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BOSTON MARATHON 2025

Cal Wilson

Bib: 4084•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:00
Rank: #1465
Start → 5K
19:00 | 6:07/mi
10K· 6.21 mi
38:03
Rank: #1530 (-65)
5K → 10K
19:03 | 6:08/mi
15K· 9.32 mi
57:19
Rank: #1602 (-72)
10K → 15K
19:16 | 6:12/mi
20K· 12.43 mi
1:16:35
Rank: #1579 (+23)
15K → 20K
19:16 | 6:12/mi
Half· 13.11 mi
1:20:43
Rank: #1569 (+10)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:36
Rank: #1486 (+83)
Half → 25K
14:53 | 6:08/mi
30K· 18.64 mi
1:55:06
Rank: #1381 (+105)
25K → 30K
19:30 | 6:17/mi
20M
2:03:29
Rank: #1296 (+85)
30K → 20M
8:23 | 6:10/mi
21M
2:10:07
Rank: #1262 (+34)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:14:50
Rank: #1245 (+17)
21M → 35K
4:43 | 6:18/mi
23M
2:22:54
Rank: #1214 (+31)
35K → 23M
8:04 | 6:27/mi
24M
2:29:10
Rank: #1196 (+18)
23M → 24M
6:16 | 6:16/mi
40K· 24.85 mi
2:34:38
Rank: #1172 (+24)
24M → 40K
5:28 | 6:24/mi
25.2M
2:36:56
Rank: #1154 (+18)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:42:56
Rank: #1114 (+40)
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:43
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:22:13
Pace6:16 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5119:006:0719:00
6:07
-
10K
6.21 mi10:40:5438:036:0719:03
6:08
+0:01
15K
9.32 mi11:00:1057:196:0919:16
6:12
+0:04
20K
12.43 mi11:19:261:16:356:1019:16
6:12
0:00
Half
13.11 mi11:23:341:20:436:094:08
6:03
-0:09
25K
15.53 mi11:38:271:35:366:0914:53
6:08
+0:05
30K
18.64 mi11:57:571:55:066:1019:30
6:17
+0:09
20M
20.00 mi12:06:202:03:296:108:23
6:10
-0:07
21M
21.00 mi12:12:582:10:076:126:38
6:38
+0:28
35K
21.75 mi12:17:412:14:506:124:43
6:18
-0:20
23M
23.00 mi12:25:452:22:546:138:04
6:27
+0:09
24M
24.00 mi12:32:012:29:106:136:16
6:16
-0:11
40K
24.85 mi12:37:292:34:386:135:28
6:24
+0:08
25.2M
25.20 mi12:39:472:36:566:142:18
6:40
+0:16
Finish
26.22 mi12:45:472:42:566:136:00
5:53
-0:47

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

5:53 /mi

Average Pace

6:13 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:00

95% of race

Time at Steady Pace

8:56

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:21:5119:006:0719:00
6:07
#1465
10K
6.21 mi10:40:5438:036:0719:03
6:08
#1530
15K
9.32 mi11:00:1057:196:0919:16
6:12
#1602
20K
12.43 mi11:19:261:16:356:1019:16
6:12
#1579
Half
13.11 mi11:23:341:20:436:094:08
6:03
#1569
25K
15.53 mi11:38:271:35:366:0914:53
6:08
#1486
30K
18.64 mi11:57:571:55:066:1019:30
6:17
#1381
20M
20.00 mi12:06:202:03:296:108:23
6:10
#1296
21M
21.00 mi12:12:582:10:076:126:38
6:38
#1262
35K
21.75 mi12:17:412:14:506:124:43
6:18
#1245
23M
23.00 mi12:25:452:22:546:138:04
6:27
#1214
24M
24.00 mi12:32:012:29:106:136:16
6:16
#1196
40K
24.85 mi12:37:292:34:386:135:28
6:24
#1172
25.2M
25.20 mi12:39:472:36:566:142:18
6:40
#1154
Finish
26.22 mi12:45:472:42:566:136:00
5:53
#1114
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1465139613961865(Top 7%)1776(Top 11%)1776(Top 31%)
10K6.21 mi3.10 mi1530-651454-581454-581583(Top 6%)1506(Top 9%)1506(Top 27%)
15K9.32 mi3.11 mi1602-721524-701524-701865(Top 7%)1776(Top 11%)1776(Top 31%)
20K12.43 mi3.11 mi1579+231498+261498+261582(Top 6%)1502(Top 9%)1502(Top 27%)
Half13.11 mi0.68 mi1569+101490+81490+81352(Top 5%)1284(Top 8%)1284(Top 23%)
25K15.53 mi2.42 mi1486+831407+831407+831235(Top 4%)1168(Top 7%)1168(Top 21%)
30K18.64 mi3.11 mi1381+1051305+1021305+1021132(Top 4%)1066(Top 7%)1066(Top 19%)
20M20.00 mi1.36 mi1296+851223+821223+82664(Top 2%)624(Top 4%)624(Top 11%)
21M21.00 mi1.00 mi1262+341191+321191+321004(Top 4%)949(Top 6%)949(Top 17%)
35K21.75 mi0.75 mi1245+171174+171174+171595(Top 6%)1495(Top 9%)1495(Top 26%)
23M23.00 mi1.25 mi1214+311142+321142+321272(Top 4%)1197(Top 7%)1197(Top 21%)
24M24.00 mi1.00 mi1196+181126+161126+161198(Top 4%)1123(Top 7%)1123(Top 20%)
40K24.85 mi0.85 mi1172+241103+231103+231233(Top 4%)1146(Top 7%)1146(Top 20%)
25.2M25.20 mi0.35 mi1154+181086+171086+17712(Top 3%)662(Top 4%)662(Top 12%)
Finish26.22 mi1.02 mi1114+401050+361050+36654(Top 2%)615(Top 4%)615(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1865

Males

1776

M18-39

1776

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1583

Males

1506

M18-39

1506

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1865

Males

1776

M18-39

1776

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1582

Males

1502

M18-39

1502

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1352

Males

1284

M18-39

1284

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1235

Males

1168

M18-39

1168

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1132

Males

1066

M18-39

1066

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

664

Males

624

M18-39

624

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1004

Males

949

M18-39

949

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1595

Males

1495

M18-39

1495

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1272

Males

1197

M18-39

1197

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1198

Males

1123

M18-39

1123

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1233

Males

1146

M18-39

1146

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

712

Males

662

M18-39

662

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

654

Males

615

M18-39

615

Passing Analysis

Category:
Athletes Passed
683
Passed By
332
Net Change
+351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1465
5K → 10K47112-65#1465#1530
10K → 15K31103-72#1530#1602
15K → 20K6239+23#1602#1579
20K → Half144+10#1579#1569
Half → 25K885+83#1569#1486
25K → 30K1149+105#1486#1381
30K → 20M861+85#1381#1296
20M → 21M428+34#1296#1262
21M → 35K247+17#1262#1245
35K → 23M5120+31#1245#1214
23M → 24M3012+18#1214#1196
24M → 40K295+24#1196#1172
40K → 25.2M213+18#1172#1154
25.2M → Finish444+40#1154#1114
TOTALS683332+351
📊

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