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BOSTON MARATHON 2025

James Taaffe

Bib: 1883•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
25:00
Rank: #16961
Start → 5K
25:00 | 8:03/mi
10K· 6.21 mi
52:17
Rank: #19325 (-2364)
5K → 10K
27:17 | 8:47/mi
15K· 9.32 mi
1:19:44
Rank: #19999 (-674)
10K → 15K
27:27 | 8:50/mi
20K· 12.43 mi
1:49:19
Rank: #20908 (-909)
15K → 20K
29:35 | 9:31/mi
Half· 13.11 mi
1:55:06
Rank: #20820 (+88)
20K → Half
5:47 | 8:29/mi
25K· 15.53 mi
2:16:36
Rank: #20589 (+231)
Half → 25K
21:30 | 8:52/mi
30K· 18.64 mi
2:45:01
Rank: #20139 (+450)
25K → 30K
28:25 | 9:09/mi
20M
2:57:38
Rank: #19996 (+143)
30K → 20M
12:37 | 9:17/mi
21M
3:07:31
Rank: #19852 (+144)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:14:20
Rank: #19804 (+48)
21M → 35K
6:49 | 9:07/mi
23M
3:27:37
Rank: #20045 (-241)
35K → 23M
13:17 | 10:37/mi
24M
3:37:03
Rank: #20018 (+27)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
3:46:23
Rank: #20205 (-187)
24M → 40K
9:20 | 10:55/mi
25.2M
3:49:49
Rank: #20161 (+44)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:58:31
Rank: #20062 (+99)
25.2M → Finish
8:42 | 8:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:06
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:03:25
Pace9:25 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3425:008:0325:00
8:03
-
10K
6.21 mi10:52:5152:178:2527:17
8:47
+0:44
15K
9.32 mi11:20:181:19:448:3327:27
8:50
+0:03
20K
12.43 mi11:49:531:49:198:4829:35
9:31
+0:41
Half
13.11 mi11:55:401:55:068:475:47
8:29
-1:02
25K
15.53 mi12:17:102:16:368:4821:30
8:52
+0:23
30K
18.64 mi12:45:352:45:018:5128:25
9:09
+0:17
20M
20.00 mi12:58:122:57:388:5312:37
9:17
+0:08
21M
21.00 mi13:08:053:07:318:569:53
9:53
+0:36
35K
21.75 mi13:14:543:14:208:566:49
9:07
-0:46
23M
23.00 mi13:28:113:27:379:0213:17
10:37
+1:30
24M
24.00 mi13:37:373:37:039:039:26
9:26
-1:11
40K
24.85 mi13:46:573:46:239:069:20
10:55
+1:29
25.2M
25.20 mi13:50:233:49:499:073:26
9:57
-0:58
Finish
26.22 mi13:59:053:58:319:068:42
8:32
-1:25

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

8:03 /mi

Average Pace

9:06 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:29

17% of race

Time at Steady Pace

2:43:06

68% of race

Time at Slower Pace

35:56

15% of race

Average Pace: 9:06 /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 mi10:25:3425:008:0325:00
8:03
#16961
10K
6.21 mi10:52:5152:178:2527:17
8:47
#19325
15K
9.32 mi11:20:181:19:448:3327:27
8:50
#19999
20K
12.43 mi11:49:531:49:198:4829:35
9:31
#20908
Half
13.11 mi11:55:401:55:068:475:47
8:29
#20820
25K
15.53 mi12:17:102:16:368:4821:30
8:52
#20589
30K
18.64 mi12:45:352:45:018:5128:25
9:09
#20139
20M
20.00 mi12:58:122:57:388:5312:37
9:17
#19996
21M
21.00 mi13:08:053:07:318:569:53
9:53
#19852
35K
21.75 mi13:14:543:14:208:566:49
9:07
#19804
23M
23.00 mi13:28:113:27:379:0213:17
10:37
#20045
24M
24.00 mi13:37:373:37:039:039:26
9:26
#20018
40K
24.85 mi13:46:573:46:239:069:20
10:55
#20205
25.2M
25.20 mi13:50:233:49:499:073:26
9:57
#20161
Finish
26.22 mi13:59:053:58:319:068:42
8:32
#20062
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16961111951119521192(Top 75%)13028(Top 81%)13028(Top 231%)
10K6.21 mi3.10 mi19325-236412189-99412189-99421310(Top 75%)13050(Top 81%)13050(Top 231%)
15K9.32 mi3.11 mi19999-67412479-29012479-29021192(Top 75%)13028(Top 81%)13028(Top 231%)
20K12.43 mi3.11 mi20908-90912870-39112870-39122966(Top 81%)13774(Top 86%)13774(Top 244%)
Half13.11 mi0.68 mi20820+8812829+4112829+4119025(Top 67%)12065(Top 75%)12065(Top 214%)
25K15.53 mi2.42 mi20589+23112712+11712712+11719268(Top 68%)12088(Top 75%)12088(Top 214%)
30K18.64 mi3.11 mi20139+45012477+23512477+23518383(Top 65%)11563(Top 72%)11563(Top 205%)
20M20.00 mi1.36 mi19996+14312399+7812399+7818216(Top 64%)11331(Top 70%)11331(Top 201%)
21M21.00 mi1.00 mi19852+14412313+8612313+8617841(Top 63%)11090(Top 69%)11090(Top 197%)
35K21.75 mi0.75 mi19804+4812273+4012273+4018760(Top 66%)11386(Top 71%)11386(Top 202%)
23M23.00 mi1.25 mi20045-24112348-7512348-7522286(Top 78%)13010(Top 81%)13010(Top 231%)
24M24.00 mi1.00 mi20018+2712313+3512313+3519373(Top 68%)11576(Top 72%)11576(Top 205%)
40K24.85 mi0.85 mi20205-18712377-6412377-6422940(Top 81%)13209(Top 82%)13209(Top 234%)
25.2M25.20 mi0.35 mi20161+4412352+2512352+2516810(Top 59%)10293(Top 64%)10293(Top 182%)
Finish26.22 mi1.02 mi20062+9912294+5812294+5816445(Top 58%)10138(Top 63%)10138(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21192

Males

13028

M18-39

13028

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21310

Males

13050

M18-39

13050

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21192

Males

13028

M18-39

13028

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

22966

Males

13774

M18-39

13774

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

19025

Males

12065

M18-39

12065

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19268

Males

12088

M18-39

12088

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18383

Males

11563

M18-39

11563

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18216

Males

11331

M18-39

11331

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17841

Males

11090

M18-39

11090

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18760

Males

11386

M18-39

11386

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22286

Males

13010

M18-39

13010

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

19373

Males

11576

M18-39

11576

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22940

Males

13209

M18-39

13209

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16810

Males

10293

M18-39

10293

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16445

Males

10138

M18-39

10138

Passing Analysis

Category:
Athletes Passed
1682
Passed By
4783
Net Change
-3101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16961
5K → 10K92373-2364#16961#19325
10K → 15K52726-674#19325#19999
15K → 20K37946-909#19999#20908
20K → Half902+88#20908#20820
Half → 25K28150+231#20820#20589
25K → 30K48131+450#20589#20139
30K → 20M17633+143#20139#19996
20M → 21M17026+144#19996#19852
21M → 35K6517+48#19852#19804
35K → 23M39280-241#19804#20045
23M → 24M7952+27#20045#20018
24M → 40K23210-187#20018#20205
40K → 25.2M5915+44#20205#20161
25.2M → Finish12122+99#20161#20062
TOTALS16824783-3101
📊

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