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BOSTON MARATHON 2025

Cc Lee

Bib: 13248•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:14
Rank: #14797
Start → 5K
24:14 | 7:48/mi
10K· 6.21 mi
48:24
Rank: #14671 (+126)
5K → 10K
24:10 | 7:47/mi
15K· 9.32 mi
1:13:03
Rank: #14957 (-286)
10K → 15K
24:39 | 7:56/mi
20K· 12.43 mi
1:37:58
Rank: #14941 (+16)
15K → 20K
24:55 | 8:01/mi
Half· 13.11 mi
1:43:19
Rank: #14924 (+17)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:03:18
Rank: #15057 (-133)
Half → 25K
19:59 | 8:15/mi
30K· 18.64 mi
2:29:31
Rank: #14902 (+155)
25K → 30K
26:13 | 8:26/mi
20M
2:41:03
Rank: #14766 (+136)
30K → 20M
11:32 | 8:29/mi
21M
2:50:10
Rank: #14693 (+73)
20M → 21M
9:07 | 9:07/mi
35K· 21.75 mi
2:56:14
Rank: #14599 (+94)
21M → 35K
6:04 | 8:07/mi
23M
3:07:02
Rank: #14535 (+64)
35K → 23M
10:48 | 8:38/mi
24M
3:15:30
Rank: #14518 (+17)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:23:07
Rank: #14542 (-24)
24M → 40K
7:37 | 8:54/mi
25.2M
3:26:27
Rank: #14542
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:34:43
Rank: #14489 (+53)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:19
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0924:147:4824:14
7:48
-
10K
6.21 mi11:18:1948:247:4724:10
7:47
-0:01
15K
9.32 mi11:42:581:13:037:5024:39
7:56
+0:09
20K
12.43 mi12:07:531:37:587:5324:55
8:01
+0:05
Half
13.11 mi12:13:141:43:197:535:21
7:50
-0:11
25K
15.53 mi12:33:132:03:187:5619:59
8:15
+0:25
30K
18.64 mi12:59:262:29:318:0126:13
8:26
+0:11
20M
20.00 mi13:10:582:41:038:0311:32
8:29
+0:03
21M
21.00 mi13:20:052:50:108:069:07
9:07
+0:38
35K
21.75 mi13:26:092:56:148:066:04
8:07
-1:00
23M
23.00 mi13:36:573:07:028:0810:48
8:38
+0:31
24M
24.00 mi13:45:253:15:308:098:28
8:28
-0:10
40K
24.85 mi13:53:023:23:078:107:37
8:54
+0:26
25.2M
25.20 mi13:56:223:26:278:123:20
9:40
+0:46
Finish
26.22 mi14:04:383:34:438:128:16
8:07
-1:33

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

7:47 /mi

Average Pace

8:12 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:24

37% of race

Time at Steady Pace

1:45:27

49% of race

Time at Slower Pace

30:52

14% of race

Average Pace: 8:11 /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 mi10:54:0924:147:4824:14
7:48
#14797
10K
6.21 mi11:18:1948:247:4724:10
7:47
#14671
15K
9.32 mi11:42:581:13:037:5024:39
7:56
#14957
20K
12.43 mi12:07:531:37:587:5324:55
8:01
#14941
Half
13.11 mi12:13:141:43:197:535:21
7:50
#14924
25K
15.53 mi12:33:132:03:187:5619:59
8:15
#15057
30K
18.64 mi12:59:262:29:318:0126:13
8:26
#14902
20M
20.00 mi13:10:582:41:038:0311:32
8:29
#14766
21M
21.00 mi13:20:052:50:108:069:07
9:07
#14693
35K
21.75 mi13:26:092:56:148:066:04
8:07
#14599
23M
23.00 mi13:36:573:07:028:0810:48
8:38
#14535
24M
24.00 mi13:45:253:15:308:098:28
8:28
#14518
40K
24.85 mi13:53:023:23:078:107:37
8:54
#14542
25.2M
25.20 mi13:56:223:26:278:123:20
9:40
#14542
Finish
26.22 mi14:04:383:34:438:128:16
8:07
#14489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14797103441034415501(Top 55%)10592(Top 66%)10592(Top 643%)
10K6.21 mi3.10 mi14671+12610280+6410280+6414609(Top 51%)10251(Top 64%)10251(Top 622%)
15K9.32 mi3.11 mi14957-28610382-10210382-10215501(Top 55%)10592(Top 66%)10592(Top 643%)
20K12.43 mi3.11 mi14941+1610347+3510347+3515069(Top 53%)10346(Top 64%)10346(Top 628%)
Half13.11 mi0.68 mi14924+1710331+1610331+1614554(Top 51%)10135(Top 63%)10135(Top 615%)
25K15.53 mi2.42 mi15057-13310368-3710368-3715557(Top 55%)10456(Top 65%)10456(Top 634%)
30K18.64 mi3.11 mi14902+15510242+12610242+12614379(Top 51%)9769(Top 61%)9769(Top 593%)
20M20.00 mi1.36 mi14766+13610160+8210160+8213687(Top 48%)9302(Top 58%)9302(Top 564%)
21M21.00 mi1.00 mi14693+7310102+5810102+5814179(Top 50%)9416(Top 58%)9416(Top 571%)
35K21.75 mi0.75 mi14599+9410052+5010052+5012975(Top 46%)8799(Top 55%)8799(Top 534%)
23M23.00 mi1.25 mi14535+649990+629990+6214074(Top 50%)9205(Top 57%)9205(Top 559%)
24M24.00 mi1.00 mi14518+179952+389952+3814275(Top 50%)9274(Top 58%)9274(Top 563%)
40K24.85 mi0.85 mi14542-249927+259927+2515776(Top 56%)9804(Top 61%)9804(Top 595%)
25.2M25.20 mi0.35 mi145429910+179910+1715379(Top 54%)9574(Top 59%)9574(Top 581%)
Finish26.22 mi1.02 mi14489+539862+489862+4813666(Top 48%)8855(Top 55%)8855(Top 537%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15501

Males

10592

M55-59

10592

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14609

Males

10251

M55-59

10251

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15501

Males

10592

M55-59

10592

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

15069

Males

10346

M55-59

10346

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14554

Males

10135

M55-59

10135

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15557

Males

10456

M55-59

10456

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14379

Males

9769

M55-59

9769

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

13687

Males

9302

M55-59

9302

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

14179

Males

9416

M55-59

9416

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12975

Males

8799

M55-59

8799

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14074

Males

9205

M55-59

9205

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14275

Males

9274

M55-59

9274

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15776

Males

9804

M55-59

9804

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15379

Males

9574

M55-59

9574

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13666

Males

8855

M55-59

8855

Passing Analysis

Category:
Athletes Passed
2063
Passed By
1755
Net Change
+308
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14797
5K → 10K358232+126#14797#14671
10K → 15K113399-286#14671#14957
15K → 20K221205+16#14957#14941
20K → Half4326+17#14941#14924
Half → 25K141274-133#14924#15057
25K → 30K325170+155#15057#14902
30K → 20M18953+136#14902#14766
20M → 21M14471+73#14766#14693
21M → 35K12329+94#14693#14599
35K → 23M12662+64#14599#14535
23M → 24M7255+17#14535#14518
24M → 40K7094-24#14518#14542
40K → 25.2M32320#14542#14542
25.2M → Finish10653+53#14542#14489
TOTALS20631755+308
📊

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