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BOSTON MARATHON 2025

Jonathan Blanton

Bib: 27751•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
30:12
Rank: #24894
Start → 5K
30:12 | 9:43/mi
10K· 6.21 mi
1:00:50
Rank: #24949 (-55)
5K → 10K
30:38 | 9:52/mi
15K· 9.32 mi
1:30:34
Rank: #24619 (+330)
10K → 15K
29:44 | 9:34/mi
20K· 12.43 mi
2:00:07
Rank: #24208 (+411)
15K → 20K
29:33 | 9:31/mi
Half· 13.11 mi
2:06:30
Rank: #24155 (+53)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:31:40
Rank: #24138 (+17)
Half → 25K
25:10 | 10:23/mi
30K· 18.64 mi
3:06:07
Rank: #24195 (-57)
25K → 30K
34:27 | 11:05/mi
20M
3:20:36
Rank: #24072 (+123)
30K → 20M
14:29 | 10:39/mi
21M
3:31:47
Rank: #23950 (+122)
20M → 21M
11:11 | 11:11/mi
35K· 21.75 mi
3:39:33
Rank: #23905 (+45)
21M → 35K
7:46 | 10:23/mi
23M
3:52:32
Rank: #23777 (+128)
35K → 23M
12:59 | 10:22/mi
24M
4:02:18
Rank: #23656 (+121)
23M → 24M
9:46 | 9:46/mi
40K· 24.85 mi
4:10:55
Rank: #23558 (+98)
24M → 40K
8:37 | 10:05/mi
25.2M
4:14:59
Rank: #23547 (+11)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:24:12
Rank: #23415 (+132)
25.2M → Finish
9:13 | 9:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:30
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:17:42
Pace10:30 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3730:129:4330:12
9:43
-
10K
6.21 mi12:18:151:00:509:4730:38
9:52
+0:09
15K
9.32 mi12:47:591:30:349:4329:44
9:34
-0:18
20K
12.43 mi13:17:322:00:079:4029:33
9:31
-0:03
Half
13.11 mi13:23:552:06:309:396:23
9:21
-0:10
25K
15.53 mi13:49:052:31:409:4625:10
10:23
+1:02
30K
18.64 mi14:23:323:06:079:5934:27
11:05
+0:42
20M
20.00 mi14:38:013:20:3610:0214:29
10:39
-0:26
21M
21.00 mi14:49:123:31:4710:0511:11
11:11
+0:32
35K
21.75 mi14:56:583:39:3310:067:46
10:23
-0:48
23M
23.00 mi15:09:573:52:3210:0712:59
10:22
-0:01
24M
24.00 mi15:19:434:02:1810:069:46
9:46
-0:36
40K
24.85 mi15:28:204:10:5510:068:37
10:05
+0:19
25.2M
25.20 mi15:32:244:14:5910:074:04
11:48
+1:43
Finish
26.22 mi15:41:374:24:1210:059:13
9:03
-2:45

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

9:03 /mi

Average Pace

10:05 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:05

40% of race

Time at Steady Pace

1:34:56

36% of race

Time at Slower Pace

1:04:11

24% of race

Average Pace: 10:05 /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 mi11:47:3730:129:4330:12
9:43
#24894
10K
6.21 mi12:18:151:00:509:4730:38
9:52
#24949
15K
9.32 mi12:47:591:30:349:4329:44
9:34
#24619
20K
12.43 mi13:17:322:00:079:4029:33
9:31
#24208
Half
13.11 mi13:23:552:06:309:396:23
9:21
#24155
25K
15.53 mi13:49:052:31:409:4625:10
10:23
#24138
30K
18.64 mi14:23:323:06:079:5934:27
11:05
#24195
20M
20.00 mi14:38:013:20:3610:0214:29
10:39
#24072
21M
21.00 mi14:49:123:31:4710:0511:11
11:11
#23950
35K
21.75 mi14:56:583:39:3310:067:46
10:23
#23905
23M
23.00 mi15:09:573:52:3210:0712:59
10:22
#23777
24M
24.00 mi15:19:434:02:1810:069:46
9:46
#23656
40K
24.85 mi15:28:204:10:5510:068:37
10:05
#23558
25.2M
25.20 mi15:32:244:14:5910:074:04
11:48
#23547
Finish
26.22 mi15:41:374:24:1210:059:13
9:03
#23415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24894146751467523924(Top 84%)14240(Top 88%)14240(Top 252%)
10K6.21 mi3.10 mi24949-5514683-814683-824997(Top 88%)14696(Top 91%)14696(Top 260%)
15K9.32 mi3.11 mi24619+33014531+15214531+15223924(Top 84%)14240(Top 88%)14240(Top 252%)
20K12.43 mi3.11 mi24208+41114337+19414337+19422943(Top 81%)13765(Top 85%)13765(Top 244%)
Half13.11 mi0.68 mi24155+5314311+2614311+2623127(Top 81%)13846(Top 86%)13846(Top 245%)
25K15.53 mi2.42 mi24138+1714293+1814293+1824133(Top 85%)14253(Top 89%)14253(Top 253%)
30K18.64 mi3.11 mi24195-5714301-814301-824161(Top 85%)14145(Top 88%)14145(Top 251%)
20M20.00 mi1.36 mi24072+12314217+8414217+8422846(Top 80%)13448(Top 84%)13448(Top 238%)
21M21.00 mi1.00 mi23950+12214150+6714150+6721858(Top 77%)12911(Top 80%)12911(Top 229%)
35K21.75 mi0.75 mi23905+4514116+3414116+3422892(Top 81%)13338(Top 83%)13338(Top 236%)
23M23.00 mi1.25 mi23777+12814033+8314033+8321641(Top 76%)12701(Top 79%)12701(Top 225%)
24M24.00 mi1.00 mi23656+12113965+6813965+6820608(Top 73%)12165(Top 76%)12165(Top 216%)
40K24.85 mi0.85 mi23558+9813901+6413901+6420708(Top 73%)12148(Top 75%)12148(Top 215%)
25.2M25.20 mi0.35 mi23547+1113888+1313888+1322755(Top 80%)13158(Top 82%)13158(Top 233%)
Finish26.22 mi1.02 mi23415+13213813+7513813+7519264(Top 68%)11472(Top 71%)11472(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

23924

Males

14240

M18-39

14240

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24997

Males

14696

M18-39

14696

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

23924

Males

14240

M18-39

14240

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22943

Males

13765

M18-39

13765

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23127

Males

13846

M18-39

13846

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

24133

Males

14253

M18-39

14253

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24161

Males

14145

M18-39

14145

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

22846

Males

13448

M18-39

13448

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

21858

Males

12911

M18-39

12911

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22892

Males

13338

M18-39

13338

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21641

Males

12701

M18-39

12701

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20608

Males

12165

M18-39

12165

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20708

Males

12148

M18-39

12148

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22755

Males

13158

M18-39

13158

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19264

Males

11472

M18-39

11472

Passing Analysis

Category:
Athletes Passed
2134
Passed By
655
Net Change
+1479
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24894
5K → 10K172227-55#24894#24949
10K → 15K35121+330#24949#24619
15K → 20K4154+411#24619#24208
20K → Half607+53#24208#24155
Half → 25K124107+17#24155#24138
25K → 30K128185-57#24138#24195
30K → 20M14118+123#24195#24072
20M → 21M1319+122#24072#23950
21M → 35K7530+45#23950#23905
35K → 23M14012+128#23905#23777
23M → 24M1232+121#23777#23656
24M → 40K10810+98#23656#23558
40K → 25.2M3120+11#23558#23547
25.2M → Finish1353+132#23547#23415
TOTALS2134655+1479
📊

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