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BOSTON MARATHON 2025

Christopher Souza

Bib: 29634•M

FL

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
33:24
Rank: #27211
Start → 5K
33:24 | 10:45/mi
10K· 6.21 mi
1:13:01
Rank: #27990 (-779)
5K → 10K
39:37 | 12:45/mi
15K· 9.32 mi
1:54:56
Rank: #28170 (-180)
10K → 15K
41:55 | 13:30/mi
20K· 12.43 mi
2:39:56
Rank: #28261 (-91)
15K → 20K
45:00 | 14:29/mi
Half· 13.11 mi
2:49:58
Rank: #28280 (-19)
20K → Half
10:02 | 14:42/mi
25K· 15.53 mi
3:25:52
Rank: #28294 (-14)
Half → 25K
35:54 | 14:48/mi
30K· 18.64 mi
4:15:19
Rank: #28314 (-20)
25K → 30K
49:27 | 15:55/mi
20M
4:36:07
Rank: #28311 (+3)
30K → 20M
20:48 | 15:18/mi
21M
4:51:36
Rank: #28306 (+5)
20M → 21M
15:29 | 15:29/mi
35K· 21.75 mi
5:03:34
Rank: #28317 (-11)
21M → 35K
11:58 | 16:00/mi
23M
5:21:50
Rank: #28319 (-2)
35K → 23M
18:16 | 14:35/mi
24M
5:35:03
Rank: #28303 (+16)
23M → 24M
13:13 | 13:13/mi
40K· 24.85 mi
5:47:23
Rank: #28303
24M → 40K
12:20 | 14:25/mi
25.2M
5:52:41
Rank: #28299 (+4)
40K → 25.2M
5:18 | 15:22/mi
Finish· 26.22 mi
6:07:03
Rank: #28300 (-1)
25.2M → Finish
14:22 | 14:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:49:58
Pace12:58 /mi
2nd Half
Distance13.11 mi
Time3:17:05
Pace15:02 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2633:2410:4533:24
10:45
-
10K
6.21 mi12:31:031:13:0111:4539:37
12:45
+2:00
15K
9.32 mi13:12:581:54:5612:2041:55
13:30
+0:45
20K
12.43 mi13:57:582:39:5612:5245:00
14:29
+0:59
Half
13.11 mi14:08:002:49:5812:5810:02
14:42
+0:13
25K
15.53 mi14:43:543:25:5213:1535:54
14:48
+0:06
30K
18.64 mi15:33:214:15:1913:4249:27
15:55
+1:07
20M
20.00 mi15:54:094:36:0713:4820:48
15:18
-0:37
21M
21.00 mi16:09:384:51:3613:5315:29
15:29
+0:11
35K
21.75 mi16:21:365:03:3413:5811:58
16:00
+0:31
23M
23.00 mi16:39:525:21:5014:0018:16
14:35
-1:25
24M
24.00 mi16:53:055:35:0313:5813:13
13:13
-1:22
40K
24.85 mi17:05:255:47:2313:5912:20
14:25
+1:12
25.2M
25.20 mi17:10:435:52:4114:005:18
15:22
+0:57
Finish
26.22 mi17:25:056:07:0314:0114:22
14:06
-1:16

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

10:45 /mi

Average Pace

14:01 /mi

Slowest Pace

16:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:09

35% of race

Time at Steady Pace

2:15:54

37% of race

Time at Slower Pace

1:43:00

28% of race

Average Pace: 14:00 /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 mi11:51:2633:2410:4533:24
10:45
#27211
10K
6.21 mi12:31:031:13:0111:4539:37
12:45
#27990
15K
9.32 mi13:12:581:54:5612:2041:55
13:30
#28170
20K
12.43 mi13:57:582:39:5612:5245:00
14:29
#28261
Half
13.11 mi14:08:002:49:5812:5810:02
14:42
#28280
25K
15.53 mi14:43:543:25:5213:1535:54
14:48
#28294
30K
18.64 mi15:33:214:15:1913:4249:27
15:55
#28314
20M
20.00 mi15:54:094:36:0713:4820:48
15:18
#28311
21M
21.00 mi16:09:384:51:3613:5315:29
15:29
#28306
35K
21.75 mi16:21:365:03:3413:5811:58
16:00
#28317
23M
23.00 mi16:39:525:21:5014:0018:16
14:35
#28319
24M
24.00 mi16:53:055:35:0313:5813:13
13:13
#28303
40K
24.85 mi17:05:255:47:2313:5912:20
14:25
#28303
25.2M
25.20 mi17:10:435:52:4114:005:18
15:22
#28299
Finish
26.22 mi17:25:056:07:0314:0114:22
14:06
#28300
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi27211156901569028297(Top 100%)16057(Top 100%)16057(Top 285%)
10K6.21 mi3.10 mi27990-77915964-27415964-27428273(Top 100%)16052(Top 100%)16052(Top 285%)
15K9.32 mi3.11 mi28170-18016024-6016024-6028297(Top 100%)16057(Top 100%)16057(Top 285%)
20K12.43 mi3.11 mi28261-9116043-1916043-1928321(Top 100%)16059(Top 100%)16059(Top 285%)
Half13.11 mi0.68 mi28280-1916055-1216055-1228329(Top 100%)16064(Top 100%)16064(Top 285%)
25K15.53 mi2.42 mi28294-1416053+216053+228191(Top 99%)15999(Top 99%)15999(Top 284%)
30K18.64 mi3.11 mi28314-2016058-516058-528255(Top 99%)16015(Top 99%)16015(Top 284%)
20M20.00 mi1.36 mi28311+316057+116057+127982(Top 99%)15866(Top 99%)15866(Top 281%)
21M21.00 mi1.00 mi28306+516052+516052+527527(Top 97%)15634(Top 97%)15634(Top 277%)
35K21.75 mi0.75 mi28317-1116059-716059-728241(Top 99%)15999(Top 99%)15999(Top 284%)
23M23.00 mi1.25 mi28319-2160591605927702(Top 98%)15678(Top 97%)15678(Top 278%)
24M24.00 mi1.00 mi28303+1616049+1016049+1027070(Top 95%)15331(Top 95%)15331(Top 272%)
40K24.85 mi0.85 mi28303160491604927480(Top 97%)15553(Top 97%)15553(Top 276%)
25.2M25.20 mi0.35 mi28299+416047+216047+227380(Top 96%)15476(Top 96%)15476(Top 274%)
Finish26.22 mi1.02 mi28300-116045+216045+228079(Top 99%)15890(Top 99%)15890(Top 282%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

28297

Males

16057

M18-39

16057

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

28273

Males

16052

M18-39

16052

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

28297

Males

16057

M18-39

16057

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

28321

Males

16059

M18-39

16059

20K→Half

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

28329

Males

16064

M18-39

16064

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

28191

Males

15999

M18-39

15999

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28255

Males

16015

M18-39

16015

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

27982

Males

15866

M18-39

15866

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27527

Males

15634

M18-39

15634

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

28241

Males

15999

M18-39

15999

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27702

Males

15678

M18-39

15678

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

27070

Males

15331

M18-39

15331

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27480

Males

15553

M18-39

15553

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27380

Males

15476

M18-39

15476

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28079

Males

15890

M18-39

15890

Passing Analysis

Category:
Athletes Passed
93
Passed By
1182
Net Change
-1089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27211
5K → 10K4783-779#27211#27990
10K → 15K7187-180#27990#28170
15K → 20K899-91#28170#28261
20K → Half120-19#28261#28280
Half → 25K1125-14#28280#28294
25K → 30K1333-20#28294#28314
30K → 20M52+3#28314#28311
20M → 21M94+5#28311#28306
21M → 35K213-11#28306#28317
35K → 23M35-2#28317#28319
23M → 24M160+16#28319#28303
24M → 40K440#28303#28303
40K → 25.2M40+4#28303#28299
25.2M → Finish67-1#28299#28300
TOTALS931182-1089
📊

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