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BOSTON MARATHON 2025

James Attwood

Bib: 10631 M GB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 31%
Masters (Masters Men)
#0 / 10463
Top 17%
Division (M45-49)
#0 / 2386
Top 22%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:00/mi
21:44
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:02/mi
43:34
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:03/mi
1:05:27
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:06/mi
1:27:30
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:59/mi
1:32:16
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:02/mi
1:49:18
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:08/mi
2:11:27
↑ 181↓ 1480.2%
138 ft elev
20M
7:08/mi
2:21:09
↑ 64↓ 500.2%
148 ft elev
21M
7:20/mi
2:28:29
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:44/mi
2:33:31
↑ 17↓ 861.7%
156 ft elev
23M
7:06/mi
2:42:24
↑ 23↓ 630.6%
116 ft elev
24M
6:54/mi
2:49:18
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:52/mi
2:55:10
↓ 200.3%
20 ft elev
25.2M
7:15/mi
2:57:40
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:08/mi
3:03:55
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:32:167:02 /mi⚖️ balanced
2nd Half
1:31:396:59 /mi⚖️ balanced
Even split — consistent pacing between halves
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:447:003.11 mi21:44
7:00
-
10K
43:347:013.10 mi21:50
7:02
+0:02
15K
1:05:277:013.11 mi21:53
7:03
+0:01
20K
1:27:307:023.11 mi22:03
7:06
+0:03
Half(13.11 mi)
1:32:167:020.68 mi4:46
6:59
-0:07
25K
1:49:187:022.42 mi17:02
7:02
+0:03
30K
2:11:277:033.11 mi22:09
7:08
+0:06
20M
2:21:097:031.36 mi9:42
7:08
0:00
21M
2:28:297:041.00 mi7:20
7:20
+0:12
35K
2:33:317:040.75 mi5:02
6:44
-0:36
23M
2:42:247:041.25 mi8:53
7:06
+0:22
24M
2:49:187:031.00 mi6:54
6:54
-0:12
40K
2:55:107:030.85 mi5:52
6:52
-0:02
25.2M
2:57:407:030.35 mi2:30
7:15
+0:23
Finish(26.22 mi)
3:03:557:011.02 mi6:15
6:08
-1:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:08 /mi

Average Pace

7:01 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

11:17

6% of race

Time at Steady Pace

2:42:48

89% of race

Time at Slower Pace

9:50

5% of race

Average Pace: 7:01 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi776868436843790368836883
10K3.10 mi7931-1636936-936936-93811670397039
15K3.11 mi7907+246922+146922+14790368836883
20K3.11 mi7765+1426810+1126810+112748365416541
Half(13.11 mi)0.68 mi7739+266790+206790+20744465346534
25K2.42 mi7490+2496602+1886602+188647257475747
30K3.11 mi7009+4816217+3856217+385549349334933
20M1.36 mi6747+2625996+2215996+221488844034403
21M1.00 mi6508+2395796+2005796+200380334663466
35K0.75 mi6374+1345681+1155681+115372733743374
23M1.25 mi6181+1935518+1635518+163431638283828
24M1.00 mi6033+1485393+1255393+125410836253625
40K0.85 mi5880+1535254+1395254+139318928622862
25.2M0.35 mi5761+1195154+1005154+100239121442144
Finish(26.22 mi)1.02 mi5500+2614944+2104944+210132512381238

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7903

Males

6883

M45-49

6883

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8116

Males

7039

M45-49

7039

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7903

Males

6883

M45-49

6883

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7483

Males

6541

M45-49

6541

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7444

Males

6534

M45-49

6534

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6472

Males

5747

M45-49

5747

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5493

Males

4933

M45-49

4933

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4888

Males

4403

M45-49

4403

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3803

Males

3466

M45-49

3466

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3727

Males

3374

M45-49

3374

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

4316

Males

3828

M45-49

3828

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

4108

Males

3625

M45-49

3625

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3189

Males

2862

M45-49

2862

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2391

Males

2144

M45-49

2144

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2story building
+22ft-21ft

Overall

1325

Males

1238

M45-49

1238

Passing Analysis

Category:
Passed
2799
Passed By
531
Net Change
+2268
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7768
5K → 10K134297-163#7768#7931
10K → 15K151127+24#7931#7907
15K → 20K19755+142#7907#7765
20K → Half3913+26#7765#7739
Half → 25K26112+249#7739#7490
25K → 30K4909+481#7490#7009
30K → 20M2664+262#7009#6747
20M → 21M2412+239#6747#6508
21M → 35K1373+134#6508#6374
35K → 23M1963+193#6374#6181
23M → 24M1535+148#6181#6033
24M → 40K1530+153#6033#5880
40K → 25.2M1201+119#5880#5761
25.2M → Finish2610+261#5761#5500
TOTALS2799531+2268

Passing Charts

Category:
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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