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BOSTON MARATHON 2025

Daniel Laster

WA

Bib: 24130 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
Top 37%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:47/mi
27:17
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:02/mi
55:21
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:01/mi
1:23:23
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:06/mi
1:51:38
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:37/mi
1:57:31
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:01/mi
2:19:23
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:10/mi
2:47:51
↑ 181↓ 1480.2%
138 ft elev
20M
9:30/mi
3:00:45
↑ 64↓ 500.2%
148 ft elev
21M
9:59/mi
3:10:44
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:40/mi
3:17:13
↑ 17↓ 861.7%
156 ft elev
23M
8:39/mi
3:28:03
↑ 23↓ 630.6%
116 ft elev
24M
8:37/mi
3:36:40
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:59/mi
3:44:21
↓ 200.3%
20 ft elev
25.2M
9:23/mi
3:47:35
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:41/mi
3:57:27
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:57:318:58 /mi⚡ faster
2nd Half
1:59:569:09 /mi+2.1%
Positive split — 2.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2827:178:4727:17
8:47
-
10K
6.21 mi11:56:3255:218:5428:04
9:02
+0:15
15K
9.32 mi12:24:341:23:238:5728:02
9:01
-0:01
20K
12.43 mi12:52:491:51:388:5928:15
9:06
+0:05
Half
13.11 mi12:58:421:57:318:585:53
8:37
-0:29
25K
15.53 mi13:20:342:19:238:5821:52
9:01
+0:24
30K
18.64 mi13:49:022:47:519:0028:28
9:10
+0:09
20M
20.00 mi14:01:563:00:459:0212:54
9:30
+0:20
21M
21.00 mi14:11:553:10:449:059:59
9:59
+0:29
35K
21.75 mi14:18:243:17:139:046:29
8:40
-1:19
23M
23.00 mi14:29:143:28:039:0310:50
8:39
-0:01
24M
24.00 mi14:37:513:36:409:028:37
8:37
-0:02
40K
24.85 mi14:45:323:44:219:027:41
8:59
+0:22
25.2M
25.20 mi14:48:463:47:359:023:14
9:23
+0:24
Finish
26.22 mi14:58:383:57:279:049:52
9:41
+0:18

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

8:37 /mi

Average Pace

9:04 /mi

Slowest Pace

9:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:24:42

86% of race

Time at Steady Pace

32:45

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:03 /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 mi11:28:2827:178:4727:17
8:47
#21399
10K
6.21 mi11:56:3255:218:5428:04
9:02
#21984
15K
9.32 mi12:24:341:23:238:5728:02
9:01
#22051
20K
12.43 mi12:52:491:51:388:5928:15
9:06
#21855
Half
13.11 mi12:58:421:57:318:585:53
8:37
#21759
25K
15.53 mi13:20:342:19:238:5821:52
9:01
#21439
30K
18.64 mi13:49:022:47:519:0028:28
9:10
#20888
20M
20.00 mi14:01:563:00:459:0212:54
9:30
#20741
21M
21.00 mi14:11:553:10:449:059:59
9:59
#20566
35K
21.75 mi14:18:243:17:139:046:29
8:40
#20450
23M
23.00 mi14:29:143:28:039:0310:50
8:39
#20127
24M
24.00 mi14:37:513:36:409:028:37
8:37
#19938
40K
24.85 mi14:45:323:44:219:027:41
8:59
#19805
25.2M
25.20 mi14:48:463:47:359:023:14
9:23
#19727
Finish
26.22 mi14:58:383:57:279:049:52
9:41
#19826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi213991303713037221331344513445
10K6.21 mi3.10 mi21984-58513322-28513322-285225121357813578
15K9.32 mi3.11 mi22051-6713361-3913361-39221331344513445
20K12.43 mi3.11 mi21855+19613269+9213269+92213971308113081
Half13.11 mi0.68 mi21759+9613226+4313226+43199011242812428
25K15.53 mi2.42 mi21439+32013089+13713089+137199801240112401
30K18.64 mi3.11 mi20888+55112803+28612803+286184741160411604
20M20.00 mi1.36 mi20741+14712721+8212721+82191321174911749
21M21.00 mi1.00 mi20566+17512626+9512626+95182331127411274
35K21.75 mi0.75 mi20450+11612556+7012556+70164701039310393
23M23.00 mi1.25 mi20127+32312381+17512381+1751425592909290
24M24.00 mi1.00 mi19938+18912271+11012271+1101525897119711
40K24.85 mi0.85 mi19805+13312193+7812193+78162191002310023
25.2M25.20 mi0.35 mi19727+7812154+3912154+391387989138913
Finish26.22 mi1.02 mi19826-9912187-3312187-33218391270312703

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

22133

Males

13445

M65-69

13445

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22512

Males

13578

M65-69

13578

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

22133

Males

13445

M65-69

13445

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21397

Males

13081

M65-69

13081

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

19901

Males

12428

M65-69

12428

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19980

Males

12401

M65-69

12401

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18474

Males

11604

M65-69

11604

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

19132

Males

11749

M65-69

11749

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18233

Males

11274

M65-69

11274

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16470

Males

10393

M65-69

10393

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14255

Males

9290

M65-69

9290

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15258

Males

9711

M65-69

9711

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16219

Males

10023

M65-69

10023

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13879

Males

8913

M65-69

8913

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21839

Males

12703

M65-69

12703

Passing Analysis

Category:
Athletes Passed
2785
Passed By
1212
Net Change
+1573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21399
5K → 10K91676-585#21399#21984
10K → 15K172239-67#21984#22051
15K → 20K27579+196#22051#21855
20K → Half971+96#21855#21759
Half → 25K33414+320#21759#21439
25K → 30K56110+551#21439#20888
30K → 20M17225+147#20888#20741
20M → 21M19621+175#20741#20566
21M → 35K1237+116#20566#20450
35K → 23M3241+323#20450#20127
23M → 24M1934+189#20127#19938
24M → 40K1396+133#19938#19805
40K → 25.2M813+78#19805#19727
25.2M → Finish27126-99#19727#19826
TOTALS27851212+1573

Passing Charts

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