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BOSTON MARATHON 2025

Bryan Allf

Bib: 21867•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:44
Rank: #16279
Start → 5K
24:44 | 7:58/mi
10K· 6.21 mi
49:32
Rank: #16264 (+15)
5K → 10K
24:48 | 7:59/mi
15K· 9.32 mi
1:14:31
Rank: #16285 (-21)
10K → 15K
24:59 | 8:02/mi
20K· 12.43 mi
1:39:11
Rank: #15772 (+513)
15K → 20K
24:40 | 7:56/mi
Half· 13.11 mi
1:44:36
Rank: #15762 (+10)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:04:13
Rank: #15513 (+249)
Half → 25K
19:37 | 8:05/mi
30K· 18.64 mi
2:30:07
Rank: #15154 (+359)
25K → 30K
25:54 | 8:20/mi
20M
2:41:45
Rank: #15039 (+115)
30K → 20M
11:38 | 8:34/mi
21M
2:50:50
Rank: #14916 (+123)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
2:56:57
Rank: #14833 (+83)
21M → 35K
6:07 | 8:11/mi
23M
3:07:45
Rank: #14757 (+76)
35K → 23M
10:48 | 8:38/mi
24M
3:16:33
Rank: #14807 (-50)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:24:18
Rank: #14880 (-73)
24M → 40K
7:45 | 9:04/mi
25.2M
3:27:41
Rank: #14890 (-10)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:36:29
Rank: #14964 (-74)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:36
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:51:53
Pace8:32 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:3424:447:5824:44
7:58
-
10K
6.21 mi11:45:2249:327:5824:48
7:59
+0:01
15K
9.32 mi12:10:211:14:318:0024:59
8:02
+0:03
20K
12.43 mi12:35:011:39:117:5924:40
7:56
-0:06
Half
13.11 mi12:40:261:44:367:595:25
7:56
0:00
25K
15.53 mi13:00:032:04:138:0019:37
8:05
+0:09
30K
18.64 mi13:25:572:30:078:0325:54
8:20
+0:15
20M
20.00 mi13:37:352:41:458:0511:38
8:34
+0:14
21M
21.00 mi13:46:402:50:508:089:05
9:05
+0:31
35K
21.75 mi13:52:472:56:578:086:07
8:11
-0:54
23M
23.00 mi14:03:353:07:458:1010:48
8:38
+0:27
24M
24.00 mi14:12:233:16:338:118:48
8:48
+0:10
40K
24.85 mi14:20:083:24:188:137:45
9:04
+0:16
25.2M
25.20 mi14:23:313:27:418:143:23
9:49
+0:45
Finish
26.22 mi14:32:193:36:298:168:48
8:38
-1:11

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

7:56 /mi

Average Pace

8:16 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:36

48% of race

Time at Steady Pace

1:03:16

29% of race

Time at Slower Pace

48:37

22% of race

Average Pace: 8:15 /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 mi11:20:3424:447:5824:44
7:58
#16279
10K
6.21 mi11:45:2249:327:5824:48
7:59
#16264
15K
9.32 mi12:10:211:14:318:0024:59
8:02
#16285
20K
12.43 mi12:35:011:39:117:5924:40
7:56
#15772
Half
13.11 mi12:40:261:44:367:595:25
7:56
#15762
25K
15.53 mi13:00:032:04:138:0019:37
8:05
#15513
30K
18.64 mi13:25:572:30:078:0325:54
8:20
#15154
20M
20.00 mi13:37:352:41:458:0511:38
8:34
#15039
21M
21.00 mi13:46:402:50:508:089:05
9:05
#14916
35K
21.75 mi13:52:472:56:578:086:07
8:11
#14833
23M
23.00 mi14:03:353:07:458:1010:48
8:38
#14757
24M
24.00 mi14:12:233:16:338:118:48
8:48
#14807
40K
24.85 mi14:20:083:24:188:137:45
9:04
#14880
25.2M
25.20 mi14:23:313:27:418:143:23
9:49
#14890
Finish
26.22 mi14:32:193:36:298:168:48
8:38
#14964
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi16279109131091316347(Top 58%)10954(Top 68%)10954(Top 1714%)
10K6.21 mi3.10 mi16264+1510910+310910+316328(Top 57%)10957(Top 68%)10957(Top 1715%)
15K9.32 mi3.11 mi16285-2110933-2310933-2316347(Top 58%)10954(Top 68%)10954(Top 1714%)
20K12.43 mi3.11 mi15772+51310699+23410699+23414436(Top 51%)10061(Top 62%)10061(Top 1574%)
Half13.11 mi0.68 mi15762+1010698+110698+115355(Top 54%)10492(Top 65%)10492(Top 1642%)
25K15.53 mi2.42 mi15513+24910570+12810570+12814569(Top 51%)10009(Top 62%)10009(Top 1566%)
30K18.64 mi3.11 mi15154+35910358+21210358+21213723(Top 48%)9477(Top 59%)9477(Top 1483%)
20M20.00 mi1.36 mi15039+11510268+9010268+9014159(Top 50%)9530(Top 59%)9530(Top 1491%)
21M21.00 mi1.00 mi14916+12310198+7010198+7013980(Top 49%)9321(Top 58%)9321(Top 1459%)
35K21.75 mi0.75 mi14833+8310149+4910149+4913439(Top 47%)9015(Top 56%)9015(Top 1411%)
23M23.00 mi1.25 mi14757+7610082+6710082+6714077(Top 50%)9208(Top 57%)9208(Top 1441%)
24M24.00 mi1.00 mi14807-5010076+610076+616296(Top 57%)10154(Top 63%)10154(Top 1589%)
40K24.85 mi0.85 mi14880-7310074+210074+216655(Top 59%)10207(Top 63%)10207(Top 1597%)
25.2M25.20 mi0.35 mi14890-1010069+510069+516085(Top 57%)9910(Top 62%)9910(Top 1551%)
Finish26.22 mi1.02 mi14964-7410071-210071-217040(Top 60%)10405(Top 65%)10405(Top 1628%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

16347

Males

10954

M65-69

10954

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

16328

Males

10957

M65-69

10957

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

16347

Males

10954

M65-69

10954

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14436

Males

10061

M65-69

10061

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15355

Males

10492

M65-69

10492

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

14569

Males

10009

M65-69

10009

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13723

Males

9477

M65-69

9477

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14159

Males

9530

M65-69

9530

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13980

Males

9321

M65-69

9321

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13439

Males

9015

M65-69

9015

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14077

Males

9208

M65-69

9208

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16296

Males

10154

M65-69

10154

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16655

Males

10207

M65-69

10207

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16085

Males

9910

M65-69

9910

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

17040

Males

10405

M65-69

10405

Passing Analysis

Category:
Athletes Passed
2592
Passed By
1277
Net Change
+1315
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16279
5K → 10K297282+15#16279#16264
10K → 15K206227-21#16264#16285
15K → 20K52916+513#16285#15772
20K → Half3525+10#15772#15762
Half → 25K30253+249#15762#15513
25K → 30K42869+359#15513#15154
30K → 20M17560+115#15154#15039
20M → 21M17754+123#15039#14916
21M → 35K10017+83#14916#14833
35K → 23M15074+76#14833#14757
23M → 24M60110-50#14757#14807
24M → 40K51124-73#14807#14880
40K → 25.2M3343-10#14880#14890
25.2M → Finish49123-74#14890#14964
TOTALS25921277+1315
📊

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