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BOSTON MARATHON 2026

Laura Heintz

NY

Bib: 10523 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 16%
Gender (Female)
#0 / 12578
Top 3%
Masters (Masters Women)
#0 / 6862
Top 0.5%
Division (F45-49)
#0 / 1786
Top 0.4%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 2
Mile 4
Mile 8
Mile 10
Mile 14
Start
0:00
Race begins
5K· 3.11 mi
6:44/mi
20:55
↑ 97↓ 345
10K· 6.21 mi
6:43/mi
41:47
↑ 79↓ 138
15K· 9.32 mi
6:42/mi
1:02:33
↑ 67↓ 78
20K· 12.43 mi
6:45/mi
1:23:31
↑ 106↓ 86
HALF· 13.11 mi
6:38/mi
1:28:02
↑ 19↓ 37
25K· 15.53 mi
6:42/mi
1:44:16
↑ 66↓ 88
30K· 18.64 mi
6:51/mi
2:05:32
↑ 181↓ 148
20M
6:52/mi
2:14:51
↑ 64↓ 50
21M
7:10/mi
2:22:01
↑ 106↓ 24
35K· 21.75 mi
6:36/mi
2:26:57
↑ 17↓ 86
23M
6:47/mi
2:35:26
↑ 23↓ 63
24M
6:37/mi
2:42:03
↓ 82
40K· 24.85 mi
6:38/mi
2:47:43
↓ 20
25.2M
7:18/mi
2:50:14
↑ 13↓ 16
FINISH· 26.22 mi
6:31/mi
2:56:52
↑ 22↓ 21
Course Elevation
890ft
Total climb
462ft
Range
7 to 469 ft
1,342ft
Total descent
About the height of two redwood trees

The Course

Half Splits

1st Half· via HALF
1:28:026:43 /mi⚖️ balanced
2nd Half
1:28:506:47 /mi⚖️ balanced
Even split — consistent pacing between halves
AI Race Performance Report

Laura's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:556:443.11 mi20:55
6:44
-
10K
41:476:443.10 mi20:52
6:43
-0:01
15K
1:02:336:433.11 mi20:46
6:42
-0:01
20K
1:23:316:443.11 mi20:58
6:45
+0:03
HALF(13.11 mi)
1:28:026:430.68 mi4:31
6:38
-0:07
25K
1:44:166:432.42 mi16:14
6:42
+0:04
30K
2:05:326:453.11 mi21:16
6:51
+0:09
20M
2:14:516:451.36 mi9:19
6:52
+0:01
21M
2:22:016:461.00 mi7:10
7:10
+0:18
35K
2:26:576:460.75 mi4:56
6:36
-0:34
23M
2:35:266:461.25 mi8:29
6:47
+0:11
24M
2:42:036:461.00 mi6:37
6:37
-0:10
40K
2:47:436:450.85 mi5:40
6:38
+0:01
25.2M
2:50:146:460.35 mi2:31
7:18
+0:40
FINISH(26.22 mi)
2:56:526:461.02 mi6:38
6:31
-0:47
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Laura's race

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing