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BOSTON MARATHON 2025

Joseph Trask

Bib: 29571•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

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
10:01/mi
31:07
↑ 97↓ 3451.5%
10K· 6.21 mi
9:54/mi
1:01:51
↑ 79↓ 1380.4%
15K· 9.32 mi
10:09/mi
1:33:23
↑ 67↓ 78
20K· 12.43 mi
10:10/mi
2:04:57
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:11:43
↑ 19↓ 370.5%
25K· 15.53 mi
10:51/mi
2:38:01
↑ 66↓ 880.2%
30K· 18.64 mi
10:34/mi
3:10:51
↑ 181↓ 1480.2%
20M
10:08/mi
3:24:37
↑ 64↓ 500.2%
21M
11:42/mi
3:36:19
↑ 106↓ 241.6%
35K· 21.75 mi
9:39/mi
3:43:32
↑ 17↓ 861.7%
23M
10:33/mi
3:56:45
↑ 23↓ 630.6%
24M
10:18/mi
4:07:03
↓ 821.3%
40K· 24.85 mi
9:58/mi
4:15:34
↓ 200.3%
25.2M
12:05/mi
4:19:44
↑ 13↓ 160.2%
Finish· 26.22 mi
9:42/mi
4:29:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:43
Pace10:03 /mi
2nd Half
Distance13.11 mi
Time2:17:54
Pace10:31 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2531:0710:0131:07
10:01
-
10K
6.21 mi12:23:091:01:519:5730:44
9:54
-0:07
15K
9.32 mi12:54:411:33:2310:0131:32
10:09
+0:15
20K
12.43 mi13:26:152:04:5710:0331:34
10:10
+0:01
Half
13.11 mi13:33:012:11:4310:036:46
9:55
-0:15
25K
15.53 mi13:59:192:38:0110:1026:18
10:51
+0:56
30K
18.64 mi14:32:093:10:5110:1432:50
10:34
-0:17
20M
20.00 mi14:45:553:24:3710:1413:46
10:08
-0:26
21M
21.00 mi14:57:373:36:1910:1811:42
11:42
+1:34
35K
21.75 mi15:04:503:43:3210:177:13
9:39
-2:03
23M
23.00 mi15:18:033:56:4510:1813:13
10:33
+0:54
24M
24.00 mi15:28:214:07:0310:1810:18
10:18
-0:15
40K
24.85 mi15:36:524:15:3410:178:31
9:58
-0:20
25.2M
25.20 mi15:41:024:19:4410:184:10
12:05
+2:07
Finish
26.22 mi15:50:554:29:3710:179:53
9:42
-2:23

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

9:39 /mi

Average Pace

10:17 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:06

6% of race

Time at Steady Pace

2:44:18

61% of race

Time at Slower Pace

1:28:13

33% of race

Average Pace: 10:17 /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 mi11:52:2531:0710:0131:07
10:01
#25608
10K
6.21 mi12:23:091:01:519:5730:44
9:54
#25318
15K
9.32 mi12:54:411:33:2310:0131:32
10:09
#25334
20K
12.43 mi13:26:152:04:5710:0331:34
10:10
#25140
Half
13.11 mi13:33:012:11:4310:036:46
9:55
#25111
25K
15.53 mi13:59:192:38:0110:1026:18
10:51
#25070
30K
18.64 mi14:32:093:10:5110:1432:50
10:34
#24724
20M
20.00 mi14:45:553:24:3710:1413:46
10:08
#24552
21M
21.00 mi14:57:373:36:1910:1811:42
11:42
#24462
35K
21.75 mi15:04:503:43:3210:177:13
9:39
#24354
23M
23.00 mi15:18:033:56:4510:1813:13
10:33
#24231
24M
24.00 mi15:28:214:07:0310:1810:18
10:18
#24163
40K
24.85 mi15:36:524:15:3410:178:31
9:58
#24036
25.2M
25.20 mi15:41:024:19:4410:184:10
12:05
#24039
Finish
26.22 mi15:50:554:29:3710:179:53
9:42
#23976
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25608150031500325307(Top 89%)14837(Top 92%)14837(Top 263%)
10K6.21 mi3.10 mi25318+29014847+15614847+15625067(Top 88%)14732(Top 91%)14732(Top 261%)
15K9.32 mi3.11 mi25334-1614863-1614863-1625307(Top 89%)14837(Top 92%)14837(Top 263%)
20K12.43 mi3.11 mi25140+19414763+10014763+10024553(Top 86%)14471(Top 90%)14471(Top 256%)
Half13.11 mi0.68 mi25111+2914751+1214751+1224644(Top 87%)14496(Top 90%)14496(Top 257%)
25K15.53 mi2.42 mi25070+4114714+3714714+3724976(Top 88%)14638(Top 91%)14638(Top 259%)
30K18.64 mi3.11 mi24724+34614530+18414530+18423092(Top 81%)13661(Top 85%)13661(Top 242%)
20M20.00 mi1.36 mi24552+17214447+8314447+8321382(Top 75%)12764(Top 79%)12764(Top 226%)
21M21.00 mi1.00 mi24462+9014389+5814389+5823020(Top 81%)13455(Top 84%)13455(Top 238%)
35K21.75 mi0.75 mi24354+10814328+6114328+6120839(Top 73%)12377(Top 77%)12377(Top 219%)
23M23.00 mi1.25 mi24231+12314248+8014248+8022154(Top 78%)12956(Top 80%)12956(Top 230%)
24M24.00 mi1.00 mi24163+6814199+4914199+4922243(Top 78%)12930(Top 80%)12930(Top 229%)
40K24.85 mi0.85 mi24036+12714130+6914130+6920347(Top 72%)11967(Top 74%)11967(Top 212%)
25.2M25.20 mi0.35 mi24039-314127+314127+323391(Top 82%)13471(Top 84%)13471(Top 239%)
Finish26.22 mi1.02 mi23976+6314086+4114086+4121916(Top 77%)12749(Top 79%)12749(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25307

Males

14837

M18-39

14837

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

25067

Males

14732

M18-39

14732

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25307

Males

14837

M18-39

14837

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

24553

Males

14471

M18-39

14471

20K→Half

12.4 - 13.1 mi

Top 87%
×2story building
+19ft-37ft

Overall

24644

Males

14496

M18-39

14496

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

24976

Males

14638

M18-39

14638

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

23092

Males

13661

M18-39

13661

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21382

Males

12764

M18-39

12764

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

23020

Males

13455

M18-39

13455

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20839

Males

12377

M18-39

12377

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22154

Males

12956

M18-39

12956

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

22243

Males

12930

M18-39

12930

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20347

Males

11967

M18-39

11967

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23391

Males

13471

M18-39

13471

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21916

Males

12749

M18-39

12749

Passing Analysis

Category:
Athletes Passed
2074
Passed By
442
Net Change
+1632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25608
5K → 10K35969+290#25608#25318
10K → 15K135151-16#25318#25334
15K → 20K23036+194#25334#25140
20K → Half3910+29#25140#25111
Half → 25K12382+41#25111#25070
25K → 30K35711+346#25070#24724
30K → 20M1742+172#24724#24552
20M → 21M10919+90#24552#24462
21M → 35K1102+108#24462#24354
35K → 23M13613+123#24354#24231
23M → 24M7810+68#24231#24163
24M → 40K1281+127#24163#24036
40K → 25.2M1922-3#24036#24039
25.2M → Finish7714+63#24039#23976
TOTALS2074442+1632
📊

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