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BOSTON MARATHON 2025

Amanda Jaccino

Bib: 32171•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
28:12
Rank: #22760
Start → 5K
28:12 | 9:05/mi
10K· 6.21 mi
55:29
Rank: #22107 (+653)
5K → 10K
27:17 | 8:47/mi
15K· 9.32 mi
1:22:47
Rank: #21728 (+379)
10K → 15K
27:18 | 8:47/mi
20K· 12.43 mi
1:50:24
Rank: #21359 (+369)
15K → 20K
27:37 | 8:53/mi
Half· 13.11 mi
1:56:22
Rank: #21311 (+48)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:18:05
Rank: #21044 (+267)
Half → 25K
21:43 | 8:57/mi
30K· 18.64 mi
2:46:18
Rank: #20484 (+560)
25K → 30K
28:13 | 9:05/mi
20M
2:58:37
Rank: #20219 (+265)
30K → 20M
12:19 | 9:04/mi
21M
3:08:08
Rank: #19988 (+231)
20M → 21M
9:31 | 9:31/mi
35K· 21.75 mi
3:14:43
Rank: #19890 (+98)
21M → 35K
6:35 | 8:48/mi
23M
3:25:59
Rank: #19685 (+205)
35K → 23M
11:16 | 9:00/mi
24M
3:34:53
Rank: #19563 (+122)
23M → 24M
8:54 | 8:54/mi
40K· 24.85 mi
3:42:29
Rank: #19430 (+133)
24M → 40K
7:36 | 8:53/mi
25.2M
3:45:56
Rank: #19377 (+53)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:54:32
Rank: #19253 (+124)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:22
Pace8:53 /mi
2nd Half
Distance13.11 mi
Time1:58:10
Pace9:01 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3728:129:0528:12
9:05
-
10K
6.21 mi12:14:5455:298:5627:17
8:47
-0:18
15K
9.32 mi12:42:121:22:478:5327:18
8:47
0:00
20K
12.43 mi13:09:491:50:248:5327:37
8:53
+0:06
Half
13.11 mi13:15:471:56:228:535:58
8:45
-0:08
25K
15.53 mi13:37:302:18:058:5321:43
8:57
+0:12
30K
18.64 mi14:05:432:46:188:5528:13
9:05
+0:08
20M
20.00 mi14:18:022:58:378:5612:19
9:04
-0:01
21M
21.00 mi14:27:333:08:088:589:31
9:31
+0:27
35K
21.75 mi14:34:083:14:438:576:35
8:48
-0:43
23M
23.00 mi14:45:243:25:598:5711:16
9:00
+0:12
24M
24.00 mi14:54:183:34:538:578:54
8:54
-0:06
40K
24.85 mi15:01:543:42:298:577:36
8:53
-0:01
25.2M
25.20 mi15:05:213:45:568:583:27
10:00
+1:07
Finish
26.22 mi15:13:573:54:328:578:36
8:26
-1:34

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

8:26 /mi

Average Pace

8:57 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:41:34

94% of race

Time at Steady Pace

9:31

4% of race

Time at Slower Pace

3:27

1% of race

Average Pace: 8:57 /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 mi11:47:3728:129:0528:12
9:05
#22760
10K
6.21 mi12:14:5455:298:5627:17
8:47
#22107
15K
9.32 mi12:42:121:22:478:5327:18
8:47
#21728
20K
12.43 mi13:09:491:50:248:5327:37
8:53
#21359
Half
13.11 mi13:15:471:56:228:535:58
8:45
#21311
25K
15.53 mi13:37:302:18:058:5321:43
8:57
#21044
30K
18.64 mi14:05:432:46:188:5528:13
9:05
#20484
20M
20.00 mi14:18:022:58:378:5612:19
9:04
#20219
21M
21.00 mi14:27:333:08:088:589:31
9:31
#19988
35K
21.75 mi14:34:083:14:438:576:35
8:48
#19890
23M
23.00 mi14:45:243:25:598:5711:16
9:00
#19685
24M
24.00 mi14:54:183:34:538:578:54
8:54
#19563
40K
24.85 mi15:01:543:42:298:577:36
8:53
#19430
25.2M
25.20 mi15:05:213:45:568:583:27
10:00
#19377
Finish
26.22 mi15:13:573:54:328:578:36
8:26
#19253
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi227609045904520968(Top 74%)7982(Top 65%)7982(Top 146%)
10K6.21 mi3.10 mi22107+6538673+3728673+37221324(Top 75%)8207(Top 67%)8207(Top 150%)
15K9.32 mi3.11 mi21728+3798451+2228451+22220968(Top 74%)7982(Top 65%)7982(Top 146%)
20K12.43 mi3.11 mi21359+3698231+2208231+22020413(Top 72%)7715(Top 63%)7715(Top 141%)
Half13.11 mi0.68 mi21311+488207+248207+2420660(Top 73%)7845(Top 64%)7845(Top 143%)
25K15.53 mi2.42 mi21044+2678064+1438064+14319719(Top 69%)7377(Top 60%)7377(Top 135%)
30K18.64 mi3.11 mi20484+5607807+2577807+25718115(Top 64%)6646(Top 54%)6646(Top 122%)
20M20.00 mi1.36 mi20219+2657677+1307677+13017172(Top 60%)6243(Top 51%)6243(Top 114%)
21M21.00 mi1.00 mi19988+2317564+1137564+11316189(Top 57%)5816(Top 48%)5816(Top 106%)
35K21.75 mi0.75 mi19890+987521+437521+4317294(Top 61%)6529(Top 53%)6529(Top 119%)
23M23.00 mi1.25 mi19685+2057442+797442+7916287(Top 57%)6061(Top 50%)6061(Top 111%)
24M24.00 mi1.00 mi19563+1227401+417401+4116885(Top 59%)6439(Top 53%)6439(Top 118%)
40K24.85 mi0.85 mi19430+1337340+617340+6115742(Top 55%)5926(Top 48%)5926(Top 108%)
25.2M25.20 mi0.35 mi19377+537320+207320+2017137(Top 60%)6675(Top 55%)6675(Top 122%)
Finish26.22 mi1.02 mi19253+1247275+457275+4515875(Top 56%)5964(Top 49%)5964(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20968

Females

7982

F18-39

7982

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21324

Females

8207

F18-39

8207

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20968

Females

7982

F18-39

7982

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20413

Females

7715

F18-39

7715

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20660

Females

7845

F18-39

7845

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19719

Females

7377

F18-39

7377

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18115

Females

6646

F18-39

6646

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

17172

Females

6243

F18-39

6243

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16189

Females

5816

F18-39

5816

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17294

Females

6529

F18-39

6529

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16287

Females

6061

F18-39

6061

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

16885

Females

6439

F18-39

6439

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15742

Females

5926

F18-39

5926

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17137

Females

6675

F18-39

6675

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2stories
+22ft-21ft

Overall

15875

Females

5964

F18-39

5964

Passing Analysis

Category:
Athletes Passed
3793
Passed By
286
Net Change
+3507
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22760
5K → 10K70754+653#22760#22107
10K → 15K43152+379#22107#21728
15K → 20K41041+369#21728#21359
20K → Half7022+48#21359#21311
Half → 25K29326+267#21311#21044
25K → 30K58020+560#21044#20484
30K → 20M2694+265#20484#20219
20M → 21M2398+231#20219#19988
21M → 35K1079+98#19988#19890
35K → 23M21510+205#19890#19685
23M → 24M13513+122#19685#19563
24M → 40K1385+133#19563#19430
40K → 25.2M629+53#19430#19377
25.2M → Finish13713+124#19377#19253
TOTALS3793286+3507
📊

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