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BOSTON MARATHON 2025

Elizabeth Massman

Bib: 27428•F

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
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
27:47
Rank: #22183
Start → 5K
27:47 | 8:57/mi
10K· 6.21 mi
55:27
Rank: #22075 (+108)
5K → 10K
27:40 | 8:54/mi
15K· 9.32 mi
1:22:28
Rank: #21525 (+550)
10K → 15K
27:01 | 8:42/mi
20K· 12.43 mi
1:49:24
Rank: #20950 (+575)
15K → 20K
26:56 | 8:40/mi
Half· 13.11 mi
1:55:14
Rank: #20872 (+78)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:17:02
Rank: #20723 (+149)
Half → 25K
21:48 | 8:59/mi
30K· 18.64 mi
2:46:00
Rank: #20394 (+329)
25K → 30K
28:58 | 9:19/mi
20M
2:59:02
Rank: #20336 (+58)
30K → 20M
13:02 | 9:35/mi
21M
3:08:56
Rank: #20186 (+150)
20M → 21M
9:54 | 9:54/mi
35K· 21.75 mi
3:15:28
Rank: #20062 (+124)
21M → 35K
6:32 | 8:44/mi
23M
3:27:38
Rank: #20057 (+5)
35K → 23M
12:10 | 9:43/mi
24M
3:37:25
Rank: #20091 (-34)
23M → 24M
9:47 | 9:47/mi
40K· 24.85 mi
3:45:46
Rank: #20084 (+7)
24M → 40K
8:21 | 9:46/mi
25.2M
3:49:06
Rank: #20009 (+75)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:57:30
Rank: #19843 (+166)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:14
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:02:16
Pace9:20 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0927:478:5727:47
8:57
-
10K
6.21 mi12:11:4955:278:5527:40
8:54
-0:03
15K
9.32 mi12:38:501:22:288:5127:01
8:42
-0:12
20K
12.43 mi13:05:461:49:248:4826:56
8:40
-0:02
Half
13.11 mi13:11:361:55:148:475:50
8:33
-0:07
25K
15.53 mi13:33:242:17:028:4921:48
8:59
+0:26
30K
18.64 mi14:02:222:46:008:5428:58
9:19
+0:20
20M
20.00 mi14:15:242:59:028:5713:02
9:35
+0:16
21M
21.00 mi14:25:183:08:569:009:54
9:54
+0:19
35K
21.75 mi14:31:503:15:288:596:32
8:44
-1:10
23M
23.00 mi14:44:003:27:389:0212:10
9:43
+0:59
24M
24.00 mi14:53:473:37:259:049:47
9:47
+0:04
40K
24.85 mi15:02:083:45:469:058:21
9:46
-0:01
25.2M
25.20 mi15:05:283:49:069:053:20
9:40
-0:06
Finish
26.22 mi15:13:523:57:309:048:24
8:15
-1:25

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

8:15 /mi

Average Pace

9:04 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:11

29% of race

Time at Steady Pace

1:23:47

35% of race

Time at Slower Pace

1:25:32

36% of race

Average Pace: 9:03 /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 mi11:44:0927:478:5727:47
8:57
#22183
10K
6.21 mi12:11:4955:278:5527:40
8:54
#22075
15K
9.32 mi12:38:501:22:288:5127:01
8:42
#21525
20K
12.43 mi13:05:461:49:248:4826:56
8:40
#20950
Half
13.11 mi13:11:361:55:148:475:50
8:33
#20872
25K
15.53 mi13:33:242:17:028:4921:48
8:59
#20723
30K
18.64 mi14:02:222:46:008:5428:58
9:19
#20394
20M
20.00 mi14:15:242:59:028:5713:02
9:35
#20336
21M
21.00 mi14:25:183:08:569:009:54
9:54
#20186
35K
21.75 mi14:31:503:15:288:596:32
8:44
#20062
23M
23.00 mi14:44:003:27:389:0212:10
9:43
#20057
24M
24.00 mi14:53:473:37:259:049:47
9:47
#20091
40K
24.85 mi15:02:083:45:469:058:21
9:46
#20084
25.2M
25.20 mi15:05:283:49:069:053:20
9:40
#20009
Finish
26.22 mi15:13:523:57:309:048:24
8:15
#19843
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi221838727872720472(Top 72%)7693(Top 63%)7693(Top 141%)
10K6.21 mi3.10 mi22075+1088656+718656+7121956(Top 77%)8569(Top 70%)8569(Top 157%)
15K9.32 mi3.11 mi21525+5508318+3388318+33820472(Top 72%)7693(Top 63%)7693(Top 141%)
20K12.43 mi3.11 mi20950+5758006+3128006+31219268(Top 68%)7064(Top 58%)7064(Top 129%)
Half13.11 mi0.68 mi20872+787962+447962+4419578(Top 69%)7234(Top 59%)7234(Top 132%)
25K15.53 mi2.42 mi20723+1497889+737889+7319862(Top 70%)7458(Top 61%)7458(Top 136%)
30K18.64 mi3.11 mi20394+3297760+1297760+12919225(Top 68%)7244(Top 59%)7244(Top 132%)
20M20.00 mi1.36 mi20336+587742+187742+1819586(Top 69%)7574(Top 62%)7574(Top 138%)
21M21.00 mi1.00 mi20186+1507687+557687+5517928(Top 63%)6758(Top 55%)6758(Top 124%)
35K21.75 mi0.75 mi20062+1247631+567631+5616960(Top 60%)6330(Top 52%)6330(Top 116%)
23M23.00 mi1.25 mi20057+57653-227653-2219520(Top 69%)7798(Top 64%)7798(Top 143%)
24M24.00 mi1.00 mi20091-347685-327685-3220684(Top 73%)8437(Top 69%)8437(Top 154%)
40K24.85 mi0.85 mi20084+77705-207705-2019713(Top 69%)7999(Top 65%)7999(Top 146%)
25.2M25.20 mi0.35 mi20009+757670+357670+3515547(Top 55%)5871(Top 48%)5871(Top 107%)
Finish26.22 mi1.02 mi19843+1667596+747596+7414619(Top 51%)5287(Top 43%)5287(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20472

Females

7693

F18-39

7693

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21956

Females

8569

F18-39

8569

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20472

Females

7693

F18-39

7693

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19268

Females

7064

F18-39

7064

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

19578

Females

7234

F18-39

7234

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19862

Females

7458

F18-39

7458

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19225

Females

7244

F18-39

7244

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19586

Females

7574

F18-39

7574

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17928

Females

6758

F18-39

6758

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

16960

Females

6330

F18-39

6330

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19520

Females

7798

F18-39

7798

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20684

Females

8437

F18-39

8437

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19713

Females

7999

F18-39

7999

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15547

Females

5871

F18-39

5871

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

14619

Females

5287

F18-39

5287

Passing Analysis

Category:
Athletes Passed
3065
Passed By
725
Net Change
+2340
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22183
5K → 10K312204+108#22183#22075
10K → 15K57626+550#22075#21525
15K → 20K58712+575#21525#20950
20K → Half835+78#20950#20872
Half → 25K22778+149#20872#20723
25K → 30K38859+329#20723#20394
30K → 20M12264+58#20394#20336
20M → 21M18333+150#20336#20186
21M → 35K1317+124#20186#20062
35K → 23M8580+5#20062#20057
23M → 24M5387-34#20057#20091
24M → 40K6154+7#20091#20084
40K → 25.2M827+75#20084#20009
25.2M → Finish1759+166#20009#19843
TOTALS3065725+2340
📊

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