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BOSTON MARATHON 2025

Kyle Massa

Bib: 3724•M

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:17
Rank: #6689
Start → 5K
21:17 | 6:51/mi
10K· 6.21 mi
42:46
Rank: #7020 (-331)
5K → 10K
21:29 | 6:55/mi
15K· 9.32 mi
1:04:20
Rank: #7088 (-68)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:26:02
Rank: #7007 (+81)
15K → 20K
21:42 | 6:59/mi
Half· 13.11 mi
1:30:45
Rank: #7003 (+4)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:47:56
Rank: #6908 (+95)
Half → 25K
17:11 | 7:05/mi
30K· 18.64 mi
2:10:08
Rank: #6537 (+371)
25K → 30K
22:12 | 7:09/mi
20M
2:19:52
Rank: #6344 (+193)
30K → 20M
9:44 | 7:10/mi
21M
2:27:12
Rank: #6148 (+196)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:32:21
Rank: #6065 (+83)
21M → 35K
5:09 | 6:53/mi
23M
2:41:09
Rank: #5849 (+216)
35K → 23M
8:48 | 7:02/mi
24M
2:47:57
Rank: #5682 (+167)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:53:43
Rank: #5504 (+178)
24M → 40K
5:46 | 6:45/mi
25.2M
2:56:14
Rank: #5423 (+81)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
3:02:49
Rank: #5268 (+155)
25.2M → Finish
6:35 | 6:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:45
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:32:04
Pace7:01 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:4921:176:5121:17
6:51
-
10K
6.21 mi10:49:1842:466:5321:29
6:55
+0:04
15K
9.32 mi11:10:521:04:206:5421:34
6:56
+0:01
20K
12.43 mi11:32:341:26:026:5521:42
6:59
+0:03
Half
13.11 mi11:37:171:30:456:554:43
6:55
-0:04
25K
15.53 mi11:54:281:47:566:5717:11
7:05
+0:10
30K
18.64 mi12:16:402:10:086:5922:12
7:09
+0:04
20M
20.00 mi12:26:242:19:527:009:44
7:10
+0:01
21M
21.00 mi12:33:442:27:127:017:20
7:20
+0:10
35K
21.75 mi12:38:532:32:217:005:09
6:53
-0:27
23M
23.00 mi12:47:412:41:097:008:48
7:02
+0:09
24M
24.00 mi12:54:292:47:577:006:48
6:48
-0:14
40K
24.85 mi13:00:152:53:436:595:46
6:45
-0:03
25.2M
25.20 mi13:02:462:56:147:002:31
7:18
+0:33
Finish
26.22 mi13:09:213:02:496:596:35
6:28
-0:50

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

6:28 /mi

Average Pace

6:59 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:02

77% of race

Time at Steady Pace

41:47

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:27:4921:176:5121:17
6:51
#6689
10K
6.21 mi10:49:1842:466:5321:29
6:55
#7020
15K
9.32 mi11:10:521:04:206:5421:34
6:56
#7088
20K
12.43 mi11:32:341:26:026:5521:42
6:59
#7007
Half
13.11 mi11:37:171:30:456:554:43
6:55
#7003
25K
15.53 mi11:54:281:47:566:5717:11
7:05
#6908
30K
18.64 mi12:16:402:10:086:5922:12
7:09
#6537
20M
20.00 mi12:26:242:19:527:009:44
7:10
#6344
21M
21.00 mi12:33:442:27:127:017:20
7:20
#6148
35K
21.75 mi12:38:532:32:217:005:09
6:53
#6065
23M
23.00 mi12:47:412:41:097:008:48
7:02
#5849
24M
24.00 mi12:54:292:47:577:006:48
6:48
#5682
40K
24.85 mi13:00:152:53:436:595:46
6:45
#5504
25.2M
25.20 mi13:02:462:56:147:002:31
7:18
#5423
Finish
26.22 mi13:09:213:02:496:596:35
6:28
#5268
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6689606460647226(Top 25%)6414(Top 40%)6414(Top 114%)
10K6.21 mi3.10 mi7020-3316304-2406304-2407324(Top 26%)6520(Top 40%)6520(Top 116%)
15K9.32 mi3.11 mi7088-686350-466350-467226(Top 25%)6414(Top 40%)6414(Top 114%)
20K12.43 mi3.11 mi7007+816278+726278+726766(Top 24%)6027(Top 37%)6027(Top 107%)
Half13.11 mi0.68 mi7003+46273+56273+56914(Top 24%)6134(Top 38%)6134(Top 109%)
25K15.53 mi2.42 mi6908+956185+886185+886870(Top 24%)6021(Top 37%)6021(Top 107%)
30K18.64 mi3.11 mi6537+3715864+3215864+3215572(Top 20%)4990(Top 31%)4990(Top 88%)
20M20.00 mi1.36 mi6344+1935694+1705694+1704989(Top 18%)4474(Top 28%)4474(Top 79%)
21M21.00 mi1.00 mi6148+1965522+1725522+1723776(Top 13%)3439(Top 21%)3439(Top 61%)
35K21.75 mi0.75 mi6065+835444+785444+784602(Top 16%)4080(Top 25%)4080(Top 72%)
23M23.00 mi1.25 mi5849+2165262+1825262+1823926(Top 14%)3515(Top 22%)3515(Top 62%)
24M24.00 mi1.00 mi5682+1675118+1445118+1443506(Top 12%)3141(Top 20%)3141(Top 56%)
40K24.85 mi0.85 mi5504+1784969+1494969+1492588(Top 9%)2356(Top 15%)2356(Top 42%)
25.2M25.20 mi0.35 mi5423+814899+704899+702524(Top 9%)2258(Top 14%)2258(Top 40%)
Finish26.22 mi1.02 mi5268+1554765+1344765+1342623(Top 9%)2373(Top 15%)2373(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7226

Males

6414

M18-39

6414

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7324

Males

6520

M18-39

6520

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7226

Males

6414

M18-39

6414

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6766

Males

6027

M18-39

6027

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6914

Males

6134

M18-39

6134

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6870

Males

6021

M18-39

6021

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5572

Males

4990

M18-39

4990

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4989

Males

4474

M18-39

4474

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3776

Males

3439

M18-39

3439

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4602

Males

4080

M18-39

4080

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3926

Males

3515

M18-39

3515

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3506

Males

3141

M18-39

3141

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2588

Males

2356

M18-39

2356

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2524

Males

2258

M18-39

2258

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2623

Males

2373

M18-39

2373

Passing Analysis

Category:
Athletes Passed
2290
Passed By
869
Net Change
+1421
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6689
5K → 10K100431-331#6689#7020
10K → 15K116184-68#7020#7088
15K → 20K190109+81#7088#7007
20K → Half3228+4#7007#7003
Half → 25K15863+95#7003#6908
25K → 30K40231+371#6908#6537
30K → 20M20411+193#6537#6344
20M → 21M1971+196#6344#6148
21M → 35K874+83#6148#6065
35K → 23M2171+216#6065#5849
23M → 24M1681+167#5849#5682
24M → 40K1780+178#5682#5504
40K → 25.2M832+81#5504#5423
25.2M → Finish1583+155#5423#5268
TOTALS2290869+1421
📊

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