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BOSTON MARATHON 2025

Carol Blackett

Bib: 22318•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 33%
Division (F50-54)
#0 / 1303
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:41
Rank: #18515
Start → 5K
25:41 | 8:16/mi
10K· 6.21 mi
51:05
Rank: #18114 (+401)
5K → 10K
25:24 | 8:11/mi
15K· 9.32 mi
1:16:35
Rank: #17864 (+250)
10K → 15K
25:30 | 8:12/mi
20K· 12.43 mi
1:42:12
Rank: #17509 (+355)
15K → 20K
25:37 | 8:15/mi
Half· 13.11 mi
1:47:44
Rank: #17451 (+58)
20K → Half
5:32 | 8:07/mi
25K· 15.53 mi
2:07:58
Rank: #17197 (+254)
Half → 25K
20:14 | 8:21/mi
30K· 18.64 mi
2:34:56
Rank: #16900 (+297)
25K → 30K
26:58 | 8:41/mi
20M
2:46:50
Rank: #16778 (+122)
30K → 20M
11:54 | 8:45/mi
21M
2:56:20
Rank: #16691 (+87)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
3:02:36
Rank: #16587 (+104)
21M → 35K
6:16 | 8:23/mi
23M
3:13:41
Rank: #16468 (+119)
35K → 23M
11:05 | 8:51/mi
24M
3:22:15
Rank: #16392 (+76)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:29:35
Rank: #16288 (+104)
24M → 40K
7:20 | 8:35/mi
25.2M
3:32:47
Rank: #16239 (+49)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:41:18
Rank: #16203 (+36)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:44
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:53:34
Pace8:40 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1425:418:1625:41
8:16
-
10K
6.21 mi11:45:3851:058:1325:24
8:11
-0:05
15K
9.32 mi12:11:081:16:358:1325:30
8:12
+0:01
20K
12.43 mi12:36:451:42:128:1325:37
8:15
+0:03
Half
13.11 mi12:42:171:47:448:135:32
8:07
-0:08
25K
15.53 mi13:02:312:07:588:1420:14
8:21
+0:14
30K
18.64 mi13:29:292:34:568:1926:58
8:41
+0:20
20M
20.00 mi13:41:232:46:508:2011:54
8:45
+0:04
21M
21.00 mi13:50:532:56:208:249:30
9:30
+0:45
35K
21.75 mi13:57:093:02:368:246:16
8:23
-1:07
23M
23.00 mi14:08:143:13:418:2511:05
8:51
+0:28
24M
24.00 mi14:16:483:22:158:268:34
8:34
-0:17
40K
24.85 mi14:24:083:29:358:267:20
8:35
+0:01
25.2M
25.20 mi14:27:203:32:478:273:12
9:17
+0:42
Finish
26.22 mi14:35:513:41:188:278:31
8:21
-0:56

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

8:07 /mi

Average Pace

8:27 /mi

Slowest Pace

9:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:36

94% of race

Time at Steady Pace

12:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:20:1425:418:1625:41
8:16
#18515
10K
6.21 mi11:45:3851:058:1325:24
8:11
#18114
15K
9.32 mi12:11:081:16:358:1325:30
8:12
#17864
20K
12.43 mi12:36:451:42:128:1325:37
8:15
#17509
Half
13.11 mi12:42:171:47:448:135:32
8:07
#17451
25K
15.53 mi13:02:312:07:588:1420:14
8:21
#17197
30K
18.64 mi13:29:292:34:568:1926:58
8:41
#16900
20M
20.00 mi13:41:232:46:508:2011:54
8:45
#16778
21M
21.00 mi13:50:532:56:208:249:30
9:30
#16691
35K
21.75 mi13:57:093:02:368:246:16
8:23
#16587
23M
23.00 mi14:08:143:13:418:2511:05
8:51
#16468
24M
24.00 mi14:16:483:22:158:268:34
8:34
#16392
40K
24.85 mi14:24:083:29:358:267:20
8:35
#16288
25.2M
25.20 mi14:27:203:32:478:273:12
9:17
#16239
Finish
26.22 mi14:35:513:41:188:278:31
8:21
#16203
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi185156635663517442(Top 61%)5979(Top 49%)5979(Top 459%)
10K6.21 mi3.10 mi18114+4016399+2366399+23617727(Top 62%)6135(Top 50%)6135(Top 471%)
15K9.32 mi3.11 mi17864+2506242+1576242+15717442(Top 61%)5979(Top 49%)5979(Top 459%)
20K12.43 mi3.11 mi17509+3556036+2066036+20616603(Top 58%)5548(Top 45%)5548(Top 426%)
Half13.11 mi0.68 mi17451+586005+316005+3116729(Top 59%)5604(Top 46%)5604(Top 430%)
25K15.53 mi2.42 mi17197+2545881+1245881+12416219(Top 57%)5434(Top 44%)5434(Top 417%)
30K18.64 mi3.11 mi16900+2975753+1285753+12815884(Top 56%)5392(Top 44%)5392(Top 414%)
20M20.00 mi1.36 mi16778+1225703+505703+5015438(Top 54%)5288(Top 43%)5288(Top 406%)
21M21.00 mi1.00 mi16691+875696+75696+716098(Top 57%)5757(Top 47%)5757(Top 442%)
35K21.75 mi0.75 mi16587+1045657+395657+3914762(Top 52%)5111(Top 42%)5111(Top 392%)
23M23.00 mi1.25 mi16468+1195613+445613+4415423(Top 54%)5557(Top 45%)5557(Top 426%)
24M24.00 mi1.00 mi16392+765605+85605+814966(Top 53%)5361(Top 44%)5361(Top 411%)
40K24.85 mi0.85 mi16288+1045566+395566+3913962(Top 49%)4948(Top 40%)4948(Top 380%)
25.2M25.20 mi0.35 mi16239+495546+205546+2013436(Top 47%)4745(Top 39%)4745(Top 364%)
Finish26.22 mi1.02 mi16203+365541+55541+515317(Top 54%)5650(Top 46%)5650(Top 434%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21stories
+97ft-345ft

Overall

17442

Females

5979

F50-54

5979

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

17727

Females

6135

F50-54

6135

10K→15K

6.2 - 9.3 mi

Top 61%
×3stories
+67ft-78ft

Overall

17442

Females

5979

F50-54

5979

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16603

Females

5548

F50-54

5548

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

16729

Females

5604

F50-54

5604

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

16219

Females

5434

F50-54

5434

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15884

Females

5392

F50-54

5392

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

15438

Females

5288

F50-54

5288

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16098

Females

5757

F50-54

5757

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14762

Females

5111

F50-54

5111

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15423

Females

5557

F50-54

5557

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14966

Females

5361

F50-54

5361

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13962

Females

4948

F50-54

4948

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13436

Females

4745

F50-54

4745

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15317

Females

5650

F50-54

5650

Passing Analysis

Category:
Athletes Passed
2963
Passed By
651
Net Change
+2312
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18515
5K → 10K513112+401#18515#18114
10K → 15K33080+250#18114#17864
15K → 20K39540+355#17864#17509
20K → Half657+58#17509#17451
Half → 25K31561+254#17451#17197
25K → 30K37073+297#17197#16900
30K → 20M15735+122#16900#16778
20M → 21M15366+87#16778#16691
21M → 35K11612+104#16691#16587
35K → 23M16849+119#16587#16468
23M → 24M11640+76#16468#16392
24M → 40K12420+104#16392#16288
40K → 25.2M534+49#16288#16239
25.2M → Finish8852+36#16239#16203
TOTALS2963651+2312
📊

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