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BOSTON MARATHON 2025

Salvatore Frontierro

Bib: 9350•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 25%
Division (M50-54)
#0 / 1996
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:20
Rank: #6812
Start → 5K
6:52/mi
21:20 split
10K· 6.21 mi
42:49
Rank: #7078 (-266)
5K → 10K
6:55/mi
21:29 split
15K· 9.32 mi
1:04:21
Rank: #7100 (-22)
10K → 15K
6:56/mi
21:32 split
20K· 12.43 mi
1:26:04
Rank: #7035 (+65)
15K → 20K
6:59/mi
21:43 split
Half· 13.11 mi
1:30:44
Rank: #6993 (+42)
20K → Half
6:50/mi
4:40 split
25K· 15.53 mi
1:47:50
Rank: #6867 (+126)
Half → 25K
7:03/mi
17:06 split
30K· 18.64 mi
2:10:33
Rank: #6693 (+174)
25K → 30K
7:19/mi
22:43 split
20M
2:20:45
Rank: #6627 (+66)
30K → 20M
7:30/mi
10:12 split
21M
2:28:43
Rank: #6584 (+43)
20M → 21M
7:58/mi
7:58 split
35K· 21.75 mi
2:34:11
Rank: #6560 (+24)
21M → 35K
7:18/mi
5:28 split
23M
2:43:56
Rank: #6575 (-15)
35K → 23M
7:47/mi
9:45 split
24M
2:51:39
Rank: #6640 (-65)
23M → 24M
7:43/mi
7:43 split
40K· 24.85 mi
2:58:39
Rank: #6792 (-152)
24M → 40K
8:11/mi
7:00 split
25.2M
3:02:05
Rank: #6931 (-139)
40K → 25.2M
9:57/mi
3:26 split
Finish· 26.22 mi
3:10:50
Rank: #7283 (-352)
25.2M → Finish
8:35/mi
8:45 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:44
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:40:06
Pace7:38 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4321:206:5221:20
6:52
-
10K
6.21 mi11:08:1242:496:5321:29
6:55
+0:03
15K
9.32 mi11:29:441:04:216:5421:32
6:56
+0:01
20K
12.43 mi11:51:271:26:046:5621:43
6:59
+0:03
Half
13.11 mi11:56:071:30:446:554:40
6:50
-0:09
25K
15.53 mi12:13:131:47:506:5617:06
7:03
+0:13
30K
18.64 mi12:35:562:10:337:0022:43
7:19
+0:16
20M
20.00 mi12:46:082:20:457:0210:12
7:30
+0:11
21M
21.00 mi12:54:062:28:437:057:58
7:58
+0:28
35K
21.75 mi12:59:342:34:117:055:28
7:18
-0:40
23M
23.00 mi13:09:192:43:567:089:45
7:47
+0:29
24M
24.00 mi13:17:022:51:397:097:43
7:43
-0:04
40K
24.85 mi13:24:022:58:397:117:00
8:11
+0:28
25.2M
25.20 mi13:27:283:02:057:143:26
9:57
+1:46
Finish
26.22 mi13:36:133:10:507:178:45
8:35
-1:22

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

6:50 /mi

Average Pace

7:17 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:00

14% of race

Time at Steady Pace

2:07:56

67% of race

Time at Slower Pace

36:54

19% of race

Average Pace: 7:17 /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 mi10:46:4321:206:5221:20
6:52
#6812
10K
6.21 mi11:08:1242:496:5321:29
6:55
#7078
15K
9.32 mi11:29:441:04:216:5421:32
6:56
#7100
20K
12.43 mi11:51:271:26:046:5621:43
6:59
#7035
Half
13.11 mi11:56:071:30:446:554:40
6:50
#6993
25K
15.53 mi12:13:131:47:506:5617:06
7:03
#6867
30K
18.64 mi12:35:562:10:337:0022:43
7:19
#6693
20M
20.00 mi12:46:082:20:457:0210:12
7:30
#6627
21M
21.00 mi12:54:062:28:437:057:58
7:58
#6584
35K
21.75 mi12:59:342:34:117:055:28
7:18
#6560
23M
23.00 mi13:09:192:43:567:089:45
7:47
#6575
24M
24.00 mi13:17:022:51:397:097:43
7:43
#6640
40K
24.85 mi13:24:022:58:397:117:00
8:11
#6792
25.2M
25.20 mi13:27:283:02:057:143:26
9:57
#6931
Finish
26.22 mi13:36:133:10:507:178:45
8:35
#7283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6812616361637159(Top 25%)6365(Top 40%)6365(Top 319%)
10K6.21 mi3.10 mi7078-2666352-1896352-1897333(Top 26%)6529(Top 41%)6529(Top 327%)
15K9.32 mi3.11 mi7100-226360-86360-87159(Top 25%)6365(Top 40%)6365(Top 319%)
20K12.43 mi3.11 mi7035+656300+606300+606811(Top 24%)6064(Top 38%)6064(Top 304%)
Half13.11 mi0.68 mi6993+426266+346266+346452(Top 23%)5792(Top 36%)5792(Top 290%)
25K15.53 mi2.42 mi6867+1266147+1196147+1196650(Top 23%)5866(Top 36%)5866(Top 294%)
30K18.64 mi3.11 mi6693+1745976+1715976+1716509(Top 23%)5657(Top 35%)5657(Top 283%)
20M20.00 mi1.36 mi6627+665906+705906+707029(Top 25%)5847(Top 36%)5847(Top 293%)
21M21.00 mi1.00 mi6584+435850+565850+567146(Top 25%)5761(Top 36%)5761(Top 289%)
35K21.75 mi0.75 mi6560+245813+375813+377243(Top 25%)5827(Top 36%)5827(Top 292%)
23M23.00 mi1.25 mi6575-155797+165797+168468(Top 30%)6416(Top 40%)6416(Top 321%)
24M24.00 mi1.00 mi6640-655817-205817-209168(Top 32%)6728(Top 42%)6728(Top 337%)
40K24.85 mi0.85 mi6792-1525897-805897-8011429(Top 40%)7764(Top 48%)7764(Top 389%)
25.2M25.20 mi0.35 mi6931-1395976-795976-7916712(Top 59%)10195(Top 63%)10195(Top 511%)
Finish26.22 mi1.02 mi7283-3526183-2076183-20716726(Top 59%)10253(Top 64%)10253(Top 514%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7159

Males

6365

M50-54

6365

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7333

Males

6529

M50-54

6529

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7159

Males

6365

M50-54

6365

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6811

Males

6064

M50-54

6064

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6452

Males

5792

M50-54

5792

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6650

Males

5866

M50-54

5866

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6509

Males

5657

M50-54

5657

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

7029

Males

5847

M50-54

5847

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7146

Males

5761

M50-54

5761

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7243

Males

5827

M50-54

5827

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8468

Males

6416

M50-54

6416

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9168

Males

6728

M50-54

6728

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11429

Males

7764

M50-54

7764

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16712

Males

10195

M50-54

10195

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16726

Males

10253

M50-54

10253

Passing Analysis

Category:
Athletes Passed
1365
Passed By
1836
Net Change
-471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6812
5K → 10K107373-266#6812#7078
10K → 15K138160-22#7078#7100
15K → 20K180115+65#7100#7035
20K → Half5311+42#7035#6993
Half → 25K17650+126#6993#6867
25K → 30K26389+174#6867#6693
30K → 20M12256+66#6693#6627
20M → 21M9350+43#6627#6584
21M → 35K6137+24#6584#6560
35K → 23M7994-15#6560#6575
23M → 24M46111-65#6575#6640
24M → 40K29181-152#6640#6792
40K → 25.2M6145-139#6792#6931
25.2M → Finish12364-352#6931#7283
TOTALS13651836-471
📊

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