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BOSTON MARATHON 2025

Louis Donofrio

Bib: 10908•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Masters (Masters Men)
#0 / 10463
Top 20%
Division (M45-49)
#0 / 2386
Top 27%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #5490
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
41:57
Rank: #5835 (-345)
5K → 10K
21:07 | 6:48/mi
15K· 9.32 mi
1:03:31
Rank: #6339 (-504)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:25:00
Rank: #6306 (+33)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:29:30
Rank: #6191 (+115)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:46:32
Rank: #6236 (-45)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:09:21
Rank: #6255 (-19)
25K → 30K
22:49 | 7:21/mi
20M
2:19:31
Rank: #6228 (+27)
30K → 20M
10:10 | 7:29/mi
21M
2:27:34
Rank: #6246 (-18)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:33:06
Rank: #6261 (-15)
21M → 35K
5:32 | 7:24/mi
23M
2:42:34
Rank: #6224 (+37)
35K → 23M
9:28 | 7:34/mi
24M
2:50:00
Rank: #6210 (+14)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:56:32
Rank: #6209 (+1)
24M → 40K
6:32 | 7:38/mi
25.2M
2:59:22
Rank: #6192 (+17)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:06:28
Rank: #6118 (+74)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:30
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:36:58
Pace7:24 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3520:506:4220:50
6:42
-
10K
6.21 mi11:08:4241:576:4521:07
6:48
+0:06
15K
9.32 mi11:30:161:03:316:4921:34
6:56
+0:08
20K
12.43 mi11:51:451:25:006:5021:29
6:55
-0:01
Half
13.11 mi11:56:151:29:306:504:30
6:36
-0:19
25K
15.53 mi12:13:171:46:326:5117:02
7:02
+0:26
30K
18.64 mi12:36:062:09:216:5622:49
7:21
+0:19
20M
20.00 mi12:46:162:19:316:5910:10
7:29
+0:08
21M
21.00 mi12:54:192:27:347:028:03
8:03
+0:34
35K
21.75 mi12:59:512:33:067:025:32
7:24
-0:39
23M
23.00 mi13:09:192:42:347:049:28
7:34
+0:10
24M
24.00 mi13:16:452:50:007:057:26
7:26
-0:08
40K
24.85 mi13:23:172:56:327:066:32
7:38
+0:12
25.2M
25.20 mi13:26:072:59:227:072:50
8:13
+0:35
Finish
26.22 mi13:33:133:06:287:077:06
6:58
-1:15

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

6:36 /mi

Average Pace

7:07 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:38

61% of race

Time at Steady Pace

55:25

30% of race

Time at Slower Pace

17:25

9% of race

Average Pace: 7:07 /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 mi10:47:3520:506:4220:50
6:42
#5490
10K
6.21 mi11:08:4241:576:4521:07
6:48
#5835
15K
9.32 mi11:30:161:03:316:4921:34
6:56
#6339
20K
12.43 mi11:51:451:25:006:5021:29
6:55
#6306
Half
13.11 mi11:56:151:29:306:504:30
6:36
#6191
25K
15.53 mi12:13:171:46:326:5117:02
7:02
#6236
30K
18.64 mi12:36:062:09:216:5622:49
7:21
#6255
20M
20.00 mi12:46:162:19:316:5910:10
7:29
#6228
21M
21.00 mi12:54:192:27:347:028:03
8:03
#6246
35K
21.75 mi12:59:512:33:067:025:32
7:24
#6261
23M
23.00 mi13:09:192:42:347:049:28
7:34
#6224
24M
24.00 mi13:16:452:50:007:057:26
7:26
#6210
40K
24.85 mi13:23:172:56:327:066:32
7:38
#6209
25.2M
25.20 mi13:26:072:59:227:072:50
8:13
#6192
Finish
26.22 mi13:33:133:06:287:077:06
6:58
#6118
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5490509250927228(Top 25%)6416(Top 40%)6416(Top 269%)
10K6.21 mi3.10 mi5835-3455373-2815373-2816345(Top 22%)5754(Top 36%)5754(Top 241%)
15K9.32 mi3.11 mi6339-5045777-4045777-4047228(Top 25%)6416(Top 40%)6416(Top 269%)
20K12.43 mi3.11 mi6306+335726+515726+516299(Top 22%)5664(Top 35%)5664(Top 237%)
Half13.11 mi0.68 mi6191+1155634+925634+924366(Top 15%)4088(Top 25%)4088(Top 171%)
25K15.53 mi2.42 mi6236-455644-105644-106461(Top 23%)5736(Top 36%)5736(Top 240%)
30K18.64 mi3.11 mi6255-195638+65638+66702(Top 24%)5780(Top 36%)5780(Top 242%)
20M20.00 mi1.36 mi6228+275602+365602+366847(Top 24%)5732(Top 36%)5732(Top 240%)
21M21.00 mi1.00 mi6246-18560256027593(Top 27%)6011(Top 37%)6011(Top 252%)
35K21.75 mi0.75 mi6261-155603-15603-17820(Top 28%)6174(Top 38%)6174(Top 259%)
23M23.00 mi1.25 mi6224+375546+575546+576965(Top 25%)5560(Top 35%)5560(Top 233%)
24M24.00 mi1.00 mi6210+145521+255521+257211(Top 25%)5644(Top 35%)5644(Top 237%)
40K24.85 mi0.85 mi6209+15498+235498+237656(Top 27%)5794(Top 36%)5794(Top 243%)
25.2M25.20 mi0.35 mi6192+175475+235475+237060(Top 25%)5350(Top 33%)5350(Top 224%)
Finish26.22 mi1.02 mi6118+745402+735402+735487(Top 19%)4411(Top 27%)4411(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7228

Males

6416

M45-49

6416

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6345

Males

5754

M45-49

5754

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7228

Males

6416

M45-49

6416

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6299

Males

5664

M45-49

5664

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4366

Males

4088

M45-49

4088

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6461

Males

5736

M45-49

5736

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6702

Males

5780

M45-49

5780

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6847

Males

5732

M45-49

5732

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7593

Males

6011

M45-49

6011

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7820

Males

6174

M45-49

6174

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6965

Males

5560

M45-49

5560

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7211

Males

5644

M45-49

5644

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7656

Males

5794

M45-49

5794

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7060

Males

5350

M45-49

5350

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5487

Males

4411

M45-49

4411

Passing Analysis

Category:
Athletes Passed
1213
Passed By
1841
Net Change
-628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5490
5K → 10K67412-345#5490#5835
10K → 15K49553-504#5835#6339
15K → 20K159126+33#6339#6306
20K → Half1161+115#6306#6191
Half → 25K105150-45#6191#6236
25K → 30K167186-19#6236#6255
30K → 20M9972+27#6255#6228
20M → 21M5876-18#6228#6246
21M → 35K3651-15#6246#6261
35K → 23M9255+37#6261#6224
23M → 24M6854+14#6224#6210
24M → 40K5554+1#6210#6209
40K → 25.2M4124+17#6209#6192
25.2M → Finish10127+74#6192#6118
TOTALS12131841-628
📊

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