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BOSTON MARATHON 2025

John Archibald

Bib: 29812•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
7:56/mi
24:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:11
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:38:58
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:44:19
↑ 19↓ 370.5%
25K· 15.53 mi
8:37/mi
2:05:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:40/mi
2:32:08
↑ 181↓ 1480.2%
20M
9:34/mi
2:45:08
↑ 64↓ 500.2%
21M
11:12/mi
2:56:20
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:03:37
↑ 17↓ 861.7%
23M
10:14/mi
3:16:26
↑ 23↓ 630.6%
24M
11:35/mi
3:28:01
↓ 821.3%
40K· 24.85 mi
12:09/mi
3:38:24
↓ 200.3%
25.2M
13:23/mi
3:43:01
↑ 13↓ 160.2%
Finish· 26.22 mi
12:17/mi
3:55:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:19
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time2:11:13
Pace10:01 /mi
📊Positive Split: 25.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:1624:407:5624:40
7:56
-
10K
6.21 mi12:12:0049:247:5724:44
7:58
+0:02
15K
9.32 mi12:36:471:14:117:5824:47
7:59
+0:01
20K
12.43 mi13:01:341:38:587:5824:47
7:59
0:00
Half
13.11 mi13:06:551:44:197:575:21
7:50
-0:09
25K
15.53 mi13:27:492:05:138:0420:54
8:37
+0:47
30K
18.64 mi13:54:442:32:088:1026:55
8:40
+0:03
20M
20.00 mi14:07:442:45:088:1513:00
9:34
+0:54
21M
21.00 mi14:18:562:56:208:2411:12
11:12
+1:38
35K
21.75 mi14:26:133:03:378:277:17
9:44
-1:28
23M
23.00 mi14:39:023:16:268:3212:49
10:14
+0:30
24M
24.00 mi14:50:373:28:018:4011:35
11:35
+1:21
40K
24.85 mi15:01:003:38:248:4710:23
12:09
+0:34
25.2M
25.20 mi15:05:373:43:018:514:37
13:23
+1:14
Finish
26.22 mi15:18:083:55:328:5912:31
12:17
-1:06

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

7:50 /mi

Average Pace

8:59 /mi

Slowest Pace

13:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:13

53% of race

Time at Steady Pace

1:00:01

25% of race

Time at Slower Pace

50:18

21% of race

Average Pace: 8:59 /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 mi11:47:1624:407:5624:40
7:56
#16092
10K
6.21 mi12:12:0049:247:5724:44
7:58
#16102
15K
9.32 mi12:36:471:14:117:5824:47
7:59
#15998
20K
12.43 mi13:01:341:38:587:5824:47
7:59
#15670
Half
13.11 mi13:06:551:44:197:575:21
7:50
#15606
25K
15.53 mi13:27:492:05:138:0420:54
8:37
#16030
30K
18.64 mi13:54:442:32:088:1026:55
8:40
#15949
20M
20.00 mi14:07:442:45:088:1513:00
9:34
#16237
21M
21.00 mi14:18:562:56:208:2411:12
11:12
#16686
35K
21.75 mi14:26:133:03:378:277:17
9:44
#16883
23M
23.00 mi14:39:023:16:268:3212:49
10:14
#17287
24M
24.00 mi14:50:373:28:018:4011:35
11:35
#17939
40K
24.85 mi15:01:003:38:248:4710:23
12:09
#18524
25.2M
25.20 mi15:05:373:43:018:514:37
13:23
#18783
Finish
26.22 mi15:18:083:55:328:5912:31
12:17
#19452
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi16092108471084715859(Top 56%)10742(Top 67%)10742(Top 538%)
10K6.21 mi3.10 mi16102-1010851-410851-416156(Top 57%)10898(Top 68%)10898(Top 546%)
15K9.32 mi3.11 mi15998+10410807+4410807+4415859(Top 56%)10742(Top 67%)10742(Top 538%)
20K12.43 mi3.11 mi15670+32810659+14810659+14814748(Top 52%)10205(Top 63%)10205(Top 511%)
Half13.11 mi0.68 mi15606+6410625+3410625+3414604(Top 51%)10185(Top 63%)10185(Top 510%)
25K15.53 mi2.42 mi16030-42410804-17910804-17917919(Top 63%)11489(Top 71%)11489(Top 576%)
30K18.64 mi3.11 mi15949+8110711+9310711+9315789(Top 56%)10415(Top 65%)10415(Top 522%)
20M20.00 mi1.36 mi16237-28810789-7810789-7819458(Top 69%)11906(Top 74%)11906(Top 596%)
21M21.00 mi1.00 mi16686-44910946-15710946-15721894(Top 77%)12923(Top 80%)12923(Top 647%)
35K21.75 mi0.75 mi16883-19711012-6611012-6621100(Top 74%)12488(Top 78%)12488(Top 626%)
23M23.00 mi1.25 mi17287-40411133-12111133-12121234(Top 75%)12505(Top 78%)12505(Top 627%)
24M24.00 mi1.00 mi17939-65211398-26511398-26525025(Top 88%)14315(Top 89%)14315(Top 717%)
40K24.85 mi0.85 mi18524-58511637-23911637-23925138(Top 89%)14334(Top 89%)14334(Top 718%)
25.2M25.20 mi0.35 mi18783-25911740-10311740-10325519(Top 90%)14489(Top 90%)14489(Top 726%)
Finish26.22 mi1.02 mi19452-66912014-27412014-27427095(Top 95%)15352(Top 95%)15352(Top 769%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15859

Males

10742

M50-54

10742

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

16156

Males

10898

M50-54

10898

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15859

Males

10742

M50-54

10742

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14748

Males

10205

M50-54

10205

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

14604

Males

10185

M50-54

10185

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17919

Males

11489

M50-54

11489

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15789

Males

10415

M50-54

10415

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19458

Males

11906

M50-54

11906

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21894

Males

12923

M50-54

12923

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

21100

Males

12488

M50-54

12488

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21234

Males

12505

M50-54

12505

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

25025

Males

14315

M50-54

14315

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25138

Males

14334

M50-54

14334

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25519

Males

14489

M50-54

14489

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

27095

Males

15352

M50-54

15352

Passing Analysis

Category:
Athletes Passed
1533
Passed By
4893
Net Change
-3360
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16092
5K → 10K298308-10#16092#16102
10K → 15K264160+104#16102#15998
15K → 20K38456+328#15998#15670
20K → Half728+64#15670#15606
Half → 25K79503-424#15606#16030
25K → 30K264183+81#16030#15949
30K → 20M52340-288#15949#16237
20M → 21M25474-449#16237#16686
21M → 35K23220-197#16686#16883
35K → 23M46450-404#16883#17287
23M → 24M13665-652#17287#17939
24M → 40K8593-585#17939#18524
40K → 25.2M3262-259#18524#18783
25.2M → Finish2671-669#18783#19452
TOTALS15334893-3360
📊

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