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BOSTON MARATHON 2025

Nicolas Frison

Bib: 2223•M

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 28%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:37
Rank: #2505
Start → 5K
19:37 | 6:19/mi
10K· 6.21 mi
39:08
Rank: #2394 (+111)
5K → 10K
19:31 | 6:17/mi
15K· 9.32 mi
58:47
Rank: #2422 (-28)
10K → 15K
19:39 | 6:19/mi
20K· 12.43 mi
1:18:30
Rank: #2343 (+79)
15K → 20K
19:43 | 6:21/mi
Half· 13.11 mi
1:22:42
Rank: #2306 (+37)
20K → Half
4:12 | 6:09/mi
25K· 15.53 mi
1:38:01
Rank: #2223 (+83)
Half → 25K
15:19 | 6:19/mi
30K· 18.64 mi
1:58:08
Rank: #2124 (+99)
25K → 30K
20:07 | 6:28/mi
20M
2:07:04
Rank: #2090 (+34)
30K → 20M
8:56 | 6:34/mi
21M
2:14:11
Rank: #2107 (-17)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:19:01
Rank: #2100 (+7)
21M → 35K
4:50 | 6:28/mi
23M
2:27:23
Rank: #2061 (+39)
35K → 23M
8:22 | 6:41/mi
24M
2:33:51
Rank: #2009 (+52)
23M → 24M
6:28 | 6:28/mi
40K· 24.85 mi
2:39:32
Rank: #1997 (+12)
24M → 40K
5:41 | 6:39/mi
25.2M
2:42:03
Rank: #1996 (+1)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:48:48
Rank: #2032 (-36)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:42
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:26:06
Pace6:34 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0619:376:1919:37
6:19
-
10K
6.21 mi10:39:3739:086:1819:31
6:17
-0:02
15K
9.32 mi10:59:1658:476:1819:39
6:19
+0:02
20K
12.43 mi11:18:591:18:306:1919:43
6:21
+0:02
Half
13.11 mi11:23:111:22:426:184:12
6:09
-0:12
25K
15.53 mi11:38:301:38:016:1915:19
6:19
+0:10
30K
18.64 mi11:58:371:58:086:2020:07
6:28
+0:09
20M
20.00 mi12:07:332:07:046:218:56
6:34
+0:06
21M
21.00 mi12:14:402:14:116:237:07
7:07
+0:33
35K
21.75 mi12:19:302:19:016:244:50
6:28
-0:39
23M
23.00 mi12:27:522:27:236:248:22
6:41
+0:13
24M
24.00 mi12:34:202:33:516:256:28
6:28
-0:13
40K
24.85 mi12:40:012:39:326:255:41
6:39
+0:11
25.2M
25.20 mi12:42:322:42:036:262:31
7:18
+0:39
Finish
26.22 mi12:49:172:48:486:276:45
6:37
-0:41

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

6:09 /mi

Average Pace

6:27 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:10

94% of race

Time at Steady Pace

7:07

4% of race

Time at Slower Pace

2:31

1% of race

Average Pace: 6:26 /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 mi10:20:0619:376:1919:37
6:19
#2505
10K
6.21 mi10:39:3739:086:1819:31
6:17
#2394
15K
9.32 mi10:59:1658:476:1819:39
6:19
#2422
20K
12.43 mi11:18:591:18:306:1919:43
6:21
#2343
Half
13.11 mi11:23:111:22:426:184:12
6:09
#2306
25K
15.53 mi11:38:301:38:016:1915:19
6:19
#2223
30K
18.64 mi11:58:371:58:086:2020:07
6:28
#2124
20M
20.00 mi12:07:332:07:046:218:56
6:34
#2090
21M
21.00 mi12:14:402:14:116:237:07
7:07
#2107
35K
21.75 mi12:19:302:19:016:244:50
6:28
#2100
23M
23.00 mi12:27:522:27:236:248:22
6:41
#2061
24M
24.00 mi12:34:202:33:516:256:28
6:28
#2009
40K
24.85 mi12:40:012:39:326:255:41
6:39
#1997
25.2M
25.20 mi12:42:322:42:036:262:31
7:18
#1996
Finish
26.22 mi12:49:172:48:486:276:45
6:37
#2032
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2505238623862481(Top 9%)2366(Top 15%)2366(Top 42%)
10K6.21 mi3.10 mi2394+1112282+1042282+1042297(Top 8%)2198(Top 14%)2198(Top 39%)
15K9.32 mi3.11 mi2422-282312-302312-302481(Top 9%)2366(Top 15%)2366(Top 42%)
20K12.43 mi3.11 mi2343+792236+762236+762244(Top 8%)2138(Top 13%)2138(Top 38%)
Half13.11 mi0.68 mi2306+372201+352201+351754(Top 6%)1670(Top 10%)1670(Top 30%)
25K15.53 mi2.42 mi2223+832122+792122+791940(Top 7%)1846(Top 11%)1846(Top 33%)
30K18.64 mi3.11 mi2124+992025+972025+971869(Top 7%)1779(Top 11%)1779(Top 32%)
20M20.00 mi1.36 mi2090+341989+361989+361908(Top 7%)1805(Top 11%)1805(Top 32%)
21M21.00 mi1.00 mi2107-172006-172006-172722(Top 10%)2525(Top 16%)2525(Top 45%)
35K21.75 mi0.75 mi2100+71999+71999+72245(Top 8%)2097(Top 13%)2097(Top 37%)
23M23.00 mi1.25 mi2061+391960+391960+392154(Top 8%)2011(Top 12%)2011(Top 36%)
24M24.00 mi1.00 mi2009+521906+541906+541907(Top 7%)1769(Top 11%)1769(Top 31%)
40K24.85 mi0.85 mi1997+121895+111895+112133(Top 8%)1959(Top 12%)1959(Top 35%)
25.2M25.20 mi0.35 mi1996+11894+11894+12444(Top 9%)2178(Top 14%)2178(Top 39%)
Finish26.22 mi1.02 mi2032-361927-331927-333424(Top 12%)2993(Top 19%)2993(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2481

Males

2366

M18-39

2366

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2297

Males

2198

M18-39

2198

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2481

Males

2366

M18-39

2366

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2244

Males

2138

M18-39

2138

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1754

Males

1670

M18-39

1670

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1940

Males

1846

M18-39

1846

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1869

Males

1779

M18-39

1779

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1908

Males

1805

M18-39

1805

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2722

Males

2525

M18-39

2525

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2245

Males

2097

M18-39

2097

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2154

Males

2011

M18-39

2011

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1907

Males

1769

M18-39

1769

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2133

Males

1959

M18-39

1959

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2444

Males

2178

M18-39

2178

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3424

Males

2993

M18-39

2993

Passing Analysis

Category:
Athletes Passed
918
Passed By
445
Net Change
+473
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2505
5K → 10K16655+111#2505#2394
10K → 15K75103-28#2394#2422
15K → 20K11132+79#2422#2343
20K → Half370+37#2343#2306
Half → 25K9815+83#2306#2223
25K → 30K12728+99#2223#2124
30K → 20M5521+34#2124#2090
20M → 21M2946-17#2090#2107
21M → 35K3124+7#2107#2100
35K → 23M5920+39#2100#2061
23M → 24M6715+52#2061#2009
24M → 40K3119+12#2009#1997
40K → 25.2M1110+1#1997#1996
25.2M → Finish2157-36#1996#2032
TOTALS918445+473
📊

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