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BOSTON MARATHON 2025

Alexandra Herman

Bib: 26838•F

MA

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
28:17
Rank: #22868
Start → 5K
28:17 | 9:06/mi
10K· 6.21 mi
56:21
Rank: #22704 (+164)
5K → 10K
28:04 | 9:02/mi
15K· 9.32 mi
1:24:04
Rank: #22362 (+342)
10K → 15K
27:43 | 8:55/mi
20K· 12.43 mi
1:52:04
Rank: #22012 (+350)
15K → 20K
28:00 | 9:01/mi
Half· 13.11 mi
1:58:06
Rank: #21966 (+46)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:20:35
Rank: #21783 (+183)
Half → 25K
22:29 | 9:16/mi
30K· 18.64 mi
2:50:18
Rank: #21472 (+311)
25K → 30K
29:43 | 9:34/mi
20M
3:03:32
Rank: #21350 (+122)
30K → 20M
13:14 | 9:44/mi
21M
3:15:39
Rank: #21597 (-247)
20M → 21M
12:07 | 12:07/mi
35K· 21.75 mi
3:24:35
Rank: #21857 (-260)
21M → 35K
8:56 | 11:56/mi
23M
3:38:42
Rank: #21986 (-129)
35K → 23M
14:07 | 11:16/mi
24M
3:48:45
Rank: #21959 (+27)
23M → 24M
10:03 | 10:03/mi
40K· 24.85 mi
4:00:12
Rank: #22286 (-327)
24M → 40K
11:27 | 13:24/mi
25.2M
4:04:20
Rank: #22291 (-5)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
4:13:26
Rank: #22170 (+121)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:06
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:15:20
Pace10:19 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5528:179:0628:17
9:06
-
10K
6.21 mi12:15:5956:219:0428:04
9:02
-0:04
15K
9.32 mi12:43:421:24:049:0127:43
8:55
-0:07
20K
12.43 mi13:11:421:52:049:0128:00
9:01
+0:06
Half
13.11 mi13:17:441:58:069:016:02
8:51
-0:10
25K
15.53 mi13:40:132:20:359:0322:29
9:16
+0:25
30K
18.64 mi14:09:562:50:189:0829:43
9:34
+0:18
20M
20.00 mi14:23:103:03:329:1113:14
9:44
+0:10
21M
21.00 mi14:35:173:15:399:1912:07
12:07
+2:23
35K
21.75 mi14:44:133:24:359:248:56
11:56
-0:11
23M
23.00 mi14:58:203:38:429:3114:07
11:16
-0:40
24M
24.00 mi15:08:233:48:459:3210:03
10:03
-1:13
40K
24.85 mi15:19:504:00:129:4011:27
13:24
+3:21
25.2M
25.20 mi15:23:584:04:209:424:08
11:59
-1:25
Finish
26.22 mi15:33:044:13:269:409:06
8:56
-3:03

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

8:51 /mi

Average Pace

9:40 /mi

Slowest Pace

13:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:22:41

80% of race

Time at Slower Pace

50:45

20% of race

Average Pace: 9:40 /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 mi11:47:5528:179:0628:17
9:06
#22868
10K
6.21 mi12:15:5956:219:0428:04
9:02
#22704
15K
9.32 mi12:43:421:24:049:0127:43
8:55
#22362
20K
12.43 mi13:11:421:52:049:0128:00
9:01
#22012
Half
13.11 mi13:17:441:58:069:016:02
8:51
#21966
25K
15.53 mi13:40:132:20:359:0322:29
9:16
#21783
30K
18.64 mi14:09:562:50:189:0829:43
9:34
#21472
20M
20.00 mi14:23:103:03:329:1113:14
9:44
#21350
21M
21.00 mi14:35:173:15:399:1912:07
12:07
#21597
35K
21.75 mi14:44:133:24:359:248:56
11:56
#21857
23M
23.00 mi14:58:203:38:429:3114:07
11:16
#21986
24M
24.00 mi15:08:233:48:459:3210:03
10:03
#21959
40K
24.85 mi15:19:504:00:129:4011:27
13:24
#22286
25.2M
25.20 mi15:23:584:04:209:424:08
11:59
#22291
Finish
26.22 mi15:33:044:13:269:409:06
8:56
#22170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi228689104910421674(Top 76%)8366(Top 68%)8366(Top 153%)
10K6.21 mi3.10 mi22704+1648995+1098995+10922530(Top 79%)8884(Top 73%)8884(Top 162%)
15K9.32 mi3.11 mi22362+3428786+2098786+20921674(Top 76%)8366(Top 68%)8366(Top 153%)
20K12.43 mi3.11 mi22012+3508604+1828604+18221054(Top 74%)8096(Top 66%)8096(Top 148%)
Half13.11 mi0.68 mi21966+468578+268578+2621165(Top 75%)8136(Top 67%)8136(Top 149%)
25K15.53 mi2.42 mi21783+1838488+908488+9021085(Top 74%)8148(Top 67%)8148(Top 149%)
30K18.64 mi3.11 mi21472+3118346+1428346+14220215(Top 71%)7775(Top 64%)7775(Top 142%)
20M20.00 mi1.36 mi21350+1228294+528294+5220091(Top 71%)7848(Top 64%)7848(Top 143%)
21M21.00 mi1.00 mi21597-2478443-1498443-14923802(Top 84%)9922(Top 81%)9922(Top 181%)
35K21.75 mi0.75 mi21857-2608599-1568599-15625787(Top 91%)10994(Top 90%)10994(Top 201%)
23M23.00 mi1.25 mi21986-1298709-1108709-11023840(Top 84%)10022(Top 82%)10022(Top 183%)
24M24.00 mi1.00 mi21959+278716-78716-721510(Top 76%)8862(Top 72%)8862(Top 162%)
40K24.85 mi0.85 mi22286-3278910-1948910-19426678(Top 94%)11485(Top 94%)11485(Top 210%)
25.2M25.20 mi0.35 mi22291-58922-128922-1223221(Top 82%)9772(Top 80%)9772(Top 179%)
Finish26.22 mi1.02 mi22170+1218876+468876+4618712(Top 66%)7447(Top 61%)7447(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21674

Females

8366

F18-39

8366

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22530

Females

8884

F18-39

8884

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21674

Females

8366

F18-39

8366

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

21054

Females

8096

F18-39

8096

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

21165

Females

8136

F18-39

8136

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

21085

Females

8148

F18-39

8148

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20215

Females

7775

F18-39

7775

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20091

Females

7848

F18-39

7848

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

23802

Females

9922

F18-39

9922

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25787

Females

10994

F18-39

10994

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23840

Females

10022

F18-39

10022

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

21510

Females

8862

F18-39

8862

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26678

Females

11485

F18-39

11485

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23221

Females

9772

F18-39

9772

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18712

Females

7447

F18-39

7447

Passing Analysis

Category:
Athletes Passed
2222
Passed By
1524
Net Change
+698
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22868
5K → 10K326162+164#22868#22704
10K → 15K39755+342#22704#22362
15K → 20K37424+350#22362#22012
20K → Half6014+46#22012#21966
Half → 25K24461+183#21966#21783
25K → 30K36857+311#21783#21472
30K → 20M15937+122#21472#21350
20M → 21M27274-247#21350#21597
21M → 35K7267-260#21597#21857
35K → 23M47176-129#21857#21986
23M → 24M6942+27#21986#21959
24M → 40K5332-327#21959#22286
40K → 25.2M1621-5#22286#22291
25.2M → Finish1232+121#22291#22170
TOTALS22221524+698
📊

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