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BOSTON MARATHON 2025

Charles Jennings

Bib: 27442•M

MA

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
26:15
Rank: #19590
Start → 5K
8:27/mi
26:15 split
10K· 6.21 mi
52:15
Rank: #19286 (+304)
5K → 10K
8:22/mi
26:00 split
15K· 9.32 mi
1:18:31
Rank: #19179 (+107)
10K → 15K
8:27/mi
26:16 split
20K· 12.43 mi
1:46:04
Rank: #19496 (-317)
15K → 20K
8:52/mi
27:33 split
Half· 13.11 mi
1:52:03
Rank: #19568 (-72)
20K → Half
8:46/mi
5:59 split
25K· 15.53 mi
2:16:02
Rank: #20393 (-825)
Half → 25K
9:54/mi
23:59 split
30K· 18.64 mi
2:45:41
Rank: #20319 (+74)
25K → 30K
9:33/mi
29:39 split
20M
2:58:59
Rank: #20324 (-5)
30K → 20M
9:47/mi
13:18 split
21M
3:09:42
Rank: #20352 (-28)
20M → 21M
10:43/mi
10:43 split
35K· 21.75 mi
3:16:46
Rank: #20329 (+23)
21M → 35K
9:27/mi
7:04 split
23M
3:29:06
Rank: #20337 (-8)
35K → 23M
9:51/mi
12:20 split
24M
3:38:45
Rank: #20358 (-21)
23M → 24M
9:39/mi
9:39 split
40K· 24.85 mi
3:47:19
Rank: #20386 (-28)
24M → 40K
10:01/mi
8:34 split
25.2M
3:50:43
Rank: #20341 (+45)
40K → 25.2M
9:52/mi
3:24 split
Finish· 26.22 mi
3:59:41
Rank: #20298 (+43)
25.2M → Finish
8:48/mi
8:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:03
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:07:38
Pace9:44 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:1426:158:2726:15
8:27
-
10K
6.21 mi12:08:1452:158:2526:00
8:22
-0:05
15K
9.32 mi12:34:301:18:318:2526:16
8:27
+0:05
20K
12.43 mi13:02:031:46:048:3227:33
8:52
+0:25
Half
13.11 mi13:08:021:52:038:335:59
8:46
-0:06
25K
15.53 mi13:32:012:16:028:4523:59
9:54
+1:08
30K
18.64 mi14:01:402:45:418:5329:39
9:33
-0:21
20M
20.00 mi14:14:582:58:598:5713:18
9:47
+0:14
21M
21.00 mi14:25:413:09:429:0210:43
10:43
+0:56
35K
21.75 mi14:32:453:16:469:037:04
9:27
-1:16
23M
23.00 mi14:45:053:29:069:0512:20
9:51
+0:24
24M
24.00 mi14:54:443:38:459:079:39
9:39
-0:12
40K
24.85 mi15:03:183:47:199:098:34
10:01
+0:22
25.2M
25.20 mi15:06:423:50:439:093:24
9:52
-0:09
Finish
26.22 mi15:15:403:59:419:098:58
8:48
-1:04

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

8:22 /mi

Average Pace

9:09 /mi

Slowest Pace

10:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:01

50% of race

Time at Steady Pace

1:15:24

31% of race

Time at Slower Pace

43:16

18% of race

Average Pace: 9:08 /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 mi11:42:1426:158:2726:15
8:27
#19590
10K
6.21 mi12:08:1452:158:2526:00
8:22
#19286
15K
9.32 mi12:34:301:18:318:2526:16
8:27
#19179
20K
12.43 mi13:02:031:46:048:3227:33
8:52
#19496
Half
13.11 mi13:08:021:52:038:335:59
8:46
#19568
25K
15.53 mi13:32:012:16:028:4523:59
9:54
#20393
30K
18.64 mi14:01:402:45:418:5329:39
9:33
#20319
20M
20.00 mi14:14:582:58:598:5713:18
9:47
#20324
21M
21.00 mi14:25:413:09:429:0210:43
10:43
#20352
35K
21.75 mi14:32:453:16:469:037:04
9:27
#20329
23M
23.00 mi14:45:053:29:069:0512:20
9:51
#20337
24M
24.00 mi14:54:443:38:459:079:39
9:39
#20358
40K
24.85 mi15:03:183:47:199:098:34
10:01
#20386
25.2M
25.20 mi15:06:423:50:439:093:24
9:52
#20341
Finish
26.22 mi15:15:403:59:419:098:58
8:48
#20298
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19590122821228219052(Top 67%)12071(Top 75%)12071(Top 214%)
10K6.21 mi3.10 mi19286+30412172+11012172+11018989(Top 67%)12060(Top 75%)12060(Top 214%)
15K9.32 mi3.11 mi19179+10712124+4812124+4819052(Top 67%)12071(Top 75%)12071(Top 214%)
20K12.43 mi3.11 mi19496-31712255-13112255-13120306(Top 71%)12598(Top 78%)12598(Top 223%)
Half13.11 mi0.68 mi19568-7212283-2812283-2820730(Top 73%)12784(Top 79%)12784(Top 227%)
25K15.53 mi2.42 mi20393-82512625-34212625-34222985(Top 81%)13738(Top 85%)13738(Top 243%)
30K18.64 mi3.11 mi20319+7412551+7412551+7420109(Top 71%)12340(Top 77%)12340(Top 219%)
20M20.00 mi1.36 mi20324-512532+1912532+1920249(Top 71%)12259(Top 76%)12259(Top 217%)
21M21.00 mi1.00 mi20352-2812524+812524+820634(Top 73%)12318(Top 76%)12318(Top 218%)
35K21.75 mi0.75 mi20329+2312501+2312501+2320127(Top 71%)12030(Top 75%)12030(Top 213%)
23M23.00 mi1.25 mi20337-812474+2712474+2719954(Top 70%)11880(Top 74%)11880(Top 211%)
24M24.00 mi1.00 mi20358-2112475-112475-120181(Top 71%)11953(Top 74%)11953(Top 212%)
40K24.85 mi0.85 mi20386-2812469+612469+620503(Top 72%)12043(Top 75%)12043(Top 213%)
25.2M25.20 mi0.35 mi20341+4512441+2812441+2816376(Top 58%)10086(Top 63%)10086(Top 179%)
Finish26.22 mi1.02 mi20298+4312407+3412407+3418025(Top 63%)10888(Top 68%)10888(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19052

Males

12071

M18-39

12071

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

18989

Males

12060

M18-39

12060

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19052

Males

12071

M18-39

12071

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20306

Males

12598

M18-39

12598

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20730

Males

12784

M18-39

12784

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

22985

Males

13738

M18-39

13738

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20109

Males

12340

M18-39

12340

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20249

Males

12259

M18-39

12259

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20634

Males

12318

M18-39

12318

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

20127

Males

12030

M18-39

12030

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

19954

Males

11880

M18-39

11880

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20181

Males

11953

M18-39

11953

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20503

Males

12043

M18-39

12043

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16376

Males

10086

M18-39

10086

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

18025

Males

10888

M18-39

10888

Passing Analysis

Category:
Athletes Passed
1672
Passed By
2380
Net Change
-708
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19590
5K → 10K446142+304#19590#19286
10K → 15K249142+107#19286#19179
15K → 20K109426-317#19179#19496
20K → Half1890-72#19496#19568
Half → 25K25850-825#19568#20393
25K → 30K261187+74#20393#20319
30K → 20M98103-5#20319#20324
20M → 21M84112-28#20324#20352
21M → 35K6643+23#20352#20329
35K → 23M9098-8#20329#20337
23M → 24M4465-21#20337#20358
24M → 40K4977-28#20358#20386
40K → 25.2M527+45#20386#20341
25.2M → Finish8138+43#20341#20298
TOTALS16722380-708
📊

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