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BOSTON MARATHON 2025

Kaitlyn Mcnamara

Bib: 9692•F

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:11
Rank: #6478
Start → 5K
21:11 | 6:49/mi
10K· 6.21 mi
42:11
Rank: #6211 (+267)
5K → 10K
21:00 | 6:46/mi
15K· 9.32 mi
1:03:15
Rank: #6062 (+149)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:24:29
Rank: #5934 (+128)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:29:07
Rank: #5941 (-7)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:45:53
Rank: #5868 (+73)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:08:15
Rank: #5819 (+49)
25K → 30K
22:22 | 7:12/mi
20M
2:18:22
Rank: #5863 (-44)
30K → 20M
10:07 | 7:27/mi
21M
2:26:28
Rank: #5919 (-56)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:31:55
Rank: #5936 (-17)
21M → 35K
5:27 | 7:17/mi
23M
2:41:27
Rank: #5928 (+8)
35K → 23M
9:32 | 7:37/mi
24M
2:48:54
Rank: #5941 (-13)
23M → 24M
7:27 | 7:27/mi
40K· 24.85 mi
2:55:33
Rank: #5964 (-23)
24M → 40K
6:39 | 7:47/mi
25.2M
2:58:32
Rank: #5988 (-24)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:06:08
Rank: #6030 (-42)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:07
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:37:01
Pace7:24 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:0321:116:4921:11
6:49
-
10K
6.21 mi11:08:0342:116:4721:00
6:46
-0:03
15K
9.32 mi11:29:071:03:156:4721:04
6:47
+0:01
20K
12.43 mi11:50:211:24:296:4821:14
6:50
+0:03
Half
13.11 mi11:54:591:29:076:484:38
6:47
-0:03
25K
15.53 mi12:11:451:45:536:4916:46
6:55
+0:08
30K
18.64 mi12:34:072:08:156:5322:22
7:12
+0:17
20M
20.00 mi12:44:142:18:226:5510:07
7:27
+0:15
21M
21.00 mi12:52:202:26:286:588:06
8:06
+0:39
35K
21.75 mi12:57:472:31:556:595:27
7:17
-0:49
23M
23.00 mi13:07:192:41:277:019:32
7:37
+0:20
24M
24.00 mi13:14:462:48:547:027:27
7:27
-0:10
40K
24.85 mi13:21:252:55:337:046:39
7:47
+0:20
25.2M
25.20 mi13:24:242:58:327:052:59
8:39
+0:52
Finish
26.22 mi13:32:003:06:087:067:36
7:27
-1:12

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

6:46 /mi

Average Pace

7:06 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:53

57% of race

Time at Steady Pace

52:59

28% of race

Time at Slower Pace

27:16

15% of race

Average Pace: 7:06 /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 mi10:47:0321:116:4921:11
6:49
#6478
10K
6.21 mi11:08:0342:116:4721:00
6:46
#6211
15K
9.32 mi11:29:071:03:156:4721:04
6:47
#6062
20K
12.43 mi11:50:211:24:296:4821:14
6:50
#5934
Half
13.11 mi11:54:591:29:076:484:38
6:47
#5941
25K
15.53 mi12:11:451:45:536:4916:46
6:55
#5868
30K
18.64 mi12:34:072:08:156:5322:22
7:12
#5819
20M
20.00 mi12:44:142:18:226:5510:07
7:27
#5863
21M
21.00 mi12:52:202:26:286:588:06
8:06
#5919
35K
21.75 mi12:57:472:31:556:595:27
7:17
#5936
23M
23.00 mi13:07:192:41:277:019:32
7:37
#5928
24M
24.00 mi13:14:462:48:547:027:27
7:27
#5941
40K
24.85 mi13:21:252:55:337:046:39
7:47
#5964
25.2M
25.20 mi13:24:242:58:327:052:59
8:39
#5988
Finish
26.22 mi13:32:003:06:087:067:36
7:27
#6030
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi64785665665927(Top 21%)520(Top 4%)520(Top 10%)
10K6.21 mi3.10 mi6211+267511+55511+555981(Top 21%)497(Top 4%)497(Top 9%)
15K9.32 mi3.11 mi6062+149499+12499+125927(Top 21%)520(Top 4%)520(Top 10%)
20K12.43 mi3.11 mi5934+128492+7492+75665(Top 20%)487(Top 4%)487(Top 9%)
Half13.11 mi0.68 mi5941-7494-2494-26167(Top 22%)580(Top 5%)580(Top 11%)
25K15.53 mi2.42 mi5868+73503-9503-95793(Top 20%)549(Top 4%)549(Top 10%)
30K18.64 mi3.11 mi5819+49511-8511-85907(Top 21%)648(Top 5%)648(Top 12%)
20M20.00 mi1.36 mi5863-44535-24535-246676(Top 24%)1028(Top 8%)1028(Top 19%)
21M21.00 mi1.00 mi5919-56563-28563-287964(Top 28%)1703(Top 14%)1703(Top 31%)
35K21.75 mi0.75 mi5936-17575-12575-127155(Top 25%)1332(Top 11%)1332(Top 24%)
23M23.00 mi1.25 mi5928+8590-15590-157344(Top 26%)1543(Top 13%)1543(Top 28%)
24M24.00 mi1.00 mi5941-13610-20610-207366(Top 26%)1596(Top 13%)1596(Top 29%)
40K24.85 mi0.85 mi5964-23630-20630-208616(Top 30%)2268(Top 19%)2268(Top 41%)
25.2M25.20 mi0.35 mi5988-24643-13643-139727(Top 34%)2853(Top 23%)2853(Top 52%)
Finish26.22 mi1.02 mi6030-42677-34677-348900(Top 31%)2474(Top 20%)2474(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5927

Females

520

F18-39

520

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5981

Females

497

F18-39

497

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5927

Females

520

F18-39

520

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5665

Females

487

F18-39

487

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6167

Females

580

F18-39

580

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5793

Females

549

F18-39

549

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5907

Females

648

F18-39

648

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6676

Females

1028

F18-39

1028

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7964

Females

1703

F18-39

1703

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

7155

Females

1332

F18-39

1332

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7344

Females

1543

F18-39

1543

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

7366

Females

1596

F18-39

1596

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8616

Females

2268

F18-39

2268

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9727

Females

2853

F18-39

2853

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8900

Females

2474

F18-39

2474

Passing Analysis

Category:
Athletes Passed
1559
Passed By
1111
Net Change
+448
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6478
5K → 10K35285+267#6478#6211
10K → 15K21970+149#6211#6062
15K → 20K20173+128#6062#5934
20K → Half2027-7#5934#5941
Half → 25K16895+73#5941#5868
25K → 30K206157+49#5868#5819
30K → 20M5296-44#5819#5863
20M → 21M50106-56#5863#5919
21M → 35K3956-17#5919#5936
35K → 23M8678+8#5936#5928
23M → 24M5467-13#5928#5941
24M → 40K4568-23#5941#5964
40K → 25.2M1438-24#5964#5988
25.2M → Finish5395-42#5988#6030
TOTALS15591111+448
📊

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