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BOSTON MARATHON 2025

Charlie Algier

Bib: 6412•M

NJ

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
20:39
Rank: #5007
Start → 5K
20:39 | 6:39/mi
10K· 6.21 mi
41:30
Rank: #5185 (-178)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:20
Rank: #5146 (+39)
10K → 15K
20:50 | 6:42/mi
20K· 12.43 mi
1:23:16
Rank: #4998 (+148)
15K → 20K
20:56 | 6:44/mi
Half· 13.11 mi
1:27:49
Rank: #4991 (+7)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:24
Rank: #4979 (+12)
Half → 25K
16:35 | 6:50/mi
30K· 18.64 mi
2:08:37
Rank: #5982 (-1003)
25K → 30K
24:13 | 7:48/mi
20M
2:23:58
Rank: #7732 (-1750)
30K → 20M
15:21 | 11:18/mi
21M
2:39:34
Rank: #10665 (-2933)
20M → 21M
15:36 | 15:36/mi
35K· 21.75 mi
2:46:34
Rank: #11074 (-409)
21M → 35K
7:00 | 9:21/mi
23M
3:03:18
Rank: #13294 (-2220)
35K → 23M
16:44 | 13:22/mi
24M
3:13:34
Rank: #13929 (-635)
23M → 24M
10:16 | 10:16/mi
40K· 24.85 mi
3:29:50
Rank: #16353 (-2424)
24M → 40K
16:16 | 19:02/mi
25.2M
3:33:20
Rank: #16383 (-30)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:44:18
Rank: #16969 (-586)
25.2M → Finish
10:58 | 10:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:49
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time2:16:29
Pace10:25 /mi
📊Positive Split: 55.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:2820:396:3920:39
6:39
-
10K
6.21 mi10:47:1941:306:4120:51
6:43
+0:04
15K
9.32 mi11:08:091:02:206:4120:50
6:42
-0:01
20K
12.43 mi11:29:051:23:166:4220:56
6:44
+0:02
Half
13.11 mi11:33:381:27:496:424:33
6:40
-0:04
25K
15.53 mi11:50:131:44:246:4316:35
6:50
+0:10
30K
18.64 mi12:14:262:08:376:5424:13
7:48
+0:58
20M
20.00 mi12:29:472:23:587:1215:21
11:18
+3:30
21M
21.00 mi12:45:232:39:347:3615:36
15:36
+4:18
35K
21.75 mi12:52:232:46:347:407:00
9:21
-6:15
23M
23.00 mi13:09:073:03:187:5816:44
13:22
+4:01
24M
24.00 mi13:19:233:13:348:0410:16
10:16
-3:06
40K
24.85 mi13:35:393:29:508:2716:16
19:02
+8:46
25.2M
25.20 mi13:39:093:33:208:283:30
10:09
-8:53
Finish
26.22 mi13:50:073:44:188:3410:58
10:46
+0:37

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

6:39 /mi

Average Pace

8:34 /mi

Slowest Pace

19:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:24

47% of race

Time at Steady Pace

55:57

25% of race

Time at Slower Pace

1:03:57

29% of race

Average Pace: 8:33 /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 mi10:26:2820:396:3920:39
6:39
#5007
10K
6.21 mi10:47:1941:306:4120:51
6:43
#5185
15K
9.32 mi11:08:091:02:206:4120:50
6:42
#5146
20K
12.43 mi11:29:051:23:166:4220:56
6:44
#4998
Half
13.11 mi11:33:381:27:496:424:33
6:40
#4991
25K
15.53 mi11:50:131:44:246:4316:35
6:50
#4979
30K
18.64 mi12:14:262:08:376:5424:13
7:48
#5982
20M
20.00 mi12:29:472:23:587:1215:21
11:18
#7732
21M
21.00 mi12:45:232:39:347:3615:36
15:36
#10665
35K
21.75 mi12:52:232:46:347:407:00
9:21
#11074
23M
23.00 mi13:09:073:03:187:5816:44
13:22
#13294
24M
24.00 mi13:19:233:13:348:0410:16
10:16
#13929
40K
24.85 mi13:35:393:29:508:2716:16
19:02
#16353
25.2M
25.20 mi13:39:093:33:208:283:30
10:09
#16383
Finish
26.22 mi13:50:073:44:188:3410:58
10:46
#16969
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5007468146815141(Top 18%)4766(Top 30%)4766(Top 84%)
10K6.21 mi3.10 mi5185-1784825-1444825-1445456(Top 19%)5040(Top 31%)5040(Top 89%)
15K9.32 mi3.11 mi5146+394790+354790+355141(Top 18%)4766(Top 30%)4766(Top 84%)
20K12.43 mi3.11 mi4998+1484654+1364654+1364781(Top 17%)4426(Top 27%)4426(Top 78%)
Half13.11 mi0.68 mi4991+74643+114643+115093(Top 18%)4722(Top 29%)4722(Top 84%)
25K15.53 mi2.42 mi4979+124620+234620+235214(Top 18%)4780(Top 30%)4780(Top 85%)
30K18.64 mi3.11 mi5982-10035429-8095429-8099897(Top 35%)7632(Top 47%)7632(Top 135%)
20M20.00 mi1.36 mi7732-17506677-12486677-124824174(Top 85%)14059(Top 87%)14059(Top 249%)
21M21.00 mi1.00 mi10665-29338262-15858262-158527603(Top 97%)15671(Top 97%)15671(Top 278%)
35K21.75 mi0.75 mi11074-4098437-1758437-17519768(Top 70%)11852(Top 74%)11852(Top 210%)
23M23.00 mi1.25 mi13294-22209419-9829419-98226773(Top 94%)15218(Top 94%)15218(Top 270%)
24M24.00 mi1.00 mi13929-6359669-2509669-25022114(Top 78%)12859(Top 80%)12859(Top 228%)
40K24.85 mi0.85 mi16353-242410703-103410703-103428367(Top 100%)16078(Top 100%)16078(Top 285%)
25.2M25.20 mi0.35 mi16383-3010707-410707-417636(Top 62%)10659(Top 66%)10659(Top 189%)
Finish26.22 mi1.02 mi16969-58610924-21710924-21724863(Top 88%)14199(Top 88%)14199(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5141

Males

4766

M18-39

4766

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5456

Males

5040

M18-39

5040

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5141

Males

4766

M18-39

4766

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4781

Males

4426

M18-39

4426

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5093

Males

4722

M18-39

4722

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5214

Males

4780

M18-39

4780

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9897

Males

7632

M18-39

7632

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24174

Males

14059

M18-39

14059

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27603

Males

15671

M18-39

15671

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19768

Males

11852

M18-39

11852

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

26773

Males

15218

M18-39

15218

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22114

Males

12859

M18-39

12859

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28367

Males

16078

M18-39

16078

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17636

Males

10659

M18-39

10659

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

24863

Males

14199

M18-39

14199

Passing Analysis

Category:
Athletes Passed
693
Passed By
12653
Net Change
-11962
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5007
5K → 10K105283-178#5007#5185
10K → 15K158119+39#5185#5146
15K → 20K19749+148#5146#4998
20K → Half2821+7#4998#4991
Half → 25K10997+12#4991#4979
25K → 30K371040-1003#4979#5982
30K → 20M31753-1750#5982#7732
20M → 21M02931-2933#7732#10665
21M → 35K8417-409#10665#11074
35K → 23M62226-2220#11074#13294
23M → 24M11646-635#13294#13929
24M → 40K02424-2424#13929#16353
40K → 25.2M2151-30#16353#16383
25.2M → Finish10596-586#16383#16969
TOTALS69312653-11962
📊

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