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BOSTON MARATHON 2025

Jack Kelley

Bib: 31367•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
34:51
Rank: #27778
Start → 5K
34:51 | 11:13/mi
10K· 6.21 mi
1:09:55
Rank: #27599 (+179)
5K → 10K
35:04 | 11:17/mi
15K· 9.32 mi
1:44:23
Rank: #27312 (+287)
10K → 15K
34:28 | 11:06/mi
20K· 12.43 mi
2:19:02
Rank: #27035 (+277)
15K → 20K
34:39 | 11:09/mi
Half· 13.11 mi
2:26:14
Rank: #26967 (+68)
20K → Half
7:12 | 10:33/mi
25K· 15.53 mi
2:53:18
Rank: #26721 (+246)
Half → 25K
27:04 | 11:10/mi
30K· 18.64 mi
3:29:02
Rank: #26407 (+314)
25K → 30K
35:44 | 11:30/mi
20M
3:44:42
Rank: #26272 (+135)
30K → 20M
15:40 | 11:32/mi
21M
3:57:00
Rank: #26175 (+97)
20M → 21M
12:18 | 12:18/mi
35K· 21.75 mi
4:05:13
Rank: #26107 (+68)
21M → 35K
8:13 | 10:59/mi
23M
4:19:03
Rank: #25992 (+115)
35K → 23M
13:50 | 11:03/mi
24M
4:29:59
Rank: #25933 (+59)
23M → 24M
10:56 | 10:56/mi
40K· 24.85 mi
4:39:33
Rank: #25872 (+61)
24M → 40K
9:34 | 11:11/mi
25.2M
4:43:34
Rank: #25840 (+32)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:54:11
Rank: #25800 (+40)
25.2M → Finish
10:37 | 10:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:26:14
Pace11:09 /mi
2nd Half
Distance13.11 mi
Time2:27:57
Pace11:17 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:1534:5111:1334:51
11:13
-
10K
6.21 mi12:33:191:09:5511:1535:04
11:17
+0:04
15K
9.32 mi13:07:471:44:2311:1234:28
11:06
-0:11
20K
12.43 mi13:42:262:19:0211:1134:39
11:09
+0:03
Half
13.11 mi13:49:382:26:1411:097:12
10:33
-0:36
25K
15.53 mi14:16:422:53:1811:0927:04
11:10
+0:37
30K
18.64 mi14:52:263:29:0211:1335:44
11:30
+0:20
20M
20.00 mi15:08:063:44:4211:1415:40
11:32
+0:02
21M
21.00 mi15:20:243:57:0011:1712:18
12:18
+0:46
35K
21.75 mi15:28:374:05:1311:178:13
10:59
-1:19
23M
23.00 mi15:42:274:19:0311:1613:50
11:03
+0:04
24M
24.00 mi15:53:234:29:5911:1510:56
10:56
-0:07
40K
24.85 mi16:02:574:39:3311:159:34
11:11
+0:15
25.2M
25.20 mi16:06:584:43:3411:154:01
11:39
+0:28
Finish
26.22 mi16:17:354:54:1111:1410:37
10:25
-1:14

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

10:25 /mi

Average Pace

11:14 /mi

Slowest Pace

12:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:46:28

77% of race

Time at Steady Pace

55:25

19% of race

Time at Slower Pace

12:18

4% of race

Average Pace: 11:13 /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 mi11:58:1534:5111:1334:51
11:13
#27778
10K
6.21 mi12:33:191:09:5511:1535:04
11:17
#27599
15K
9.32 mi13:07:471:44:2311:1234:28
11:06
#27312
20K
12.43 mi13:42:262:19:0211:1134:39
11:09
#27035
Half
13.11 mi13:49:382:26:1411:097:12
10:33
#26967
25K
15.53 mi14:16:422:53:1811:0927:04
11:10
#26721
30K
18.64 mi14:52:263:29:0211:1335:44
11:30
#26407
20M
20.00 mi15:08:063:44:4211:1415:40
11:32
#26272
21M
21.00 mi15:20:243:57:0011:1712:18
12:18
#26175
35K
21.75 mi15:28:374:05:1311:178:13
10:59
#26107
23M
23.00 mi15:42:274:19:0311:1613:50
11:03
#25992
24M
24.00 mi15:53:234:29:5911:1510:56
10:56
#25933
40K
24.85 mi16:02:574:39:3311:159:34
11:11
#25872
25.2M
25.20 mi16:06:584:43:3411:154:01
11:39
#25840
Finish
26.22 mi16:17:354:54:1111:1410:37
10:25
#25800
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi27778158941589426790(Top 94%)15476(Top 96%)15476(Top 274%)
10K6.21 mi3.10 mi27599+17915828+6615828+6627380(Top 96%)15718(Top 98%)15718(Top 279%)
15K9.32 mi3.11 mi27312+28715708+12015708+12026790(Top 94%)15476(Top 96%)15476(Top 274%)
20K12.43 mi3.11 mi27035+27715580+12815580+12826229(Top 92%)15233(Top 95%)15233(Top 270%)
Half13.11 mi0.68 mi26967+6815542+3815542+3825879(Top 91%)15053(Top 93%)15053(Top 267%)
25K15.53 mi2.42 mi26721+24615440+10215440+10225443(Top 90%)14840(Top 92%)14840(Top 263%)
30K18.64 mi3.11 mi26407+31415294+14615294+14624849(Top 87%)14462(Top 90%)14462(Top 256%)
20M20.00 mi1.36 mi26272+13515218+7615218+7624581(Top 87%)14261(Top 89%)14261(Top 253%)
21M21.00 mi1.00 mi26175+9715162+5615162+5624095(Top 85%)13958(Top 87%)13958(Top 247%)
35K21.75 mi0.75 mi26107+6815126+3615126+3624163(Top 85%)13957(Top 87%)13957(Top 247%)
23M23.00 mi1.25 mi25992+11515069+5715069+5723353(Top 82%)13511(Top 84%)13511(Top 239%)
24M24.00 mi1.00 mi25933+5915034+3515034+3523857(Top 84%)13756(Top 85%)13756(Top 244%)
40K24.85 mi0.85 mi25872+6114994+4014994+4023546(Top 83%)13530(Top 84%)13530(Top 240%)
25.2M25.20 mi0.35 mi25840+3214969+2514969+2522441(Top 79%)13019(Top 81%)13019(Top 231%)
Finish26.22 mi1.02 mi25800+4014940+2914940+2924093(Top 85%)13815(Top 86%)13815(Top 245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26790

Males

15476

M18-39

15476

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

27380

Males

15718

M18-39

15718

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26790

Males

15476

M18-39

15476

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26229

Males

15233

M18-39

15233

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25879

Males

15053

M18-39

15053

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25443

Males

14840

M18-39

14840

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

24849

Males

14462

M18-39

14462

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24581

Males

14261

M18-39

14261

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

24095

Males

13958

M18-39

13958

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

24163

Males

13957

M18-39

13957

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

23353

Males

13511

M18-39

13511

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

23857

Males

13756

M18-39

13756

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23546

Males

13530

M18-39

13530

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22441

Males

13019

M18-39

13019

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24093

Males

13815

M18-39

13815

Passing Analysis

Category:
Athletes Passed
2061
Passed By
83
Net Change
+1978
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27778
5K → 10K20728+179#27778#27599
10K → 15K2947+287#27599#27312
15K → 20K2836+277#27312#27035
20K → Half680+68#27035#26967
Half → 25K2471+246#26967#26721
25K → 30K3184+314#26721#26407
30K → 20M1372+135#26407#26272
20M → 21M1058+97#26272#26175
21M → 35K746+68#26175#26107
35K → 23M1194+115#26107#25992
23M → 24M656+59#25992#25933
24M → 40K643+61#25933#25872
40K → 25.2M342+32#25872#25840
25.2M → Finish466+40#25840#25800
TOTALS206183+1978
📊

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