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BOSTON MARATHON 2025

Kyle Lay

Bib: 4828•M

OH

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0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:21
Rank: #2027
Start → 5K
19:21 | 6:14/mi
10K· 6.21 mi
38:43
Rank: #2038 (-11)
5K → 10K
19:22 | 6:14/mi
15K· 9.32 mi
58:10
Rank: #2052 (-14)
10K → 15K
19:27 | 6:16/mi
20K· 12.43 mi
1:17:46
Rank: #2042 (+10)
15K → 20K
19:36 | 6:19/mi
Half· 13.11 mi
1:22:03
Rank: #2067 (-25)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:37:32
Rank: #2082 (-15)
Half → 25K
15:29 | 6:23/mi
30K· 18.64 mi
1:58:06
Rank: #2114 (-32)
25K → 30K
20:34 | 6:37/mi
20M
2:07:26
Rank: #2179 (-65)
30K → 20M
9:20 | 6:52/mi
21M
2:14:45
Rank: #2232 (-53)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:19:53
Rank: #2286 (-54)
21M → 35K
5:08 | 6:52/mi
23M
2:29:08
Rank: #2439 (-153)
35K → 23M
9:15 | 7:23/mi
24M
2:36:24
Rank: #2554 (-115)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:42:31
Rank: #2597 (-43)
24M → 40K
6:07 | 7:09/mi
25.2M
2:45:06
Rank: #2596 (+1)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:51:57
Rank: #2629 (-33)
25.2M → Finish
6:51 | 6:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:03
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:29:54
Pace6:51 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5619:216:1419:21
6:14
-
10K
6.21 mi10:42:1838:436:1419:22
6:14
0:00
15K
9.32 mi11:01:4558:106:1419:27
6:16
+0:02
20K
12.43 mi11:21:211:17:466:1519:36
6:19
+0:03
Half
13.11 mi11:25:381:22:036:164:17
6:17
-0:02
25K
15.53 mi11:41:071:37:326:1715:29
6:23
+0:06
30K
18.64 mi12:01:411:58:066:2020:34
6:37
+0:14
20M
20.00 mi12:11:012:07:266:229:20
6:52
+0:15
21M
21.00 mi12:18:202:14:456:257:19
7:19
+0:27
35K
21.75 mi12:23:282:19:536:265:08
6:52
-0:27
23M
23.00 mi12:32:432:29:086:299:15
7:23
+0:31
24M
24.00 mi12:39:592:36:246:317:16
7:16
-0:07
40K
24.85 mi12:46:062:42:316:326:07
7:09
-0:07
25.2M
25.20 mi12:48:412:45:066:332:35
7:29
+0:20
Finish
26.22 mi12:55:322:51:576:346:51
6:43
-0:46

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

6:14 /mi

Average Pace

6:34 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:32

57% of race

Time at Steady Pace

41:53

24% of race

Time at Slower Pace

32:32

19% of race

Average Pace: 6:33 /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 mi10:22:5619:216:1419:21
6:14
#2027
10K
6.21 mi10:42:1838:436:1419:22
6:14
#2038
15K
9.32 mi11:01:4558:106:1419:27
6:16
#2052
20K
12.43 mi11:21:211:17:466:1519:36
6:19
#2042
Half
13.11 mi11:25:381:22:036:164:17
6:17
#2067
25K
15.53 mi11:41:071:37:326:1715:29
6:23
#2082
30K
18.64 mi12:01:411:58:066:2020:34
6:37
#2114
20M
20.00 mi12:11:012:07:266:229:20
6:52
#2179
21M
21.00 mi12:18:202:14:456:257:19
7:19
#2232
35K
21.75 mi12:23:282:19:536:265:08
6:52
#2286
23M
23.00 mi12:32:432:29:086:299:15
7:23
#2439
24M
24.00 mi12:39:592:36:246:317:16
7:16
#2554
40K
24.85 mi12:46:062:42:316:326:07
7:09
#2597
25.2M
25.20 mi12:48:412:45:066:332:35
7:29
#2596
Finish
26.22 mi12:55:322:51:576:346:51
6:43
#2629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2027193019302165(Top 8%)2067(Top 13%)2067(Top 37%)
10K6.21 mi3.10 mi2038-111943-131943-132074(Top 7%)1977(Top 12%)1977(Top 35%)
15K9.32 mi3.11 mi2052-141956-131956-132165(Top 8%)2067(Top 13%)2067(Top 37%)
20K12.43 mi3.11 mi2042+101949+71949+72063(Top 7%)1967(Top 12%)1967(Top 35%)
Half13.11 mi0.68 mi2067-251974-251974-252439(Top 9%)2336(Top 15%)2336(Top 41%)
25K15.53 mi2.42 mi2082-151985-111985-112306(Top 8%)2193(Top 14%)2193(Top 39%)
30K18.64 mi3.11 mi2114-322016-312016-312505(Top 9%)2373(Top 15%)2373(Top 42%)
20M20.00 mi1.36 mi2179-652077-612077-613328(Top 12%)3079(Top 19%)3079(Top 55%)
21M21.00 mi1.00 mi2232-532130-532130-533702(Top 13%)3384(Top 21%)3384(Top 60%)
35K21.75 mi0.75 mi2286-542178-482178-484498(Top 16%)4000(Top 25%)4000(Top 71%)
23M23.00 mi1.25 mi2439-1532321-1432321-1435974(Top 21%)4952(Top 31%)4952(Top 88%)
24M24.00 mi1.00 mi2554-1152424-1032424-1036210(Top 22%)5042(Top 31%)5042(Top 89%)
40K24.85 mi0.85 mi2597-432465-412465-414777(Top 17%)4055(Top 25%)4055(Top 72%)
25.2M25.20 mi0.35 mi2596+12460+52460+53380(Top 12%)2970(Top 18%)2970(Top 53%)
Finish26.22 mi1.02 mi2629-332488-282488-284022(Top 14%)3455(Top 21%)3455(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2165

Males

2067

M18-39

2067

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2074

Males

1977

M18-39

1977

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2165

Males

2067

M18-39

2067

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2063

Males

1967

M18-39

1967

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2439

Males

2336

M18-39

2336

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2306

Males

2193

M18-39

2193

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2505

Males

2373

M18-39

2373

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3328

Males

3079

M18-39

3079

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3702

Males

3384

M18-39

3384

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4498

Males

4000

M18-39

4000

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5974

Males

4952

M18-39

4952

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6210

Males

5042

M18-39

5042

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4777

Males

4055

M18-39

4055

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3380

Males

2970

M18-39

2970

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

4022

Males

3455

M18-39

3455

Passing Analysis

Category:
Athletes Passed
509
Passed By
1111
Net Change
-602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2027
5K → 10K112123-11#2027#2038
10K → 15K5468-14#2038#2052
15K → 20K7262+10#2052#2042
20K → Half530-25#2042#2067
Half → 25K4358-15#2067#2082
25K → 30K5991-32#2082#2114
30K → 20M2388-65#2114#2179
20M → 21M3083-53#2179#2232
21M → 35K1165-54#2232#2286
35K → 23M16169-153#2286#2439
23M → 24M23138-115#2439#2554
24M → 40K2063-43#2554#2597
40K → 25.2M1918+1#2597#2596
25.2M → Finish2255-33#2596#2629
TOTALS5091111-602
📊

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