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BOSTON MARATHON 2025

Nicholas Chudzik

Bib: 286•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.6%
Gender (Male)
#0 / 16105
Top 0.9%
Division (M18-39)
#0 / 5642
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:56
Rank: #179
Start → 5K
16:56 | 5:27/mi
10K· 6.21 mi
34:06
Rank: #195 (-16)
5K → 10K
17:10 | 5:32/mi
15K· 9.32 mi
51:28
Rank: #207 (-12)
10K → 15K
17:22 | 5:35/mi
20K· 12.43 mi
1:08:52
Rank: #206 (+1)
15K → 20K
17:24 | 5:36/mi
Half· 13.11 mi
1:12:41
Rank: #207 (-1)
20K → Half
3:49 | 5:36/mi
25K· 15.53 mi
1:26:19
Rank: #199 (+8)
Half → 25K
13:38 | 5:37/mi
30K· 18.64 mi
1:44:02
Rank: #184 (+15)
25K → 30K
17:43 | 5:42/mi
20M
1:51:49
Rank: #178 (+6)
30K → 20M
7:47 | 5:44/mi
21M
1:57:49
Rank: #168 (+10)
20M → 21M
6:00 | 6:00/mi
35K· 21.75 mi
2:02:12
Rank: #170 (-2)
21M → 35K
4:23 | 5:52/mi
23M
2:09:49
Rank: #172 (-2)
35K → 23M
7:37 | 6:05/mi
24M
2:15:46
Rank: #177 (-5)
23M → 24M
5:57 | 5:57/mi
40K· 24.85 mi
2:20:50
Rank: #173 (+4)
24M → 40K
5:04 | 5:56/mi
25.2M
2:23:02
Rank: #174 (-1)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:28:43
Rank: #165 (+9)
25.2M → Finish
5:41 | 5:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:12:41
Pace5:33 /mi
2nd Half
Distance13.11 mi
Time1:16:02
Pace5:48 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:0016:565:2716:56
5:27
-
10K
6.21 mi10:34:1034:065:2917:10
5:32
+0:05
15K
9.32 mi10:51:3251:285:3117:22
5:35
+0:03
20K
12.43 mi11:08:561:08:525:3217:24
5:36
+0:01
Half
13.11 mi11:12:451:12:415:333:49
5:36
0:00
25K
15.53 mi11:26:231:26:195:3313:38
5:37
+0:01
30K
18.64 mi11:44:061:44:025:3517:43
5:42
+0:05
20M
20.00 mi11:51:531:51:495:357:47
5:44
+0:02
21M
21.00 mi11:57:531:57:495:376:00
6:00
+0:16
35K
21.75 mi12:02:162:02:125:374:23
5:52
-0:08
23M
23.00 mi12:09:532:09:495:397:37
6:05
+0:13
24M
24.00 mi12:15:502:15:465:395:57
5:57
-0:08
40K
24.85 mi12:20:542:20:505:405:04
5:56
-0:01
25.2M
25.20 mi12:23:062:23:025:412:12
6:23
+0:27
Finish
26.22 mi12:28:472:28:435:415:41
5:35
-0:48

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

5:27 /mi

Average Pace

5:41 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:54

89% of race

Time at Steady Pace

15:49

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:40 /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 mi10:17:0016:565:2716:56
5:27
#179
10K
6.21 mi10:34:1034:065:2917:10
5:32
#195
15K
9.32 mi10:51:3251:285:3117:22
5:35
#207
20K
12.43 mi11:08:561:08:525:3217:24
5:36
#206
Half
13.11 mi11:12:451:12:415:333:49
5:36
#207
25K
15.53 mi11:26:231:26:195:3313:38
5:37
#199
30K
18.64 mi11:44:061:44:025:3517:43
5:42
#184
20M
20.00 mi11:51:531:51:495:357:47
5:44
#178
21M
21.00 mi11:57:531:57:495:376:00
6:00
#168
35K
21.75 mi12:02:162:02:125:374:23
5:52
#170
23M
23.00 mi12:09:532:09:495:397:37
6:05
#172
24M
24.00 mi12:15:502:15:465:395:57
5:57
#177
40K
24.85 mi12:20:542:20:505:405:04
5:56
#173
25.2M
25.20 mi12:23:062:23:025:412:12
6:23
#174
Finish
26.22 mi12:28:472:28:435:415:41
5:35
#165
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi179158158239(Top 0.8%)211(Top 1%)211(Top 4%)
10K6.21 mi3.10 mi195-16169-11169-11223(Top 0.8%)195(Top 1%)195(Top 3%)
15K9.32 mi3.11 mi207-12181-12181-12239(Top 0.8%)211(Top 1%)211(Top 4%)
20K12.43 mi3.11 mi206+1180+1180+1197(Top 0.7%)174(Top 1%)174(Top 3%)
Half13.11 mi0.68 mi207-1181-1181-1284(Top 1.0%)259(Top 2%)259(Top 5%)
25K15.53 mi2.42 mi199+8173+8173+8211(Top 0.7%)187(Top 1%)187(Top 3%)
30K18.64 mi3.11 mi184+15161+12161+12173(Top 0.6%)151(Top 0.9%)151(Top 3%)
20M20.00 mi1.36 mi178+6156+5156+5143(Top 0.5%)130(Top 0.8%)130(Top 2%)
21M21.00 mi1.00 mi168+10147+9147+9120(Top 0.4%)113(Top 0.7%)113(Top 2%)
35K21.75 mi0.75 mi170-2149-2149-2442(Top 2%)410(Top 3%)410(Top 7%)
23M23.00 mi1.25 mi172-2151-2151-2444(Top 2%)417(Top 3%)417(Top 7%)
24M24.00 mi1.00 mi177-5156-5156-5474(Top 2%)438(Top 3%)438(Top 8%)
40K24.85 mi0.85 mi173+4152+4152+4306(Top 1%)281(Top 2%)281(Top 5%)
25.2M25.20 mi0.35 mi174-1153-1153-1279(Top 1.0%)257(Top 2%)257(Top 5%)
Finish26.22 mi1.02 mi165+9144+9144+9204(Top 0.7%)192(Top 1%)192(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21stories
+97ft-345ft

Overall

239

Males

211

M18-39

211

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5stories
+79ft-138ft

Overall

223

Males

195

M18-39

195

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3stories
+67ft-78ft

Overall

239

Males

211

M18-39

211

15K→20K

9.3 - 12.4 mi

Top 0.7%
×5stories
+106ft-86ft

Overall

197

Males

174

M18-39

174

20K→Half

12.4 - 13.1 mi

Top 1.0%
×2stories
+19ft-37ft

Overall

284

Males

259

M18-39

259

Half→25K

13.1 - 15.5 mi

Top 0.7%
×4stories
+66ft-88ft

Overall

211

Males

187

M18-39

187

25K→30K

15.5 - 18.6 mi

Top 0.6%
×9stories
+181ft-148ft

Overall

173

Males

151

M18-39

151

30K→20M

18.6 - 20.0 mi

Top 0.5%
×5stories
+64ft-50ft

Overall

143

Males

130

M18-39

130

20M→21M

20.0 - 21.0 mi

Top 0.4%
×8stories
+106ft-24ft

Overall

120

Males

113

M18-39

113

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

442

Males

410

M18-39

410

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

444

Males

417

M18-39

417

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

474

Males

438

M18-39

438

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

306

Males

281

M18-39

281

40K→25.2M

24.9 - 25.2 mi

Top 1.0%
×1story
+13ft-16ft

Overall

279

Males

257

M18-39

257

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

204

Males

192

M18-39

192

Passing Analysis

Category:
Athletes Passed
94
Passed By
80
Net Change
+14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#179
5K → 10K622-16#179#195
10K → 15K517-12#195#207
15K → 20K1110+1#207#206
20K → Half01-1#206#207
Half → 25K146+8#207#199
25K → 30K205+15#199#184
30K → 20M93+6#184#178
20M → 21M111+10#178#168
21M → 35K24-2#168#170
35K → 23M02-2#170#172
23M → 24M16-5#172#177
24M → 40K62+4#177#173
40K → 25.2M01-1#173#174
25.2M → Finish90+9#174#165
TOTALS9480+14
📊

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