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BOSTON MARATHON 2025

James Lydon

Bib: 27748•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
24:37
Rank: #15928
Start → 5K
24:37 | 7:55/mi
10K· 6.21 mi
48:49
Rank: #15295 (+633)
5K → 10K
24:12 | 7:47/mi
15K· 9.32 mi
1:13:14
Rank: #15140 (+155)
10K → 15K
24:25 | 7:52/mi
20K· 12.43 mi
1:38:21
Rank: #15225 (-85)
15K → 20K
25:07 | 8:05/mi
Half· 13.11 mi
1:43:42
Rank: #15183 (+42)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:03:59
Rank: #15401 (-218)
Half → 25K
20:17 | 8:22/mi
30K· 18.64 mi
2:30:55
Rank: #15474 (-73)
25K → 30K
26:56 | 8:40/mi
20M
2:44:27
Rank: #16018 (-544)
30K → 20M
13:32 | 9:58/mi
21M
2:55:45
Rank: #16516 (-498)
20M → 21M
11:18 | 11:18/mi
35K· 21.75 mi
3:03:49
Rank: #16953 (-437)
21M → 35K
8:04 | 10:47/mi
23M
3:17:34
Rank: #17597 (-644)
35K → 23M
13:45 | 10:59/mi
24M
3:28:07
Rank: #17973 (-376)
23M → 24M
10:33 | 10:33/mi
40K· 24.85 mi
3:38:41
Rank: #18601 (-628)
24M → 40K
10:34 | 12:22/mi
25.2M
3:42:03
Rank: #18554 (+47)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:50:55
Rank: #18526 (+28)
25.2M → Finish
8:52 | 8:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time2:07:13
Pace9:42 /mi
📊Positive Split: 22.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:2224:377:5524:37
7:55
-
10K
6.21 mi12:04:3448:497:5124:12
7:47
-0:08
15K
9.32 mi12:28:591:13:147:5124:25
7:52
+0:05
20K
12.43 mi12:54:061:38:217:5525:07
8:05
+0:13
Half
13.11 mi12:59:271:43:427:555:21
7:50
-0:15
25K
15.53 mi13:19:442:03:597:5920:17
8:22
+0:32
30K
18.64 mi13:46:402:30:558:0626:56
8:40
+0:18
20M
20.00 mi14:00:122:44:278:1313:32
9:58
+1:18
21M
21.00 mi14:11:302:55:458:2211:18
11:18
+1:20
35K
21.75 mi14:19:343:03:498:278:04
10:47
-0:31
23M
23.00 mi14:33:193:17:348:3513:45
10:59
+0:12
24M
24.00 mi14:43:523:28:078:4010:33
10:33
-0:26
40K
24.85 mi14:54:263:38:418:4810:34
12:22
+1:49
25.2M
25.20 mi14:57:483:42:038:493:22
9:46
-2:36
Finish
26.22 mi15:06:403:50:558:498:52
8:42
-1:04

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

7:47 /mi

Average Pace

8:49 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:35

34% of race

Time at Steady Pace

1:21:12

35% of race

Time at Slower Pace

1:11:08

31% of race

Average Pace: 8:48 /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 mi11:40:2224:377:5524:37
7:55
#15928
10K
6.21 mi12:04:3448:497:5124:12
7:47
#15295
15K
9.32 mi12:28:591:13:147:5124:25
7:52
#15140
20K
12.43 mi12:54:061:38:217:5525:07
8:05
#15225
Half
13.11 mi12:59:271:43:427:555:21
7:50
#15183
25K
15.53 mi13:19:442:03:597:5920:17
8:22
#15401
30K
18.64 mi13:46:402:30:558:0626:56
8:40
#15474
20M
20.00 mi14:00:122:44:278:1313:32
9:58
#16018
21M
21.00 mi14:11:302:55:458:2211:18
11:18
#16516
35K
21.75 mi14:19:343:03:498:278:04
10:47
#16953
23M
23.00 mi14:33:193:17:348:3513:45
10:59
#17597
24M
24.00 mi14:43:523:28:078:4010:33
10:33
#17973
40K
24.85 mi14:54:263:38:418:4810:34
12:22
#18601
25.2M
25.20 mi14:57:483:42:038:493:22
9:46
#18554
Finish
26.22 mi15:06:403:50:558:498:52
8:42
#18526
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15928107801078014886(Top 52%)10327(Top 64%)10327(Top 183%)
10K6.21 mi3.10 mi15295+63310532+24810532+24814698(Top 52%)10299(Top 64%)10299(Top 183%)
15K9.32 mi3.11 mi15140+15510457+7510457+7514886(Top 52%)10327(Top 64%)10327(Top 183%)
20K12.43 mi3.11 mi15225-8510471-1410471-1415525(Top 55%)10560(Top 66%)10560(Top 187%)
Half13.11 mi0.68 mi15183+4210450+2110450+2114602(Top 51%)10183(Top 63%)10183(Top 180%)
25K15.53 mi2.42 mi15401-21810521-7110521-7116327(Top 57%)10790(Top 67%)10790(Top 191%)
30K18.64 mi3.11 mi15474-7310497+2410497+2415820(Top 56%)10428(Top 65%)10428(Top 185%)
20M20.00 mi1.36 mi16018-54410697-20010697-20020789(Top 73%)12486(Top 78%)12486(Top 221%)
21M21.00 mi1.00 mi16516-49810879-18210879-18222140(Top 78%)13032(Top 81%)13032(Top 231%)
35K21.75 mi0.75 mi16953-43711035-15611035-15623759(Top 84%)13767(Top 85%)13767(Top 244%)
23M23.00 mi1.25 mi17597-64411273-23811273-23823169(Top 82%)13409(Top 83%)13409(Top 238%)
24M24.00 mi1.00 mi17973-37611415-14211415-14222944(Top 81%)13276(Top 82%)13276(Top 235%)
40K24.85 mi0.85 mi18601-62811671-25611671-25625446(Top 90%)14488(Top 90%)14488(Top 257%)
25.2M25.20 mi0.35 mi18554+4711636+3511636+3515895(Top 56%)9832(Top 61%)9832(Top 174%)
Finish26.22 mi1.02 mi18526+2811611+2511611+2517464(Top 61%)10626(Top 66%)10626(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14886

Males

10327

M18-39

10327

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

14698

Males

10299

M18-39

10299

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14886

Males

10327

M18-39

10327

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

15525

Males

10560

M18-39

10560

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14602

Males

10183

M18-39

10183

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16327

Males

10790

M18-39

10790

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15820

Males

10428

M18-39

10428

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20789

Males

12486

M18-39

12486

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

22140

Males

13032

M18-39

13032

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23759

Males

13767

M18-39

13767

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23169

Males

13409

M18-39

13409

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

22944

Males

13276

M18-39

13276

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25446

Males

14488

M18-39

14488

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15895

Males

9832

M18-39

9832

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17464

Males

10626

M18-39

10626

Passing Analysis

Category:
Athletes Passed
1823
Passed By
4421
Net Change
-2598
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15928
5K → 10K72794+633#15928#15295
10K → 15K292137+155#15295#15140
15K → 20K177262-85#15140#15225
20K → Half5917+42#15225#15183
Half → 25K106324-218#15183#15401
25K → 30K216289-73#15401#15474
30K → 20M28572-544#15474#16018
20M → 21M26524-498#16018#16516
21M → 35K10447-437#16516#16953
35K → 23M22666-644#16953#17597
23M → 24M26402-376#17597#17973
24M → 40K6634-628#17973#18601
40K → 25.2M6013+47#18601#18554
25.2M → Finish6840+28#18554#18526
TOTALS18234421-2598
📊

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