-1025037(Top 88%)14265(Top 89%)14265(Top 1133%)
Finish26.22 mi1.02 mi22691-8213469-2213469-2224383(Top 86%)13969(Top 87%)13969(Top 1110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16773

Males

11133

M60-64

11133

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15634

Males

10687

M60-64

10687

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16773

Males

11133

M60-64

11133

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

19161

Males

12112

M60-64

12112

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20054

Males

12495

M60-64

12495

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22706

Males

13612

M60-64

13612

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24664

Males

14382

M60-64

14382

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

26521

Males

15151

M60-64

15151

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

25715

Males

14737

M60-64

14737

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23602

Males

13686

M60-64

13686

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24602

Males

14143

M60-64

14143

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

25756

Males

14682

M60-64

14682

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24649

Males

14086

M60-64

14086

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

25037

Males

14265

M60-64

14265

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

24383

Males

13969

M60-64

13969

Passing Analysis

Category:
Athletes Passed
983
Passed By
7056
Net Change
-6073
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16618
5K → 10K617103+514#16618#16104
10K → 15K127369-242#16104#16346
15K → 20K45817-772#16346#17118
20K → Half8155-147#17118#17265
Half → 25K191270-1251#17265#18516
25K → 30K162019-2003#18516#20519
30K → 20M91002-993#20519#21512
20M → 21M13469-456#21512#21968
21M → 35K2093-73#21968#22041
35K → 23M41225-184#22041#22225
23M → 24M20242-222#22225#22447
24M → 40K22141-119#22447#22566
40K → 25.2M851-43#22566#22609
25.2M → Finish18100-82#22609#22691
TOTALS9837056-6073
📊

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