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BOSTON MARATHON 2025

Leora Nosko-Passmore

Bib: 21220•F

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F45-49)
#0 / 1813
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:59
Rank: #19097
Start → 5K
25:59 | 8:22/mi
10K· 6.21 mi
51:59
Rank: #19037 (+60)
5K → 10K
26:00 | 8:22/mi
15K· 9.32 mi
1:17:46
Rank: #18680 (+357)
10K → 15K
25:47 | 8:18/mi
20K· 12.43 mi
1:43:55
Rank: #18401 (+279)
15K → 20K
26:09 | 8:25/mi
Half· 13.11 mi
1:49:39
Rank: #18403 (-2)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:10:08
Rank: #18113 (+290)
Half → 25K
20:29 | 8:27/mi
30K· 18.64 mi
2:37:08
Rank: #17668 (+445)
25K → 30K
27:00 | 8:41/mi
20M
2:49:05
Rank: #17484 (+184)
30K → 20M
11:57 | 8:48/mi
21M
2:58:19
Rank: #17300 (+184)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
3:04:23
Rank: #17136 (+164)
21M → 35K
6:04 | 8:07/mi
23M
3:15:13
Rank: #16935 (+201)
35K → 23M
10:50 | 8:39/mi
24M
3:23:42
Rank: #16812 (+123)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:31:40
Rank: #16846 (-34)
24M → 40K
7:58 | 9:19/mi
25.2M
3:35:18
Rank: #16907 (-61)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:44:36
Rank: #17032 (-125)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:39
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:54:57
Pace8:46 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5625:598:2225:59
8:22
-
10K
6.21 mi11:45:5651:598:2226:00
8:22
0:00
15K
9.32 mi12:11:431:17:468:2125:47
8:18
-0:04
20K
12.43 mi12:37:521:43:558:2226:09
8:25
+0:07
Half
13.11 mi12:43:361:49:398:225:44
8:24
-0:01
25K
15.53 mi13:04:052:10:088:2320:29
8:27
+0:03
30K
18.64 mi13:31:052:37:088:2627:00
8:41
+0:14
20M
20.00 mi13:43:022:49:058:2711:57
8:48
+0:07
21M
21.00 mi13:52:162:58:198:299:14
9:14
+0:26
35K
21.75 mi13:58:203:04:238:296:04
8:07
-1:07
23M
23.00 mi14:09:103:15:138:2910:50
8:39
+0:32
24M
24.00 mi14:17:393:23:428:298:29
8:29
-0:10
40K
24.85 mi14:25:373:31:408:317:58
9:19
+0:50
25.2M
25.20 mi14:29:153:35:188:333:38
10:32
+1:13
Finish
26.22 mi14:38:333:44:368:349:18
9:08
-1:24

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

8:07 /mi

Average Pace

8:34 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:04

3% of race

Time at Steady Pace

2:56:27

79% of race

Time at Slower Pace

42:05

19% of race

Average Pace: 8:34 /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 mi11:19:5625:598:2225:59
8:22
#19097
10K
6.21 mi11:45:5651:598:2226:00
8:22
#19037
15K
9.32 mi12:11:431:17:468:2125:47
8:18
#18680
20K
12.43 mi12:37:521:43:558:2226:09
8:25
#18401
Half
13.11 mi12:43:361:49:398:225:44
8:24
#18403
25K
15.53 mi13:04:052:10:088:2320:29
8:27
#18113
30K
18.64 mi13:31:052:37:088:2627:00
8:41
#17668
20M
20.00 mi13:43:022:49:058:2711:57
8:48
#17484
21M
21.00 mi13:52:162:58:198:299:14
9:14
#17300
35K
21.75 mi13:58:203:04:238:296:04
8:07
#17136
23M
23.00 mi14:09:103:15:138:2910:50
8:39
#16935
24M
24.00 mi14:17:393:23:428:298:29
8:29
#16812
40K
24.85 mi14:25:373:31:408:317:58
9:19
#16846
25.2M
25.20 mi14:29:153:35:188:333:38
10:32
#16907
Finish
26.22 mi14:38:333:44:368:349:18
9:08
#17032
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi190976958695818053(Top 64%)6351(Top 52%)6351(Top 350%)
10K6.21 mi3.10 mi19037+606925+336925+3319000(Top 67%)6881(Top 56%)6881(Top 380%)
15K9.32 mi3.11 mi18680+3576721+2046721+20418053(Top 64%)6351(Top 52%)6351(Top 350%)
20K12.43 mi3.11 mi18401+2796569+1526569+15217660(Top 62%)6144(Top 50%)6144(Top 339%)
Half13.11 mi0.68 mi18403-26565+46565+418629(Top 66%)6688(Top 55%)6688(Top 369%)
25K15.53 mi2.42 mi18113+2906423+1426423+14216875(Top 59%)5786(Top 47%)5786(Top 319%)
30K18.64 mi3.11 mi17668+4456218+2056218+20515963(Top 56%)5445(Top 45%)5445(Top 300%)
20M20.00 mi1.36 mi17484+1846142+766142+7615652(Top 55%)5396(Top 44%)5396(Top 298%)
21M21.00 mi1.00 mi17300+1846057+856057+8514852(Top 52%)5092(Top 42%)5092(Top 281%)
35K21.75 mi0.75 mi17136+1645984+735984+7313070(Top 46%)4218(Top 34%)4218(Top 233%)
23M23.00 mi1.25 mi16935+2015897+875897+8714293(Top 50%)4965(Top 41%)4965(Top 274%)
24M24.00 mi1.00 mi16812+1235847+505847+5014435(Top 51%)5062(Top 41%)5062(Top 279%)
40K24.85 mi0.85 mi16846-345903-565903-5617939(Top 63%)7093(Top 58%)7093(Top 391%)
25.2M25.20 mi0.35 mi16907-615947-445947-4419155(Top 67%)7710(Top 63%)7710(Top 425%)
Finish26.22 mi1.02 mi17032-1256040-936040-9319635(Top 69%)7932(Top 65%)7932(Top 438%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18053

Females

6351

F45-49

6351

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

19000

Females

6881

F45-49

6881

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18053

Females

6351

F45-49

6351

15K→20K

9.3 - 12.4 mi

Top 62%
×5stories
+106ft-86ft

Overall

17660

Females

6144

F45-49

6144

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18629

Females

6688

F45-49

6688

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

16875

Females

5786

F45-49

5786

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15963

Females

5445

F45-49

5445

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15652

Females

5396

F45-49

5396

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14852

Females

5092

F45-49

5092

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

13070

Females

4218

F45-49

4218

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

14293

Females

4965

F45-49

4965

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14435

Females

5062

F45-49

5062

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17939

Females

7093

F45-49

7093

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19155

Females

7710

F45-49

7710

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19635

Females

7932

F45-49

7932

Passing Analysis

Category:
Athletes Passed
2971
Passed By
906
Net Change
+2065
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19097
5K → 10K293233+60#19097#19037
10K → 15K40750+357#19037#18680
15K → 20K34566+279#18680#18401
20K → Half3234-2#18401#18403
Half → 25K33444+290#18403#18113
25K → 30K48136+445#18113#17668
30K → 20M21228+184#17668#17484
20M → 21M21026+184#17484#17300
21M → 35K1695+164#17300#17136
35K → 23M22726+201#17136#16935
23M → 24M13815+123#16935#16812
24M → 40K68102-34#16812#16846
40K → 25.2M1778-61#16846#16907
25.2M → Finish38163-125#16907#17032
TOTALS2971906+2065
📊

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