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BOSTON MARATHON 2025

Shawn Macfarlane

Bib: 1240•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M40-44)
#0 / 2247
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:46
Rank: #1204
Start → 5K
18:46 | 6:02/mi
10K· 6.21 mi
38:14
Rank: #1645 (-441)
5K → 10K
19:28 | 6:16/mi
15K· 9.32 mi
57:31
Rank: #1712 (-67)
10K → 15K
19:17 | 6:12/mi
20K· 12.43 mi
1:17:16
Rank: #1837 (-125)
15K → 20K
19:45 | 6:21/mi
Half· 13.11 mi
1:21:34
Rank: #1875 (-38)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:37:44
Rank: #2137 (-262)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
1:59:17
Rank: #2436 (-299)
25K → 30K
21:33 | 6:56/mi
20M
2:08:52
Rank: #2526 (-90)
30K → 20M
9:35 | 7:03/mi
21M
2:16:07
Rank: #2559 (-33)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:21:05
Rank: #2571 (-12)
21M → 35K
4:58 | 6:38/mi
23M
2:29:32
Rank: #2522 (+49)
35K → 23M
8:27 | 6:45/mi
24M
2:35:53
Rank: #2436 (+86)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:41:24
Rank: #2370 (+66)
24M → 40K
5:31 | 6:27/mi
25.2M
2:43:46
Rank: #2329 (+41)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:49:51
Rank: #2247 (+82)
25.2M → Finish
6:05 | 5:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:34
Pace6:13 /mi
2nd Half
Distance13.11 mi
Time1:28:17
Pace6:44 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1418:466:0218:46
6:02
-
10K
6.21 mi10:38:4238:146:0919:28
6:16
+0:14
15K
9.32 mi10:57:5957:316:1019:17
6:12
-0:04
20K
12.43 mi11:17:441:17:166:1319:45
6:21
+0:09
Half
13.11 mi11:22:021:21:346:134:18
6:18
-0:03
25K
15.53 mi11:38:121:37:446:1716:10
6:40
+0:22
30K
18.64 mi11:59:451:59:176:2421:33
6:56
+0:16
20M
20.00 mi12:09:202:08:526:279:35
7:03
+0:07
21M
21.00 mi12:16:352:16:076:297:15
7:15
+0:12
35K
21.75 mi12:21:332:21:056:294:58
6:38
-0:37
23M
23.00 mi12:30:002:29:326:308:27
6:45
+0:07
24M
24.00 mi12:36:212:35:536:306:21
6:21
-0:24
40K
24.85 mi12:41:522:41:246:305:31
6:27
+0:06
25.2M
25.20 mi12:44:142:43:466:302:22
6:52
+0:25
Finish
26.22 mi12:50:192:49:516:296:05
5:58
-0:54

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

5:58 /mi

Average Pace

6:29 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:36

37% of race

Time at Steady Pace

35:55

21% of race

Time at Slower Pace

1:10:20

41% of race

Average Pace: 6:29 /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 mi10:19:1418:466:0218:46
6:02
#1204
10K
6.21 mi10:38:4238:146:0919:28
6:16
#1645
15K
9.32 mi10:57:5957:316:1019:17
6:12
#1712
20K
12.43 mi11:17:441:17:166:1319:45
6:21
#1837
Half
13.11 mi11:22:021:21:346:134:18
6:18
#1875
25K
15.53 mi11:38:121:37:446:1716:10
6:40
#2137
30K
18.64 mi11:59:451:59:176:2421:33
6:56
#2436
20M
20.00 mi12:09:202:08:526:279:35
7:03
#2526
21M
21.00 mi12:16:352:16:076:297:15
7:15
#2559
35K
21.75 mi12:21:332:21:056:294:58
6:38
#2571
23M
23.00 mi12:30:002:29:326:308:27
6:45
#2522
24M
24.00 mi12:36:212:35:536:306:21
6:21
#2436
40K
24.85 mi12:41:522:41:246:305:31
6:27
#2370
25.2M
25.20 mi12:44:142:43:466:302:22
6:52
#2329
Finish
26.22 mi12:50:192:49:516:296:05
5:58
#2247
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1204114011401897(Top 7%)1806(Top 11%)1806(Top 80%)
10K6.21 mi3.10 mi1645-4411566-4261566-4262203(Top 8%)2106(Top 13%)2106(Top 94%)
15K9.32 mi3.11 mi1712-671628-621628-621897(Top 7%)1806(Top 11%)1806(Top 80%)
20K12.43 mi3.11 mi1837-1251748-1201748-1202297(Top 8%)2190(Top 14%)2190(Top 97%)
Half13.11 mi0.68 mi1875-381786-381786-382498(Top 9%)2387(Top 15%)2387(Top 106%)
25K15.53 mi2.42 mi2137-2622038-2522038-2523890(Top 14%)3637(Top 23%)3637(Top 162%)
30K18.64 mi3.11 mi2436-2992324-2862324-2864296(Top 15%)3939(Top 24%)3939(Top 175%)
20M20.00 mi1.36 mi2526-902410-862410-864376(Top 15%)3982(Top 25%)3982(Top 177%)
21M21.00 mi1.00 mi2559-332440-302440-303337(Top 12%)3059(Top 19%)3059(Top 136%)
35K21.75 mi0.75 mi2571-122448-82448-83110(Top 11%)2852(Top 18%)2852(Top 127%)
23M23.00 mi1.25 mi2522+492400+482400+482450(Top 9%)2269(Top 14%)2269(Top 101%)
24M24.00 mi1.00 mi2436+862318+822318+821480(Top 5%)1384(Top 9%)1384(Top 62%)
40K24.85 mi0.85 mi2370+662252+662252+661440(Top 5%)1334(Top 8%)1334(Top 59%)
25.2M25.20 mi0.35 mi2329+412213+392213+391147(Top 4%)1057(Top 7%)1057(Top 47%)
Finish26.22 mi1.02 mi2247+822132+812132+81842(Top 3%)795(Top 5%)795(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1897

Males

1806

M40-44

1806

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2203

Males

2106

M40-44

2106

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1897

Males

1806

M40-44

1806

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2297

Males

2190

M40-44

2190

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2498

Males

2387

M40-44

2387

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3890

Males

3637

M40-44

3637

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4296

Males

3939

M40-44

3939

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4376

Males

3982

M40-44

3982

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3337

Males

3059

M40-44

3059

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3110

Males

2852

M40-44

2852

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2450

Males

2269

M40-44

2269

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1480

Males

1384

M40-44

1384

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1440

Males

1334

M40-44

1334

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1147

Males

1057

M40-44

1057

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

842

Males

795

M40-44

795

Passing Analysis

Category:
Athletes Passed
573
Passed By
1616
Net Change
-1043
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1204
5K → 10K5446-441#1204#1645
10K → 15K40107-67#1645#1712
15K → 20K30155-125#1712#1837
20K → Half139-38#1837#1875
Half → 25K15277-262#1875#2137
25K → 30K30329-299#2137#2436
30K → 20M22112-90#2436#2526
20M → 21M4073-33#2526#2559
21M → 35K2739-12#2559#2571
35K → 23M7122+49#2571#2522
23M → 24M904+86#2522#2436
24M → 40K726+66#2436#2370
40K → 25.2M432+41#2370#2329
25.2M → Finish875+82#2329#2247
TOTALS5731616-1043
📊

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