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BOSTON MARATHON 2025

Khalem Charles

Bib: 4147•M

MD

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:33
Rank: #4703
Start → 5K
20:33 | 6:37/mi
10K· 6.21 mi
41:07
Rank: #4626 (+77)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:01:46
Rank: #4596 (+30)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:22:19
Rank: #4357 (+239)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:26:42
Rank: #4273 (+84)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:42:48
Rank: #4127 (+146)
Half → 25K
16:06 | 6:38/mi
30K· 18.64 mi
2:03:46
Rank: #3885 (+242)
25K → 30K
20:58 | 6:45/mi
20M
2:13:05
Rank: #3797 (+88)
30K → 20M
9:19 | 6:51/mi
21M
2:19:51
Rank: #3608 (+189)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:24:34
Rank: #3484 (+124)
21M → 35K
4:43 | 6:18/mi
23M
2:32:59
Rank: #3352 (+132)
35K → 23M
8:25 | 6:43/mi
24M
2:39:39
Rank: #3290 (+62)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:45:12
Rank: #3167 (+123)
24M → 40K
5:33 | 6:29/mi
25.2M
2:47:38
Rank: #3098 (+69)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:53:55
Rank: #2990 (+108)
25.2M → Finish
6:17 | 6:10/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:26:42
Pace6:37 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:27:13
Pace6:39 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2120:336:3720:33
6:37
-
10K
6.21 mi10:43:5541:076:3720:34
6:37
0:00
15K
9.32 mi11:04:341:01:466:3820:39
6:39
+0:02
20K
12.43 mi11:25:071:22:196:3720:33
6:37
-0:02
Half
13.11 mi11:29:301:26:426:374:23
6:25
-0:12
25K
15.53 mi11:45:361:42:486:3716:06
6:38
+0:13
30K
18.64 mi12:06:342:03:466:3820:58
6:45
+0:07
20M
20.00 mi12:15:532:13:056:399:19
6:51
+0:06
21M
21.00 mi12:22:392:19:516:406:46
6:46
-0:05
35K
21.75 mi12:27:222:24:346:394:43
6:18
-0:28
23M
23.00 mi12:35:472:32:596:398:25
6:43
+0:25
24M
24.00 mi12:42:272:39:396:396:40
6:40
-0:03
40K
24.85 mi12:48:002:45:126:395:33
6:29
-0:11
25.2M
25.20 mi12:50:262:47:386:392:26
7:03
+0:34
Finish
26.22 mi12:56:432:53:556:386:17
6:10
-0:53

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

6:10 /mi

Average Pace

6:38 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:10

93% of race

Time at Steady Pace

11:45

7% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:23:2120:336:3720:33
6:37
#4703
10K
6.21 mi10:43:5541:076:3720:34
6:37
#4626
15K
9.32 mi11:04:341:01:466:3820:39
6:39
#4596
20K
12.43 mi11:25:071:22:196:3720:33
6:37
#4357
Half
13.11 mi11:29:301:26:426:374:23
6:25
#4273
25K
15.53 mi11:45:361:42:486:3716:06
6:38
#4127
30K
18.64 mi12:06:342:03:466:3820:58
6:45
#3885
20M
20.00 mi12:15:532:13:056:399:19
6:51
#3797
21M
21.00 mi12:22:392:19:516:406:46
6:46
#3608
35K
21.75 mi12:27:222:24:346:394:43
6:18
#3484
23M
23.00 mi12:35:472:32:596:398:25
6:43
#3352
24M
24.00 mi12:42:272:39:396:396:40
6:40
#3290
40K
24.85 mi12:48:002:45:126:395:33
6:29
#3167
25.2M
25.20 mi12:50:262:47:386:392:26
7:03
#3098
Finish
26.22 mi12:56:432:53:556:386:17
6:10
#2990
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4703441144114608(Top 16%)4312(Top 27%)4312(Top 76%)
10K6.21 mi3.10 mi4626+774338+734338+734610(Top 16%)4316(Top 27%)4316(Top 76%)
15K9.32 mi3.11 mi4596+304308+304308+304608(Top 16%)4312(Top 27%)4312(Top 76%)
20K12.43 mi3.11 mi4357+2394093+2154093+2153775(Top 13%)3560(Top 22%)3560(Top 63%)
Half13.11 mi0.68 mi4273+844014+794014+793178(Top 11%)3019(Top 19%)3019(Top 54%)
25K15.53 mi2.42 mi4127+1463877+1373877+1373707(Top 13%)3481(Top 22%)3481(Top 62%)
30K18.64 mi3.11 mi3885+2423657+2203657+2203127(Top 11%)2934(Top 18%)2934(Top 52%)
20M20.00 mi1.36 mi3797+883576+813576+813219(Top 11%)2975(Top 18%)2975(Top 53%)
21M21.00 mi1.00 mi3608+1893397+1793397+1791425(Top 5%)1345(Top 8%)1345(Top 24%)
35K21.75 mi0.75 mi3484+1243288+1093288+1091636(Top 6%)1536(Top 10%)1536(Top 27%)
23M23.00 mi1.25 mi3352+1323162+1263162+1262341(Top 8%)2179(Top 14%)2179(Top 39%)
24M24.00 mi1.00 mi3290+623097+653097+652769(Top 10%)2536(Top 16%)2536(Top 45%)
40K24.85 mi0.85 mi3167+1232982+1152982+1151569(Top 6%)1453(Top 9%)1453(Top 26%)
25.2M25.20 mi0.35 mi3098+692920+622920+621653(Top 6%)1510(Top 9%)1510(Top 27%)
Finish26.22 mi1.02 mi2990+1082819+1012819+1011417(Top 5%)1320(Top 8%)1320(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4608

Males

4312

M18-39

4312

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4610

Males

4316

M18-39

4316

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4608

Males

4312

M18-39

4312

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3775

Males

3560

M18-39

3560

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3178

Males

3019

M18-39

3019

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3707

Males

3481

M18-39

3481

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3127

Males

2934

M18-39

2934

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3219

Males

2975

M18-39

2975

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1425

Males

1345

M18-39

1345

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1636

Males

1536

M18-39

1536

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2341

Males

2179

M18-39

2179

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2769

Males

2536

M18-39

2536

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1569

Males

1453

M18-39

1453

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1653

Males

1510

M18-39

1510

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1417

Males

1320

M18-39

1320

Passing Analysis

Category:
Athletes Passed
2055
Passed By
342
Net Change
+1713
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4703
5K → 10K212135+77#4703#4626
10K → 15K12292+30#4626#4596
15K → 20K25617+239#4596#4357
20K → Half851+84#4357#4273
Half → 25K17529+146#4273#4127
25K → 30K26119+242#4127#3885
30K → 20M10214+88#3885#3797
20M → 21M1901+189#3797#3608
21M → 35K1240+124#3608#3484
35K → 23M1419+132#3484#3352
23M → 24M7816+62#3352#3290
24M → 40K1252+123#3290#3167
40K → 25.2M701+69#3167#3098
25.2M → Finish1146+108#3098#2990
TOTALS2055342+1713
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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