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BOSTON MARATHON 2025

Justin Shane

Bib: 2849•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M40-44)
#0 / 2247
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:22
Rank: #6876
Start → 5K
21:22 | 6:53/mi
10K· 6.21 mi
42:14
Rank: #6254 (+622)
5K → 10K
20:52 | 6:43/mi
15K· 9.32 mi
1:03:30
Rank: #6312 (-58)
10K → 15K
21:16 | 6:51/mi
20K· 12.43 mi
1:25:06
Rank: #6382 (-70)
15K → 20K
21:36 | 6:57/mi
Half· 13.11 mi
1:29:47
Rank: #6397 (-15)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:46:41
Rank: #6315 (+82)
Half → 25K
16:54 | 6:58/mi
30K· 18.64 mi
2:08:43
Rank: #6007 (+308)
25K → 30K
22:02 | 7:06/mi
20M
2:18:23
Rank: #5864 (+143)
30K → 20M
9:40 | 7:07/mi
21M
2:25:55
Rank: #5741 (+123)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:31:04
Rank: #5676 (+65)
21M → 35K
5:09 | 6:53/mi
23M
2:39:56
Rank: #5521 (+155)
35K → 23M
8:52 | 7:05/mi
24M
2:46:46
Rank: #5398 (+123)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:52:39
Rank: #5271 (+127)
24M → 40K
5:53 | 6:53/mi
25.2M
2:55:10
Rank: #5204 (+67)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
3:01:49
Rank: #5077 (+127)
25.2M → Finish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:47
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:32:02
Pace7:01 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1121:226:5321:22
6:53
-
10K
6.21 mi10:44:0342:146:4820:52
6:43
-0:10
15K
9.32 mi11:05:191:03:306:4921:16
6:51
+0:08
20K
12.43 mi11:26:551:25:066:5121:36
6:57
+0:06
Half
13.11 mi11:31:361:29:476:514:41
6:52
-0:05
25K
15.53 mi11:48:301:46:416:5216:54
6:58
+0:06
30K
18.64 mi12:10:322:08:436:5422:02
7:06
+0:08
20M
20.00 mi12:20:122:18:236:559:40
7:07
+0:01
21M
21.00 mi12:27:442:25:556:577:32
7:32
+0:25
35K
21.75 mi12:32:532:31:046:575:09
6:53
-0:39
23M
23.00 mi12:41:452:39:566:578:52
7:05
+0:12
24M
24.00 mi12:48:352:46:466:576:50
6:50
-0:15
40K
24.85 mi12:54:282:52:396:575:53
6:53
+0:03
25.2M
25.20 mi12:56:592:55:106:572:31
7:18
+0:25
Finish
26.22 mi13:03:383:01:496:566:39
6:32
-0:46

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

6:32 /mi

Average Pace

6:56 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:46

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:56 /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 mi10:23:1121:226:5321:22
6:53
#6876
10K
6.21 mi10:44:0342:146:4820:52
6:43
#6254
15K
9.32 mi11:05:191:03:306:4921:16
6:51
#6312
20K
12.43 mi11:26:551:25:066:5121:36
6:57
#6382
Half
13.11 mi11:31:361:29:476:514:41
6:52
#6397
25K
15.53 mi11:48:301:46:416:5216:54
6:58
#6315
30K
18.64 mi12:10:322:08:436:5422:02
7:06
#6007
20M
20.00 mi12:20:122:18:236:559:40
7:07
#5864
21M
21.00 mi12:27:442:25:556:577:32
7:32
#5741
35K
21.75 mi12:32:532:31:046:575:09
6:53
#5676
23M
23.00 mi12:41:452:39:566:578:52
7:05
#5521
24M
24.00 mi12:48:352:46:466:576:50
6:50
#5398
40K
24.85 mi12:54:282:52:396:575:53
6:53
#5271
25.2M
25.20 mi12:56:592:55:106:572:31
7:18
#5204
Finish
26.22 mi13:03:383:01:496:566:39
6:32
#5077
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6876621262126503(Top 23%)5865(Top 36%)5865(Top 261%)
10K6.21 mi3.10 mi6254+6225725+4875725+4875479(Top 19%)5054(Top 31%)5054(Top 225%)
15K9.32 mi3.11 mi6312-585757-325757-326503(Top 23%)5865(Top 36%)5865(Top 261%)
20K12.43 mi3.11 mi6382-705784-275784-276574(Top 23%)5880(Top 37%)5880(Top 262%)
Half13.11 mi0.68 mi6397-155797-135797-136578(Top 23%)5874(Top 36%)5874(Top 261%)
25K15.53 mi2.42 mi6315+825714+835714+836095(Top 21%)5467(Top 34%)5467(Top 243%)
30K18.64 mi3.11 mi6007+3085446+2685446+2685262(Top 19%)4747(Top 29%)4747(Top 211%)
20M20.00 mi1.36 mi5864+1435316+1305316+1304732(Top 17%)4273(Top 27%)4273(Top 190%)
21M21.00 mi1.00 mi5741+1235214+1025214+1024763(Top 17%)4197(Top 26%)4197(Top 187%)
35K21.75 mi0.75 mi5676+655156+585156+584593(Top 16%)4071(Top 25%)4071(Top 181%)
23M23.00 mi1.25 mi5521+1555011+1455011+1454226(Top 15%)3755(Top 23%)3755(Top 167%)
24M24.00 mi1.00 mi5398+1234905+1064905+1063700(Top 13%)3296(Top 20%)3296(Top 147%)
40K24.85 mi0.85 mi5271+1274789+1164789+1163258(Top 11%)2910(Top 18%)2910(Top 130%)
25.2M25.20 mi0.35 mi5204+674728+614728+612521(Top 9%)2255(Top 14%)2255(Top 100%)
Finish26.22 mi1.02 mi5077+1274611+1174611+1172949(Top 10%)2630(Top 16%)2630(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6503

Males

5865

M40-44

5865

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5479

Males

5054

M40-44

5054

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6503

Males

5865

M40-44

5865

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6574

Males

5880

M40-44

5880

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6578

Males

5874

M40-44

5874

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

6095

Males

5467

M40-44

5467

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5262

Males

4747

M40-44

4747

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4732

Males

4273

M40-44

4273

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4763

Males

4197

M40-44

4197

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4593

Males

4071

M40-44

4071

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4226

Males

3755

M40-44

3755

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3700

Males

3296

M40-44

3296

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3258

Males

2910

M40-44

2910

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2521

Males

2255

M40-44

2255

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2949

Males

2630

M40-44

2630

Passing Analysis

Category:
Athletes Passed
2386
Passed By
587
Net Change
+1799
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6876
5K → 10K64220+622#6876#6254
10K → 15K125183-58#6254#6312
15K → 20K117187-70#6312#6382
20K → Half1833-15#6382#6397
Half → 25K15775+82#6397#6315
25K → 30K34032+308#6315#6007
30K → 20M15714+143#6007#5864
20M → 21M13815+123#5864#5741
21M → 35K727+65#5741#5676
35K → 23M16914+155#5676#5521
23M → 24M1252+123#5521#5398
24M → 40K1303+127#5398#5271
40K → 25.2M670+67#5271#5204
25.2M → Finish1292+127#5204#5077
TOTALS2386587+1799
📊

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