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BOSTON MARATHON 2025

Mackenzie Allen

Bib: 16480•F

AZ

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 49%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:13
Rank: #19530
Start → 5K
26:13 | 8:26/mi
10K· 6.21 mi
51:05
Rank: #18116 (+1414)
5K → 10K
24:52 | 8:00/mi
15K· 9.32 mi
1:16:22
Rank: #17723 (+393)
10K → 15K
25:17 | 8:08/mi
20K· 12.43 mi
1:41:17
Rank: #17038 (+685)
15K → 20K
24:55 | 8:01/mi
Half· 13.11 mi
1:46:45
Rank: #16978 (+60)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:06:42
Rank: #16686 (+292)
Half → 25K
19:57 | 8:14/mi
30K· 18.64 mi
2:33:03
Rank: #16286 (+400)
25K → 30K
26:21 | 8:29/mi
20M
2:45:41
Rank: #16397 (-111)
30K → 20M
12:38 | 9:18/mi
21M
2:55:26
Rank: #16413 (-16)
20M → 21M
9:45 | 9:45/mi
35K· 21.75 mi
3:01:43
Rank: #16320 (+93)
21M → 35K
6:17 | 8:24/mi
23M
3:14:04
Rank: #16601 (-281)
35K → 23M
12:21 | 9:52/mi
24M
3:23:42
Rank: #16810 (-209)
23M → 24M
9:38 | 9:38/mi
40K· 24.85 mi
3:31:10
Rank: #16717 (+93)
24M → 40K
7:28 | 8:44/mi
25.2M
3:35:17
Rank: #16899 (-182)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
3:43:51
Rank: #16856 (+43)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:45
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:57:06
Pace8:56 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:3326:138:2626:13
8:26
-
10K
6.21 mi11:25:2551:058:1324:52
8:00
-0:26
15K
9.32 mi11:50:421:16:228:1225:17
8:08
+0:08
20K
12.43 mi12:15:371:41:178:0924:55
8:01
-0:07
Half
13.11 mi12:21:051:46:458:095:28
8:01
0:00
25K
15.53 mi12:41:022:06:428:0919:57
8:14
+0:13
30K
18.64 mi13:07:232:33:038:1326:21
8:29
+0:15
20M
20.00 mi13:20:012:45:418:1712:38
9:18
+0:49
21M
21.00 mi13:29:462:55:268:219:45
9:45
+0:27
35K
21.75 mi13:36:033:01:438:216:17
8:24
-1:21
23M
23.00 mi13:48:243:14:048:2612:21
9:52
+1:28
24M
24.00 mi13:58:023:23:428:299:38
9:38
-0:14
40K
24.85 mi14:05:303:31:108:307:28
8:44
-0:54
25.2M
25.20 mi14:09:373:35:178:334:07
11:56
+3:12
Finish
26.22 mi14:18:113:43:518:338:34
8:24
-3:32

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

8:00 /mi

Average Pace

8:33 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:55:22

78% of race

Time at Slower Pace

48:29

22% of race

Average Pace: 8:32 /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 mi11:00:3326:138:2626:13
8:26
#19530
10K
6.21 mi11:25:2551:058:1324:52
8:00
#18116
15K
9.32 mi11:50:421:16:228:1225:17
8:08
#17723
20K
12.43 mi12:15:371:41:178:0924:55
8:01
#17038
Half
13.11 mi12:21:051:46:458:095:28
8:01
#16978
25K
15.53 mi12:41:022:06:428:0919:57
8:14
#16686
30K
18.64 mi13:07:232:33:038:1326:21
8:29
#16286
20M
20.00 mi13:20:012:45:418:1712:38
9:18
#16397
21M
21.00 mi13:29:462:55:268:219:45
9:45
#16413
35K
21.75 mi13:36:033:01:438:216:17
8:24
#16320
23M
23.00 mi13:48:243:14:048:2612:21
9:52
#16601
24M
24.00 mi13:58:023:23:428:299:38
9:38
#16810
40K
24.85 mi14:05:303:31:108:307:28
8:44
#16717
25.2M
25.20 mi14:09:373:35:178:334:07
11:56
#16899
Finish
26.22 mi14:18:113:43:518:338:34
8:24
#16856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi195307213721317008(Top 60%)5737(Top 47%)5737(Top 105%)
10K6.21 mi3.10 mi18116+14146401+8126401+81216533(Top 58%)5443(Top 45%)5443(Top 100%)
15K9.32 mi3.11 mi17723+3936159+2426159+24217008(Top 60%)5737(Top 47%)5737(Top 105%)
20K12.43 mi3.11 mi17038+6855765+3945765+39415101(Top 53%)4699(Top 38%)4699(Top 86%)
Half13.11 mi0.68 mi16978+605732+335732+3316094(Top 57%)5255(Top 43%)5255(Top 96%)
25K15.53 mi2.42 mi16686+2925579+1535579+15315502(Top 55%)5028(Top 41%)5028(Top 92%)
30K18.64 mi3.11 mi16286+4005406+1735406+17314645(Top 52%)4710(Top 39%)4710(Top 86%)
20M20.00 mi1.36 mi16397-1115494-885494-8818289(Top 64%)6880(Top 56%)6880(Top 126%)
21M21.00 mi1.00 mi16413-165535-415535-4117270(Top 61%)6410(Top 52%)6410(Top 117%)
35K21.75 mi0.75 mi16320+935498+375498+3714901(Top 52%)5190(Top 42%)5190(Top 95%)
23M23.00 mi1.25 mi16601-2815696-1985696-19820018(Top 70%)8059(Top 66%)8059(Top 147%)
24M24.00 mi1.00 mi16810-2095845-1495845-14920131(Top 71%)8145(Top 67%)8145(Top 149%)
40K24.85 mi0.85 mi16717+935824+215824+2114849(Top 52%)5446(Top 45%)5446(Top 100%)
25.2M25.20 mi0.35 mi16899-1825943-1195943-11923106(Top 81%)9704(Top 79%)9704(Top 177%)
Finish26.22 mi1.02 mi16856+435940+35940+315657(Top 55%)5839(Top 48%)5839(Top 107%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17008

Females

5737

F18-39

5737

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16533

Females

5443

F18-39

5443

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17008

Females

5737

F18-39

5737

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

15101

Females

4699

F18-39

4699

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16094

Females

5255

F18-39

5255

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15502

Females

5028

F18-39

5028

25K→30K

15.5 - 18.6 mi

Top 52%
×9stories
+181ft-148ft

Overall

14645

Females

4710

F18-39

4710

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18289

Females

6880

F18-39

6880

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17270

Females

6410

F18-39

6410

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14901

Females

5190

F18-39

5190

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

20018

Females

8059

F18-39

8059

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

20131

Females

8145

F18-39

8145

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14849

Females

5446

F18-39

5446

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

23106

Females

9704

F18-39

9704

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15657

Females

5839

F18-39

5839

Passing Analysis

Category:
Athletes Passed
3996
Passed By
1322
Net Change
+2674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19530
5K → 10K142915+1414#19530#18116
10K → 15K44249+393#18116#17723
15K → 20K6883+685#17723#17038
20K → Half7010+60#17038#16978
Half → 25K31826+292#16978#16686
25K → 30K45050+400#16686#16286
30K → 20M74185-111#16286#16397
20M → 21M104120-16#16397#16413
21M → 35K10815+93#16413#16320
35K → 23M50331-281#16320#16601
23M → 24M30239-209#16601#16810
24M → 40K12835+93#16810#16717
40K → 25.2M6188-182#16717#16899
25.2M → Finish9956+43#16899#16856
TOTALS39961322+2674
📊

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