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BOSTON MARATHON 2025

James Buchanan

Bib: 8988•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:58/mi
21:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:57/mi
43:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:57/mi
1:04:53
↑ 67↓ 78
20K· 12.43 mi
6:56/mi
1:26:26
↑ 106↓ 860.1%
Half· 13.11 mi
6:46/mi
1:31:03
↑ 19↓ 370.5%
25K· 15.53 mi
6:59/mi
1:47:58
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:11:43
↑ 181↓ 1480.2%
20M
7:36/mi
2:22:03
↑ 64↓ 500.2%
21M
10:16/mi
2:32:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:37:43
↑ 17↓ 861.7%
23M
8:38/mi
2:48:31
↑ 23↓ 630.6%
24M
8:10/mi
2:56:41
↓ 821.3%
40K· 24.85 mi
8:33/mi
3:04:00
↓ 200.3%
25.2M
9:46/mi
3:07:22
↑ 13↓ 160.2%
Finish· 26.22 mi
8:51/mi
3:16:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:03
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:2121:406:5821:40
6:58
-
10K
6.21 mi11:08:5843:176:5821:37
6:57
-0:01
15K
9.32 mi11:30:341:04:536:5821:36
6:57
0:00
20K
12.43 mi11:52:071:26:266:5721:33
6:56
-0:01
Half
13.11 mi11:56:441:31:036:574:37
6:46
-0:10
25K
15.53 mi12:13:391:47:586:5716:55
6:59
+0:13
30K
18.64 mi12:37:242:11:437:0423:45
7:39
+0:40
20M
20.00 mi12:47:442:22:037:0610:20
7:36
-0:03
21M
21.00 mi12:58:002:32:197:1510:16
10:16
+2:40
35K
21.75 mi13:03:242:37:437:155:24
7:13
-3:03
23M
23.00 mi13:14:122:48:317:2010:48
8:38
+1:25
24M
24.00 mi13:22:222:56:417:228:10
8:10
-0:28
40K
24.85 mi13:29:413:04:007:247:19
8:33
+0:23
25.2M
25.20 mi13:33:033:07:227:263:22
9:46
+1:13
Finish
26.22 mi13:42:043:16:237:309:01
8:51
-0:55

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

6:46 /mi

Average Pace

7:30 /mi

Slowest Pace

10:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:58

55% of race

Time at Steady Pace

39:29

20% of race

Time at Slower Pace

48:56

25% of race

Average Pace: 7:29 /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 mi10:47:2121:406:5821:40
6:58
#7607
10K
6.21 mi11:08:5843:176:5821:37
6:57
#7630
15K
9.32 mi11:30:341:04:536:5821:36
6:57
#7507
20K
12.43 mi11:52:071:26:266:5721:33
6:56
#7209
Half
13.11 mi11:56:441:31:036:574:37
6:46
#7152
25K
15.53 mi12:13:391:47:586:5716:55
6:59
#6930
30K
18.64 mi12:37:242:11:437:0423:45
7:39
#7123
20M
20.00 mi12:47:442:22:037:0610:20
7:36
#7088
21M
21.00 mi12:58:002:32:197:1510:16
10:16
#7770
35K
21.75 mi13:03:242:37:437:155:24
7:13
#7692
23M
23.00 mi13:14:122:48:317:2010:48
8:38
#8034
24M
24.00 mi13:22:222:56:417:228:10
8:10
#8198
40K
24.85 mi13:29:413:04:007:247:19
8:33
#8390
25.2M
25.20 mi13:33:033:07:227:263:22
9:46
#8526
Finish
26.22 mi13:42:043:16:237:309:01
8:51
#8985
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi7607674367437321(Top 26%)6492(Top 40%)6492(Top 289%)
10K6.21 mi3.10 mi7630-236746-36746-37644(Top 27%)6743(Top 42%)6743(Top 300%)
15K9.32 mi3.11 mi7507+1236648+986648+987321(Top 26%)6492(Top 40%)6492(Top 289%)
20K12.43 mi3.11 mi7209+2986425+2236425+2236484(Top 23%)5815(Top 36%)5815(Top 259%)
Half13.11 mi0.68 mi7152+576382+436382+435887(Top 21%)5374(Top 33%)5374(Top 239%)
25K15.53 mi2.42 mi6930+2226205+1776205+1776184(Top 22%)5534(Top 34%)5534(Top 246%)
30K18.64 mi3.11 mi7123-1936300-956300-958783(Top 31%)7024(Top 44%)7024(Top 313%)
20M20.00 mi1.36 mi7088+356244+566244+567714(Top 27%)6270(Top 39%)6270(Top 279%)
21M21.00 mi1.00 mi7770-6826664-4206664-42019225(Top 68%)11715(Top 73%)11715(Top 521%)
35K21.75 mi0.75 mi7692+786592+726592+726737(Top 24%)5556(Top 34%)5556(Top 247%)
23M23.00 mi1.25 mi8034-3426760-1686760-16814057(Top 49%)9188(Top 57%)9188(Top 409%)
24M24.00 mi1.00 mi8198-1646830-706830-7012306(Top 43%)8314(Top 52%)8314(Top 370%)
40K24.85 mi0.85 mi8390-1926915-856915-8513742(Top 48%)8867(Top 55%)8867(Top 395%)
25.2M25.20 mi0.35 mi8526-1366973-586973-5815828(Top 56%)9765(Top 61%)9765(Top 435%)
Finish26.22 mi1.02 mi8985-4597203-2307203-23018251(Top 64%)10984(Top 68%)10984(Top 489%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7321

Males

6492

M40-44

6492

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7644

Males

6743

M40-44

6743

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7321

Males

6492

M40-44

6492

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6484

Males

5815

M40-44

5815

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5887

Males

5374

M40-44

5374

Half→25K

13.1 - 15.5 mi

Top 22%
×4story building
+66ft-88ft

Overall

6184

Males

5534

M40-44

5534

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8783

Males

7024

M40-44

7024

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7714

Males

6270

M40-44

6270

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19225

Males

11715

M40-44

11715

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6737

Males

5556

M40-44

5556

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

14057

Males

9188

M40-44

9188

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12306

Males

8314

M40-44

8314

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

13742

Males

8867

M40-44

8867

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15828

Males

9765

M40-44

9765

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18251

Males

10984

M40-44

10984

Passing Analysis

Category:
Athletes Passed
1465
Passed By
2843
Net Change
-1378
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7607
5K → 10K189212-23#7607#7630
10K → 15K19471+123#7630#7507
15K → 20K31214+298#7507#7209
20K → Half603+57#7209#7152
Half → 25K23816+222#7152#6930
25K → 30K127320-193#6930#7123
30K → 20M11176+35#7123#7088
20M → 21M6688-682#7088#7770
21M → 35K9517+78#7770#7692
35K → 23M41383-342#7692#8034
23M → 24M39203-164#8034#8198
24M → 40K35227-192#8198#8390
40K → 25.2M13149-136#8390#8526
25.2M → Finish5464-459#8526#8985
TOTALS14652843-1378
📊

Passing Visuals

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