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BOSTON MARATHON 2025

Cornell Jones

Bib: 32430•M

NC

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
25:22
Rank: #17853
Start → 5K
25:22 | 8:10/mi
10K· 6.21 mi
50:43
Rank: #17703 (+150)
5K → 10K
25:21 | 8:10/mi
15K· 9.32 mi
1:15:41
Rank: #17228 (+475)
10K → 15K
24:58 | 8:02/mi
20K· 12.43 mi
1:41:42
Rank: #17236 (-8)
15K → 20K
26:01 | 8:22/mi
Half· 13.11 mi
1:47:26
Rank: #17296 (-60)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:11:19
Rank: #18613 (-1317)
Half → 25K
23:53 | 9:51/mi
30K· 18.64 mi
2:44:06
Rank: #19879 (-1266)
25K → 30K
32:47 | 10:33/mi
20M
2:59:08
Rank: #20352 (-473)
30K → 20M
15:02 | 11:04/mi
21M
3:11:07
Rank: #20645 (-293)
20M → 21M
11:59 | 11:59/mi
35K· 21.75 mi
3:20:14
Rank: #21061 (-416)
21M → 35K
9:07 | 12:11/mi
23M
3:37:06
Rank: #21753 (-692)
35K → 23M
16:52 | 13:28/mi
24M
3:48:08
Rank: #21875 (-122)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
3:58:29
Rank: #22053 (-178)
24M → 40K
10:21 | 12:06/mi
25.2M
4:02:15
Rank: #22018 (+35)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
4:11:45
Rank: #21961 (+57)
25.2M → Finish
9:30 | 9:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:26
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:24:19
Pace11:01 /mi
📊Positive Split: 34.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0225:228:1025:22
8:10
-
10K
6.21 mi12:14:2350:438:1025:21
8:10
0:00
15K
9.32 mi12:39:211:15:418:0724:58
8:02
-0:08
20K
12.43 mi13:05:221:41:428:1126:01
8:22
+0:20
Half
13.11 mi13:11:061:47:268:125:44
8:24
+0:02
25K
15.53 mi13:34:592:11:198:2723:53
9:51
+1:27
30K
18.64 mi14:07:462:44:068:4832:47
10:33
+0:42
20M
20.00 mi14:22:482:59:088:5715:02
11:04
+0:31
21M
21.00 mi14:34:473:11:079:0611:59
11:59
+0:55
35K
21.75 mi14:43:543:20:149:129:07
12:11
+0:12
23M
23.00 mi15:00:463:37:069:2616:52
13:28
+1:17
24M
24.00 mi15:11:483:48:089:3011:02
11:02
-2:26
40K
24.85 mi15:22:093:58:299:3610:21
12:06
+1:04
25.2M
25.20 mi15:25:554:02:159:373:46
10:55
-1:11
Finish
26.22 mi15:35:254:11:459:379:30
9:19
-1:36

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

8:02 /mi

Average Pace

9:37 /mi

Slowest Pace

13:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:56

46% of race

Time at Steady Pace

1:26:30

34% of race

Time at Slower Pace

48:19

19% of race

Average Pace: 9:36 /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 mi11:49:0225:228:1025:22
8:10
#17853
10K
6.21 mi12:14:2350:438:1025:21
8:10
#17703
15K
9.32 mi12:39:211:15:418:0724:58
8:02
#17228
20K
12.43 mi13:05:221:41:428:1126:01
8:22
#17236
Half
13.11 mi13:11:061:47:268:125:44
8:24
#17296
25K
15.53 mi13:34:592:11:198:2723:53
9:51
#18613
30K
18.64 mi14:07:462:44:068:4832:47
10:33
#19879
20M
20.00 mi14:22:482:59:088:5715:02
11:04
#20352
21M
21.00 mi14:34:473:11:079:0611:59
11:59
#20645
35K
21.75 mi14:43:543:20:149:129:07
12:11
#21061
23M
23.00 mi15:00:463:37:069:2616:52
13:28
#21753
24M
24.00 mi15:11:483:48:089:3011:02
11:02
#21875
40K
24.85 mi15:22:093:58:299:3610:21
12:06
#22053
25.2M
25.20 mi15:25:554:02:159:373:46
10:55
#22018
Finish
26.22 mi15:35:254:11:459:379:30
9:19
#21961
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17853115511155116321(Top 57%)10951(Top 68%)10951(Top 194%)
10K6.21 mi3.10 mi17703+15011505+4611505+4617610(Top 62%)11496(Top 71%)11496(Top 204%)
15K9.32 mi3.11 mi17228+47511331+17411331+17416321(Top 57%)10951(Top 68%)10951(Top 194%)
20K12.43 mi3.11 mi17236-811307+2411307+2417387(Top 61%)11346(Top 70%)11346(Top 201%)
Half13.11 mi0.68 mi17296-6011323-1611323-1618610(Top 66%)11883(Top 74%)11883(Top 211%)
25K15.53 mi2.42 mi18613-131711860-53711860-53722890(Top 81%)13691(Top 85%)13691(Top 243%)
30K18.64 mi3.11 mi19879-126612372-51212372-51223040(Top 81%)13634(Top 85%)13634(Top 242%)
20M20.00 mi1.36 mi20352-47312546-17412546-17423708(Top 83%)13851(Top 86%)13851(Top 245%)
21M21.00 mi1.00 mi20645-29312660-11412660-11423560(Top 83%)13710(Top 85%)13710(Top 243%)
35K21.75 mi0.75 mi21061-41612837-17712837-17726105(Top 92%)14887(Top 92%)14887(Top 264%)
23M23.00 mi1.25 mi21753-69213120-28313120-28326858(Top 95%)15262(Top 95%)15262(Top 271%)
24M24.00 mi1.00 mi21875-12213149-2913149-2924049(Top 85%)13845(Top 86%)13845(Top 245%)
40K24.85 mi0.85 mi22053-17813208-5913208-5925078(Top 88%)14303(Top 89%)14303(Top 254%)
25.2M25.20 mi0.35 mi22018+3513187+2113187+2120376(Top 72%)11976(Top 74%)11976(Top 212%)
Finish26.22 mi1.02 mi21961+5713147+4013147+4020470(Top 72%)12045(Top 75%)12045(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

16321

Males

10951

M18-39

10951

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17610

Males

11496

M18-39

11496

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

16321

Males

10951

M18-39

10951

15K→20K

9.3 - 12.4 mi

Top 61%
×5stories
+106ft-86ft

Overall

17387

Males

11346

M18-39

11346

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18610

Males

11883

M18-39

11883

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

22890

Males

13691

M18-39

13691

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

23040

Males

13634

M18-39

13634

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23708

Males

13851

M18-39

13851

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23560

Males

13710

M18-39

13710

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

26105

Males

14887

M18-39

14887

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

26858

Males

15262

M18-39

15262

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

24049

Males

13845

M18-39

13845

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25078

Males

14303

M18-39

14303

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20376

Males

11976

M18-39

11976

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2stories
+22ft-21ft

Overall

20470

Males

12045

M18-39

12045

Passing Analysis

Category:
Athletes Passed
1360
Passed By
5468
Net Change
-4108
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17853
5K → 10K362212+150#17853#17703
10K → 15K51439+475#17703#17228
15K → 20K187195-8#17228#17236
20K → Half1474-60#17236#17296
Half → 25K161333-1317#17296#18613
25K → 30K331299-1266#18613#19879
30K → 20M27500-473#19879#20352
20M → 21M32325-293#20352#20645
21M → 35K8424-416#20645#21061
35K → 23M14706-692#21061#21753
23M → 24M23145-122#21753#21875
24M → 40K10188-178#21875#22053
40K → 25.2M438+35#22053#22018
25.2M → Finish7720+57#22018#21961
TOTALS13605468-4108
📊

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