Boston Marathon logo
BOSTON MARATHON 2025

Kenny Rayner

Bib: 3464•M

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
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
20:26
Rank: #4417
Start → 5K
20:26 | 6:35/mi
10K· 6.21 mi
40:51
Rank: #4314 (+103)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:01:22
Rank: #4285 (+29)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:22:56
Rank: #4769 (-484)
15K → 20K
21:34 | 6:56/mi
Half· 13.11 mi
1:27:58
Rank: #5088 (-319)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:47:44
Rank: #6834 (-1746)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:14:58
Rank: #8346 (-1512)
25K → 30K
27:14 | 8:46/mi
20M
2:27:11
Rank: #9039 (-693)
30K → 20M
12:13 | 8:59/mi
21M
2:37:23
Rank: #9748 (-709)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
2:44:03
Rank: #10119 (-371)
21M → 35K
6:40 | 8:55/mi
23M
2:55:27
Rank: #10583 (-464)
35K → 23M
11:24 | 9:06/mi
24M
3:04:32
Rank: #10920 (-337)
23M → 24M
9:05 | 9:05/mi
40K· 24.85 mi
3:12:07
Rank: #11098 (-178)
24M → 40K
7:35 | 8:52/mi
25.2M
3:15:20
Rank: #11125 (-27)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:23:19
Rank: #11123 (+2)
25.2M → Finish
7:59 | 7:50/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:58
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:55:21
Pace8:48 /mi
📊Positive Split: 31.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0620:266:3520:26
6:35
-
10K
6.21 mi10:43:3140:516:3420:25
6:34
-0:01
15K
9.32 mi11:04:021:01:226:3520:31
6:36
+0:02
20K
12.43 mi11:25:361:22:566:4021:34
6:56
+0:20
Half
13.11 mi11:30:381:27:586:435:02
7:23
+0:27
25K
15.53 mi11:50:241:47:446:5619:46
8:09
+0:46
30K
18.64 mi12:17:382:14:587:1427:14
8:46
+0:37
20M
20.00 mi12:29:512:27:117:2212:13
8:59
+0:13
21M
21.00 mi12:40:032:37:237:3010:12
10:12
+1:13
35K
21.75 mi12:46:432:44:037:336:40
8:55
-1:17
23M
23.00 mi12:58:072:55:277:3811:24
9:06
+0:11
24M
24.00 mi13:07:123:04:327:419:05
9:05
-0:01
40K
24.85 mi13:14:473:12:077:447:35
8:52
-0:13
25.2M
25.20 mi13:18:003:15:207:453:13
9:20
+0:28
Finish
26.22 mi13:25:593:23:197:467:59
7:50
-1:30

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

6:34 /mi

Average Pace

7:46 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:43

57% of race

Time at Steady Pace

1:14:11

36% of race

Time at Slower Pace

13:25

7% of race

Average Pace: 7:45 /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 mi10:23:0620:266:3520:26
6:35
#4417
10K
6.21 mi10:43:3140:516:3420:25
6:34
#4314
15K
9.32 mi11:04:021:01:226:3520:31
6:36
#4285
20K
12.43 mi11:25:361:22:566:4021:34
6:56
#4769
Half
13.11 mi11:30:381:27:586:435:02
7:23
#5088
25K
15.53 mi11:50:241:47:446:5619:46
8:09
#6834
30K
18.64 mi12:17:382:14:587:1427:14
8:46
#8346
20M
20.00 mi12:29:512:27:117:2212:13
8:59
#9039
21M
21.00 mi12:40:032:37:237:3010:12
10:12
#9748
35K
21.75 mi12:46:432:44:037:336:40
8:55
#10119
23M
23.00 mi12:58:072:55:277:3811:24
9:06
#10583
24M
24.00 mi13:07:123:04:327:419:05
9:05
#10920
40K
24.85 mi13:14:473:12:077:447:35
8:52
#11098
25.2M
25.20 mi13:18:003:15:207:453:13
9:20
#11125
Finish
26.22 mi13:25:593:23:197:467:59
7:50
#11123
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4417415441544277(Top 15%)4021(Top 25%)4021(Top 71%)
10K6.21 mi3.10 mi4314+1034055+994055+994249(Top 15%)3994(Top 25%)3994(Top 71%)
15K9.32 mi3.11 mi4285+294031+244031+244277(Top 15%)4021(Top 25%)4021(Top 71%)
20K12.43 mi3.11 mi4769-4844450-4194450-4196526(Top 23%)5848(Top 36%)5848(Top 104%)
Half13.11 mi0.68 mi5088-3194724-2744724-27410656(Top 38%)8378(Top 52%)8378(Top 148%)
25K15.53 mi2.42 mi6834-17466121-13976121-139714971(Top 53%)10204(Top 63%)10204(Top 181%)
30K18.64 mi3.11 mi8346-15127091-9707091-97016379(Top 58%)10655(Top 66%)10655(Top 189%)
20M20.00 mi1.36 mi9039-6937461-3707461-37016711(Top 59%)10681(Top 66%)10681(Top 189%)
21M21.00 mi1.00 mi9748-7097821-3607821-36018996(Top 67%)11607(Top 72%)11607(Top 206%)
35K21.75 mi0.75 mi10119-3717968-1477968-14717766(Top 63%)10938(Top 68%)10938(Top 194%)
23M23.00 mi1.25 mi10583-4648165-1978165-19716815(Top 59%)10427(Top 65%)10427(Top 185%)
24M24.00 mi1.00 mi10920-3378280-1158280-11517755(Top 63%)10797(Top 67%)10797(Top 191%)
40K24.85 mi0.85 mi11098-1788330-508330-5015531(Top 55%)9665(Top 60%)9665(Top 171%)
25.2M25.20 mi0.35 mi11125-278323+78323+713531(Top 48%)8701(Top 54%)8701(Top 154%)
Finish26.22 mi1.02 mi11123+28286+378286+3711659(Top 41%)7848(Top 49%)7848(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4277

Males

4021

M18-39

4021

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4249

Males

3994

M18-39

3994

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4277

Males

4021

M18-39

4021

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6526

Males

5848

M18-39

5848

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10656

Males

8378

M18-39

8378

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14971

Males

10204

M18-39

10204

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

16379

Males

10655

M18-39

10655

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16711

Males

10681

M18-39

10681

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

18996

Males

11607

M18-39

11607

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17766

Males

10938

M18-39

10938

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16815

Males

10427

M18-39

10427

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17755

Males

10797

M18-39

10797

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15531

Males

9665

M18-39

9665

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13531

Males

8701

M18-39

8701

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11659

Males

7848

M18-39

7848

Passing Analysis

Category:
Athletes Passed
595
Passed By
7299
Net Change
-6706
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4417
5K → 10K19693+103#4417#4314
10K → 15K11485+29#4314#4285
15K → 20K35519-484#4285#4769
20K → Half2321-319#4769#5088
Half → 25K71753-1746#5088#6834
25K → 30K181530-1512#6834#8346
30K → 20M16709-693#8346#9039
20M → 21M8717-709#9039#9748
21M → 35K18387-371#9748#10119
35K → 23M30494-464#10119#10583
23M → 24M22359-337#10583#10920
24M → 40K31209-178#10920#11098
40K → 25.2M2552-27#11098#11125
25.2M → Finish7371+2#11125#11123
TOTALS5957299-6706
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing