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BOSTON MARATHON 2025

James Alison

Bib: 28567•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:43
Rank: #26077
Start → 5K
31:43 | 10:13/mi
10K· 6.21 mi
1:04:18
Rank: #26194 (-117)
5K → 10K
32:35 | 10:29/mi
15K· 9.32 mi
1:36:57
Rank: #26083 (+111)
10K → 15K
32:39 | 10:31/mi
20K· 12.43 mi
2:10:52
Rank: #26031 (+52)
15K → 20K
33:55 | 10:55/mi
Half· 13.11 mi
2:17:51
Rank: #25984 (+47)
20K → Half
6:59 | 10:14/mi
25K· 15.53 mi
2:44:42
Rank: #25882 (+102)
Half → 25K
26:51 | 11:04/mi
30K· 18.64 mi
3:21:41
Rank: #25788 (+94)
25K → 30K
36:59 | 11:54/mi
20M
3:38:31
Rank: #25778 (+10)
30K → 20M
16:50 | 12:23/mi
21M
3:51:57
Rank: #25796 (-18)
20M → 21M
13:26 | 13:26/mi
35K· 21.75 mi
4:00:42
Rank: #25795 (+1)
21M → 35K
8:45 | 11:42/mi
23M
4:15:56
Rank: #25788 (+7)
35K → 23M
15:14 | 12:10/mi
24M
4:27:36
Rank: #25778 (+10)
23M → 24M
11:40 | 11:40/mi
40K· 24.85 mi
4:38:22
Rank: #25790 (-12)
24M → 40K
10:46 | 12:36/mi
25.2M
4:42:53
Rank: #25792 (-2)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
4:53:54
Rank: #25790 (+2)
25.2M → Finish
11:01 | 10:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:51
Pace10:31 /mi
2nd Half
Distance13.11 mi
Time2:36:03
Pace11:54 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2031:4310:1331:43
10:13
-
10K
6.21 mi12:26:551:04:1810:2132:35
10:29
+0:16
15K
9.32 mi12:59:341:36:5710:2432:39
10:31
+0:02
20K
12.43 mi13:33:292:10:5210:3233:55
10:55
+0:24
Half
13.11 mi13:40:282:17:5110:316:59
10:14
-0:41
25K
15.53 mi14:07:192:44:4210:3626:51
11:04
+0:50
30K
18.64 mi14:44:183:21:4110:4936:59
11:54
+0:50
20M
20.00 mi15:01:083:38:3110:5616:50
12:23
+0:29
21M
21.00 mi15:14:343:51:5711:0313:26
13:26
+1:03
35K
21.75 mi15:23:194:00:4211:048:45
11:42
-1:44
23M
23.00 mi15:38:334:15:5611:0815:14
12:10
+0:28
24M
24.00 mi15:50:134:27:3611:0911:40
11:40
-0:30
40K
24.85 mi16:00:594:38:2211:1210:46
12:36
+0:56
25.2M
25.20 mi16:05:304:42:5311:144:31
13:06
+0:30
Finish
26.22 mi16:16:314:53:5411:1311:01
10:49
-2:17

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

10:13 /mi

Average Pace

11:13 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:43

60% of race

Time at Steady Pace

1:12:38

25% of race

Time at Slower Pace

45:33

15% of race

Average Pace: 11:13 /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 mi11:54:2031:4310:1331:43
10:13
#26077
10K
6.21 mi12:26:551:04:1810:2132:35
10:29
#26194
15K
9.32 mi12:59:341:36:5710:2432:39
10:31
#26083
20K
12.43 mi13:33:292:10:5210:3233:55
10:55
#26031
Half
13.11 mi13:40:282:17:5110:316:59
10:14
#25984
25K
15.53 mi14:07:192:44:4210:3626:51
11:04
#25882
30K
18.64 mi14:44:183:21:4110:4936:59
11:54
#25788
20M
20.00 mi15:01:083:38:3110:5616:50
12:23
#25778
21M
21.00 mi15:14:343:51:5711:0313:26
13:26
#25796
35K
21.75 mi15:23:194:00:4211:048:45
11:42
#25795
23M
23.00 mi15:38:334:15:5611:0815:14
12:10
#25788
24M
24.00 mi15:50:134:27:3611:0911:40
11:40
#25778
40K
24.85 mi16:00:594:38:2211:1210:46
12:36
#25790
25.2M
25.20 mi16:05:304:42:5311:144:31
13:06
#25792
Finish
26.22 mi16:16:314:53:5411:1311:01
10:49
#25790
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi26077152091520925959(Top 91%)15125(Top 94%)15125(Top 918%)
10K6.21 mi3.10 mi26194-11715251-4215251-4226240(Top 92%)15244(Top 95%)15244(Top 925%)
15K9.32 mi3.11 mi26083+11115192+5915192+5925959(Top 91%)15125(Top 94%)15125(Top 918%)
20K12.43 mi3.11 mi26031+5215160+3215160+3225878(Top 91%)15070(Top 94%)15070(Top 914%)
Half13.11 mi0.68 mi25984+4715137+2315137+2325321(Top 89%)14814(Top 92%)14814(Top 899%)
25K15.53 mi2.42 mi25882+10215085+5215085+5225313(Top 89%)14777(Top 92%)14777(Top 897%)
30K18.64 mi3.11 mi25788+9415008+7715008+7725458(Top 90%)14743(Top 92%)14743(Top 895%)
20M20.00 mi1.36 mi25778+1014989+1914989+1925783(Top 91%)14825(Top 92%)14825(Top 900%)
21M21.00 mi1.00 mi25796-1814990-114990-125593(Top 90%)14671(Top 91%)14671(Top 890%)
35K21.75 mi0.75 mi25795+114984+614984+625406(Top 89%)14541(Top 90%)14541(Top 882%)
23M23.00 mi1.25 mi25788+714967+1714967+1725353(Top 89%)14511(Top 90%)14511(Top 881%)
24M24.00 mi1.00 mi25778+1014948+1914948+1925190(Top 89%)14404(Top 89%)14404(Top 874%)
40K24.85 mi0.85 mi25790-1214942+614942+625786(Top 91%)14686(Top 91%)14686(Top 891%)
25.2M25.20 mi0.35 mi25792-2149421494225187(Top 89%)14340(Top 89%)14340(Top 870%)
Finish26.22 mi1.02 mi25790+214934+814934+824978(Top 88%)14268(Top 89%)14268(Top 866%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

25959

Males

15125

M55-59

15125

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26240

Males

15244

M55-59

15244

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

25959

Males

15125

M55-59

15125

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25878

Males

15070

M55-59

15070

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

25321

Males

14814

M55-59

14814

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25313

Males

14777

M55-59

14777

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25458

Males

14743

M55-59

14743

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25783

Males

14825

M55-59

14825

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25593

Males

14671

M55-59

14671

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

25406

Males

14541

M55-59

14541

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25353

Males

14511

M55-59

14511

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25190

Males

14404

M55-59

14404

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25786

Males

14686

M55-59

14686

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25187

Males

14340

M55-59

14340

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

24978

Males

14268

M55-59

14268

Passing Analysis

Category:
Athletes Passed
1059
Passed By
772
Net Change
+287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26077
5K → 10K126243-117#26077#26194
10K → 15K17968+111#26194#26083
15K → 20K14088+52#26083#26031
20K → Half514+47#26031#25984
Half → 25K14745+102#25984#25882
25K → 30K15460+94#25882#25788
30K → 20M5545+10#25788#25778
20M → 21M3654-18#25778#25796
21M → 35K2625+1#25796#25795
35K → 23M4437+7#25795#25788
23M → 24M4030+10#25788#25778
24M → 40K2638-12#25778#25790
40K → 25.2M1113-2#25790#25792
25.2M → Finish2422+2#25792#25790
TOTALS1059772+287
📊

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