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BOSTON MARATHON 2025

Justen Joffe

Bib: 27099•M

NY

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
30:05
Rank: #24797
Start → 5K
9:41/mi
30:05 split
10K· 6.21 mi
59:24
Rank: #24347 (+450)
5K → 10K
9:26/mi
29:19 split
15K· 9.32 mi
1:29:30
Rank: #24318 (+29)
10K → 15K
9:41/mi
30:06 split
20K· 12.43 mi
2:00:04
Rank: #24197 (+121)
15K → 20K
9:50/mi
30:34 split
Half· 13.11 mi
2:06:48
Rank: #24224 (-27)
20K → Half
9:52/mi
6:44 split
25K· 15.53 mi
2:31:06
Rank: #24050 (+174)
Half → 25K
10:01/mi
24:18 split
30K· 18.64 mi
3:04:03
Rank: #23880 (+170)
25K → 30K
10:36/mi
32:57 split
20M
3:19:17
Rank: #23909 (-29)
30K → 20M
11:13/mi
15:14 split
21M
3:31:03
Rank: #23859 (+50)
20M → 21M
11:46/mi
11:46 split
35K· 21.75 mi
3:39:21
Rank: #23883 (-24)
21M → 35K
11:06/mi
8:18 split
23M
3:54:06
Rank: #23941 (-58)
35K → 23M
11:47/mi
14:45 split
24M
4:06:47
Rank: #24131 (-190)
23M → 24M
12:41/mi
12:41 split
40K· 24.85 mi
4:21:19
Rank: #24563 (-432)
24M → 40K
17:00/mi
14:32 split
25.2M
4:28:02
Rank: #24756 (-193)
40K → 25.2M
19:29/mi
6:43 split
Finish· 26.22 mi
4:38:14
Rank: #24716 (+40)
25.2M → Finish
10:01/mi
10:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:48
Pace9:40 /mi
2nd Half
Distance13.11 mi
Time2:31:26
Pace11:33 /mi
📊Positive Split: 19.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2930:059:4130:05
9:41
-
10K
6.21 mi12:15:4859:249:3429:19
9:26
-0:15
15K
9.32 mi12:45:541:29:309:3630:06
9:41
+0:15
20K
12.43 mi13:16:282:00:049:4030:34
9:50
+0:09
Half
13.11 mi13:23:122:06:489:406:44
9:52
+0:02
25K
15.53 mi13:47:302:31:069:4424:18
10:01
+0:09
30K
18.64 mi14:20:273:04:039:5232:57
10:36
+0:35
20M
20.00 mi14:35:413:19:179:5815:14
11:13
+0:37
21M
21.00 mi14:47:273:31:0310:0311:46
11:46
+0:33
35K
21.75 mi14:55:453:39:2110:058:18
11:06
-0:40
23M
23.00 mi15:10:303:54:0610:1114:45
11:47
+0:41
24M
24.00 mi15:23:114:06:4710:1712:41
12:41
+0:54
40K
24.85 mi15:37:434:21:1910:3114:32
17:00
+4:19
25.2M
25.20 mi15:44:264:28:0210:386:43
19:29
+2:29
Finish
26.22 mi15:54:384:38:1410:3710:12
10:01
-9:28

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

9:26 /mi

Average Pace

10:37 /mi

Slowest Pace

19:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:04:18

88% of race

Time at Slower Pace

33:56

12% of race

Average Pace: 10:37 /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 mi11:46:2930:059:4130:05
9:41
#24797
10K
6.21 mi12:15:4859:249:3429:19
9:26
#24347
15K
9.32 mi12:45:541:29:309:3630:06
9:41
#24318
20K
12.43 mi13:16:282:00:049:4030:34
9:50
#24197
Half
13.11 mi13:23:122:06:489:406:44
9:52
#24224
25K
15.53 mi13:47:302:31:069:4424:18
10:01
#24050
30K
18.64 mi14:20:273:04:039:5232:57
10:36
#23880
20M
20.00 mi14:35:413:19:179:5815:14
11:13
#23909
21M
21.00 mi14:47:273:31:0310:0311:46
11:46
#23859
35K
21.75 mi14:55:453:39:2110:058:18
11:06
#23883
23M
23.00 mi15:10:303:54:0610:1114:45
11:47
#23941
24M
24.00 mi15:23:114:06:4710:1712:41
12:41
#24131
40K
24.85 mi15:37:434:21:1910:3114:32
17:00
#24563
25.2M
25.20 mi15:44:264:28:0210:386:43
19:29
#24756
Finish
26.22 mi15:54:384:38:1410:3710:12
10:01
#24716
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24797146251462524245(Top 85%)14374(Top 89%)14374(Top 255%)
10K6.21 mi3.10 mi24347+45014414+21114414+21123942(Top 84%)14231(Top 88%)14231(Top 252%)
15K9.32 mi3.11 mi24318+2914403+1114403+1124245(Top 85%)14374(Top 89%)14374(Top 255%)
20K12.43 mi3.11 mi24197+12114334+6914334+6923862(Top 84%)14166(Top 88%)14166(Top 251%)
Half13.11 mi0.68 mi24224-2714338-414338-424542(Top 86%)14460(Top 90%)14460(Top 256%)
25K15.53 mi2.42 mi24050+17414251+8714251+8723317(Top 82%)13886(Top 86%)13886(Top 246%)
30K18.64 mi3.11 mi23880+17014151+10014151+10023180(Top 82%)13694(Top 85%)13694(Top 243%)
20M20.00 mi1.36 mi23909-2914149+214149+224019(Top 85%)13995(Top 87%)13995(Top 248%)
21M21.00 mi1.00 mi23859+5014111+3814111+3823154(Top 82%)13523(Top 84%)13523(Top 240%)
35K21.75 mi0.75 mi23883-2414107+414107+424415(Top 86%)14067(Top 87%)14067(Top 249%)
23M23.00 mi1.25 mi23941-5814108-114108-124729(Top 87%)14207(Top 88%)14207(Top 252%)
24M24.00 mi1.00 mi24131-19014183-7514183-7526520(Top 93%)15073(Top 94%)15073(Top 267%)
40K24.85 mi0.85 mi24563-43214385-20214385-20228240(Top 99%)15991(Top 99%)15991(Top 283%)
25.2M25.20 mi0.35 mi24756-19314461-7614461-7628336(Top 100%)16057(Top 100%)16057(Top 285%)
Finish26.22 mi1.02 mi24716+4014437+2414437+2422967(Top 81%)13262(Top 82%)13262(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24245

Males

14374

M18-39

14374

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

23942

Males

14231

M18-39

14231

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24245

Males

14374

M18-39

14374

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23862

Males

14166

M18-39

14166

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24542

Males

14460

M18-39

14460

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

23317

Males

13886

M18-39

13886

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23180

Males

13694

M18-39

13694

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24019

Males

13995

M18-39

13995

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

23154

Males

13523

M18-39

13523

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

24415

Males

14067

M18-39

14067

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24729

Males

14207

M18-39

14207

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26520

Males

15073

M18-39

15073

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28240

Males

15991

M18-39

15991

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

28336

Males

16057

M18-39

16057

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

22967

Males

13262

M18-39

13262

Passing Analysis

Category:
Athletes Passed
1610
Passed By
1529
Net Change
+81
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24797
5K → 10K49646+450#24797#24347
10K → 15K155126+29#24347#24318
15K → 20K19675+121#24318#24197
20K → Half1542-27#24197#24224
Half → 25K20834+174#24224#24050
25K → 30K24575+170#24050#23880
30K → 20M6695-29#23880#23909
20M → 21M8535+50#23909#23859
21M → 35K3559-24#23859#23883
35K → 23M43101-58#23883#23941
23M → 24M12202-190#23941#24131
24M → 40K1433-432#24131#24563
40K → 25.2M0193-193#24563#24756
25.2M → Finish5313+40#24756#24716
TOTALS16101529+81
📊

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