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BOSTON MARATHON 2025

Anthony Calantoni

Bib: 1178•M

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #4067
Start → 5K
6:32/mi
20:18 split
10K· 6.21 mi
40:37
Rank: #4019 (+48)
5K → 10K
6:32/mi
20:19 split
15K· 9.32 mi
1:00:56
Rank: #3935 (+84)
10K → 15K
6:32/mi
20:19 split
20K· 12.43 mi
1:21:31
Rank: #3874 (+61)
15K → 20K
6:38/mi
20:35 split
Half· 13.11 mi
1:25:58
Rank: #3865 (+9)
20K → Half
6:31/mi
4:27 split
25K· 15.53 mi
1:39:58
Rank: #2959 (+906)
Half → 25K
5:46/mi
14:00 split
30K· 18.64 mi
1:57:59
Rank: #2090 (+869)
25K → 30K
5:48/mi
18:01 split
20M
2:06:02
Rank: #1839 (+251)
30K → 20M
5:55/mi
8:03 split
21M
2:12:27
Rank: #1707 (+132)
20M → 21M
6:25/mi
6:25 split
35K· 21.75 mi
2:16:57
Rank: #1646 (+61)
21M → 35K
6:01/mi
4:30 split
23M
2:24:47
Rank: #1530 (+116)
35K → 23M
6:15/mi
7:50 split
24M
2:31:01
Rank: #1475 (+55)
23M → 24M
6:14/mi
6:14 split
40K· 24.85 mi
2:36:21
Rank: #1418 (+57)
24M → 40K
6:14/mi
5:20 split
25.2M
2:38:42
Rank: #1407 (+11)
40K → 25.2M
6:49/mi
2:21 split
Finish· 26.22 mi
2:44:56
Rank: #1381 (+26)
25.2M → Finish
6:07/mi
6:14 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:25:58
Pace6:33 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:18:58
Pace6:01 /mi
📊Negative Split: 8.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1520:186:3220:18
6:32
-
10K
6.21 mi10:44:3440:376:3220:19
6:32
0:00
15K
9.32 mi11:04:531:00:566:3220:19
6:32
0:00
20K
12.43 mi11:25:281:21:316:3420:35
6:38
+0:06
Half
13.11 mi11:29:551:25:586:334:27
6:31
-0:07
25K
15.53 mi11:43:551:39:586:2614:00
5:46
-0:45
30K
18.64 mi12:01:561:57:596:2018:01
5:48
+0:02
20M
20.00 mi12:09:592:06:026:188:03
5:55
+0:07
21M
21.00 mi12:16:242:12:276:186:25
6:25
+0:30
35K
21.75 mi12:20:542:16:576:184:30
6:01
-0:24
23M
23.00 mi12:28:442:24:476:187:50
6:15
+0:14
24M
24.00 mi12:34:582:31:016:186:14
6:14
-0:01
40K
24.85 mi12:40:182:36:216:175:20
6:14
0:00
25.2M
25.20 mi12:42:392:38:426:182:21
6:49
+0:35
Finish
26.22 mi12:48:532:44:566:186:14
6:07
-0:42

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

5:46 /mi

Average Pace

6:18 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:12

43% of race

Time at Steady Pace

1:32:23

56% of race

Time at Slower Pace

2:21

1% of race

Average Pace: 6:17 /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 mi10:24:1520:186:3220:18
6:32
#4067
10K
6.21 mi10:44:3440:376:3220:19
6:32
#4019
15K
9.32 mi11:04:531:00:566:3220:19
6:32
#3935
20K
12.43 mi11:25:281:21:316:3420:35
6:38
#3874
Half
13.11 mi11:29:551:25:586:334:27
6:31
#3865
25K
15.53 mi11:43:551:39:586:2614:00
5:46
#2959
30K
18.64 mi12:01:561:57:596:2018:01
5:48
#2090
20M
20.00 mi12:09:592:06:026:188:03
5:55
#1839
21M
21.00 mi12:16:242:12:276:186:25
6:25
#1707
35K
21.75 mi12:20:542:16:576:184:30
6:01
#1646
23M
23.00 mi12:28:442:24:476:187:50
6:15
#1530
24M
24.00 mi12:34:582:31:016:186:14
6:14
#1475
40K
24.85 mi12:40:182:36:216:175:20
6:14
#1418
25.2M
25.20 mi12:42:392:38:426:182:21
6:49
#1407
Finish
26.22 mi12:48:532:44:566:186:14
6:07
#1381
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4067383438343793(Top 13%)3578(Top 22%)3578(Top 63%)
10K6.21 mi3.10 mi4019+483793+413793+413991(Top 14%)3756(Top 23%)3756(Top 67%)
15K9.32 mi3.11 mi3935+843708+853708+853793(Top 13%)3578(Top 22%)3578(Top 63%)
20K12.43 mi3.11 mi3874+613650+583650+583846(Top 14%)3624(Top 23%)3624(Top 64%)
Half13.11 mi0.68 mi3865+93642+83642+83744(Top 13%)3524(Top 22%)3524(Top 62%)
25K15.53 mi2.42 mi2959+9062819+8232819+823384(Top 1%)357(Top 2%)357(Top 6%)
30K18.64 mi3.11 mi2090+8691994+8251994+825245(Top 0.9%)223(Top 1%)223(Top 4%)
20M20.00 mi1.36 mi1839+2511749+2451749+245302(Top 1%)279(Top 2%)279(Top 5%)
21M21.00 mi1.00 mi1707+1321619+1301619+130549(Top 2%)519(Top 3%)519(Top 9%)
35K21.75 mi0.75 mi1646+611561+581561+58768(Top 3%)719(Top 4%)719(Top 13%)
23M23.00 mi1.25 mi1530+1161448+1131448+113787(Top 3%)742(Top 5%)742(Top 13%)
24M24.00 mi1.00 mi1475+551394+541394+541120(Top 4%)1053(Top 7%)1053(Top 19%)
40K24.85 mi0.85 mi1418+571339+551339+55828(Top 3%)777(Top 5%)777(Top 14%)
25.2M25.20 mi0.35 mi1407+111327+121327+121018(Top 4%)936(Top 6%)936(Top 17%)
Finish26.22 mi1.02 mi1381+261302+251302+251250(Top 4%)1168(Top 7%)1168(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3793

Males

3578

M18-39

3578

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3991

Males

3756

M18-39

3756

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3793

Males

3578

M18-39

3578

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3846

Males

3624

M18-39

3624

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3744

Males

3524

M18-39

3524

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

384

Males

357

M18-39

357

25K→30K

15.5 - 18.6 mi

Top 0.9%
×9stories
+181ft-148ft

Overall

245

Males

223

M18-39

223

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

302

Males

279

M18-39

279

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

549

Males

519

M18-39

519

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

768

Males

719

M18-39

719

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

787

Males

742

M18-39

742

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1120

Males

1053

M18-39

1053

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

828

Males

777

M18-39

777

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1018

Males

936

M18-39

936

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1250

Males

1168

M18-39

1168

Passing Analysis

Category:
Athletes Passed
2969
Passed By
283
Net Change
+2686
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4067
5K → 10K188140+48#4067#4019
10K → 15K13450+84#4019#3935
15K → 20K12665+61#3935#3874
20K → Half167+9#3874#3865
Half → 25K9060+906#3865#2959
25K → 30K8690+869#2959#2090
30K → 20M2510+251#2090#1839
20M → 21M1342+132#1839#1707
21M → 35K621+61#1707#1646
35K → 23M1171+116#1646#1530
23M → 24M572+55#1530#1475
24M → 40K581+57#1475#1418
40K → 25.2M154+11#1418#1407
25.2M → Finish3610+26#1407#1381
TOTALS2969283+2686
📊

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