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BOSTON MARATHON 2025

Charlie Emerson

Bib: 9192•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 40%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 42%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:46
Rank: #5315
Start → 5K
20:46 | 6:41/mi
10K· 6.21 mi
41:37
Rank: #5345 (-30)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:34
Rank: #5379 (-34)
10K → 15K
20:57 | 6:45/mi
20K· 12.43 mi
1:24:03
Rank: #5611 (-232)
15K → 20K
21:29 | 6:55/mi
Half· 13.11 mi
1:28:36
Rank: #5559 (+52)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:47:12
Rank: #6579 (-1020)
Half → 25K
18:36 | 7:40/mi
30K· 18.64 mi
2:14:10
Rank: #8005 (-1426)
25K → 30K
26:58 | 8:41/mi
20M
2:26:12
Rank: #8609 (-604)
30K → 20M
12:02 | 8:51/mi
21M
2:35:44
Rank: #9128 (-519)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
2:42:07
Rank: #9370 (-242)
21M → 35K
6:23 | 8:32/mi
23M
2:53:48
Rank: #9984 (-614)
35K → 23M
11:41 | 9:20/mi
24M
3:03:10
Rank: #10490 (-506)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:11:37
Rank: #10935 (-445)
24M → 40K
8:27 | 9:53/mi
25.2M
3:15:04
Rank: #11041 (-106)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:23:39
Rank: #11223 (-182)
25.2M → Finish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:36
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:55:03
Pace8:47 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0520:466:4120:46
6:41
-
10K
6.21 mi11:06:5641:376:4220:51
6:43
+0:02
15K
9.32 mi11:27:531:02:346:4320:57
6:45
+0:02
20K
12.43 mi11:49:221:24:036:4621:29
6:55
+0:10
Half
13.11 mi11:53:551:28:366:464:33
6:40
-0:15
25K
15.53 mi12:12:311:47:126:5418:36
7:40
+1:00
30K
18.64 mi12:39:292:14:107:1226:58
8:41
+1:01
20M
20.00 mi12:51:312:26:127:1912:02
8:51
+0:10
21M
21.00 mi13:01:032:35:447:259:32
9:32
+0:41
35K
21.75 mi13:07:262:42:077:276:23
8:32
-1:00
23M
23.00 mi13:19:072:53:487:3311:41
9:20
+0:48
24M
24.00 mi13:28:293:03:107:389:22
9:22
+0:02
40K
24.85 mi13:36:563:11:377:438:27
9:53
+0:31
25.2M
25.20 mi13:40:233:15:047:443:27
10:00
+0:07
Finish
26.22 mi13:48:583:23:397:468:35
8:25
-1:35

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

6:40 /mi

Average Pace

7:46 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:12

53% of race

Time at Steady Pace

53:58

26% of race

Time at Slower Pace

42:29

21% of race

Average Pace: 7:46 /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 mi10:46:0520:466:4120:46
6:41
#5315
10K
6.21 mi11:06:5641:376:4220:51
6:43
#5345
15K
9.32 mi11:27:531:02:346:4320:57
6:45
#5379
20K
12.43 mi11:49:221:24:036:4621:29
6:55
#5611
Half
13.11 mi11:53:551:28:366:464:33
6:40
#5559
25K
15.53 mi12:12:311:47:126:5418:36
7:40
#6579
30K
18.64 mi12:39:292:14:107:1226:58
8:41
#8005
20M
20.00 mi12:51:312:26:127:1912:02
8:51
#8609
21M
21.00 mi13:01:032:35:447:259:32
9:32
#9128
35K
21.75 mi13:07:262:42:077:276:23
8:32
#9370
23M
23.00 mi13:19:072:53:487:3311:41
9:20
#9984
24M
24.00 mi13:28:293:03:107:389:22
9:22
#10490
40K
24.85 mi13:36:563:11:377:438:27
9:53
#10935
25.2M
25.20 mi13:40:233:15:047:443:27
10:00
#11041
Finish
26.22 mi13:48:583:23:397:468:35
8:25
#11223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5315494649465521(Top 19%)5067(Top 31%)5067(Top 226%)
10K6.21 mi3.10 mi5345-304956-104956-105452(Top 19%)5036(Top 31%)5036(Top 224%)
15K9.32 mi3.11 mi5379-344981-254981-255521(Top 19%)5067(Top 31%)5067(Top 226%)
20K12.43 mi3.11 mi5611-2325160-1795160-1796316(Top 22%)5681(Top 35%)5681(Top 253%)
Half13.11 mi0.68 mi5559+525113+475113+475090(Top 18%)4719(Top 29%)4719(Top 210%)
25K15.53 mi2.42 mi6579-10205931-8185931-81811308(Top 40%)8530(Top 53%)8530(Top 380%)
30K18.64 mi3.11 mi8005-14266872-9416872-94115864(Top 56%)10440(Top 65%)10440(Top 465%)
20M20.00 mi1.36 mi8609-6047206-3347206-33415945(Top 56%)10338(Top 64%)10338(Top 460%)
21M21.00 mi1.00 mi9128-5197477-2717477-27116196(Top 57%)10331(Top 64%)10331(Top 460%)
35K21.75 mi0.75 mi9370-2427582-1057582-10515615(Top 55%)9983(Top 62%)9983(Top 444%)
23M23.00 mi1.25 mi9984-6147856-2747856-27417892(Top 63%)10902(Top 68%)10902(Top 485%)
24M24.00 mi1.00 mi10490-5068081-2258081-22519072(Top 67%)11439(Top 71%)11439(Top 509%)
40K24.85 mi0.85 mi10935-4458249-1688249-16820042(Top 71%)11799(Top 73%)11799(Top 525%)
25.2M25.20 mi0.35 mi11041-1068281-328281-3216966(Top 60%)10331(Top 64%)10331(Top 460%)
Finish26.22 mi1.02 mi11223-1828326-458326-4515702(Top 55%)9791(Top 61%)9791(Top 436%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5521

Males

5067

M40-44

5067

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5452

Males

5036

M40-44

5036

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5521

Males

5067

M40-44

5067

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6316

Males

5681

M40-44

5681

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5090

Males

4719

M40-44

4719

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11308

Males

8530

M40-44

8530

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15864

Males

10440

M40-44

10440

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

15945

Males

10338

M40-44

10338

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16196

Males

10331

M40-44

10331

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15615

Males

9983

M40-44

9983

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17892

Males

10902

M40-44

10902

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19072

Males

11439

M40-44

11439

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20042

Males

11799

M40-44

11799

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16966

Males

10331

M40-44

10331

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15702

Males

9791

M40-44

9791

Passing Analysis

Category:
Athletes Passed
578
Passed By
6483
Net Change
-5908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5315
5K → 10K160190-30#5315#5345
10K → 15K112146-34#5345#5379
15K → 20K66298-232#5379#5611
20K → Half608+52#5611#5559
Half → 25K141034-1020#5559#6579
25K → 30K211447-1426#6579#8005
30K → 20M20624-604#8005#8609
20M → 21M16535-519#8609#9128
21M → 35K16258-242#9128#9370
35K → 23M19632-614#9370#9984
23M → 24M17521-506#9984#10490
24M → 40K10455-445#10490#10935
40K → 25.2M16122-106#10935#11041
25.2M → Finish31213-182#11041#11223
TOTALS5786483-5908
📊

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