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BOSTON MARATHON 2025

Jefferson Driscoll

Bib: 30264•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
23:13
Rank: #12013
Start → 5K
7:28/mi
23:13 split
10K· 6.21 mi
47:18
Rank: #13148 (-1135)
5K → 10K
7:45/mi
24:05 split
15K· 9.32 mi
1:11:38
Rank: #13616 (-468)
10K → 15K
7:50/mi
24:20 split
20K· 12.43 mi
1:37:05
Rank: #14362 (-746)
15K → 20K
8:11/mi
25:27 split
Half· 13.11 mi
1:42:41
Rank: #14507 (-145)
20K → Half
8:12/mi
5:36 split
25K· 15.53 mi
2:03:04
Rank: #14925 (-418)
Half → 25K
8:24/mi
20:23 split
30K· 18.64 mi
2:32:16
Rank: #15996 (-1071)
25K → 30K
9:24/mi
29:12 split
20M
2:45:47
Rank: #16434 (-438)
30K → 20M
9:57/mi
13:31 split
21M
2:56:20
Rank: #16685 (-251)
20M → 21M
10:33/mi
10:33 split
35K· 21.75 mi
3:02:58
Rank: #16708 (-23)
21M → 35K
8:52/mi
6:38 split
23M
3:14:57
Rank: #16855 (-147)
35K → 23M
9:34/mi
11:59 split
24M
3:25:09
Rank: #17204 (-349)
23M → 24M
10:12/mi
10:12 split
40K· 24.85 mi
3:34:23
Rank: #17547 (-343)
24M → 40K
10:48/mi
9:14 split
25.2M
3:38:24
Rank: #17672 (-125)
40K → 25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
3:49:00
Rank: #18083 (-411)
25.2M → Finish
10:24/mi
10:36 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:41
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time2:06:19
Pace9:38 /mi
📊Positive Split: 23.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:2323:137:2823:13
7:28
-
10K
6.21 mi12:08:2847:187:3724:05
7:45
+0:17
15K
9.32 mi12:32:481:11:387:4124:20
7:50
+0:05
20K
12.43 mi12:58:151:37:057:4925:27
8:11
+0:21
Half
13.11 mi13:03:511:42:417:505:36
8:12
+0:01
25K
15.53 mi13:24:142:03:047:5520:23
8:24
+0:12
30K
18.64 mi13:53:262:32:168:1029:12
9:24
+1:00
20M
20.00 mi14:06:572:45:478:1713:31
9:57
+0:33
21M
21.00 mi14:17:302:56:208:2410:33
10:33
+0:36
35K
21.75 mi14:24:083:02:588:256:38
8:52
-1:41
23M
23.00 mi14:36:073:14:578:2911:59
9:34
+0:42
24M
24.00 mi14:46:193:25:098:3310:12
10:12
+0:38
40K
24.85 mi14:55:333:34:238:389:14
10:48
+0:36
25.2M
25.20 mi14:59:343:38:248:404:01
11:39
+0:51
Finish
26.22 mi15:10:103:49:008:4410:36
10:24
-1:15

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

7:28 /mi

Average Pace

8:44 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:04

54% of race

Time at Steady Pace

1:01:20

27% of race

Time at Slower Pace

44:36

19% of race

Average Pace: 8:44 /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 mi11:44:2323:137:2823:13
7:28
#12013
10K
6.21 mi12:08:2847:187:3724:05
7:45
#13148
15K
9.32 mi12:32:481:11:387:4124:20
7:50
#13616
20K
12.43 mi12:58:151:37:057:4925:27
8:11
#14362
Half
13.11 mi13:03:511:42:417:505:36
8:12
#14507
25K
15.53 mi13:24:142:03:047:5520:23
8:24
#14925
30K
18.64 mi13:53:262:32:168:1029:12
9:24
#15996
20M
20.00 mi14:06:572:45:478:1713:31
9:57
#16434
21M
21.00 mi14:17:302:56:208:2410:33
10:33
#16685
35K
21.75 mi14:24:083:02:588:256:38
8:52
#16708
23M
23.00 mi14:36:073:14:578:2911:59
9:34
#16855
24M
24.00 mi14:46:193:25:098:3310:12
10:12
#17204
40K
24.85 mi14:55:333:34:238:389:14
10:48
#17547
25.2M
25.20 mi14:59:343:38:248:404:01
11:39
#17672
Finish
26.22 mi15:10:103:49:008:4410:36
10:24
#18083
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi120139180918014648(Top 52%)10223(Top 63%)10223(Top 181%)
10K6.21 mi3.10 mi13148-11359682-5029682-50214337(Top 50%)10140(Top 63%)10140(Top 180%)
15K9.32 mi3.11 mi13616-4689824-1429824-14214648(Top 52%)10223(Top 63%)10223(Top 181%)
20K12.43 mi3.11 mi14362-74610109-28510109-28516251(Top 57%)10850(Top 67%)10850(Top 192%)
Half13.11 mi0.68 mi14507-14510168-5910168-5917294(Top 61%)11321(Top 70%)11321(Top 201%)
25K15.53 mi2.42 mi14925-41810301-13310301-13316613(Top 58%)10931(Top 68%)10931(Top 194%)
30K18.64 mi3.11 mi15996-107110733-43210733-43219520(Top 69%)12065(Top 75%)12065(Top 214%)
20M20.00 mi1.36 mi16434-43810867-13410867-13420747(Top 73%)12467(Top 77%)12467(Top 221%)
21M21.00 mi1.00 mi16685-25110945-7810945-7820158(Top 71%)12106(Top 75%)12106(Top 215%)
35K21.75 mi0.75 mi16708-2310938+710938+717578(Top 62%)10856(Top 67%)10856(Top 192%)
23M23.00 mi1.25 mi16855-14710963-2510963-2518968(Top 67%)11422(Top 71%)11422(Top 202%)
24M24.00 mi1.00 mi17204-34911078-11511078-11521919(Top 77%)12765(Top 79%)12765(Top 226%)
40K24.85 mi0.85 mi17547-34311197-11911197-11922665(Top 80%)13071(Top 81%)13071(Top 232%)
25.2M25.20 mi0.35 mi17672-12511241-4411241-4422401(Top 79%)12979(Top 81%)12979(Top 230%)
Finish26.22 mi1.02 mi18083-41111423-18211423-18224029(Top 85%)13775(Top 86%)13775(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14648

Males

10223

M18-39

10223

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14337

Males

10140

M18-39

10140

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14648

Males

10223

M18-39

10223

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16251

Males

10850

M18-39

10850

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17294

Males

11321

M18-39

11321

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16613

Males

10931

M18-39

10931

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19520

Males

12065

M18-39

12065

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

20747

Males

12467

M18-39

12467

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20158

Males

12106

M18-39

12106

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17578

Males

10856

M18-39

10856

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

18968

Males

11422

M18-39

11422

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21919

Males

12765

M18-39

12765

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22665

Males

13071

M18-39

13071

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22401

Males

12979

M18-39

12979

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24029

Males

13775

M18-39

13775

Passing Analysis

Category:
Athletes Passed
600
Passed By
6670
Net Change
-6070
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12013
5K → 10K321167-1135#12013#13148
10K → 15K90558-468#13148#13616
15K → 20K67813-746#13616#14362
20K → Half12157-145#14362#14507
Half → 25K84502-418#14507#14925
25K → 30K561127-1071#14925#15996
30K → 20M34472-438#15996#16434
20M → 21M48299-251#16434#16685
21M → 35K5376-23#16685#16708
35K → 23M71218-147#16708#16855
23M → 24M23372-349#16855#17204
24M → 40K14357-343#17204#17547
40K → 25.2M7132-125#17547#17672
25.2M → Finish9420-411#17672#18083
TOTALS6006670-6070
📊

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