Boston Marathon logo
BOSTON MARATHON 2025

Keith Lynch

Bib: 6584•M

FL

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 11%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M40-44)
#0 / 2247
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #3004
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:10
Rank: #2437 (+567)
5K → 10K
19:20 | 6:13/mi
15K· 9.32 mi
58:23
Rank: #2172 (+265)
10K → 15K
19:13 | 6:11/mi
20K· 12.43 mi
1:18:01
Rank: #2141 (+31)
15K → 20K
19:38 | 6:19/mi
Half· 13.11 mi
1:22:12
Rank: #2121 (+20)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:37:35
Rank: #2090 (+31)
Half → 25K
15:23 | 6:21/mi
30K· 18.64 mi
1:57:42
Rank: #2007 (+83)
25K → 30K
20:07 | 6:28/mi
20M
2:06:39
Rank: #1987 (+20)
30K → 20M
8:57 | 6:35/mi
21M
2:13:27
Rank: #1936 (+51)
20M → 21M
6:48 | 6:48/mi
35K· 21.75 mi
2:18:06
Rank: #1879 (+57)
21M → 35K
4:39 | 6:13/mi
23M
2:26:25
Rank: #1855 (+24)
35K → 23M
8:19 | 6:39/mi
24M
2:32:46
Rank: #1822 (+33)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:38:32
Rank: #1821 (+1)
24M → 40K
5:46 | 6:45/mi
25.2M
2:41:02
Rank: #1814 (+7)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:47:41
Rank: #1820 (-6)
25.2M → Finish
6:39 | 6:32/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
Time1:22:12
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:25:29
Pace6:31 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2919:506:2319:50
6:23
-
10K
6.21 mi10:43:4939:106:1819:20
6:13
-0:10
15K
9.32 mi11:03:0258:236:1619:13
6:11
-0:02
20K
12.43 mi11:22:401:18:016:1719:38
6:19
+0:08
Half
13.11 mi11:26:511:22:126:164:11
6:08
-0:11
25K
15.53 mi11:42:141:37:356:1715:23
6:21
+0:13
30K
18.64 mi12:02:211:57:426:1920:07
6:28
+0:07
20M
20.00 mi12:11:182:06:396:208:57
6:35
+0:07
21M
21.00 mi12:18:062:13:276:216:48
6:48
+0:13
35K
21.75 mi12:22:452:18:066:214:39
6:13
-0:35
23M
23.00 mi12:31:042:26:256:228:19
6:39
+0:26
24M
24.00 mi12:37:252:32:466:226:21
6:21
-0:18
40K
24.85 mi12:43:112:38:326:235:46
6:45
+0:24
25.2M
25.20 mi12:45:412:41:026:232:30
7:15
+0:30
Finish
26.22 mi12:52:202:47:416:246:39
6:32
-0:43

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

6:08 /mi

Average Pace

6:24 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:37

91% of race

Time at Steady Pace

12:34

7% of race

Time at Slower Pace

2:30

1% of race

Average Pace: 6:24 /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 mi10:24:2919:506:2319:50
6:23
#3004
10K
6.21 mi10:43:4939:106:1819:20
6:13
#2437
15K
9.32 mi11:03:0258:236:1619:13
6:11
#2172
20K
12.43 mi11:22:401:18:016:1719:38
6:19
#2141
Half
13.11 mi11:26:511:22:126:164:11
6:08
#2121
25K
15.53 mi11:42:141:37:356:1715:23
6:21
#2090
30K
18.64 mi12:02:211:57:426:1920:07
6:28
#2007
20M
20.00 mi12:11:182:06:396:208:57
6:35
#1987
21M
21.00 mi12:18:062:13:276:216:48
6:48
#1936
35K
21.75 mi12:22:452:18:066:214:39
6:13
#1879
23M
23.00 mi12:31:042:26:256:228:19
6:39
#1855
24M
24.00 mi12:37:252:32:466:226:21
6:21
#1822
40K
24.85 mi12:43:112:38:326:235:46
6:45
#1821
25.2M
25.20 mi12:45:412:41:026:232:30
7:15
#1814
Finish
26.22 mi12:52:202:47:416:246:39
6:32
#1820
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3004285728571791(Top 6%)1703(Top 11%)1703(Top 76%)
10K6.21 mi3.10 mi2437+5672324+5332324+5332025(Top 7%)1929(Top 12%)1929(Top 86%)
15K9.32 mi3.11 mi2172+2652073+2512073+2511791(Top 6%)1703(Top 11%)1703(Top 76%)
20K12.43 mi3.11 mi2141+312044+292044+292102(Top 7%)2004(Top 12%)2004(Top 89%)
Half13.11 mi0.68 mi2121+202025+192025+191696(Top 6%)1615(Top 10%)1615(Top 72%)
25K15.53 mi2.42 mi2090+311993+321993+322087(Top 7%)1988(Top 12%)1988(Top 88%)
30K18.64 mi3.11 mi2007+831911+821911+821886(Top 7%)1796(Top 11%)1796(Top 80%)
20M20.00 mi1.36 mi1987+201892+191892+191976(Top 7%)1869(Top 12%)1869(Top 83%)
21M21.00 mi1.00 mi1936+511840+521840+521550(Top 5%)1461(Top 9%)1461(Top 65%)
35K21.75 mi0.75 mi1879+571784+561784+561313(Top 5%)1243(Top 8%)1243(Top 55%)
23M23.00 mi1.25 mi1855+241759+251759+252020(Top 7%)1890(Top 12%)1890(Top 84%)
24M24.00 mi1.00 mi1822+331726+331726+331499(Top 5%)1403(Top 9%)1403(Top 62%)
40K24.85 mi0.85 mi1821+11724+21724+22592(Top 9%)2360(Top 15%)2360(Top 105%)
25.2M25.20 mi0.35 mi1814+71718+61718+62350(Top 8%)2103(Top 13%)2103(Top 94%)
Finish26.22 mi1.02 mi1820-61722-41722-42957(Top 10%)2638(Top 16%)2638(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1791

Males

1703

M40-44

1703

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2025

Males

1929

M40-44

1929

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1791

Males

1703

M40-44

1703

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2102

Males

2004

M40-44

2004

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1696

Males

1615

M40-44

1615

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2087

Males

1988

M40-44

1988

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1886

Males

1796

M40-44

1796

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1976

Males

1869

M40-44

1869

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1550

Males

1461

M40-44

1461

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1313

Males

1243

M40-44

1243

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

2020

Males

1890

M40-44

1890

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1499

Males

1403

M40-44

1403

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2592

Males

2360

M40-44

2360

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2350

Males

2103

M40-44

2103

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2957

Males

2638

M40-44

2638

Passing Analysis

Category:
Athletes Passed
1457
Passed By
273
Net Change
+1184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3004
5K → 10K5747+567#3004#2437
10K → 15K2683+265#2437#2172
15K → 20K7544+31#2172#2141
20K → Half266+20#2141#2121
Half → 25K6029+31#2121#2090
25K → 30K11229+83#2090#2007
30K → 20M4626+20#2007#1987
20M → 21M6413+51#1987#1936
21M → 35K581+57#1936#1879
35K → 23M5632+24#1879#1855
23M → 24M4714+33#1855#1822
24M → 40K2221+1#1822#1821
40K → 25.2M1912+7#1821#1814
25.2M → Finish3036-6#1814#1820
TOTALS1457273+1184
📊

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