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BOSTON MARATHON 2025

Ami Mcclay

Bib: 15468•F

FL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:47
Rank: #10715
Start → 5K
22:47 | 7:20/mi
10K· 6.21 mi
45:34
Rank: #10617 (+98)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:08:19
Rank: #10479 (+138)
10K → 15K
22:45 | 7:19/mi
20K· 12.43 mi
1:31:10
Rank: #10182 (+297)
15K → 20K
22:51 | 7:21/mi
Half· 13.11 mi
1:36:06
Rank: #10141 (+41)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:53:57
Rank: #9873 (+268)
Half → 25K
17:51 | 7:22/mi
30K· 18.64 mi
2:17:10
Rank: #9359 (+514)
25K → 30K
23:13 | 7:28/mi
20M
2:27:07
Rank: #9013 (+346)
30K → 20M
9:57 | 7:19/mi
21M
2:34:59
Rank: #8804 (+209)
20M → 21M
7:52 | 7:52/mi
35K· 21.75 mi
2:40:29
Rank: #8743 (+61)
21M → 35K
5:30 | 7:21/mi
23M
2:49:42
Rank: #8446 (+297)
35K → 23M
9:13 | 7:22/mi
24M
2:56:57
Rank: #8280 (+166)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:03:13
Rank: #8153 (+127)
24M → 40K
6:16 | 7:20/mi
25.2M
3:06:02
Rank: #8118 (+35)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:13:17
Rank: #7998 (+120)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:06
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:37:11
Pace7:25 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2422:477:2022:47
7:20
-
10K
6.21 mi11:18:1145:347:2022:47
7:20
0:00
15K
9.32 mi11:40:561:08:197:2022:45
7:19
-0:01
20K
12.43 mi12:03:471:31:107:2022:51
7:21
+0:02
Half
13.11 mi12:08:431:36:067:204:56
7:14
-0:07
25K
15.53 mi12:26:341:53:577:2017:51
7:22
+0:08
30K
18.64 mi12:49:472:17:107:2123:13
7:28
+0:06
20M
20.00 mi12:59:442:27:077:219:57
7:19
-0:09
21M
21.00 mi13:07:362:34:597:237:52
7:52
+0:33
35K
21.75 mi13:13:062:40:297:235:30
7:21
-0:31
23M
23.00 mi13:22:192:49:427:239:13
7:22
+0:01
24M
24.00 mi13:29:342:56:577:227:15
7:15
-0:07
40K
24.85 mi13:35:503:03:137:226:16
7:20
+0:05
25.2M
25.20 mi13:38:393:06:027:232:49
8:10
+0:50
Finish
26.22 mi13:45:543:13:177:237:15
7:07
-1:03

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

7:07 /mi

Average Pace

7:23 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:36

94% of race

Time at Steady Pace

10:41

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:55:2422:477:2022:47
7:20
#10715
10K
6.21 mi11:18:1145:347:2022:47
7:20
#10617
15K
9.32 mi11:40:561:08:197:2022:45
7:19
#10479
20K
12.43 mi12:03:471:31:107:2022:51
7:21
#10182
Half
13.11 mi12:08:431:36:067:204:56
7:14
#10141
25K
15.53 mi12:26:341:53:577:2017:51
7:22
#9873
30K
18.64 mi12:49:472:17:107:2123:13
7:28
#9359
20M
20.00 mi12:59:442:27:077:219:57
7:19
#9013
21M
21.00 mi13:07:362:34:597:237:52
7:52
#8804
35K
21.75 mi13:13:062:40:297:235:30
7:21
#8743
23M
23.00 mi13:22:192:49:427:239:13
7:22
#8446
24M
24.00 mi13:29:342:56:577:227:15
7:15
#8280
40K
24.85 mi13:35:503:03:137:226:16
7:20
#8153
25.2M
25.20 mi13:38:393:06:027:232:49
8:10
#8118
Finish
26.22 mi13:45:543:13:177:237:15
7:07
#7998
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi107152141214110180(Top 36%)1963(Top 16%)1963(Top 36%)
10K6.21 mi3.10 mi10617+982117+242117+2410608(Top 37%)2110(Top 17%)2110(Top 39%)
15K9.32 mi3.11 mi10479+1382061+562061+5610180(Top 36%)1963(Top 16%)1963(Top 36%)
20K12.43 mi3.11 mi10182+2971951+1101951+1109510(Top 33%)1737(Top 14%)1737(Top 32%)
Half13.11 mi0.68 mi10141+411931+201931+209418(Top 33%)1661(Top 14%)1661(Top 30%)
25K15.53 mi2.42 mi9873+2681848+831848+838848(Top 31%)1571(Top 13%)1571(Top 29%)
30K18.64 mi3.11 mi9359+5141661+1871661+1877564(Top 27%)1220(Top 10%)1220(Top 22%)
20M20.00 mi1.36 mi9013+3461544+1171544+1175963(Top 21%)783(Top 6%)783(Top 14%)
21M21.00 mi1.00 mi8804+2091490+541490+546609(Top 23%)1153(Top 9%)1153(Top 21%)
35K21.75 mi0.75 mi8743+611489+11489+17596(Top 27%)1525(Top 12%)1525(Top 28%)
23M23.00 mi1.25 mi8446+2971412+771412+775847(Top 21%)961(Top 8%)961(Top 18%)
24M24.00 mi1.00 mi8280+1661379+331379+336154(Top 22%)1130(Top 9%)1130(Top 21%)
40K24.85 mi0.85 mi8153+1271360+191360+195849(Top 21%)1081(Top 9%)1081(Top 20%)
25.2M25.20 mi0.35 mi8118+351362-21362-26923(Top 24%)1595(Top 13%)1595(Top 29%)
Finish26.22 mi1.02 mi7998+1201352+101352+106494(Top 23%)1437(Top 12%)1437(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10180

Females

1963

F18-39

1963

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10608

Females

2110

F18-39

2110

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10180

Females

1963

F18-39

1963

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9510

Females

1737

F18-39

1737

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9418

Females

1661

F18-39

1661

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8848

Females

1571

F18-39

1571

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7564

Females

1220

F18-39

1220

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5963

Females

783

F18-39

783

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6609

Females

1153

F18-39

1153

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7596

Females

1525

F18-39

1525

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5847

Females

961

F18-39

961

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6154

Females

1130

F18-39

1130

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5849

Females

1081

F18-39

1081

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6923

Females

1595

F18-39

1595

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6494

Females

1437

F18-39

1437

Passing Analysis

Category:
Athletes Passed
3223*
Passed By
505
Net Change
+2717
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10715
5K → 10K303205+98#10715#10617
10K → 15K23193+138#10617#10479
15K → 20K33638+297#10479#10182
20K → Half5514+41#10182#10141
Half → 25K297*29+268#10141#9873
25K → 30K53420+514#9873#9359
30K → 20M3493+346#9359#9013
20M → 21M22920+209#9013#8804
21M → 35K8120+61#8804#8743
35K → 23M3003+297#8743#8446
23M → 24M17812+166#8446#8280
24M → 40K1358+127#8280#8153
40K → 25.2M4813+35#8153#8118
25.2M → Finish14727+120#8118#7998
TOTALS3223*505+2717

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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