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BOSTON MARATHON 2025

Isaac Wilson

Bib: 5102•M

KS

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
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
21:03
Rank: #6121
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
42:18
Rank: #6373 (-252)
5K → 10K
21:15 | 6:50/mi
15K· 9.32 mi
1:03:24
Rank: #6230 (+143)
10K → 15K
21:06 | 6:47/mi
20K· 12.43 mi
1:24:39
Rank: #6039 (+191)
15K → 20K
21:15 | 6:50/mi
Half· 13.11 mi
1:29:13
Rank: #5996 (+43)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:45:40
Rank: #5735 (+261)
Half → 25K
16:27 | 6:47/mi
30K· 18.64 mi
2:07:16
Rank: #5392 (+343)
25K → 30K
21:36 | 6:57/mi
20M
2:16:50
Rank: #5284 (+108)
30K → 20M
9:34 | 7:02/mi
21M
2:24:10
Rank: #5142 (+142)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:29:15
Rank: #5092 (+50)
21M → 35K
5:05 | 6:48/mi
23M
2:37:55
Rank: #4930 (+162)
35K → 23M
8:40 | 6:55/mi
24M
2:44:37
Rank: #4795 (+135)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:50:26
Rank: #4678 (+117)
24M → 40K
5:49 | 6:48/mi
25.2M
2:52:54
Rank: #4609 (+69)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:59:28
Rank: #4520 (+89)
25.2M → Finish
6:34 | 6:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:13
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:30:15
Pace6:53 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4421:036:4721:03
6:47
-
10K
6.21 mi10:45:5942:186:4821:15
6:50
+0:03
15K
9.32 mi11:07:051:03:246:4821:06
6:47
-0:03
20K
12.43 mi11:28:201:24:396:4921:15
6:50
+0:03
Half
13.11 mi11:32:541:29:136:484:34
6:42
-0:08
25K
15.53 mi11:49:211:45:406:4816:27
6:47
+0:05
30K
18.64 mi12:10:572:07:166:5021:36
6:57
+0:10
20M
20.00 mi12:20:312:16:506:509:34
7:02
+0:05
21M
21.00 mi12:27:512:24:106:527:20
7:20
+0:18
35K
21.75 mi12:32:562:29:156:525:05
6:48
-0:32
23M
23.00 mi12:41:362:37:556:528:40
6:55
+0:07
24M
24.00 mi12:48:182:44:376:526:42
6:42
-0:13
40K
24.85 mi12:54:072:50:266:515:49
6:48
+0:06
25.2M
25.20 mi12:56:352:52:546:522:28
7:09
+0:21
Finish
26.22 mi13:03:092:59:286:516:34
6:27
-0:42

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

6:27 /mi

Average Pace

6:51 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:40

95% of race

Time at Steady Pace

9:48

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:51 /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 mi10:24:4421:036:4721:03
6:47
#6121
10K
6.21 mi10:45:5942:186:4821:15
6:50
#6373
15K
9.32 mi11:07:051:03:246:4821:06
6:47
#6230
20K
12.43 mi11:28:201:24:396:4921:15
6:50
#6039
Half
13.11 mi11:32:541:29:136:484:34
6:42
#5996
25K
15.53 mi11:49:211:45:406:4816:27
6:47
#5735
30K
18.64 mi12:10:572:07:166:5021:36
6:57
#5392
20M
20.00 mi12:20:312:16:506:509:34
7:02
#5284
21M
21.00 mi12:27:512:24:106:527:20
7:20
#5142
35K
21.75 mi12:32:562:29:156:525:05
6:48
#5092
23M
23.00 mi12:41:362:37:556:528:40
6:55
#4930
24M
24.00 mi12:48:182:44:376:526:42
6:42
#4795
40K
24.85 mi12:54:072:50:266:515:49
6:48
#4678
25.2M
25.20 mi12:56:352:52:546:522:28
7:09
#4609
Finish
26.22 mi13:03:092:59:286:516:34
6:27
#4520
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6121561556156008(Top 21%)5462(Top 34%)5462(Top 97%)
10K6.21 mi3.10 mi6373-2525819-2045819-2046779(Top 24%)6108(Top 38%)6108(Top 108%)
15K9.32 mi3.11 mi6230+1435697+1225697+1226008(Top 21%)5462(Top 34%)5462(Top 97%)
20K12.43 mi3.11 mi6039+1915515+1825515+1825687(Top 20%)5185(Top 32%)5185(Top 92%)
Half13.11 mi0.68 mi5996+435479+365479+365239(Top 18%)4834(Top 30%)4834(Top 86%)
25K15.53 mi2.42 mi5735+2615253+2265253+2264766(Top 17%)4389(Top 27%)4389(Top 78%)
30K18.64 mi3.11 mi5392+3434945+3084945+3084403(Top 16%)4031(Top 25%)4031(Top 71%)
20M20.00 mi1.36 mi5284+1084843+1024843+1024355(Top 15%)3970(Top 25%)3970(Top 70%)
21M21.00 mi1.00 mi5142+1424718+1254718+1253798(Top 13%)3461(Top 21%)3461(Top 61%)
35K21.75 mi0.75 mi5092+504674+444674+444113(Top 14%)3688(Top 23%)3688(Top 65%)
23M23.00 mi1.25 mi4930+1624524+1504524+1503359(Top 12%)3057(Top 19%)3057(Top 54%)
24M24.00 mi1.00 mi4795+1354400+1244400+1243008(Top 11%)2732(Top 17%)2732(Top 48%)
40K24.85 mi0.85 mi4678+1174296+1044296+1042890(Top 10%)2616(Top 16%)2616(Top 46%)
25.2M25.20 mi0.35 mi4609+694233+634233+632022(Top 7%)1835(Top 11%)1835(Top 33%)
Finish26.22 mi1.02 mi4520+894146+874146+872548(Top 9%)2317(Top 14%)2317(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6008

Males

5462

M18-39

5462

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6779

Males

6108

M18-39

6108

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6008

Males

5462

M18-39

5462

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5687

Males

5185

M18-39

5185

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5239

Males

4834

M18-39

4834

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4766

Males

4389

M18-39

4389

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4403

Males

4031

M18-39

4031

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4355

Males

3970

M18-39

3970

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3798

Males

3461

M18-39

3461

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

4113

Males

3688

M18-39

3688

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3359

Males

3057

M18-39

3057

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3008

Males

2732

M18-39

2732

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2890

Males

2616

M18-39

2616

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2022

Males

1835

M18-39

1835

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2548

Males

2317

M18-39

2317

Passing Analysis

Category:
Athletes Passed
2238
Passed By
637
Net Change
+1601
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6121
5K → 10K106358-252#6121#6373
10K → 15K22885+143#6373#6230
15K → 20K24049+191#6230#6039
20K → Half474+43#6039#5996
Half → 25K2698+261#5996#5735
25K → 30K37229+343#5735#5392
30K → 20M13224+108#5392#5284
20M → 21M16018+142#5284#5142
21M → 35K7222+50#5142#5092
35K → 23M1719+162#5092#4930
23M → 24M1372+135#4930#4795
24M → 40K12912+117#4795#4678
40K → 25.2M723+69#4678#4609
25.2M → Finish10314+89#4609#4520
TOTALS2238637+1601
📊

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