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BOSTON MARATHON 2025

Justin Jones

Bib: P139•M

FL

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:30/mi
23:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:11:32
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:37:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:43:59
↑ 19↓ 370.5%
25K· 15.53 mi
9:18/mi
2:06:33
↑ 66↓ 880.2%
30K· 18.64 mi
11:13/mi
2:41:23
↑ 181↓ 1480.2%
20M
12:41/mi
2:58:37
↑ 64↓ 500.2%
21M
14:32/mi
3:13:09
↑ 106↓ 241.6%
35K· 21.75 mi
14:01/mi
3:23:38
↑ 17↓ 861.7%
23M
14:38/mi
3:41:57
↑ 23↓ 630.6%
24M
11:38/mi
3:53:35
↓ 821.3%
40K· 24.85 mi
12:31/mi
4:04:17
↓ 200.3%
25.2M
13:38/mi
4:08:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:02/mi
4:19:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:59
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:35:13
Pace11:50 /mi
📊Positive Split: 49.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:13:2123:187:3023:18
7:30
-
10K
6.21 mi10:37:0447:017:3423:43
7:38
+0:08
15K
9.32 mi11:01:351:11:327:4024:31
7:53
+0:15
20K
12.43 mi11:27:591:37:567:5326:24
8:30
+0:37
Half
13.11 mi11:34:021:43:597:566:03
8:52
+0:22
25K
15.53 mi11:56:362:06:338:0922:34
9:18
+0:26
30K
18.64 mi12:31:262:41:238:3934:50
11:13
+1:55
20M
20.00 mi12:48:402:58:378:5617:14
12:41
+1:28
21M
21.00 mi13:03:123:13:099:1214:32
14:32
+1:51
35K
21.75 mi13:13:413:23:389:2210:29
14:01
-0:31
23M
23.00 mi13:32:003:41:579:3918:19
14:38
+0:37
24M
24.00 mi13:43:383:53:359:4411:38
11:38
-3:00
40K
24.85 mi13:54:204:04:179:5010:42
12:31
+0:53
25.2M
25.20 mi13:59:024:08:599:534:42
13:38
+1:07
Finish
26.22 mi14:09:154:19:129:5410:13
10:02
-3:36

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

7:30 /mi

Average Pace

9:54 /mi

Slowest Pace

14:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:06:33

49% of race

Time at Steady Pace

56:41

22% of race

Time at Slower Pace

1:15:58

29% of race

Average Pace: 9:53 /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 mi10:13:2123:187:3023:18
7:30
#12249
10K
6.21 mi10:37:0447:017:3423:43
7:38
#12714
15K
9.32 mi11:01:351:11:327:4024:31
7:53
#13531
20K
12.43 mi11:27:591:37:567:5326:24
8:30
#14923
Half
13.11 mi11:34:021:43:597:566:03
8:52
#15366
25K
15.53 mi11:56:362:06:338:0922:34
9:18
#16611
30K
18.64 mi12:31:262:41:238:3934:50
11:13
#19083
20M
20.00 mi12:48:402:58:378:5617:14
12:41
#20218
21M
21.00 mi13:03:123:13:099:1214:32
14:32
#21109
35K
21.75 mi13:13:413:23:389:2210:29
14:01
#21692
23M
23.00 mi13:32:003:41:579:3918:19
14:38
#22445
24M
24.00 mi13:43:383:53:359:4411:38
11:38
#22583
40K
24.85 mi13:54:204:04:179:5010:42
12:31
#22758
25.2M
25.20 mi13:59:024:08:599:534:42
13:38
#22846
Finish
26.22 mi14:09:154:19:129:5410:13
10:02
#22859
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi122499292929215170(Top 53%)10458(Top 65%)10458(Top 465%)
10K6.21 mi3.10 mi12714-4659496-2049496-20413311(Top 47%)9717(Top 60%)9717(Top 432%)
15K9.32 mi3.11 mi13531-8179789-2939789-29315170(Top 53%)10458(Top 65%)10458(Top 465%)
20K12.43 mi3.11 mi14923-139210340-55110340-55118222(Top 64%)11713(Top 73%)11713(Top 521%)
Half13.11 mi0.68 mi15366-44310533-19310533-19321226(Top 75%)13023(Top 81%)13023(Top 580%)
25K15.53 mi2.42 mi16611-124511031-49811031-49821212(Top 75%)12949(Top 80%)12949(Top 576%)
30K18.64 mi3.11 mi19083-247212023-99212023-99224393(Top 86%)14258(Top 89%)14258(Top 635%)
20M20.00 mi1.36 mi20218-113512487-46412487-46426115(Top 92%)14978(Top 93%)14978(Top 667%)
21M21.00 mi1.00 mi21109-89112873-38612873-38626737(Top 94%)15231(Top 95%)15231(Top 678%)
35K21.75 mi0.75 mi21692-58313130-25713130-25727692(Top 97%)15670(Top 97%)15670(Top 697%)
23M23.00 mi1.25 mi22445-75313421-29113421-29127720(Top 98%)15687(Top 97%)15687(Top 698%)
24M24.00 mi1.00 mi22583-13813456-3513456-3525124(Top 88%)14364(Top 89%)14364(Top 639%)
40K24.85 mi0.85 mi22758-17513529-7313529-7325669(Top 90%)14621(Top 91%)14621(Top 651%)
25.2M25.20 mi0.35 mi22846-8813557-2813557-2825831(Top 91%)14656(Top 91%)14656(Top 652%)
Finish26.22 mi1.02 mi22859-1313550+713550+723002(Top 81%)13281(Top 82%)13281(Top 591%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

15170

Males

10458

M40-44

10458

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

13311

Males

9717

M40-44

9717

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

15170

Males

10458

M40-44

10458

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18222

Males

11713

M40-44

11713

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21226

Males

13023

M40-44

13023

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21212

Males

12949

M40-44

12949

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

24393

Males

14258

M40-44

14258

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

26115

Males

14978

M40-44

14978

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

26737

Males

15231

M40-44

15231

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

27692

Males

15670

M40-44

15670

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

27720

Males

15687

M40-44

15687

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

25124

Males

14364

M40-44

14364

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25669

Males

14621

M40-44

14621

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25831

Males

14656

M40-44

14656

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23002

Males

13281

M40-44

13281

Passing Analysis

Category:
Athletes Passed
324
Passed By
10934
Net Change
-10610
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12249
5K → 10K110575-465#12249#12714
10K → 15K41858-817#12714#13531
15K → 20K291421-1392#13531#14923
20K → Half2445-443#14923#15366
Half → 25K191264-1245#15366#16611
25K → 30K132485-2472#16611#19083
30K → 20M81143-1135#19083#20218
20M → 21M7898-891#20218#21109
21M → 35K3586-583#21109#21692
35K → 23M14767-753#21692#22445
23M → 24M29167-138#22445#22583
24M → 40K7182-175#22583#22758
40K → 25.2M492-88#22758#22846
25.2M → Finish3851-13#22846#22859
TOTALS32410934-10610
📊

Passing Visuals

Category:
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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