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BOSTON MARATHON 2025

Nikki Cannon

Bib: 20388•F

TX

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
25:38
Rank: #18441
Start → 5K
25:38 | 8:15/mi
10K· 6.21 mi
51:55
Rank: #18967 (-526)
5K → 10K
26:17 | 8:28/mi
15K· 9.32 mi
1:18:25
Rank: #19114 (-147)
10K → 15K
26:30 | 8:32/mi
20K· 12.43 mi
1:45:26
Rank: #19178 (-64)
15K → 20K
27:01 | 8:42/mi
Half· 13.11 mi
1:51:20
Rank: #19221 (-43)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:14:53
Rank: #19961 (-740)
Half → 25K
23:33 | 9:43/mi
30K· 18.64 mi
2:51:06
Rank: #21664 (-1703)
25K → 30K
36:13 | 11:39/mi
20M
3:06:22
Rank: #21955 (-291)
30K → 20M
15:16 | 11:14/mi
21M
3:18:35
Rank: #22110 (-155)
20M → 21M
12:13 | 12:13/mi
35K· 21.75 mi
3:26:15
Rank: #22114 (-4)
21M → 35K
7:40 | 10:15/mi
23M
3:40:58
Rank: #22314 (-200)
35K → 23M
14:43 | 11:45/mi
24M
3:51:20
Rank: #22301 (+13)
23M → 24M
10:22 | 10:22/mi
40K· 24.85 mi
4:00:50
Rank: #22345 (-44)
24M → 40K
9:30 | 11:07/mi
25.2M
4:04:47
Rank: #22332 (+13)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:14:46
Rank: #22326 (+6)
25.2M → Finish
9:59 | 9:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:20
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:23:26
Pace10:56 /mi
📊Positive Split: 28.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0425:388:1525:38
8:15
-
10K
6.21 mi11:45:2151:558:2126:17
8:28
+0:13
15K
9.32 mi12:11:511:18:258:2526:30
8:32
+0:04
20K
12.43 mi12:38:521:45:268:2927:01
8:42
+0:10
Half
13.11 mi12:44:461:51:208:305:54
8:39
-0:03
25K
15.53 mi13:08:192:14:538:4123:33
9:43
+1:04
30K
18.64 mi13:44:322:51:069:1136:13
11:39
+1:56
20M
20.00 mi13:59:483:06:229:1915:16
11:14
-0:25
21M
21.00 mi14:12:013:18:359:2712:13
12:13
+0:59
35K
21.75 mi14:19:413:26:159:297:40
10:15
-1:58
23M
23.00 mi14:34:243:40:589:3614:43
11:45
+1:30
24M
24.00 mi14:44:463:51:209:3810:22
10:22
-1:23
40K
24.85 mi14:54:164:00:509:419:30
11:07
+0:45
25.2M
25.20 mi14:58:134:04:479:433:57
11:27
+0:20
Finish
26.22 mi15:08:124:14:469:439:59
9:48
-1:39

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

8:15 /mi

Average Pace

9:43 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:20

44% of race

Time at Steady Pace

51:34

20% of race

Time at Slower Pace

1:31:52

36% of race

Average Pace: 9:43 /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 mi11:19:0425:388:1525:38
8:15
#18441
10K
6.21 mi11:45:2151:558:2126:17
8:28
#18967
15K
9.32 mi12:11:511:18:258:2526:30
8:32
#19114
20K
12.43 mi12:38:521:45:268:2927:01
8:42
#19178
Half
13.11 mi12:44:461:51:208:305:54
8:39
#19221
25K
15.53 mi13:08:192:14:538:4123:33
9:43
#19961
30K
18.64 mi13:44:322:51:069:1136:13
11:39
#21664
20M
20.00 mi13:59:483:06:229:1915:16
11:14
#21955
21M
21.00 mi14:12:013:18:359:2712:13
12:13
#22110
35K
21.75 mi14:19:413:26:159:297:40
10:15
#22114
23M
23.00 mi14:34:243:40:589:3614:43
11:45
#22314
24M
24.00 mi14:44:463:51:209:3810:22
10:22
#22301
40K
24.85 mi14:54:164:00:509:419:30
11:07
#22345
25.2M
25.20 mi14:58:134:04:479:433:57
11:27
#22332
Finish
26.22 mi15:08:124:14:469:439:59
9:48
#22326
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi184416606660619521(Top 69%)7187(Top 59%)7187(Top 418%)
10K6.21 mi3.10 mi18967-5266888-2826888-28219589(Top 69%)7231(Top 59%)7231(Top 421%)
15K9.32 mi3.11 mi19114-1476968-806968-8019521(Top 69%)7187(Top 59%)7187(Top 418%)
20K12.43 mi3.11 mi19178-647007-397007-3919410(Top 68%)7146(Top 58%)7146(Top 416%)
Half13.11 mi0.68 mi19221-437037-307037-3020131(Top 71%)7571(Top 62%)7571(Top 441%)
25K15.53 mi2.42 mi19961-7407462-4257462-42522539(Top 79%)8952(Top 73%)8952(Top 521%)
30K18.64 mi3.11 mi21664-17038441-9798441-97925080(Top 88%)10451(Top 85%)10451(Top 608%)
20M20.00 mi1.36 mi21955-2918609-1688609-16824070(Top 85%)9988(Top 82%)9988(Top 581%)
21M21.00 mi1.00 mi22110-1558726-1178726-11723964(Top 84%)10012(Top 82%)10012(Top 583%)
35K21.75 mi0.75 mi22114-48742-168742-1622573(Top 79%)9321(Top 76%)9321(Top 543%)
23M23.00 mi1.25 mi22314-2008891-1498891-14924691(Top 87%)10442(Top 85%)10442(Top 608%)
24M24.00 mi1.00 mi22301+138906-158906-1522456(Top 79%)9369(Top 77%)9369(Top 545%)
40K24.85 mi0.85 mi22345-448948-428948-4223394(Top 82%)9893(Top 81%)9893(Top 576%)
25.2M25.20 mi0.35 mi22332+138946+28946+221964(Top 77%)9136(Top 75%)9136(Top 532%)
Finish26.22 mi1.02 mi22326+68961-158961-1522280(Top 78%)9313(Top 76%)9313(Top 542%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

19521

Females

7187

F40-44

7187

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19589

Females

7231

F40-44

7231

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

19521

Females

7187

F40-44

7187

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19410

Females

7146

F40-44

7146

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

20131

Females

7571

F40-44

7571

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22539

Females

8952

F40-44

8952

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25080

Females

10451

F40-44

10451

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24070

Females

9988

F40-44

9988

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23964

Females

10012

F40-44

10012

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22573

Females

9321

F40-44

9321

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24691

Females

10442

F40-44

10442

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22456

Females

9369

F40-44

9369

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23394

Females

9893

F40-44

9893

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

21964

Females

9136

F40-44

9136

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

22280

Females

9313

F40-44

9313

Passing Analysis

Category:
Athletes Passed
807
Passed By
4692
Net Change
-3885
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18441
5K → 10K95621-526#18441#18967
10K → 15K148295-147#18967#19114
15K → 20K172236-64#19114#19178
20K → Half2467-43#19178#19221
Half → 25K37777-740#19221#19961
25K → 30K221725-1703#19961#21664
30K → 20M24315-291#21664#21955
20M → 21M45200-155#21955#22110
21M → 35K4246-4#22110#22114
35K → 23M40240-200#22114#22314
23M → 24M6350+13#22314#22301
24M → 40K2872-44#22301#22345
40K → 25.2M229+13#22345#22332
25.2M → Finish4539+6#22332#22326
TOTALS8074692-3885
📊

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