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BOSTON MARATHON 2025

Dave Westfall

Bib: 17903•M

WA

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
7:41/mi
23:52
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:13:24
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:39:49
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:45:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:07:16
↑ 66↓ 880.2%
30K· 18.64 mi
9:40/mi
2:37:19
↑ 181↓ 1480.2%
20M
10:20/mi
2:51:22
↑ 64↓ 500.2%
21M
11:15/mi
3:02:37
↑ 106↓ 241.6%
35K· 21.75 mi
10:07/mi
3:10:11
↑ 17↓ 861.7%
23M
10:41/mi
3:23:33
↑ 23↓ 630.6%
24M
10:34/mi
3:34:07
↓ 821.3%
40K· 24.85 mi
10:37/mi
3:43:12
↓ 200.3%
25.2M
12:02/mi
3:47:21
↑ 13↓ 160.2%
Finish· 26.22 mi
10:38/mi
3:58:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:38
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:12:33
Pace10:07 /mi
📊Positive Split: 25.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:1423:527:4123:52
7:41
-
10K
6.21 mi11:38:3048:087:4524:16
7:49
+0:08
15K
9.32 mi12:03:461:13:247:5325:16
8:08
+0:19
20K
12.43 mi12:30:111:39:498:0226:25
8:30
+0:22
Half
13.11 mi12:36:001:45:388:035:49
8:32
+0:02
25K
15.53 mi12:57:382:07:168:1221:38
8:55
+0:23
30K
18.64 mi13:27:412:37:198:2630:03
9:40
+0:45
20M
20.00 mi13:41:442:51:228:3414:03
10:20
+0:40
21M
21.00 mi13:52:593:02:378:4211:15
11:15
+0:55
35K
21.75 mi14:00:333:10:118:457:34
10:07
-1:08
23M
23.00 mi14:13:553:23:338:5113:22
10:41
+0:34
24M
24.00 mi14:24:293:34:078:5510:34
10:34
-0:07
40K
24.85 mi14:33:343:43:128:599:05
10:37
+0:03
25.2M
25.20 mi14:37:433:47:219:014:09
12:02
+1:25
Finish
26.22 mi14:48:333:58:119:0510:50
10:38
-1:24

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

7:41 /mi

Average Pace

9:05 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:16

53% of race

Time at Steady Pace

1:35:31

40% of race

Time at Slower Pace

15:24

6% of race

Average Pace: 9:05 /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 mi11:14:1423:527:4123:52
7:41
#13806
10K
6.21 mi11:38:3048:087:4524:16
7:49
#14295
15K
9.32 mi12:03:461:13:247:5325:16
8:08
#15288
20K
12.43 mi12:30:111:39:498:0226:25
8:30
#16187
Half
13.11 mi12:36:001:45:388:035:49
8:32
#16366
25K
15.53 mi12:57:382:07:168:1221:38
8:55
#16907
30K
18.64 mi13:27:412:37:198:2630:03
9:40
#17727
20M
20.00 mi13:41:442:51:228:3414:03
10:20
#18209
21M
21.00 mi13:52:593:02:378:4211:15
11:15
#18594
35K
21.75 mi14:00:333:10:118:457:34
10:07
#18804
23M
23.00 mi14:13:553:23:338:5113:22
10:41
#19150
24M
24.00 mi14:24:293:34:078:5510:34
10:34
#19411
40K
24.85 mi14:33:343:43:128:599:05
10:37
#19567
25.2M
25.20 mi14:37:433:47:219:014:09
12:02
#19680
Finish
26.22 mi14:48:333:58:119:0510:50
10:38
#19973
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi138069992999216958(Top 60%)11202(Top 70%)11202(Top 680%)
10K6.21 mi3.10 mi14295-48910140-14810140-14814914(Top 53%)10397(Top 65%)10397(Top 631%)
15K9.32 mi3.11 mi15288-99310519-37910519-37916958(Top 60%)11202(Top 70%)11202(Top 680%)
20K12.43 mi3.11 mi16187-89910873-35410873-35418257(Top 64%)11730(Top 73%)11730(Top 712%)
Half13.11 mi0.68 mi16366-17910956-8310956-8319337(Top 68%)12191(Top 76%)12191(Top 740%)
25K15.53 mi2.42 mi16907-54111148-19211148-19219520(Top 69%)12195(Top 76%)12195(Top 740%)
30K18.64 mi3.11 mi17727-82011431-28311431-28320604(Top 73%)12558(Top 78%)12558(Top 762%)
20M20.00 mi1.36 mi18209-48211624-19311624-19321964(Top 77%)13033(Top 81%)13033(Top 791%)
21M21.00 mi1.00 mi18594-38511770-14611770-14622024(Top 78%)12986(Top 81%)12986(Top 788%)
35K21.75 mi0.75 mi18804-21011842-7211842-7222201(Top 78%)13005(Top 81%)13005(Top 789%)
23M23.00 mi1.25 mi19150-34611968-12611968-12622461(Top 79%)13084(Top 81%)13084(Top 794%)
24M24.00 mi1.00 mi19411-26112044-7612044-7622984(Top 81%)13295(Top 83%)13295(Top 807%)
40K24.85 mi0.85 mi19567-15612093-4912093-4922239(Top 78%)12849(Top 80%)12849(Top 780%)
25.2M25.20 mi0.35 mi19680-11312131-3812131-3823274(Top 82%)13408(Top 83%)13408(Top 814%)
Finish26.22 mi1.02 mi19973-29312254-12312254-12324568(Top 86%)14064(Top 87%)14064(Top 853%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16958

Males

11202

M55-59

11202

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14914

Males

10397

M55-59

10397

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16958

Males

11202

M55-59

11202

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18257

Males

11730

M55-59

11730

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19337

Males

12191

M55-59

12191

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19520

Males

12195

M55-59

12195

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

20604

Males

12558

M55-59

12558

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21964

Males

13033

M55-59

13033

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

22024

Males

12986

M55-59

12986

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22201

Males

13005

M55-59

13005

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

22461

Males

13084

M55-59

13084

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

22984

Males

13295

M55-59

13295

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22239

Males

12849

M55-59

12849

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23274

Males

13408

M55-59

13408

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24568

Males

14064

M55-59

14064

Passing Analysis

Category:
Athletes Passed
503
Passed By
6670
Net Change
-6167
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13806
5K → 10K126615-489#13806#14295
10K → 15K381031-993#14295#15288
15K → 20K55954-899#15288#16187
20K → Half5184-179#16187#16366
Half → 25K46587-541#16366#16907
25K → 30K57877-820#16907#17727
30K → 20M39521-482#17727#18209
20M → 21M26411-385#18209#18594
21M → 35K18228-210#18594#18804
35K → 23M24370-346#18804#19150
23M → 24M23284-261#19150#19411
24M → 40K26182-156#19411#19567
40K → 25.2M10123-113#19567#19680
25.2M → Finish10303-293#19680#19973
TOTALS5036670-6167
📊

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