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BOSTON MARATHON 2025

Nancy Smith

Bib: 22781•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 39%
Division (F65-69)
#0 / 222
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:14
Rank: #17528
Start → 5K
8:07/mi
25:14 split
10K· 6.21 mi
50:56
Rank: #17969 (-441)
5K → 10K
8:16/mi
25:42 split
15K· 9.32 mi
1:16:59
Rank: #18154 (-185)
10K → 15K
8:23/mi
26:03 split
20K· 12.43 mi
1:43:50
Rank: #18348 (-194)
15K → 20K
8:39/mi
26:51 split
Half· 13.11 mi
1:49:36
Rank: #18373 (-25)
20K → Half
8:27/mi
5:46 split
25K· 15.53 mi
2:10:23
Rank: #18219 (+154)
Half → 25K
8:34/mi
20:47 split
30K· 18.64 mi
2:37:56
Rank: #17922 (+297)
25K → 30K
8:52/mi
27:33 split
20M
2:49:59
Rank: #17775 (+147)
30K → 20M
8:52/mi
12:03 split
21M
2:58:58
Rank: #17507 (+268)
20M → 21M
8:59/mi
8:59 split
35K· 21.75 mi
3:05:32
Rank: #17483 (+24)
21M → 35K
8:47/mi
6:34 split
23M
3:16:22
Rank: #17274 (+209)
35K → 23M
8:39/mi
10:50 split
24M
3:25:02
Rank: #17178 (+96)
23M → 24M
8:40/mi
8:40 split
40K· 24.85 mi
3:33:07
Rank: #17247 (-69)
24M → 40K
9:27/mi
8:05 split
25.2M
3:36:39
Rank: #17263 (-16)
40K → 25.2M
10:15/mi
3:32 split
Finish· 26.22 mi
3:45:06
Rank: #17162 (+101)
25.2M → Finish
8:18/mi
8:27 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:36
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:55:30
Pace8:49 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3825:148:0725:14
8:07
-
10K
6.21 mi11:47:2050:568:1225:42
8:16
+0:09
15K
9.32 mi12:13:231:16:598:1626:03
8:23
+0:07
20K
12.43 mi12:40:141:43:508:2126:51
8:39
+0:16
Half
13.11 mi12:46:001:49:368:225:46
8:27
-0:12
25K
15.53 mi13:06:472:10:238:2420:47
8:34
+0:07
30K
18.64 mi13:34:202:37:568:2827:33
8:52
+0:18
20M
20.00 mi13:46:232:49:598:3012:03
8:52
0:00
21M
21.00 mi13:55:222:58:588:318:59
8:59
+0:07
35K
21.75 mi14:01:563:05:328:326:34
8:47
-0:12
23M
23.00 mi14:12:463:16:228:3210:50
8:39
-0:08
24M
24.00 mi14:21:263:25:028:338:40
8:40
+0:01
40K
24.85 mi14:29:313:33:078:348:05
9:27
+0:47
25.2M
25.20 mi14:33:033:36:398:363:32
10:15
+0:48
Finish
26.22 mi14:41:303:45:068:358:27
8:18
-1:57

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

8:35 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:26

38% of race

Time at Steady Pace

1:59:04

53% of race

Time at Slower Pace

20:36

9% of race

Average Pace: 8:35 /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 mi11:21:3825:148:0725:14
8:07
#17528
10K
6.21 mi11:47:2050:568:1225:42
8:16
#17969
15K
9.32 mi12:13:231:16:598:1626:03
8:23
#18154
20K
12.43 mi12:40:141:43:508:2126:51
8:39
#18348
Half
13.11 mi12:46:001:49:368:225:46
8:27
#18373
25K
15.53 mi13:06:472:10:238:2420:47
8:34
#18219
30K
18.64 mi13:34:202:37:568:2827:33
8:52
#17922
20M
20.00 mi13:46:232:49:598:3012:03
8:52
#17775
21M
21.00 mi13:55:222:58:588:318:59
8:59
#17507
35K
21.75 mi14:01:563:05:328:326:34
8:47
#17483
23M
23.00 mi14:12:463:16:228:3210:50
8:39
#17274
24M
24.00 mi14:21:263:25:028:338:40
8:40
#17178
40K
24.85 mi14:29:313:33:078:348:05
9:27
#17247
25.2M
25.20 mi14:33:033:36:398:363:32
10:15
#17263
Finish
26.22 mi14:41:303:45:068:358:27
8:18
#17162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi175286047604718614(Top 66%)6667(Top 55%)6667(Top 3003%)
10K6.21 mi3.10 mi17969-4416307-2606307-26018378(Top 65%)6528(Top 53%)6528(Top 2941%)
15K9.32 mi3.11 mi18154-1856422-1156422-11518614(Top 66%)6667(Top 55%)6667(Top 3003%)
20K12.43 mi3.11 mi18348-1946538-1166538-11619093(Top 67%)6962(Top 57%)6962(Top 3136%)
Half13.11 mi0.68 mi18373-256552-146552-1418910(Top 67%)6833(Top 56%)6833(Top 3078%)
25K15.53 mi2.42 mi18219+1546483+696483+6917638(Top 62%)6213(Top 51%)6213(Top 2799%)
30K18.64 mi3.11 mi17922+2976354+1296354+12916993(Top 60%)6024(Top 49%)6024(Top 2714%)
20M20.00 mi1.36 mi17775+1476302+526302+5216065(Top 57%)5633(Top 46%)5633(Top 2537%)
21M21.00 mi1.00 mi17507+2686174+1286174+12813444(Top 47%)4350(Top 36%)4350(Top 1959%)
35K21.75 mi0.75 mi17483+246179-56179-517157(Top 60%)6436(Top 53%)6436(Top 2899%)
23M23.00 mi1.25 mi17274+2096100+796100+7914294(Top 50%)4966(Top 41%)4966(Top 2237%)
24M24.00 mi1.00 mi17178+966062+386062+3815566(Top 55%)5679(Top 46%)5679(Top 2558%)
40K24.85 mi0.85 mi17247-696128-666128-6618540(Top 65%)7396(Top 60%)7396(Top 3332%)
25.2M25.20 mi0.35 mi17263-166148-206148-2018115(Top 64%)7190(Top 59%)7190(Top 3239%)
Finish26.22 mi1.02 mi17162+1016111+376111+3714904(Top 52%)5432(Top 44%)5432(Top 2447%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18614

Females

6667

F65-69

6667

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18378

Females

6528

F65-69

6528

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18614

Females

6667

F65-69

6667

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

19093

Females

6962

F65-69

6962

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

18910

Females

6833

F65-69

6833

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

17638

Females

6213

F65-69

6213

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16993

Females

6024

F65-69

6024

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16065

Females

5633

F65-69

5633

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13444

Females

4350

F65-69

4350

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17157

Females

6436

F65-69

6436

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14294

Females

4966

F65-69

4966

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15566

Females

5679

F65-69

5679

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18540

Females

7396

F65-69

7396

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18115

Females

7190

F65-69

7190

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14904

Females

5432

F65-69

5432

Passing Analysis

Category:
Athletes Passed
2147
Passed By
1781
Net Change
+366
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17528
5K → 10K134575-441#17528#17969
10K → 15K119304-185#17969#18154
15K → 20K138332-194#18154#18348
20K → Half2954-25#18348#18373
Half → 25K24389+154#18373#18219
25K → 30K38992+297#18219#17922
30K → 20M19144+147#17922#17775
20M → 21M2735+268#17775#17507
21M → 35K8056+24#17507#17483
35K → 23M22516+209#17483#17274
23M → 24M13034+96#17274#17178
24M → 40K46115-69#17178#17247
40K → 25.2M3248-16#17247#17263
25.2M → Finish11817+101#17263#17162
TOTALS21471781+366
📊

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