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BOSTON MARATHON 2025

Joseph Rees

Bib: 28894•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
29:30
Rank: #24231
Start → 5K
29:30 | 9:30/mi
10K· 6.21 mi
1:00:58
Rank: #25002 (-771)
5K → 10K
31:28 | 10:08/mi
15K· 9.32 mi
1:32:20
Rank: #25068 (-66)
10K → 15K
31:22 | 10:06/mi
20K· 12.43 mi
2:04:31
Rank: #25064 (+4)
15K → 20K
32:11 | 10:22/mi
Half· 13.11 mi
2:11:26
Rank: #25062 (+2)
20K → Half
6:55 | 10:08/mi
25K· 15.53 mi
2:39:46
Rank: #25276 (-214)
Half → 25K
28:20 | 11:41/mi
30K· 18.64 mi
3:22:12
Rank: #25830 (-554)
25K → 30K
42:26 | 13:39/mi
20M
3:38:48
Rank: #25802 (+28)
30K → 20M
16:36 | 12:13/mi
21M
3:50:40
Rank: #25705 (+97)
20M → 21M
11:52 | 11:52/mi
35K· 21.75 mi
3:58:03
Rank: #25576 (+129)
21M → 35K
7:23 | 9:52/mi
23M
4:12:00
Rank: #25492 (+84)
35K → 23M
13:57 | 11:08/mi
24M
4:21:49
Rank: #25346 (+146)
23M → 24M
9:49 | 9:49/mi
40K· 24.85 mi
4:30:52
Rank: #25261 (+85)
24M → 40K
9:03 | 10:35/mi
25.2M
4:34:55
Rank: #25240 (+21)
40K → 25.2M
4:03 | 11:45/mi
Finish· 26.22 mi
4:44:39
Rank: #25154 (+86)
25.2M → Finish
9:44 | 9:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:26
Pace10:02 /mi
2nd Half
Distance13.11 mi
Time2:33:13
Pace11:41 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1729:309:3029:30
9:30
-
10K
6.21 mi12:24:451:00:589:4931:28
10:08
+0:38
15K
9.32 mi12:56:071:32:209:5431:22
10:06
-0:02
20K
12.43 mi13:28:182:04:3110:0132:11
10:22
+0:16
Half
13.11 mi13:35:132:11:2610:026:55
10:08
-0:14
25K
15.53 mi14:03:332:39:4610:1728:20
11:41
+1:33
30K
18.64 mi14:45:593:22:1210:5142:26
13:39
+1:58
20M
20.00 mi15:02:353:38:4810:5616:36
12:13
-1:26
21M
21.00 mi15:14:273:50:4010:5911:52
11:52
-0:21
35K
21.75 mi15:21:503:58:0310:577:23
9:52
-2:00
23M
23.00 mi15:35:474:12:0010:5713:57
11:08
+1:16
24M
24.00 mi15:45:364:21:4910:559:49
9:49
-1:19
40K
24.85 mi15:54:394:30:5210:549:03
10:35
+0:46
25.2M
25.20 mi15:58:424:34:5510:554:03
11:45
+1:10
Finish
26.22 mi16:08:264:44:3910:529:44
9:33
-2:12

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

9:30 /mi

Average Pace

10:52 /mi

Slowest Pace

13:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:14

14% of race

Time at Steady Pace

2:08:11

45% of race

Time at Slower Pace

1:57:14

41% of race

Average Pace: 10:51 /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 mi11:53:1729:309:3029:30
9:30
#24231
10K
6.21 mi12:24:451:00:589:4931:28
10:08
#25002
15K
9.32 mi12:56:071:32:209:5431:22
10:06
#25068
20K
12.43 mi13:28:182:04:3110:0132:11
10:22
#25064
Half
13.11 mi13:35:132:11:2610:026:55
10:08
#25062
25K
15.53 mi14:03:332:39:4610:1728:20
11:41
#25276
30K
18.64 mi14:45:593:22:1210:5142:26
13:39
#25830
20M
20.00 mi15:02:353:38:4810:5616:36
12:13
#25802
21M
21.00 mi15:14:273:50:4010:5911:52
11:52
#25705
35K
21.75 mi15:21:503:58:0310:577:23
9:52
#25576
23M
23.00 mi15:35:474:12:0010:5713:57
11:08
#25492
24M
24.00 mi15:45:364:21:4910:559:49
9:49
#25346
40K
24.85 mi15:54:394:30:5210:549:03
10:35
#25261
25.2M
25.20 mi15:58:424:34:5510:554:03
11:45
#25240
Finish
26.22 mi16:08:264:44:3910:529:44
9:33
#25154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24231143551435525195(Top 89%)14797(Top 92%)14797(Top 262%)
10K6.21 mi3.10 mi25002-77114707-35214707-35225579(Top 90%)14944(Top 93%)14944(Top 265%)
15K9.32 mi3.11 mi25068-6614745-3814745-3825195(Top 89%)14797(Top 92%)14797(Top 262%)
20K12.43 mi3.11 mi25064+414734+1114734+1124930(Top 88%)14649(Top 91%)14649(Top 260%)
Half13.11 mi0.68 mi25062+214727+714727+725115(Top 88%)14724(Top 91%)14724(Top 261%)
25K15.53 mi2.42 mi25276-21414802-7514802-7526084(Top 92%)15108(Top 94%)15108(Top 268%)
30K18.64 mi3.11 mi25830-55415031-22915031-22927254(Top 96%)15553(Top 97%)15553(Top 276%)
20M20.00 mi1.36 mi25802+2815001+3015001+3025558(Top 90%)14713(Top 91%)14713(Top 261%)
21M21.00 mi1.00 mi25705+9714943+5814943+5823348(Top 82%)13612(Top 85%)13612(Top 241%)
35K21.75 mi0.75 mi25576+12914881+6214881+6221530(Top 76%)12690(Top 79%)12690(Top 225%)
23M23.00 mi1.25 mi25492+8414822+5914822+5923548(Top 83%)13618(Top 85%)13618(Top 241%)
24M24.00 mi1.00 mi25346+14614753+6914753+6920779(Top 73%)12239(Top 76%)12239(Top 217%)
40K24.85 mi0.85 mi25261+8514702+5114702+5122153(Top 78%)12821(Top 80%)12821(Top 227%)
25.2M25.20 mi0.35 mi25240+2114695+714695+722667(Top 80%)13122(Top 81%)13122(Top 233%)
Finish26.22 mi1.02 mi25154+8614645+5014645+5021366(Top 75%)12472(Top 77%)12472(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25195

Males

14797

M18-39

14797

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25579

Males

14944

M18-39

14944

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25195

Males

14797

M18-39

14797

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24930

Males

14649

M18-39

14649

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

25115

Males

14724

M18-39

14724

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26084

Males

15108

M18-39

15108

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27254

Males

15553

M18-39

15553

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

25558

Males

14713

M18-39

14713

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

23348

Males

13612

M18-39

13612

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21530

Males

12690

M18-39

12690

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

23548

Males

13618

M18-39

13618

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20779

Males

12239

M18-39

12239

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22153

Males

12821

M18-39

12821

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22667

Males

13122

M18-39

13122

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21366

Males

12472

M18-39

12472

Passing Analysis

Category:
Athletes Passed
1115
Passed By
2038
Net Change
-923
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24231
5K → 10K37808-771#24231#25002
10K → 15K106172-66#25002#25068
15K → 20K136132+4#25068#25064
20K → Half2523+2#25064#25062
Half → 25K50264-214#25062#25276
25K → 30K16570-554#25276#25830
30K → 20M6840+28#25830#25802
20M → 21M1036+97#25802#25705
21M → 35K1301+129#25705#25576
35K → 23M9713+84#25576#25492
23M → 24M1471+146#25492#25346
24M → 40K883+85#25346#25261
40K → 25.2M254+21#25261#25240
25.2M → Finish871+86#25240#25154
TOTALS11152038-923
📊

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