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BOSTON MARATHON 2025

Mackenzie Bright

Bib: 17080•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
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
24:02
Rank: #14276
Start → 5K
24:02 | 7:44/mi
10K· 6.21 mi
48:10
Rank: #14346 (-70)
5K → 10K
24:08 | 7:46/mi
15K· 9.32 mi
1:12:23
Rank: #14347 (-1)
10K → 15K
24:13 | 7:48/mi
20K· 12.43 mi
1:37:04
Rank: #14358 (-11)
15K → 20K
24:41 | 7:57/mi
Half· 13.11 mi
1:42:53
Rank: #14663 (-305)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:02:24
Rank: #14549 (+114)
Half → 25K
19:31 | 8:03/mi
30K· 18.64 mi
2:29:56
Rank: #15094 (-545)
25K → 30K
27:32 | 8:52/mi
20M
2:41:31
Rank: #14950 (+144)
30K → 20M
11:35 | 8:31/mi
21M
2:52:26
Rank: #15477 (-527)
20M → 21M
10:55 | 10:55/mi
35K· 21.75 mi
2:59:12
Rank: #15601 (-124)
21M → 35K
6:46 | 9:03/mi
23M
3:10:46
Rank: #15675 (-74)
35K → 23M
11:34 | 9:14/mi
24M
3:19:43
Rank: #15705 (-30)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:27:56
Rank: #15856 (-151)
24M → 40K
8:13 | 9:37/mi
25.2M
3:31:47
Rank: #15980 (-124)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
3:40:09
Rank: #15908 (+72)
25.2M → Finish
8:22 | 8:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:53
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:57:16
Pace8:57 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2324:027:4424:02
7:44
-
10K
6.21 mi11:38:3148:107:4524:08
7:46
+0:02
15K
9.32 mi12:02:441:12:237:4624:13
7:48
+0:02
20K
12.43 mi12:27:251:37:047:4924:41
7:57
+0:09
Half
13.11 mi12:33:141:42:537:515:49
8:32
+0:35
25K
15.53 mi12:52:452:02:247:5319:31
8:03
-0:29
30K
18.64 mi13:20:172:29:568:0327:32
8:52
+0:49
20M
20.00 mi13:31:522:41:318:0511:35
8:31
-0:21
21M
21.00 mi13:42:472:52:268:1310:55
10:55
+2:24
35K
21.75 mi13:49:332:59:128:146:46
9:03
-1:52
23M
23.00 mi14:01:073:10:468:1811:34
9:14
+0:11
24M
24.00 mi14:10:043:19:438:198:57
8:57
-0:17
40K
24.85 mi14:18:173:27:568:228:13
9:37
+0:40
25.2M
25.20 mi14:22:083:31:478:243:51
11:10
+1:33
Finish
26.22 mi14:30:303:40:098:248:22
8:13
-2:57

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

7:44 /mi

Average Pace

8:24 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:04

44% of race

Time at Steady Pace

1:21:46

37% of race

Time at Slower Pace

41:19

19% of race

Average Pace: 8:24 /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 mi11:14:2324:027:4424:02
7:44
#14276
10K
6.21 mi11:38:3148:107:4524:08
7:46
#14346
15K
9.32 mi12:02:441:12:237:4624:13
7:48
#14347
20K
12.43 mi12:27:251:37:047:4924:41
7:57
#14358
Half
13.11 mi12:33:141:42:537:515:49
8:32
#14663
25K
15.53 mi12:52:452:02:247:5319:31
8:03
#14549
30K
18.64 mi13:20:172:29:568:0327:32
8:52
#15094
20M
20.00 mi13:31:522:41:318:0511:35
8:31
#14950
21M
21.00 mi13:42:472:52:268:1310:55
10:55
#15477
35K
21.75 mi13:49:332:59:128:146:46
9:03
#15601
23M
23.00 mi14:01:073:10:468:1811:34
9:14
#15675
24M
24.00 mi14:10:043:19:438:198:57
8:57
#15705
40K
24.85 mi14:18:173:27:568:228:13
9:37
#15856
25.2M
25.20 mi14:22:083:31:478:243:51
11:10
#15980
Finish
26.22 mi14:30:303:40:098:248:22
8:13
#15908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi142764086408614351(Top 51%)4239(Top 35%)4239(Top 78%)
10K6.21 mi3.10 mi14346-704150-644150-6414536(Top 51%)4273(Top 35%)4273(Top 78%)
15K9.32 mi3.11 mi14347-14169-194169-1914351(Top 51%)4239(Top 35%)4239(Top 78%)
20K12.43 mi3.11 mi14358-114210-414210-4114513(Top 51%)4375(Top 36%)4375(Top 80%)
Half13.11 mi0.68 mi14663-3054389-1794389-17919370(Top 68%)7091(Top 58%)7091(Top 130%)
25K15.53 mi2.42 mi14549+1144364+254364+2514295(Top 50%)4371(Top 36%)4371(Top 80%)
30K18.64 mi3.11 mi15094-5454721-3574721-35716961(Top 60%)6008(Top 49%)6008(Top 110%)
20M20.00 mi1.36 mi14950+1444669+524669+5213967(Top 49%)4502(Top 37%)4502(Top 82%)
21M21.00 mi1.00 mi15477-5275003-3345003-33421170(Top 75%)8531(Top 70%)8531(Top 156%)
35K21.75 mi0.75 mi15601-1245092-895092-8918455(Top 65%)7155(Top 59%)7155(Top 131%)
23M23.00 mi1.25 mi15675-745178-865178-8617511(Top 62%)6730(Top 55%)6730(Top 123%)
24M24.00 mi1.00 mi15705-305211-335211-3317123(Top 60%)6558(Top 54%)6558(Top 120%)
40K24.85 mi0.85 mi15856-1515319-1085319-10819130(Top 67%)7692(Top 63%)7692(Top 141%)
25.2M25.20 mi0.35 mi15980-1245408-895408-8921129(Top 74%)8712(Top 71%)8712(Top 159%)
Finish26.22 mi1.02 mi15908+725383+255383+2514368(Top 51%)5141(Top 42%)5141(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14351

Females

4239

F18-39

4239

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14536

Females

4273

F18-39

4273

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14351

Females

4239

F18-39

4239

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

14513

Females

4375

F18-39

4375

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19370

Females

7091

F18-39

7091

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14295

Females

4371

F18-39

4371

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

16961

Females

6008

F18-39

6008

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13967

Females

4502

F18-39

4502

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21170

Females

8531

F18-39

8531

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18455

Females

7155

F18-39

7155

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17511

Females

6730

F18-39

6730

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17123

Females

6558

F18-39

6558

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19130

Females

7692

F18-39

7692

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

21129

Females

8712

F18-39

8712

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14368

Females

5141

F18-39

5141

Passing Analysis

Category:
Athletes Passed
1573
Passed By
3205
Net Change
-1632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14276
5K → 10K254324-70#14276#14346
10K → 15K200201-1#14346#14347
15K → 20K212223-11#14347#14358
20K → Half4309-305#14358#14663
Half → 25K225111+114#14663#14549
25K → 30K116661-545#14549#15094
30K → 20M20157+144#15094#14950
20M → 21M32559-527#14950#15477
21M → 35K30154-124#15477#15601
35K → 23M82156-74#15601#15675
23M → 24M5888-30#15675#15705
24M → 40K37188-151#15705#15856
40K → 25.2M12136-124#15856#15980
25.2M → Finish11038+72#15980#15908
TOTALS15733205-1632
📊

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