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BOSTON MARATHON 2025

Nikkol Zanes

Bib: 16242•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #14119
Start → 5K
7:43/mi
23:58 split
10K· 6.21 mi
48:54
Rank: #15420 (-1301)
5K → 10K
8:02/mi
24:56 split
15K· 9.32 mi
1:14:47
Rank: #16508 (-1088)
10K → 15K
8:20/mi
25:53 split
20K· 12.43 mi
1:42:27
Rank: #17644 (-1136)
15K → 20K
8:54/mi
27:40 split
Half· 13.11 mi
1:48:24
Rank: #17801 (-157)
20K → Half
8:43/mi
5:57 split
25K· 15.53 mi
2:16:10
Rank: #20439 (-2638)
Half → 25K
11:27/mi
27:46 split
30K· 18.64 mi
2:52:29
Rank: #21987 (-1548)
25K → 30K
11:41/mi
36:19 split
20M
3:08:38
Rank: #22350 (-363)
30K → 20M
11:53/mi
16:09 split
21M
3:23:09
Rank: #22798 (-448)
20M → 21M
14:31/mi
14:31 split
35K· 21.75 mi
3:30:37
Rank: #22749 (+49)
21M → 35K
9:59/mi
7:28 split
23M
3:43:51
Rank: #22697 (+52)
35K → 23M
10:34/mi
13:14 split
24M
3:54:42
Rank: #22725 (-28)
23M → 24M
10:51/mi
10:51 split
40K· 24.85 mi
4:04:04
Rank: #22732 (-7)
24M → 40K
10:57/mi
9:22 split
25.2M
4:08:24
Rank: #22766 (-34)
40K → 25.2M
12:34/mi
4:20 split
Finish· 26.22 mi
4:19:08
Rank: #22851 (-85)
25.2M → Finish
10:32/mi
10:44 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:24
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time2:30:44
Pace11:30 /mi
📊Positive Split: 39.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:0323:587:4323:58
7:43
-
10K
6.21 mi11:21:5948:547:5224:56
8:02
+0:19
15K
9.32 mi11:47:521:14:478:0125:53
8:20
+0:18
20K
12.43 mi12:15:321:42:278:1527:40
8:54
+0:34
Half
13.11 mi12:21:291:48:248:165:57
8:43
-0:11
25K
15.53 mi12:49:152:16:108:4627:46
11:27
+2:44
30K
18.64 mi13:25:342:52:299:1536:19
11:41
+0:14
20M
20.00 mi13:41:433:08:389:2616:09
11:53
+0:12
21M
21.00 mi13:56:143:23:099:4014:31
14:31
+2:38
35K
21.75 mi14:03:423:30:379:417:28
9:59
-4:32
23M
23.00 mi14:16:563:43:519:4413:14
10:34
+0:35
24M
24.00 mi14:27:473:54:429:4710:51
10:51
+0:17
40K
24.85 mi14:37:094:04:049:499:22
10:57
+0:06
25.2M
25.20 mi14:41:294:08:249:514:20
12:34
+1:37
Finish
26.22 mi14:52:134:19:089:5310:44
10:32
-2:02

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

7:43 /mi

Average Pace

9:53 /mi

Slowest Pace

14:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:24

42% of race

Time at Steady Pace

1:19:25

31% of race

Time at Slower Pace

1:11:19

28% of race

Average Pace: 9:53 /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 mi10:57:0323:587:4323:58
7:43
#14119
10K
6.21 mi11:21:5948:547:5224:56
8:02
#15420
15K
9.32 mi11:47:521:14:478:0125:53
8:20
#16508
20K
12.43 mi12:15:321:42:278:1527:40
8:54
#17644
Half
13.11 mi12:21:291:48:248:165:57
8:43
#17801
25K
15.53 mi12:49:152:16:108:4627:46
11:27
#20439
30K
18.64 mi13:25:342:52:299:1536:19
11:41
#21987
20M
20.00 mi13:41:433:08:389:2616:09
11:53
#22350
21M
21.00 mi13:56:143:23:099:4014:31
14:31
#22798
35K
21.75 mi14:03:423:30:379:417:28
9:59
#22749
23M
23.00 mi14:16:563:43:519:4413:14
10:34
#22697
24M
24.00 mi14:27:473:54:429:4710:51
10:51
#22725
40K
24.85 mi14:37:094:04:049:499:22
10:57
#22732
25.2M
25.20 mi14:41:294:08:249:514:20
12:34
#22766
Finish
26.22 mi14:52:134:19:089:5310:44
10:32
#22851
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi141193990399018281(Top 64%)6488(Top 53%)6488(Top 378%)
10K6.21 mi3.10 mi15420-13014789-7994789-79916685(Top 59%)5536(Top 45%)5536(Top 322%)
15K9.32 mi3.11 mi16508-10885439-6505439-65018281(Top 64%)6488(Top 53%)6488(Top 378%)
20K12.43 mi3.11 mi17644-11366125-6866125-68620519(Top 72%)7787(Top 64%)7787(Top 453%)
Half13.11 mi0.68 mi17801-1576235-1106235-11020562(Top 72%)7810(Top 64%)7810(Top 455%)
25K15.53 mi2.42 mi20439-26387736-15017736-150125801(Top 91%)10749(Top 88%)10749(Top 626%)
30K18.64 mi3.11 mi21987-15488618-8828618-88225127(Top 88%)10471(Top 86%)10471(Top 609%)
20M20.00 mi1.36 mi22350-3638846-2288846-22825101(Top 88%)10532(Top 86%)10532(Top 613%)
21M21.00 mi1.00 mi22798-4489117-2719117-27126726(Top 94%)11430(Top 93%)11430(Top 665%)
35K21.75 mi0.75 mi22749+499102+159102+1521868(Top 77%)8976(Top 73%)8976(Top 522%)
23M23.00 mi1.25 mi22697+529099+39099+322191(Top 78%)9166(Top 75%)9166(Top 534%)
24M24.00 mi1.00 mi22725-289133-349133-3423678(Top 83%)9965(Top 81%)9965(Top 580%)
40K24.85 mi0.85 mi22732-79154-219154-2123053(Top 81%)9733(Top 80%)9733(Top 567%)
25.2M25.20 mi0.35 mi22766-349183-299183-2924346(Top 86%)10341(Top 85%)10341(Top 602%)
Finish26.22 mi1.02 mi22851-859246-639246-6324358(Top 86%)10335(Top 85%)10335(Top 602%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18281

Females

6488

F40-44

6488

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16685

Females

5536

F40-44

5536

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18281

Females

6488

F40-44

6488

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20519

Females

7787

F40-44

7787

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

20562

Females

7810

F40-44

7810

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25801

Females

10749

F40-44

10749

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25127

Females

10471

F40-44

10471

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

25101

Females

10532

F40-44

10532

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

26726

Females

11430

F40-44

11430

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21868

Females

8976

F40-44

8976

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

22191

Females

9166

F40-44

9166

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23678

Females

9965

F40-44

9965

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

23053

Females

9733

F40-44

9733

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24346

Females

10341

F40-44

10341

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

24358

Females

10335

F40-44

10335

Passing Analysis

Category:
Athletes Passed
470
Passed By
9202
Net Change
-8732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14119
5K → 10K411342-1301#14119#15420
10K → 15K281116-1088#15420#16508
15K → 20K381174-1136#16508#17644
20K → Half11168-157#17644#17801
Half → 25K12639-2638#17801#20439
25K → 30K251573-1548#20439#21987
30K → 20M26389-363#21987#22350
20M → 21M12460-448#22350#22798
21M → 35K7122+49#22798#22749
35K → 23M10048+52#22749#22697
23M → 24M4371-28#22697#22725
24M → 40K4350-7#22725#22732
40K → 25.2M1246-34#22732#22766
25.2M → Finish19104-85#22766#22851
TOTALS4709202-8732
📊

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