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BOSTON MARATHON 2025

James Cecil

Bib: 379•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:42
Rank: #424
Start → 5K
17:42 | 5:42/mi
10K· 6.21 mi
35:16
Rank: #398 (+26)
5K → 10K
17:34 | 5:39/mi
15K· 9.32 mi
53:16
Rank: #433 (-35)
10K → 15K
18:00 | 5:48/mi
20K· 12.43 mi
1:12:06
Rank: #529 (-96)
15K → 20K
18:50 | 6:04/mi
Half· 13.11 mi
1:16:13
Rank: #546 (-17)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:31:15
Rank: #633 (-87)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:50:25
Rank: #646 (-13)
25K → 30K
19:10 | 6:10/mi
20M
1:59:05
Rank: #667 (-21)
30K → 20M
8:40 | 6:23/mi
21M
2:05:43
Rank: #666 (+1)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:10:16
Rank: #661 (+5)
21M → 35K
4:33 | 6:05/mi
23M
2:18:06
Rank: #657 (+4)
35K → 23M
7:50 | 6:15/mi
24M
2:24:07
Rank: #644 (+13)
23M → 24M
6:01 | 6:01/mi
40K· 24.85 mi
2:29:16
Rank: #628 (+16)
24M → 40K
5:09 | 6:01/mi
25.2M
2:31:28
Rank: #615 (+13)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:37:15
Rank: #584 (+31)
25.2M → Finish
5:47 | 5:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:13
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:21:02
Pace6:11 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:5717:425:4217:42
5:42
-
10K
6.21 mi10:35:3135:165:4117:34
5:39
-0:03
15K
9.32 mi10:53:3153:165:4318:00
5:48
+0:09
20K
12.43 mi11:12:211:12:065:4818:50
6:04
+0:16
Half
13.11 mi11:16:281:16:135:494:07
6:02
-0:02
25K
15.53 mi11:31:301:31:155:5215:02
6:12
+0:10
30K
18.64 mi11:50:401:50:255:5519:10
6:10
-0:02
20M
20.00 mi11:59:201:59:055:578:40
6:23
+0:13
21M
21.00 mi12:05:582:05:435:596:38
6:38
+0:15
35K
21.75 mi12:10:312:10:165:594:33
6:05
-0:33
23M
23.00 mi12:18:212:18:066:007:50
6:15
+0:10
24M
24.00 mi12:24:222:24:076:006:01
6:01
-0:14
40K
24.85 mi12:29:312:29:166:005:09
6:01
0:00
25.2M
25.20 mi12:31:432:31:286:012:12
6:23
+0:22
Finish
26.22 mi12:37:302:37:156:005:47
5:41
-0:42

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

5:39 /mi

Average Pace

6:00 /mi

Slowest Pace

6:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:55

84% of race

Time at Steady Pace

25:20

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:00 /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 mi10:17:5717:425:4217:42
5:42
#424
10K
6.21 mi10:35:3135:165:4117:34
5:39
#398
15K
9.32 mi10:53:3153:165:4318:00
5:48
#433
20K
12.43 mi11:12:211:12:065:4818:50
6:04
#529
Half
13.11 mi11:16:281:16:135:494:07
6:02
#546
25K
15.53 mi11:31:301:31:155:5215:02
6:12
#633
30K
18.64 mi11:50:401:50:255:5519:10
6:10
#646
20M
20.00 mi11:59:201:59:055:578:40
6:23
#667
21M
21.00 mi12:05:582:05:435:596:38
6:38
#666
35K
21.75 mi12:10:312:10:165:594:33
6:05
#661
23M
23.00 mi12:18:212:18:066:007:50
6:15
#657
24M
24.00 mi12:24:222:24:076:006:01
6:01
#644
40K
24.85 mi12:29:312:29:166:005:09
6:01
#628
25.2M
25.20 mi12:31:432:31:286:012:12
6:23
#615
Finish
26.22 mi12:37:302:37:156:005:47
5:41
#584
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi424388388514(Top 2%)477(Top 3%)477(Top 8%)
10K6.21 mi3.10 mi398+26365+23365+23363(Top 1%)333(Top 2%)333(Top 6%)
15K9.32 mi3.11 mi433-35398-33398-33514(Top 2%)477(Top 3%)477(Top 8%)
20K12.43 mi3.11 mi529-96491-93491-931036(Top 4%)975(Top 6%)975(Top 17%)
Half13.11 mi0.68 mi546-17504-13504-131225(Top 4%)1159(Top 7%)1159(Top 21%)
25K15.53 mi2.42 mi633-87586-82586-821437(Top 5%)1365(Top 8%)1365(Top 24%)
30K18.64 mi3.11 mi646-13599-13599-13830(Top 3%)776(Top 5%)776(Top 14%)
20M20.00 mi1.36 mi667-21620-21620-211155(Top 4%)1087(Top 7%)1087(Top 19%)
21M21.00 mi1.00 mi666+1619+1619+1995(Top 4%)940(Top 6%)940(Top 17%)
35K21.75 mi0.75 mi661+5614+5614+5891(Top 3%)836(Top 5%)836(Top 15%)
23M23.00 mi1.25 mi657+4610+4610+4774(Top 3%)729(Top 5%)729(Top 13%)
24M24.00 mi1.00 mi644+13596+14596+14614(Top 2%)574(Top 4%)574(Top 10%)
40K24.85 mi0.85 mi628+16580+16580+16422(Top 1%)392(Top 2%)392(Top 7%)
25.2M25.20 mi0.35 mi615+13567+13567+13313(Top 1%)291(Top 2%)291(Top 5%)
Finish26.22 mi1.02 mi584+31540+27540+27327(Top 1%)306(Top 2%)306(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

514

Males

477

M18-39

477

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

363

Males

333

M18-39

333

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

514

Males

477

M18-39

477

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1036

Males

975

M18-39

975

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1225

Males

1159

M18-39

1159

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1437

Males

1365

M18-39

1365

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

830

Males

776

M18-39

776

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1155

Males

1087

M18-39

1087

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

995

Males

940

M18-39

940

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

891

Males

836

M18-39

836

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

774

Males

729

M18-39

729

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

614

Males

574

M18-39

574

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

422

Males

392

M18-39

392

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

313

Males

291

M18-39

291

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

327

Males

306

M18-39

306

Passing Analysis

Category:
Athletes Passed
213
Passed By
373
Net Change
-160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#424
5K → 10K3812+26#424#398
10K → 15K1146-35#398#433
15K → 20K197-96#433#529
20K → Half118-17#529#546
Half → 25K895-87#546#633
25K → 30K2437-13#633#646
30K → 20M1031-21#646#667
20M → 21M1615+1#667#666
21M → 35K116+5#666#661
35K → 23M1612+4#661#657
23M → 24M141+13#657#644
24M → 40K193+16#644#628
40K → 25.2M130+13#628#615
25.2M → Finish310+31#615#584
TOTALS213373-160
📊

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