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BOSTON MARATHON 2025

Helaine Blizzard

Bib: 23555•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 (F60-64)
#0 / 624
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:47
Rank: #20581
Start → 5K
26:47 | 8:37/mi
10K· 6.21 mi
53:34
Rank: #20506 (+75)
5K → 10K
26:47 | 8:37/mi
15K· 9.32 mi
1:20:26
Rank: #20365 (+141)
10K → 15K
26:52 | 8:39/mi
20K· 12.43 mi
1:47:32
Rank: #20149 (+216)
15K → 20K
27:06 | 8:43/mi
Half· 13.11 mi
1:53:33
Rank: #20192 (-43)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:14:50
Rank: #19938 (+254)
Half → 25K
21:17 | 8:47/mi
30K· 18.64 mi
2:43:01
Rank: #19566 (+372)
25K → 30K
28:11 | 9:04/mi
20M
2:55:40
Rank: #19476 (+90)
30K → 20M
12:39 | 9:19/mi
21M
3:05:46
Rank: #19414 (+62)
20M → 21M
10:06 | 10:06/mi
35K· 21.75 mi
3:12:28
Rank: #19373 (+41)
21M → 35K
6:42 | 8:57/mi
23M
3:24:03
Rank: #19274 (+99)
35K → 23M
11:35 | 9:15/mi
24M
3:33:11
Rank: #19209 (+65)
23M → 24M
9:08 | 9:08/mi
40K· 24.85 mi
3:41:14
Rank: #19168 (+41)
24M → 40K
8:03 | 9:25/mi
25.2M
3:44:49
Rank: #19151 (+17)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:54:16
Rank: #19192 (-41)
25.2M → Finish
9:27 | 9:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:33
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:00:43
Pace9:13 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:2126:478:3726:47
8:37
-
10K
6.21 mi11:53:0853:348:3726:47
8:37
0:00
15K
9.32 mi12:20:001:20:268:3826:52
8:39
+0:02
20K
12.43 mi12:47:061:47:328:3927:06
8:43
+0:04
Half
13.11 mi12:53:071:53:338:406:01
8:49
+0:06
25K
15.53 mi13:14:242:14:508:4121:17
8:47
-0:02
30K
18.64 mi13:42:352:43:018:4528:11
9:04
+0:17
20M
20.00 mi13:55:142:55:408:4712:39
9:19
+0:15
21M
21.00 mi14:05:203:05:468:5110:06
10:06
+0:47
35K
21.75 mi14:12:023:12:288:516:42
8:57
-1:09
23M
23.00 mi14:23:373:24:038:5211:35
9:15
+0:18
24M
24.00 mi14:32:453:33:118:539:08
9:08
-0:07
40K
24.85 mi14:40:483:41:148:548:03
9:25
+0:17
25.2M
25.20 mi14:44:233:44:498:553:35
10:23
+0:58
Finish
26.22 mi14:53:503:54:168:569:27
9:16
-1:07

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

8:37 /mi

Average Pace

8:56 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:49

55% of race

Time at Steady Pace

1:23:43

36% of race

Time at Slower Pace

21:44

9% of race

Average Pace: 8:56 /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 mi11:26:2126:478:3726:47
8:37
#20581
10K
6.21 mi11:53:0853:348:3726:47
8:37
#20506
15K
9.32 mi12:20:001:20:268:3826:52
8:39
#20365
20K
12.43 mi12:47:061:47:328:3927:06
8:43
#20149
Half
13.11 mi12:53:071:53:338:406:01
8:49
#20192
25K
15.53 mi13:14:242:14:508:4121:17
8:47
#19938
30K
18.64 mi13:42:352:43:018:4528:11
9:04
#19566
20M
20.00 mi13:55:142:55:408:4712:39
9:19
#19476
21M
21.00 mi14:05:203:05:468:5110:06
10:06
#19414
35K
21.75 mi14:12:023:12:288:516:42
8:57
#19373
23M
23.00 mi14:23:373:24:038:5211:35
9:15
#19274
24M
24.00 mi14:32:453:33:118:539:08
9:08
#19209
40K
24.85 mi14:40:483:41:148:548:03
9:25
#19168
25.2M
25.20 mi14:44:233:44:498:553:35
10:23
#19151
Finish
26.22 mi14:53:503:54:168:569:27
9:16
#19192
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi205817851785120203(Top 71%)7546(Top 62%)7546(Top 1209%)
10K6.21 mi3.10 mi20506+757775+767775+7620460(Top 72%)7721(Top 63%)7721(Top 1237%)
15K9.32 mi3.11 mi20365+1417680+957680+9520203(Top 71%)7546(Top 62%)7546(Top 1209%)
20K12.43 mi3.11 mi20149+2167557+1237557+12319542(Top 69%)7228(Top 59%)7228(Top 1158%)
Half13.11 mi0.68 mi20192-437589-327589-3221007(Top 74%)8040(Top 66%)8040(Top 1288%)
25K15.53 mi2.42 mi19938+2547447+1427447+14218823(Top 66%)6886(Top 56%)6886(Top 1104%)
30K18.64 mi3.11 mi19566+3727277+1707277+17018046(Top 64%)6601(Top 54%)6601(Top 1058%)
20M20.00 mi1.36 mi19476+907251+267251+2618351(Top 65%)6924(Top 57%)6924(Top 1110%)
21M21.00 mi1.00 mi19414+627244+77244+718691(Top 66%)7173(Top 59%)7173(Top 1150%)
35K21.75 mi0.75 mi19373+417235+97235+918043(Top 64%)6925(Top 57%)6925(Top 1110%)
23M23.00 mi1.25 mi19274+997201+347201+3417586(Top 62%)6783(Top 55%)6783(Top 1087%)
24M24.00 mi1.00 mi19209+657191+107191+1018058(Top 64%)7068(Top 58%)7068(Top 1133%)
40K24.85 mi0.85 mi19168+417187+47187+418369(Top 65%)7318(Top 60%)7318(Top 1173%)
25.2M25.20 mi0.35 mi19151+177195-87195-818644(Top 66%)7455(Top 61%)7455(Top 1195%)
Finish26.22 mi1.02 mi19192-417243-487243-4820284(Top 71%)8282(Top 68%)8282(Top 1327%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20203

Females

7546

F60-64

7546

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

20460

Females

7721

F60-64

7721

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20203

Females

7546

F60-64

7546

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19542

Females

7228

F60-64

7228

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21007

Females

8040

F60-64

8040

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18823

Females

6886

F60-64

6886

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18046

Females

6601

F60-64

6601

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18351

Females

6924

F60-64

6924

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18691

Females

7173

F60-64

7173

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18043

Females

6925

F60-64

6925

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17586

Females

6783

F60-64

6783

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18058

Females

7068

F60-64

7068

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18369

Females

7318

F60-64

7318

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18644

Females

7455

F60-64

7455

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

20284

Females

8282

F60-64

8282

Passing Analysis

Category:
Athletes Passed
2356
Passed By
967
Net Change
+1389
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20581
5K → 10K321246+75#20581#20506
10K → 15K264123+141#20506#20365
15K → 20K28872+216#20365#20149
20K → Half1861-43#20149#20192
Half → 25K29440+254#20192#19938
25K → 30K42755+372#19938#19566
30K → 20M15464+90#19566#19476
20M → 21M12462+62#19476#19414
21M → 35K6524+41#19414#19373
35K → 23M13839+99#19373#19274
23M → 24M10035+65#19274#19209
24M → 40K8544+41#19209#19168
40K → 25.2M4023+17#19168#19151
25.2M → Finish3879-41#19151#19192
TOTALS2356967+1389
📊

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