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BOSTON MARATHON 2025

Jeff Day

Bib: 3832•M

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 4%
Masters (Masters Men)
#0 / 10463
Top 0.9%
Division (M40-44)
#0 / 2247
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:07
Rank: #1619
Start → 5K
19:07 | 6:09/mi
10K· 6.21 mi
37:52
Rank: #1397 (+222)
5K → 10K
18:45 | 6:02/mi
15K· 9.32 mi
56:22
Rank: #1196 (+201)
10K → 15K
18:30 | 5:57/mi
20K· 12.43 mi
1:15:03
Rank: #1098 (+98)
15K → 20K
18:41 | 6:01/mi
Half· 13.11 mi
1:19:06
Rank: #1089 (+9)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:33:47
Rank: #1050 (+39)
Half → 25K
14:41 | 6:03/mi
30K· 18.64 mi
1:53:00
Rank: #1000 (+50)
25K → 30K
19:13 | 6:11/mi
20M
2:01:24
Rank: #942 (+58)
30K → 20M
8:24 | 6:11/mi
21M
2:07:54
Rank: #904 (+38)
20M → 21M
6:30 | 6:30/mi
35K· 21.75 mi
2:12:18
Rank: #873 (+31)
21M → 35K
4:24 | 5:53/mi
23M
2:20:03
Rank: #843 (+30)
35K → 23M
7:45 | 6:11/mi
24M
2:26:02
Rank: #816 (+27)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:31:10
Rank: #786 (+30)
24M → 40K
5:08 | 6:00/mi
25.2M
2:33:24
Rank: #775 (+11)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:39:21
Rank: #748 (+27)
25.2M → Finish
5:57 | 5:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:06
Pace6:02 /mi
2nd Half
Distance13.11 mi
Time1:20:15
Pace6:07 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0119:076:0919:07
6:09
-
10K
6.21 mi10:40:4637:526:0618:45
6:02
-0:07
15K
9.32 mi10:59:1656:226:0318:30
5:57
-0:05
20K
12.43 mi11:17:571:15:036:0218:41
6:01
+0:04
Half
13.11 mi11:22:001:19:066:024:03
5:56
-0:05
25K
15.53 mi11:36:411:33:476:0214:41
6:03
+0:07
30K
18.64 mi11:55:541:53:006:0419:13
6:11
+0:08
20M
20.00 mi12:04:182:01:246:048:24
6:11
0:00
21M
21.00 mi12:10:482:07:546:056:30
6:30
+0:19
35K
21.75 mi12:15:122:12:186:054:24
5:53
-0:37
23M
23.00 mi12:22:572:20:036:057:45
6:11
+0:18
24M
24.00 mi12:28:562:26:026:055:59
5:59
-0:12
40K
24.85 mi12:34:042:31:106:055:08
6:00
+0:01
25.2M
25.20 mi12:36:182:33:246:052:14
6:29
+0:29
Finish
26.22 mi12:42:152:39:216:055:57
5:50
-0:39

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

5:50 /mi

Average Pace

6:05 /mi

Slowest Pace

6:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:37

95% of race

Time at Steady Pace

8:44

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:05 /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 mi10:22:0119:076:0919:07
6:09
#1619
10K
6.21 mi10:40:4637:526:0618:45
6:02
#1397
15K
9.32 mi10:59:1656:226:0318:30
5:57
#1196
20K
12.43 mi11:17:571:15:036:0218:41
6:01
#1098
Half
13.11 mi11:22:001:19:066:024:03
5:56
#1089
25K
15.53 mi11:36:411:33:476:0214:41
6:03
#1050
30K
18.64 mi11:55:541:53:006:0419:13
6:11
#1000
20M
20.00 mi12:04:182:01:246:048:24
6:11
#942
21M
21.00 mi12:10:482:07:546:056:30
6:30
#904
35K
21.75 mi12:15:122:12:186:054:24
5:53
#873
23M
23.00 mi12:22:572:20:036:057:45
6:11
#843
24M
24.00 mi12:28:562:26:026:055:59
5:59
#816
40K
24.85 mi12:34:042:31:106:055:08
6:00
#786
25.2M
25.20 mi12:36:182:33:246:052:14
6:29
#775
Finish
26.22 mi12:42:152:39:216:055:57
5:50
#748
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi161915371537898(Top 3%)846(Top 5%)846(Top 38%)
10K6.21 mi3.10 mi1397+2221328+2091328+2091202(Top 4%)1139(Top 7%)1139(Top 51%)
15K9.32 mi3.11 mi1196+2011133+1951133+195898(Top 3%)846(Top 5%)846(Top 38%)
20K12.43 mi3.11 mi1098+981038+951038+95897(Top 3%)846(Top 5%)846(Top 38%)
Half13.11 mi0.68 mi1089+91029+91029+9916(Top 3%)866(Top 5%)866(Top 39%)
25K15.53 mi2.42 mi1050+39989+40989+40942(Top 3%)887(Top 6%)887(Top 39%)
30K18.64 mi3.11 mi1000+50943+46943+46867(Top 3%)811(Top 5%)811(Top 36%)
20M20.00 mi1.36 mi942+58886+57886+57679(Top 2%)639(Top 4%)639(Top 28%)
21M21.00 mi1.00 mi904+38849+37849+37680(Top 2%)643(Top 4%)643(Top 29%)
35K21.75 mi0.75 mi873+31820+29820+29508(Top 2%)473(Top 3%)473(Top 21%)
23M23.00 mi1.25 mi843+30790+30790+30657(Top 2%)620(Top 4%)620(Top 28%)
24M24.00 mi1.00 mi816+27764+26764+26551(Top 2%)515(Top 3%)515(Top 23%)
40K24.85 mi0.85 mi786+30734+30734+30399(Top 1%)371(Top 2%)371(Top 17%)
25.2M25.20 mi0.35 mi775+11723+11723+11424(Top 1%)391(Top 2%)391(Top 17%)
Finish26.22 mi1.02 mi748+27697+26697+26571(Top 2%)535(Top 3%)535(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

898

Males

846

M40-44

846

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1202

Males

1139

M40-44

1139

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

898

Males

846

M40-44

846

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

897

Males

846

M40-44

846

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

916

Males

866

M40-44

866

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

942

Males

887

M40-44

887

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

867

Males

811

M40-44

811

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

679

Males

639

M40-44

639

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

680

Males

643

M40-44

643

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

508

Males

473

M40-44

473

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

657

Males

620

M40-44

620

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

551

Males

515

M40-44

515

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

399

Males

371

M40-44

371

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

424

Males

391

M40-44

391

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

571

Males

535

M40-44

535

Passing Analysis

Category:
Athletes Passed
944
Passed By
73
Net Change
+871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1619
5K → 10K23311+222#1619#1397
10K → 15K2010+201#1397#1196
15K → 20K1046+98#1196#1098
20K → Half101+9#1098#1089
Half → 25K456+39#1089#1050
25K → 30K7222+50#1050#1000
30K → 20M602+58#1000#942
20M → 21M457+38#942#904
21M → 35K332+31#904#873
35K → 23M377+30#873#843
23M → 24M314+27#843#816
24M → 40K311+30#816#786
40K → 25.2M110+11#786#775
25.2M → Finish314+27#775#748
TOTALS94473+871
📊

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