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BOSTON MARATHON 2025

Colleen Leddie

Bib: 27670•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
24:50
Rank: #16551
Start → 5K
24:50 | 8:00/mi
10K· 6.21 mi
48:26
Rank: #14759 (+1792)
5K → 10K
23:36 | 7:36/mi
15K· 9.32 mi
1:12:48
Rank: #14728 (+31)
10K → 15K
24:22 | 7:51/mi
20K· 12.43 mi
1:39:56
Rank: #16253 (-1525)
15K → 20K
27:08 | 8:44/mi
Half· 13.11 mi
1:45:48
Rank: #16464 (-211)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:07:35
Rank: #17035 (-571)
Half → 25K
21:47 | 8:59/mi
30K· 18.64 mi
2:37:40
Rank: #17834 (-799)
25K → 30K
30:05 | 9:41/mi
20M
2:50:56
Rank: #18072 (-238)
30K → 20M
13:16 | 9:46/mi
21M
3:00:54
Rank: #18095 (-23)
20M → 21M
9:58 | 9:58/mi
35K· 21.75 mi
3:07:38
Rank: #18101 (-6)
21M → 35K
6:44 | 9:00/mi
23M
3:19:19
Rank: #18073 (+28)
35K → 23M
11:41 | 9:20/mi
24M
3:28:28
Rank: #18071 (+2)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:36:33
Rank: #18094 (-23)
24M → 40K
8:05 | 9:27/mi
25.2M
3:40:19
Rank: #18156 (-62)
40K → 25.2M
3:46 | 10:55/mi
Finish· 26.22 mi
3:49:39
Rank: #18243 (-87)
25.2M → Finish
9:20 | 9:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:48
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time2:03:51
Pace9:27 /mi
📊Positive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:3124:508:0024:50
8:00
-
10K
6.21 mi12:05:0748:267:4823:36
7:36
-0:24
15K
9.32 mi12:29:291:12:487:4924:22
7:51
+0:15
20K
12.43 mi12:56:371:39:568:0227:08
8:44
+0:53
Half
13.11 mi13:02:291:45:488:045:52
8:36
-0:08
25K
15.53 mi13:24:162:07:358:1321:47
8:59
+0:23
30K
18.64 mi13:54:212:37:408:2730:05
9:41
+0:42
20M
20.00 mi14:07:372:50:568:3313:16
9:46
+0:05
21M
21.00 mi14:17:353:00:548:379:58
9:58
+0:12
35K
21.75 mi14:24:193:07:388:386:44
9:00
-0:58
23M
23.00 mi14:36:003:19:198:4011:41
9:20
+0:20
24M
24.00 mi14:45:093:28:288:419:09
9:09
-0:11
40K
24.85 mi14:53:143:36:338:438:05
9:27
+0:18
25.2M
25.20 mi14:57:003:40:198:453:46
10:55
+1:28
Finish
26.22 mi15:06:203:49:398:469:20
9:10
-1:45

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

7:36 /mi

Average Pace

8:46 /mi

Slowest Pace

10:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:40

34% of race

Time at Steady Pace

1:33:54

41% of race

Time at Slower Pace

57:05

25% of race

Average Pace: 8:46 /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 mi11:41:3124:508:0024:50
8:00
#16551
10K
6.21 mi12:05:0748:267:4823:36
7:36
#14759
15K
9.32 mi12:29:291:12:487:4924:22
7:51
#14728
20K
12.43 mi12:56:371:39:568:0227:08
8:44
#16253
Half
13.11 mi13:02:291:45:488:045:52
8:36
#16464
25K
15.53 mi13:24:162:07:358:1321:47
8:59
#17035
30K
18.64 mi13:54:212:37:408:2730:05
9:41
#17834
20M
20.00 mi14:07:372:50:568:3313:16
9:46
#18072
21M
21.00 mi14:17:353:00:548:379:58
9:58
#18095
35K
21.75 mi14:24:193:07:388:386:44
9:00
#18101
23M
23.00 mi14:36:003:19:198:4011:41
9:20
#18073
24M
24.00 mi14:45:093:28:288:419:09
9:09
#18071
40K
24.85 mi14:53:143:36:338:438:05
9:27
#18094
25.2M
25.20 mi14:57:003:40:198:453:46
10:55
#18156
Finish
26.22 mi15:06:203:49:398:469:20
9:10
#18243
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi165515487548714769(Top 52%)4461(Top 36%)4461(Top 82%)
10K6.21 mi3.10 mi14759+17924410+10774410+107713015(Top 46%)3382(Top 28%)3382(Top 62%)
15K9.32 mi3.11 mi14728+314392+184392+1814769(Top 52%)4461(Top 36%)4461(Top 82%)
20K12.43 mi3.11 mi16253-15255301-9095301-90919590(Top 69%)7254(Top 59%)7254(Top 133%)
Half13.11 mi0.68 mi16464-2115416-1155416-11519824(Top 70%)7362(Top 60%)7362(Top 135%)
25K15.53 mi2.42 mi17035-5715787-3715787-37119826(Top 70%)7428(Top 61%)7428(Top 136%)
30K18.64 mi3.11 mi17834-7996309-5226309-52220637(Top 73%)8008(Top 65%)8008(Top 146%)
20M20.00 mi1.36 mi18072-2386465-1566465-15620169(Top 71%)7889(Top 65%)7889(Top 144%)
21M21.00 mi1.00 mi18095-236488-236488-2318180(Top 64%)6884(Top 56%)6884(Top 126%)
35K21.75 mi0.75 mi18101-66513-256513-2518252(Top 64%)7044(Top 58%)7044(Top 129%)
23M23.00 mi1.25 mi18073+286535-226535-2217943(Top 63%)6958(Top 57%)6958(Top 127%)
24M24.00 mi1.00 mi18071+26554-196554-1918132(Top 64%)7106(Top 58%)7106(Top 130%)
40K24.85 mi0.85 mi18094-236597-436597-4318546(Top 65%)7402(Top 61%)7402(Top 135%)
25.2M25.20 mi0.35 mi18156-626644-476644-4720404(Top 72%)8352(Top 68%)8352(Top 153%)
Finish26.22 mi1.02 mi18243-876710-666710-6619790(Top 70%)8029(Top 66%)8029(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

14769

Females

4461

F18-39

4461

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

13015

Females

3382

F18-39

3382

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

14769

Females

4461

F18-39

4461

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19590

Females

7254

F18-39

7254

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19824

Females

7362

F18-39

7362

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

19826

Females

7428

F18-39

7428

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

20637

Females

8008

F18-39

8008

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20169

Females

7889

F18-39

7889

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

18180

Females

6884

F18-39

6884

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18252

Females

7044

F18-39

7044

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17943

Females

6958

F18-39

6958

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18132

Females

7106

F18-39

7106

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18546

Females

7402

F18-39

7402

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

20404

Females

8352

F18-39

8352

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19790

Females

8029

F18-39

8029

Passing Analysis

Category:
Athletes Passed
2657
Passed By
4349
Net Change
-1692
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16551
5K → 10K180816+1792#16551#14759
10K → 15K203172+31#14759#14728
15K → 20K271552-1525#14728#16253
20K → Half3214-211#16253#16464
Half → 25K48619-571#16464#17035
25K → 30K61860-799#17035#17834
30K → 20M64302-238#17834#18072
20M → 21M85108-23#18072#18095
21M → 35K5662-6#18095#18101
35K → 23M11789+28#18101#18073
23M → 24M7775+2#18073#18071
24M → 40K5982-23#18071#18094
40K → 25.2M1476-62#18094#18156
25.2M → Finish35122-87#18156#18243
TOTALS26574349-1692
📊

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