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BOSTON MARATHON 2025

Adrian Büchler

Bib: 31156•M

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

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
10:59/mi
34:07
↑ 97↓ 3451.5%
10K· 6.21 mi
10:50/mi
1:07:46
↑ 79↓ 1380.4%
15K· 9.32 mi
11:24/mi
1:43:12
↑ 67↓ 78
20K· 12.43 mi
11:40/mi
2:19:26
↑ 106↓ 860.1%
Half· 13.11 mi
11:20/mi
2:27:10
↑ 19↓ 370.5%
25K· 15.53 mi
11:58/mi
2:56:10
↑ 66↓ 880.2%
30K· 18.64 mi
12:31/mi
3:35:03
↑ 181↓ 1480.2%
20M
12:17/mi
3:51:45
↑ 64↓ 500.2%
21M
13:17/mi
4:05:02
↑ 106↓ 241.6%
35K· 21.75 mi
11:26/mi
4:13:35
↑ 17↓ 861.7%
23M
12:26/mi
4:29:09
↑ 23↓ 630.6%
24M
11:57/mi
4:41:06
↓ 821.3%
40K· 24.85 mi
12:09/mi
4:51:29
↓ 200.3%
25.2M
12:31/mi
4:55:48
↑ 13↓ 160.2%
Finish· 26.22 mi
10:38/mi
5:06:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:10
Pace11:14 /mi
2nd Half
Distance13.11 mi
Time2:39:28
Pace12:10 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:4634:0710:5934:07
10:59
-
10K
6.21 mi12:30:251:07:4610:5433:39
10:50
-0:09
15K
9.32 mi13:05:511:43:1211:0435:26
11:24
+0:34
20K
12.43 mi13:42:052:19:2611:1336:14
11:40
+0:16
Half
13.11 mi13:49:492:27:1011:147:44
11:20
-0:20
25K
15.53 mi14:18:492:56:1011:2029:00
11:58
+0:38
30K
18.64 mi14:57:423:35:0311:3238:53
12:31
+0:33
20M
20.00 mi15:14:243:51:4511:3516:42
12:17
-0:14
21M
21.00 mi15:27:414:05:0211:4013:17
13:17
+1:00
35K
21.75 mi15:36:144:13:3511:408:33
11:26
-1:51
23M
23.00 mi15:51:484:29:0911:4215:34
12:26
+1:00
24M
24.00 mi16:03:454:41:0611:4311:57
11:57
-0:29
40K
24.85 mi16:14:084:51:2911:4410:23
12:09
+0:12
25.2M
25.20 mi16:18:274:55:4811:444:19
12:31
+0:22
Finish
26.22 mi16:29:175:06:3811:4210:50
10:38
-1:53

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

10:38 /mi

Average Pace

11:42 /mi

Slowest Pace

13:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:19

42% of race

Time at Steady Pace

1:44:16

34% of race

Time at Slower Pace

1:12:03

23% of race

Average Pace: 11:42 /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 mi11:56:4634:0710:5934:07
10:59
#27552
10K
6.21 mi12:30:251:07:4610:5433:39
10:50
#27200
15K
9.32 mi13:05:511:43:1211:0435:26
11:24
#27168
20K
12.43 mi13:42:052:19:2611:1336:14
11:40
#27065
Half
13.11 mi13:49:492:27:1011:147:44
11:20
#27054
25K
15.53 mi14:18:492:56:1011:2029:00
11:58
#26954
30K
18.64 mi14:57:423:35:0311:3238:53
12:31
#26834
20M
20.00 mi15:14:243:51:4511:3516:42
12:17
#26759
21M
21.00 mi15:27:414:05:0211:4013:17
13:17
#26701
35K
21.75 mi15:36:144:13:3511:408:33
11:26
#26650
23M
23.00 mi15:51:484:29:0911:4215:34
12:26
#26609
24M
24.00 mi16:03:454:41:0611:4311:57
11:57
#26583
40K
24.85 mi16:14:084:51:2911:4410:23
12:09
#26559
25.2M
25.20 mi16:18:274:55:4811:444:19
12:31
#26531
Finish
26.22 mi16:29:175:06:3811:4210:50
10:38
#26483
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi27552158041580427142(Top 96%)15614(Top 97%)15614(Top 947%)
10K6.21 mi3.10 mi27200+35215655+14915655+14926826(Top 94%)15501(Top 96%)15501(Top 941%)
15K9.32 mi3.11 mi27168+3215649+615649+627142(Top 96%)15614(Top 97%)15614(Top 947%)
20K12.43 mi3.11 mi27065+10315590+5915590+5926805(Top 94%)15461(Top 96%)15461(Top 938%)
Half13.11 mi0.68 mi27054+1115580+1015580+1026902(Top 95%)15476(Top 96%)15476(Top 939%)
25K15.53 mi2.42 mi26954+10015532+4815532+4826395(Top 93%)15251(Top 95%)15251(Top 925%)
30K18.64 mi3.11 mi26834+12015464+6815464+6826187(Top 92%)15069(Top 94%)15069(Top 914%)
20M20.00 mi1.36 mi26759+7515424+4015424+4025659(Top 90%)14768(Top 92%)14768(Top 896%)
21M21.00 mi1.00 mi26701+5815396+2815396+2825420(Top 89%)14584(Top 91%)14584(Top 885%)
35K21.75 mi0.75 mi26650+5115361+3515361+3524995(Top 88%)14353(Top 89%)14353(Top 871%)
23M23.00 mi1.25 mi26609+4115329+3215329+3225717(Top 91%)14691(Top 91%)14691(Top 891%)
24M24.00 mi1.00 mi26583+2615309+2015309+2025618(Top 90%)14610(Top 91%)14610(Top 887%)
40K24.85 mi0.85 mi26559+2415298+1115298+1125152(Top 89%)14348(Top 89%)14348(Top 871%)
25.2M25.20 mi0.35 mi26531+2815288+1015288+1024244(Top 85%)13907(Top 86%)13907(Top 844%)
Finish26.22 mi1.02 mi26483+4815263+2515263+2524579(Top 87%)14075(Top 87%)14075(Top 854%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27142

Males

15614

M55-59

15614

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26826

Males

15501

M55-59

15501

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27142

Males

15614

M55-59

15614

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26805

Males

15461

M55-59

15461

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26902

Males

15476

M55-59

15476

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26395

Males

15251

M55-59

15251

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

26187

Males

15069

M55-59

15069

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25659

Males

14768

M55-59

14768

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25420

Males

14584

M55-59

14584

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24995

Males

14353

M55-59

14353

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25717

Males

14691

M55-59

14691

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25618

Males

14610

M55-59

14610

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25152

Males

14348

M55-59

14348

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24244

Males

13907

M55-59

13907

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24579

Males

14075

M55-59

14075

Passing Analysis

Category:
Athletes Passed
1370
Passed By
301
Net Change
+1069
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27552
5K → 10K3619+352#27552#27200
10K → 15K12492+32#27200#27168
15K → 20K15249+103#27168#27065
20K → Half2615+11#27065#27054
Half → 25K12020+100#27054#26954
25K → 30K15535+120#26954#26834
30K → 20M816+75#26834#26759
20M → 21M7113+58#26759#26701
21M → 35K587+51#26701#26650
35K → 23M6019+41#26650#26609
23M → 24M4115+26#26609#26583
24M → 40K3814+24#26583#26559
40K → 25.2M280+28#26559#26531
25.2M → Finish557+48#26531#26483
TOTALS1370301+1069
📊

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