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BOSTON MARATHON 2025

Brian Harrifeld

Bib: 16893•M

NE

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
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
9:24/mi
29:13
↑ 97↓ 3451.5%
10K· 6.21 mi
9:47/mi
59:38
↑ 79↓ 1380.4%
15K· 9.32 mi
9:49/mi
1:30:09
↑ 67↓ 78
20K· 12.43 mi
10:18/mi
2:02:08
↑ 106↓ 860.1%
Half· 13.11 mi
9:59/mi
2:08:57
↑ 19↓ 370.5%
25K· 15.53 mi
10:21/mi
2:34:03
↑ 66↓ 880.2%
30K· 18.64 mi
10:42/mi
3:07:18
↑ 181↓ 1480.2%
20M
10:36/mi
3:21:42
↑ 64↓ 500.2%
21M
10:42/mi
3:32:24
↑ 106↓ 241.6%
35K· 21.75 mi
9:49/mi
3:39:45
↑ 17↓ 861.7%
23M
10:17/mi
3:52:37
↑ 23↓ 630.6%
24M
9:44/mi
4:02:21
↓ 821.3%
40K· 24.85 mi
10:06/mi
4:10:59
↓ 200.3%
25.2M
10:55/mi
4:14:45
↑ 13↓ 160.2%
Finish· 26.22 mi
9:01/mi
4:23:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:57
Pace9:50 /mi
2nd Half
Distance13.11 mi
Time2:14:59
Pace10:18 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:0529:139:2429:13
9:24
-
10K
6.21 mi11:34:3059:389:3630:25
9:47
+0:23
15K
9.32 mi12:05:011:30:099:4030:31
9:49
+0:02
20K
12.43 mi12:37:002:02:089:5031:59
10:18
+0:29
Half
13.11 mi12:43:492:08:579:506:49
9:59
-0:19
25K
15.53 mi13:08:552:34:039:5525:06
10:21
+0:22
30K
18.64 mi13:42:103:07:1810:0333:15
10:42
+0:21
20M
20.00 mi13:56:343:21:4210:0514:24
10:36
-0:06
21M
21.00 mi14:07:163:32:2410:0710:42
10:42
+0:06
35K
21.75 mi14:14:373:39:4510:067:21
9:49
-0:53
23M
23.00 mi14:27:293:52:3710:0712:52
10:17
+0:28
24M
24.00 mi14:37:134:02:2110:069:44
9:44
-0:33
40K
24.85 mi14:45:514:10:5910:068:38
10:06
+0:22
25.2M
25.20 mi14:49:374:14:4510:073:46
10:55
+0:49
Finish
26.22 mi14:58:484:23:5610:049:11
9:01
-1:54

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

9:01 /mi

Average Pace

10:04 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:25

44% of race

Time at Steady Pace

1:25:24

32% of race

Time at Slower Pace

1:02:07

24% of race

Average Pace: 10:04 /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 mi11:04:0529:139:2429:13
9:24
#23929
10K
6.21 mi11:34:3059:389:3630:25
9:47
#24445
15K
9.32 mi12:05:011:30:099:4030:31
9:49
#24504
20K
12.43 mi12:37:002:02:089:5031:59
10:18
#24596
Half
13.11 mi12:43:492:08:579:506:49
9:59
#24611
25K
15.53 mi13:08:552:34:039:5525:06
10:21
#24531
30K
18.64 mi13:42:103:07:1810:0333:15
10:42
#24340
20M
20.00 mi13:56:343:21:4210:0514:24
10:36
#24214
21M
21.00 mi14:07:163:32:2410:0710:42
10:42
#24035
35K
21.75 mi14:14:373:39:4510:067:21
9:49
#23939
23M
23.00 mi14:27:293:52:3710:0712:52
10:17
#23788
24M
24.00 mi14:37:134:02:2110:069:44
9:44
#23665
40K
24.85 mi14:45:514:10:5910:068:38
10:06
#23573
25.2M
25.20 mi14:49:374:14:4510:073:46
10:55
#23518
Finish
26.22 mi14:58:484:23:5610:049:11
9:01
#23379
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi23929142031420324592(Top 87%)14525(Top 90%)14525(Top 2273%)
10K6.21 mi3.10 mi24445-51614461-25814461-25824829(Top 87%)14623(Top 91%)14623(Top 2288%)
15K9.32 mi3.11 mi24504-5914483-2214483-2224592(Top 87%)14525(Top 90%)14525(Top 2273%)
20K12.43 mi3.11 mi24596-9214512-2914512-2924815(Top 87%)14591(Top 91%)14591(Top 2283%)
Half13.11 mi0.68 mi24611-1514518-614518-624801(Top 87%)14571(Top 90%)14571(Top 2280%)
25K15.53 mi2.42 mi24531+8014472+4614472+4624070(Top 85%)14225(Top 88%)14225(Top 2226%)
30K18.64 mi3.11 mi24340+19114364+10814364+10823401(Top 82%)13790(Top 86%)13790(Top 2158%)
20M20.00 mi1.36 mi24214+12614284+8014284+8022685(Top 80%)13385(Top 83%)13385(Top 2095%)
21M21.00 mi1.00 mi24035+17914186+9814186+9820598(Top 73%)12304(Top 76%)12304(Top 1926%)
35K21.75 mi0.75 mi23939+9614127+5914127+5921394(Top 75%)12627(Top 78%)12627(Top 1976%)
23M23.00 mi1.25 mi23788+15114040+8714040+8721352(Top 75%)12577(Top 78%)12577(Top 1968%)
24M24.00 mi1.00 mi23665+12313969+7113969+7120502(Top 72%)12104(Top 75%)12104(Top 1894%)
40K24.85 mi0.85 mi23573+9213907+6213907+6220774(Top 73%)12176(Top 76%)12176(Top 1905%)
25.2M25.20 mi0.35 mi23518+5513874+3313874+3320390(Top 72%)11990(Top 74%)11990(Top 1876%)
Finish26.22 mi1.02 mi23379+13913800+7413800+7419115(Top 67%)11400(Top 71%)11400(Top 1784%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

24592

Males

14525

M65-69

14525

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24829

Males

14623

M65-69

14623

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

24592

Males

14525

M65-69

14525

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24815

Males

14591

M65-69

14591

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24801

Males

14571

M65-69

14571

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

24070

Males

14225

M65-69

14225

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23401

Males

13790

M65-69

13790

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22685

Males

13385

M65-69

13385

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

20598

Males

12304

M65-69

12304

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21394

Males

12627

M65-69

12627

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21352

Males

12577

M65-69

12577

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20502

Males

12104

M65-69

12104

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20774

Males

12176

M65-69

12176

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20390

Males

11990

M65-69

11990

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

19115

Males

11400

M65-69

11400

Passing Analysis

Category:
Athletes Passed
1712
Passed By
1162
Net Change
+550
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23929
5K → 10K71587-516#23929#24445
10K → 15K119178-59#24445#24504
15K → 20K111203-92#24504#24596
20K → Half2136-15#24596#24611
Half → 25K14262+80#24611#24531
25K → 30K23544+191#24531#24340
30K → 20M14317+126#24340#24214
20M → 21M1845+179#24214#24035
21M → 35K1026+96#24035#23939
35K → 23M1576+151#23939#23788
23M → 24M1241+123#23788#23665
24M → 40K10412+92#23665#23573
40K → 25.2M583+55#23573#23518
25.2M → Finish1412+139#23518#23379
TOTALS17121162+550
📊

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