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BOSTON MARATHON 2025

Amanda Collins

Bib: 18345•F

SC

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
25:31
Rank: #18212
Start → 5K
25:31 | 8:13/mi
10K· 6.21 mi
50:32
Rank: #17512 (+700)
5K → 10K
25:01 | 8:03/mi
15K· 9.32 mi
1:15:48
Rank: #17320 (+192)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:41:35
Rank: #17174 (+146)
15K → 20K
25:47 | 8:18/mi
Half· 13.11 mi
1:47:12
Rank: #17180 (-6)
20K → Half
5:37 | 8:14/mi
25K· 15.53 mi
2:09:23
Rank: #17774 (-594)
Half → 25K
22:11 | 9:09/mi
30K· 18.64 mi
2:39:46
Rank: #18581 (-807)
25K → 30K
30:23 | 9:47/mi
20M
2:53:31
Rank: #18885 (-304)
30K → 20M
13:45 | 10:07/mi
21M
3:05:15
Rank: #19295 (-410)
20M → 21M
11:44 | 11:44/mi
35K· 21.75 mi
3:11:30
Rank: #19146 (+149)
21M → 35K
6:15 | 8:21/mi
23M
3:24:00
Rank: #19253 (-107)
35K → 23M
12:30 | 9:59/mi
24M
3:32:59
Rank: #19166 (+87)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:41:17
Rank: #19183 (-17)
24M → 40K
8:18 | 9:42/mi
25.2M
3:44:50
Rank: #19153 (+30)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:53:22
Rank: #19007 (+146)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:12
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time2:06:10
Pace9:37 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5825:318:1325:31
8:13
-
10K
6.21 mi11:44:5950:328:0825:01
8:03
-0:10
15K
9.32 mi12:10:151:15:488:0825:16
8:08
+0:05
20K
12.43 mi12:36:021:41:358:1025:47
8:18
+0:10
Half
13.11 mi12:41:391:47:128:115:37
8:14
-0:04
25K
15.53 mi13:03:502:09:238:2022:11
9:09
+0:55
30K
18.64 mi13:34:132:39:468:3430:23
9:47
+0:38
20M
20.00 mi13:47:582:53:318:4113:45
10:07
+0:20
21M
21.00 mi13:59:423:05:158:4911:44
11:44
+1:37
35K
21.75 mi14:05:573:11:308:486:15
8:21
-3:23
23M
23.00 mi14:18:273:24:008:5212:30
9:59
+1:38
24M
24.00 mi14:27:263:32:598:528:59
8:59
-1:00
40K
24.85 mi14:35:443:41:178:548:18
9:42
+0:43
25.2M
25.20 mi14:39:173:44:508:553:33
10:18
+0:36
Finish
26.22 mi14:47:493:53:228:548:32
8:22
-1:56

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

8:03 /mi

Average Pace

8:54 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:59

52% of race

Time at Steady Pace

31:10

13% of race

Time at Slower Pace

1:20:13

34% of race

Average Pace: 8:54 /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 mi11:19:5825:318:1325:31
8:13
#18212
10K
6.21 mi11:44:5950:328:0825:01
8:03
#17512
15K
9.32 mi12:10:151:15:488:0825:16
8:08
#17320
20K
12.43 mi12:36:021:41:358:1025:47
8:18
#17174
Half
13.11 mi12:41:391:47:128:115:37
8:14
#17180
25K
15.53 mi13:03:502:09:238:2022:11
9:09
#17774
30K
18.64 mi13:34:132:39:468:3430:23
9:47
#18581
20M
20.00 mi13:47:582:53:318:4113:45
10:07
#18885
21M
21.00 mi13:59:423:05:158:4911:44
11:44
#19295
35K
21.75 mi14:05:573:11:308:486:15
8:21
#19146
23M
23.00 mi14:18:273:24:008:5212:30
9:59
#19253
24M
24.00 mi14:27:263:32:598:528:59
8:59
#19166
40K
24.85 mi14:35:443:41:178:548:18
9:42
#19183
25.2M
25.20 mi14:39:173:44:508:553:33
10:18
#19153
Finish
26.22 mi14:47:493:53:228:548:32
8:22
#19007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi182126470647016983(Top 60%)5727(Top 47%)5727(Top 105%)
10K6.21 mi3.10 mi17512+7006043+4276043+42716876(Top 59%)5635(Top 46%)5635(Top 103%)
15K9.32 mi3.11 mi17320+1925906+1375906+13716983(Top 60%)5727(Top 47%)5727(Top 105%)
20K12.43 mi3.11 mi17174+1465845+615845+6116947(Top 60%)5749(Top 47%)5749(Top 105%)
Half13.11 mi0.68 mi17180-65851-65851-617571(Top 62%)6097(Top 50%)6097(Top 111%)
25K15.53 mi2.42 mi17774-5946219-3686219-36820563(Top 72%)7849(Top 64%)7849(Top 144%)
30K18.64 mi3.11 mi18581-8076706-4876706-48720933(Top 74%)8192(Top 67%)8192(Top 150%)
20M20.00 mi1.36 mi18885-3046908-2026908-20221342(Top 75%)8541(Top 70%)8541(Top 156%)
21M21.00 mi1.00 mi19295-4107173-2657173-26523098(Top 81%)9538(Top 78%)9538(Top 174%)
35K21.75 mi0.75 mi19146+1497100+737100+7314673(Top 52%)5076(Top 42%)5076(Top 93%)
23M23.00 mi1.25 mi19253-1077191-917191-9120437(Top 72%)8258(Top 68%)8258(Top 151%)
24M24.00 mi1.00 mi19166+877165+267165+2617314(Top 61%)6662(Top 54%)6662(Top 122%)
40K24.85 mi0.85 mi19183-177198-337198-3319515(Top 69%)7898(Top 65%)7898(Top 144%)
25.2M25.20 mi0.35 mi19153+307196+27196+218312(Top 64%)7300(Top 60%)7300(Top 133%)
Finish26.22 mi1.02 mi19007+1467132+647132+6415442(Top 54%)5731(Top 47%)5731(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16983

Females

5727

F18-39

5727

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16876

Females

5635

F18-39

5635

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16983

Females

5727

F18-39

5727

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16947

Females

5749

F18-39

5749

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17571

Females

6097

F18-39

6097

Half→25K

13.1 - 15.5 mi

Top 72%
×4stories
+66ft-88ft

Overall

20563

Females

7849

F18-39

7849

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

20933

Females

8192

F18-39

8192

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21342

Females

8541

F18-39

8541

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23098

Females

9538

F18-39

9538

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14673

Females

5076

F18-39

5076

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

20437

Females

8258

F18-39

8258

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17314

Females

6662

F18-39

6662

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19515

Females

7898

F18-39

7898

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18312

Females

7300

F18-39

7300

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15442

Females

5731

F18-39

5731

Passing Analysis

Category:
Athletes Passed
2127
Passed By
2922
Net Change
-795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18212
5K → 10K76363+700#18212#17512
10K → 15K301109+192#17512#17320
15K → 20K255109+146#17320#17174
20K → Half3137-6#17174#17180
Half → 25K58652-594#17180#17774
25K → 30K72879-807#17774#18581
30K → 20M42346-304#18581#18885
20M → 21M22432-410#18885#19295
21M → 35K1523+149#19295#19146
35K → 23M63170-107#19146#19253
23M → 24M10720+87#19253#19166
24M → 40K6784-17#19166#19183
40K → 25.2M4313+30#19183#19153
25.2M → Finish1515+146#19153#19007
TOTALS21272922-795
📊

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