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BOSTON MARATHON 2025

Sean Lynch

Bib: 31783•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
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
32:33
Rank: #26698
Start → 5K
32:33 | 10:29/mi
10K· 6.21 mi
1:06:48
Rank: #26931 (-233)
5K → 10K
34:15 | 11:01/mi
15K· 9.32 mi
1:42:15
Rank: #27035 (-104)
10K → 15K
35:27 | 11:25/mi
20K· 12.43 mi
2:23:19
Rank: #27408 (-373)
15K → 20K
41:04 | 13:13/mi
Half· 13.11 mi
2:32:23
Rank: #27487 (-79)
20K → Half
9:04 | 13:17/mi
25K· 15.53 mi
3:06:06
Rank: #27582 (-95)
Half → 25K
33:43 | 13:54/mi
30K· 18.64 mi
3:47:47
Rank: #27504 (+78)
25K → 30K
41:41 | 13:25/mi
20M
4:04:49
Rank: #27404 (+100)
30K → 20M
17:02 | 12:32/mi
21M
4:18:58
Rank: #27372 (+32)
20M → 21M
14:09 | 14:09/mi
35K· 21.75 mi
4:28:45
Rank: #27374 (-2)
21M → 35K
9:47 | 13:05/mi
23M
4:45:51
Rank: #27370 (+4)
35K → 23M
17:06 | 13:39/mi
24M
4:59:07
Rank: #27373 (-3)
23M → 24M
13:16 | 13:16/mi
40K· 24.85 mi
5:11:20
Rank: #27377 (-4)
24M → 40K
12:13 | 14:17/mi
25.2M
5:16:20
Rank: #27370 (+7)
40K → 25.2M
5:00 | 14:30/mi
Finish· 26.22 mi
5:28:42
Rank: #27380 (-10)
25.2M → Finish
12:22 | 12:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:32:23
Pace11:37 /mi
2nd Half
Distance13.11 mi
Time2:56:19
Pace13:27 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0632:3310:2932:33
10:29
-
10K
6.21 mi12:28:211:06:4810:4534:15
11:01
+0:32
15K
9.32 mi13:03:481:42:1510:5835:27
11:25
+0:24
20K
12.43 mi13:44:522:23:1911:3241:04
13:13
+1:48
Half
13.11 mi13:53:562:32:2311:379:04
13:17
+0:04
25K
15.53 mi14:27:393:06:0611:5933:43
13:54
+0:37
30K
18.64 mi15:09:203:47:4712:1341:41
13:25
-0:29
20M
20.00 mi15:26:224:04:4912:1417:02
12:32
-0:53
21M
21.00 mi15:40:314:18:5812:2014:09
14:09
+1:37
35K
21.75 mi15:50:184:28:4512:219:47
13:05
-1:04
23M
23.00 mi16:07:244:45:5112:2617:06
13:39
+0:34
24M
24.00 mi16:20:404:59:0712:2813:16
13:16
-0:23
40K
24.85 mi16:32:535:11:2012:3212:13
14:17
+1:01
25.2M
25.20 mi16:37:535:16:2012:335:00
14:30
+0:13
Finish
26.22 mi16:50:155:28:4212:3312:22
12:08
-2:22

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

10:29 /mi

Average Pace

12:33 /mi

Slowest Pace

14:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:39

40% of race

Time at Steady Pace

2:11:58

40% of race

Time at Slower Pace

1:05:05

20% of race

Average Pace: 12:32 /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 mi11:54:0632:3310:2932:33
10:29
#26698
10K
6.21 mi12:28:211:06:4810:4534:15
11:01
#26931
15K
9.32 mi13:03:481:42:1510:5835:27
11:25
#27035
20K
12.43 mi13:44:522:23:1911:3241:04
13:13
#27408
Half
13.11 mi13:53:562:32:2311:379:04
13:17
#27487
25K
15.53 mi14:27:393:06:0611:5933:43
13:54
#27582
30K
18.64 mi15:09:203:47:4712:1341:41
13:25
#27504
20M
20.00 mi15:26:224:04:4912:1417:02
12:32
#27404
21M
21.00 mi15:40:314:18:5812:2014:09
14:09
#27372
35K
21.75 mi15:50:184:28:4512:219:47
13:05
#27374
23M
23.00 mi16:07:244:45:5112:2617:06
13:39
#27370
24M
24.00 mi16:20:404:59:0712:2813:16
13:16
#27373
40K
24.85 mi16:32:535:11:2012:3212:13
14:17
#27377
25.2M
25.20 mi16:37:535:16:2012:335:00
14:30
#27370
Finish
26.22 mi16:50:155:28:4212:3312:22
12:08
#27380
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26698154771547727150(Top 96%)15619(Top 97%)15619(Top 277%)
10K6.21 mi3.10 mi26931-23315561-8415561-8427093(Top 95%)15608(Top 97%)15608(Top 277%)
15K9.32 mi3.11 mi27035-10415591-3015591-3027150(Top 96%)15619(Top 97%)15619(Top 277%)
20K12.43 mi3.11 mi27408-37315735-14415735-14427941(Top 98%)15911(Top 99%)15911(Top 282%)
Half13.11 mi0.68 mi27487-7915763-2815763-2828105(Top 99%)15962(Top 99%)15962(Top 283%)
25K15.53 mi2.42 mi27582-9515787-2415787-2427843(Top 98%)15858(Top 98%)15858(Top 281%)
30K18.64 mi3.11 mi27504+7815731+5615731+5627079(Top 95%)15467(Top 96%)15467(Top 274%)
20M20.00 mi1.36 mi27404+10015684+4715684+4725947(Top 91%)14893(Top 92%)14893(Top 264%)
21M21.00 mi1.00 mi27372+3215668+1615668+1626388(Top 93%)15069(Top 94%)15069(Top 267%)
35K21.75 mi0.75 mi27374-215670-215670-227042(Top 95%)15361(Top 95%)15361(Top 272%)
23M23.00 mi1.25 mi27370+415658+1215658+1227029(Top 95%)15338(Top 95%)15338(Top 272%)
24M24.00 mi1.00 mi27373-315652+615652+627122(Top 95%)15349(Top 95%)15349(Top 272%)
40K24.85 mi0.85 mi27377-415647+515647+527388(Top 96%)15501(Top 96%)15501(Top 275%)
25.2M25.20 mi0.35 mi27370+715641+615641+626752(Top 94%)15144(Top 94%)15144(Top 268%)
Finish26.22 mi1.02 mi27380-1015650-915650-926948(Top 95%)15274(Top 95%)15274(Top 271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27150

Males

15619

M18-39

15619

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

27093

Males

15608

M18-39

15608

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27150

Males

15619

M18-39

15619

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27941

Males

15911

M18-39

15911

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

28105

Males

15962

M18-39

15962

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

27843

Males

15858

M18-39

15858

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

27079

Males

15467

M18-39

15467

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25947

Males

14893

M18-39

14893

20M→21M

20.0 - 21.0 mi

Top 93%
×8stories
+106ft-24ft

Overall

26388

Males

15069

M18-39

15069

21M→35K

21.0 - 21.8 mi

Top 95%
×7stories
+17ft-86ft

Overall

27042

Males

15361

M18-39

15361

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

27029

Males

15338

M18-39

15338

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

27122

Males

15349

M18-39

15349

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27388

Males

15501

M18-39

15501

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26752

Males

15144

M18-39

15144

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

26948

Males

15274

M18-39

15274

Passing Analysis

Category:
Athletes Passed
548
Passed By
1230
Net Change
-682
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26698
5K → 10K88321-233#26698#26931
10K → 15K74178-104#26931#27035
15K → 20K16389-373#27035#27408
20K → Half382-79#27408#27487
Half → 25K32127-95#27487#27582
25K → 30K9820+78#27582#27504
30K → 20M1022+100#27504#27404
20M → 21M408+32#27404#27372
21M → 35K1113-2#27372#27374
35K → 23M2521+4#27374#27370
23M → 24M1922-3#27370#27373
24M → 40K1923-4#27373#27377
40K → 25.2M103+7#27377#27370
25.2M → Finish1121-10#27370#27380
TOTALS5481230-682
📊

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