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BOSTON MARATHON 2025

Matthew Fernwalt

Bib: 28620•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:41
Rank: #20382
Start → 5K
26:41 | 8:35/mi
10K· 6.21 mi
53:25
Rank: #20374 (+8)
5K → 10K
26:44 | 8:36/mi
15K· 9.32 mi
1:20:05
Rank: #20182 (+192)
10K → 15K
26:40 | 8:35/mi
20K· 12.43 mi
1:46:55
Rank: #19880 (+302)
15K → 20K
26:50 | 8:38/mi
Half· 13.11 mi
1:52:43
Rank: #19852 (+28)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:13:31
Rank: #19472 (+380)
Half → 25K
20:48 | 8:35/mi
30K· 18.64 mi
2:41:19
Rank: #19066 (+406)
25K → 30K
27:48 | 8:57/mi
20M
2:53:35
Rank: #18899 (+167)
30K → 20M
12:16 | 9:02/mi
21M
3:03:17
Rank: #18772 (+127)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
3:09:44
Rank: #18677 (+95)
21M → 35K
6:27 | 8:37/mi
23M
3:21:14
Rank: #18579 (+98)
35K → 23M
11:30 | 9:11/mi
24M
3:30:23
Rank: #18560 (+19)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:38:29
Rank: #18542 (+18)
24M → 40K
8:06 | 9:28/mi
25.2M
3:41:52
Rank: #18508 (+34)
40K → 25.2M
3:23 | 9:49/mi
Finish· 26.22 mi
3:51:01
Rank: #18546 (-38)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:43
Pace8:36 /mi
2nd Half
Distance13.11 mi
Time1:58:18
Pace9:01 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0726:418:3526:41
8:35
-
10K
6.21 mi12:10:5153:258:3626:44
8:36
+0:01
15K
9.32 mi12:37:311:20:058:3626:40
8:35
-0:01
20K
12.43 mi13:04:211:46:558:3626:50
8:38
+0:03
Half
13.11 mi13:10:091:52:438:365:48
8:30
-0:08
25K
15.53 mi13:30:572:13:318:3620:48
8:35
+0:05
30K
18.64 mi13:58:452:41:198:3927:48
8:57
+0:22
20M
20.00 mi14:11:012:53:358:4112:16
9:02
+0:05
21M
21.00 mi14:20:433:03:178:449:42
9:42
+0:40
35K
21.75 mi14:27:103:09:448:436:27
8:37
-1:05
23M
23.00 mi14:38:403:21:148:4511:30
9:11
+0:34
24M
24.00 mi14:47:493:30:238:469:09
9:09
-0:02
40K
24.85 mi14:55:553:38:298:478:06
9:28
+0:19
25.2M
25.20 mi14:59:183:41:528:483:23
9:49
+0:21
Finish
26.22 mi15:08:273:51:018:499:09
8:59
-0:50

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

8:30 /mi

Average Pace

8:49 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:50

91% of race

Time at Steady Pace

21:11

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /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 mi11:44:0726:418:3526:41
8:35
#20382
10K
6.21 mi12:10:5153:258:3626:44
8:36
#20374
15K
9.32 mi12:37:311:20:058:3626:40
8:35
#20182
20K
12.43 mi13:04:211:46:558:3626:50
8:38
#19880
Half
13.11 mi13:10:091:52:438:365:48
8:30
#19852
25K
15.53 mi13:30:572:13:318:3620:48
8:35
#19472
30K
18.64 mi13:58:452:41:198:3927:48
8:57
#19066
20M
20.00 mi14:11:012:53:358:4112:16
9:02
#18899
21M
21.00 mi14:20:433:03:178:449:42
9:42
#18772
35K
21.75 mi14:27:103:09:448:436:27
8:37
#18677
23M
23.00 mi14:38:403:21:148:4511:30
9:11
#18579
24M
24.00 mi14:47:493:30:238:469:09
9:09
#18560
40K
24.85 mi14:55:553:38:298:478:06
9:28
#18542
25.2M
25.20 mi14:59:183:41:528:483:23
9:49
#18508
Finish
26.22 mi15:08:273:51:018:499:09
8:59
#18546
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20382125881258819814(Top 70%)12417(Top 77%)12417(Top 220%)
10K6.21 mi3.10 mi20374+812621-3312621-3320369(Top 72%)12636(Top 78%)12636(Top 224%)
15K9.32 mi3.11 mi20182+19212549+7212549+7219814(Top 70%)12417(Top 77%)12417(Top 220%)
20K12.43 mi3.11 mi19880+30212415+13412415+13419049(Top 67%)12050(Top 75%)12050(Top 214%)
Half13.11 mi0.68 mi19852+2812402+1312402+1319159(Top 67%)12107(Top 75%)12107(Top 215%)
25K15.53 mi2.42 mi19472+38012232+17012232+17017669(Top 62%)11392(Top 71%)11392(Top 202%)
30K18.64 mi3.11 mi19066+40612014+21812014+21817403(Top 61%)11107(Top 69%)11107(Top 197%)
20M20.00 mi1.36 mi18899+16711928+8611928+8616919(Top 60%)10784(Top 67%)10784(Top 191%)
21M21.00 mi1.00 mi18772+12711843+8511843+8517019(Top 60%)10709(Top 66%)10709(Top 190%)
35K21.75 mi0.75 mi18677+9511788+5511788+5516181(Top 57%)10264(Top 64%)10264(Top 182%)
23M23.00 mi1.25 mi18579+9811718+7011718+7017249(Top 61%)10628(Top 66%)10628(Top 188%)
24M24.00 mi1.00 mi18560+1911676+4211676+4218099(Top 64%)10967(Top 68%)10967(Top 194%)
40K24.85 mi0.85 mi18542+1811645+3111645+3118592(Top 65%)11119(Top 69%)11119(Top 197%)
25.2M25.20 mi0.35 mi18508+3411619+2611619+2616123(Top 57%)9948(Top 62%)9948(Top 176%)
Finish26.22 mi1.02 mi18546-3811618+111618+118912(Top 67%)11312(Top 70%)11312(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19814

Males

12417

M18-39

12417

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20369

Males

12636

M18-39

12636

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19814

Males

12417

M18-39

12417

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

19049

Males

12050

M18-39

12050

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19159

Males

12107

M18-39

12107

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17669

Males

11392

M18-39

11392

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17403

Males

11107

M18-39

11107

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16919

Males

10784

M18-39

10784

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17019

Males

10709

M18-39

10709

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

16181

Males

10264

M18-39

10264

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17249

Males

10628

M18-39

10628

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18099

Males

10967

M18-39

10967

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18592

Males

11119

M18-39

11119

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16123

Males

9948

M18-39

9948

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

18912

Males

11312

M18-39

11312

Passing Analysis

Category:
Athletes Passed
2715
Passed By
879
Net Change
+1836
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20382
5K → 10K294286+8#20382#20374
10K → 15K28492+192#20374#20182
15K → 20K35755+302#20182#19880
20K → Half4416+28#19880#19852
Half → 25K39414+380#19852#19472
25K → 30K45549+406#19472#19066
30K → 20M19124+167#19066#18899
20M → 21M17447+127#18899#18772
21M → 35K1027+95#18772#18677
35K → 23M15254+98#18677#18579
23M → 24M8364+19#18579#18560
24M → 40K8365+18#18560#18542
40K → 25.2M5016+34#18542#18508
25.2M → Finish5290-38#18508#18546
TOTALS2715879+1836
📊

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