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BOSTON MARATHON 2025

Heather Howell

Bib: 20171•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 41%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #14739
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
48:12
Rank: #14407 (+332)
5K → 10K
24:00 | 7:43/mi
15K· 9.32 mi
1:13:24
Rank: #15294 (-887)
10K → 15K
25:12 | 8:07/mi
20K· 12.43 mi
1:37:55
Rank: #14909 (+385)
15K → 20K
24:31 | 7:53/mi
Half· 13.11 mi
1:43:19
Rank: #14934 (-25)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:03:54
Rank: #15373 (-439)
Half → 25K
20:35 | 8:29/mi
30K· 18.64 mi
2:30:37
Rank: #15373
25K → 30K
26:43 | 8:36/mi
20M
2:43:05
Rank: #15519 (-146)
30K → 20M
12:28 | 9:10/mi
21M
2:54:08
Rank: #16034 (-515)
20M → 21M
11:03 | 11:03/mi
35K· 21.75 mi
3:01:51
Rank: #16367 (-333)
21M → 35K
7:43 | 10:19/mi
23M
3:15:14
Rank: #16945 (-578)
35K → 23M
13:23 | 10:41/mi
24M
3:25:02
Rank: #17180 (-235)
23M → 24M
9:48 | 9:48/mi
40K· 24.85 mi
3:34:07
Rank: #17492 (-312)
24M → 40K
9:05 | 10:37/mi
25.2M
3:37:29
Rank: #17469 (+23)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:46:03
Rank: #17394 (+75)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:19
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time2:02:44
Pace9:22 /mi
📊Positive Split: 18.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0824:127:4724:12
7:47
-
10K
6.21 mi11:40:0848:127:4524:00
7:43
-0:04
15K
9.32 mi12:05:201:13:247:5325:12
8:07
+0:24
20K
12.43 mi12:29:511:37:557:5324:31
7:53
-0:14
Half
13.11 mi12:35:151:43:197:535:24
7:55
+0:02
25K
15.53 mi12:55:502:03:547:5920:35
8:29
+0:34
30K
18.64 mi13:22:332:30:378:0526:43
8:36
+0:07
20M
20.00 mi13:35:012:43:058:0912:28
9:10
+0:34
21M
21.00 mi13:46:042:54:088:1811:03
11:03
+1:53
35K
21.75 mi13:53:473:01:518:227:43
10:19
-0:44
23M
23.00 mi14:07:103:15:148:2913:23
10:41
+0:22
24M
24.00 mi14:16:583:25:028:339:48
9:48
-0:53
40K
24.85 mi14:26:033:34:078:379:05
10:37
+0:49
25.2M
25.20 mi14:29:253:37:298:383:22
9:46
-0:51
Finish
26.22 mi14:37:593:46:038:388:34
8:24
-1:22

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

7:43 /mi

Average Pace

8:38 /mi

Slowest Pace

11:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:07

35% of race

Time at Steady Pace

1:33:32

41% of race

Time at Slower Pace

54:24

24% of race

Average Pace: 8:37 /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 mi11:16:0824:127:4724:12
7:47
#14739
10K
6.21 mi11:40:0848:127:4524:00
7:43
#14407
15K
9.32 mi12:05:201:13:247:5325:12
8:07
#15294
20K
12.43 mi12:29:511:37:557:5324:31
7:53
#14909
Half
13.11 mi12:35:151:43:197:535:24
7:55
#14934
25K
15.53 mi12:55:502:03:547:5920:35
8:29
#15373
30K
18.64 mi13:22:332:30:378:0526:43
8:36
#15373
20M
20.00 mi13:35:012:43:058:0912:28
9:10
#15519
21M
21.00 mi13:46:042:54:088:1811:03
11:03
#16034
35K
21.75 mi13:53:473:01:518:227:43
10:19
#16367
23M
23.00 mi14:07:103:15:148:2913:23
10:41
#16945
24M
24.00 mi14:16:583:25:028:339:48
9:48
#17180
40K
24.85 mi14:26:033:34:078:379:05
10:37
#17492
25.2M
25.20 mi14:29:253:37:298:383:22
9:46
#17469
Finish
26.22 mi14:37:593:46:038:388:34
8:24
#17394
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi147394376437616830(Top 59%)5633(Top 46%)5633(Top 311%)
10K6.21 mi3.10 mi14407+3324180+1964180+19614147(Top 50%)4051(Top 33%)4051(Top 223%)
15K9.32 mi3.11 mi15294-8874730-5504730-55016830(Top 59%)5633(Top 46%)5633(Top 311%)
20K12.43 mi3.11 mi14909+3854538+1924538+19214029(Top 49%)4117(Top 34%)4117(Top 227%)
Half13.11 mi0.68 mi14934-254555-174555-1715313(Top 54%)4810(Top 39%)4810(Top 265%)
25K15.53 mi2.42 mi15373-4394816-2614816-26117145(Top 60%)5942(Top 49%)5942(Top 328%)
30K18.64 mi3.11 mi153734872-564872-5615405(Top 54%)5129(Top 42%)5129(Top 283%)
20M20.00 mi1.36 mi15519-1464982-1104982-11017662(Top 62%)6506(Top 53%)6506(Top 359%)
21M21.00 mi1.00 mi16034-5155321-3395321-33921539(Top 76%)8729(Top 71%)8729(Top 481%)
35K21.75 mi0.75 mi16367-3335522-2015522-20122740(Top 80%)9403(Top 77%)9403(Top 519%)
23M23.00 mi1.25 mi16945-5785901-3795901-37922500(Top 79%)9340(Top 76%)9340(Top 515%)
24M24.00 mi1.00 mi17180-2356064-1636064-16320725(Top 73%)8456(Top 69%)8456(Top 466%)
40K24.85 mi0.85 mi17492-3126276-2126276-21222254(Top 78%)9335(Top 76%)9335(Top 515%)
25.2M25.20 mi0.35 mi17469+236270+66270+615972(Top 56%)6077(Top 50%)6077(Top 335%)
Finish26.22 mi1.02 mi17394+756253+176253+1715664(Top 55%)5846(Top 48%)5846(Top 322%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16830

Females

5633

F45-49

5633

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

14147

Females

4051

F45-49

4051

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16830

Females

5633

F45-49

5633

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

14029

Females

4117

F45-49

4117

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15313

Females

4810

F45-49

4810

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

17145

Females

5942

F45-49

5942

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15405

Females

5129

F45-49

5129

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17662

Females

6506

F45-49

6506

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21539

Females

8729

F45-49

8729

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22740

Females

9403

F45-49

9403

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

22500

Females

9340

F45-49

9340

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20725

Females

8456

F45-49

8456

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22254

Females

9335

F45-49

9335

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15972

Females

6077

F45-49

6077

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15664

Females

5846

F45-49

5846

Passing Analysis

Category:
Athletes Passed
1623
Passed By
4278
Net Change
-2655
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14739
5K → 10K486154+332#14739#14407
10K → 15K40927-887#14407#15294
15K → 20K41934+385#15294#14909
20K → Half2550-25#14909#14934
Half → 25K77516-439#14934#15373
25K → 30K2452450#15373#15373
30K → 20M81227-146#15373#15519
20M → 21M23538-515#15519#16034
21M → 35K15348-333#16034#16367
35K → 23M23601-578#16367#16945
23M → 24M34269-235#16945#17180
24M → 40K19331-312#17180#17492
40K → 25.2M3714+23#17492#17469
25.2M → Finish9924+75#17469#17394
TOTALS16234278-2655
📊

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