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BOSTON MARATHON 2025

Erin Carroll

Bib: 17216•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Female)
#0 / 12228
Top 30%
Division (F18-39)
#0 / 5469
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #14696
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
48:37
Rank: #14973 (-277)
5K → 10K
24:25 | 7:52/mi
15K· 9.32 mi
1:12:53
Rank: #14801 (+172)
10K → 15K
24:16 | 7:49/mi
20K· 12.43 mi
1:37:23
Rank: #14539 (+262)
15K → 20K
24:30 | 7:53/mi
Half· 13.11 mi
1:42:42
Rank: #14510 (+29)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:01:56
Rank: #14304 (+206)
Half → 25K
19:14 | 7:56/mi
30K· 18.64 mi
2:27:09
Rank: #13824 (+480)
25K → 30K
25:13 | 8:07/mi
20M
2:38:16
Rank: #13627 (+197)
30K → 20M
11:07 | 8:11/mi
21M
2:46:46
Rank: #13403 (+224)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:52:39
Rank: #13321 (+82)
21M → 35K
5:53 | 7:52/mi
23M
3:02:50
Rank: #13146 (+175)
35K → 23M
10:11 | 8:08/mi
24M
3:10:55
Rank: #13065 (+81)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:17:55
Rank: #12992 (+73)
24M → 40K
7:00 | 8:11/mi
25.2M
3:20:59
Rank: #12965 (+27)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:28:41
Rank: #12807 (+158)
25.2M → Finish
7:42 | 7:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:42
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:45:59
Pace8:05 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2224:127:4724:12
7:47
-
10K
6.21 mi11:38:4748:377:4924:25
7:52
+0:05
15K
9.32 mi12:03:031:12:537:4924:16
7:49
-0:03
20K
12.43 mi12:27:331:37:237:5024:30
7:53
+0:04
Half
13.11 mi12:32:521:42:427:505:19
7:48
-0:05
25K
15.53 mi12:52:062:01:567:5119:14
7:56
+0:08
30K
18.64 mi13:17:192:27:097:5425:13
8:07
+0:11
20M
20.00 mi13:28:262:38:167:5511:07
8:11
+0:04
21M
21.00 mi13:36:562:46:467:568:30
8:30
+0:19
35K
21.75 mi13:42:492:52:397:565:53
7:52
-0:38
23M
23.00 mi13:53:003:02:507:5710:11
8:08
+0:16
24M
24.00 mi14:01:053:10:557:578:05
8:05
-0:03
40K
24.85 mi14:08:053:17:557:587:00
8:11
+0:06
25.2M
25.20 mi14:11:093:20:597:593:04
8:54
+0:43
Finish
26.22 mi14:18:513:28:417:587:42
7:33
-1:21

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

7:33 /mi

Average Pace

7:58 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:07

94% of race

Time at Steady Pace

11:34

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:14:2224:127:4724:12
7:47
#14696
10K
6.21 mi11:38:4748:377:4924:25
7:52
#14973
15K
9.32 mi12:03:031:12:537:4924:16
7:49
#14801
20K
12.43 mi12:27:331:37:237:5024:30
7:53
#14539
Half
13.11 mi12:32:521:42:427:505:19
7:48
#14510
25K
15.53 mi12:52:062:01:567:5119:14
7:56
#14304
30K
18.64 mi13:17:192:27:097:5425:13
8:07
#13824
20M
20.00 mi13:28:262:38:167:5511:07
8:11
#13627
21M
21.00 mi13:36:562:46:467:568:30
8:30
#13403
35K
21.75 mi13:42:492:52:397:565:53
7:52
#13321
23M
23.00 mi13:53:003:02:507:5710:11
8:08
#13146
24M
24.00 mi14:01:053:10:557:578:05
8:05
#13065
40K
24.85 mi14:08:053:17:557:587:00
8:11
#12992
25.2M
25.20 mi14:11:093:20:597:593:04
8:54
#12965
Finish
26.22 mi14:18:513:28:417:587:42
7:33
#12807
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi146964349434914436(Top 51%)4278(Top 35%)4278(Top 78%)
10K6.21 mi3.10 mi14973-2774537-1884537-18815326(Top 54%)4745(Top 39%)4745(Top 87%)
15K9.32 mi3.11 mi14801+1724435+1024435+10214436(Top 51%)4278(Top 35%)4278(Top 78%)
20K12.43 mi3.11 mi14539+2624313+1224313+12213953(Top 49%)4072(Top 33%)4072(Top 74%)
Half13.11 mi0.68 mi14510+294298+154298+1514114(Top 50%)4146(Top 34%)4146(Top 76%)
25K15.53 mi2.42 mi14304+2064221+774221+7713329(Top 47%)3850(Top 31%)3850(Top 70%)
30K18.64 mi3.11 mi13824+4804012+2094012+20912199(Top 43%)3393(Top 28%)3393(Top 62%)
20M20.00 mi1.36 mi13627+1973923+893923+8911657(Top 41%)3279(Top 27%)3279(Top 60%)
21M21.00 mi1.00 mi13403+2243836+873836+8710404(Top 37%)2833(Top 23%)2833(Top 52%)
35K21.75 mi0.75 mi13321+823811+253811+2511216(Top 39%)3242(Top 27%)3242(Top 59%)
23M23.00 mi1.25 mi13146+1753756+553756+5510914(Top 38%)3198(Top 26%)3198(Top 58%)
24M24.00 mi1.00 mi13065+813741+153741+1511743(Top 41%)3696(Top 30%)3696(Top 68%)
40K24.85 mi0.85 mi12992+733732+93732+911426(Top 40%)3635(Top 30%)3635(Top 66%)
25.2M25.20 mi0.35 mi12965+273722+103722+1011071(Top 39%)3560(Top 29%)3560(Top 65%)
Finish26.22 mi1.02 mi12807+1583657+653657+659547(Top 34%)2800(Top 23%)2800(Top 51%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14436

Females

4278

F18-39

4278

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15326

Females

4745

F18-39

4745

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14436

Females

4278

F18-39

4278

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13953

Females

4072

F18-39

4072

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

14114

Females

4146

F18-39

4146

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

13329

Females

3850

F18-39

3850

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

12199

Females

3393

F18-39

3393

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11657

Females

3279

F18-39

3279

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10404

Females

2833

F18-39

2833

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

11216

Females

3242

F18-39

3242

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10914

Females

3198

F18-39

3198

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11743

Females

3696

F18-39

3696

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11426

Females

3635

F18-39

3635

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11071

Females

3560

F18-39

3560

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2stories
+22ft-21ft

Overall

9547

Females

2800

F18-39

2800

Passing Analysis

Category:
Athletes Passed
2865
Passed By
976
Net Change
+1889
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14696
5K → 10K182459-277#14696#14973
10K → 15K289117+172#14973#14801
15K → 20K33573+262#14801#14539
20K → Half6031+29#14539#14510
Half → 25K27064+206#14510#14304
25K → 30K52242+480#14304#13824
30K → 20M22427+197#13824#13627
20M → 21M23511+224#13627#13403
21M → 35K10826+82#13403#13321
35K → 23M20227+175#13321#13146
23M → 24M11130+81#13146#13065
24M → 40K11037+73#13065#12992
40K → 25.2M4518+27#12992#12965
25.2M → Finish17214+158#12965#12807
TOTALS2865976+1889
📊

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