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BOSTON MARATHON 2025

Nicole Leblanc

Bib: 12419•F

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:40
Rank: #7632
Start → 5K
21:40 | 6:58/mi
10K· 6.21 mi
43:09
Rank: #7476 (+156)
5K → 10K
21:29 | 6:55/mi
15K· 9.32 mi
1:04:55
Rank: #7530 (-54)
10K → 15K
21:46 | 7:00/mi
20K· 12.43 mi
1:27:01
Rank: #7517 (+13)
15K → 20K
22:06 | 7:07/mi
Half· 13.11 mi
1:31:46
Rank: #7497 (+20)
20K → Half
4:45 | 6:58/mi
25K· 15.53 mi
1:49:06
Rank: #7409 (+88)
Half → 25K
17:20 | 7:09/mi
30K· 18.64 mi
2:12:05
Rank: #7250 (+159)
25K → 30K
22:59 | 7:24/mi
20M
2:22:20
Rank: #7182 (+68)
30K → 20M
10:15 | 7:33/mi
21M
2:30:21
Rank: #7128 (+54)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:35:51
Rank: #7101 (+27)
21M → 35K
5:30 | 7:21/mi
23M
2:45:29
Rank: #7073 (+28)
35K → 23M
9:38 | 7:42/mi
24M
2:53:03
Rank: #7072 (+1)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
2:59:40
Rank: #7077 (-5)
24M → 40K
6:37 | 7:44/mi
25.2M
3:02:21
Rank: #7022 (+55)
40K → 25.2M
2:41 | 7:48/mi
Finish· 26.22 mi
3:10:18
Rank: #7146 (-124)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:46
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:38:32
Pace7:31 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3321:406:5821:40
6:58
-
10K
6.21 mi11:11:0243:096:5721:29
6:55
-0:03
15K
9.32 mi11:32:481:04:556:5821:46
7:00
+0:05
20K
12.43 mi11:54:541:27:017:0022:06
7:07
+0:07
Half
13.11 mi11:59:391:31:467:004:45
6:58
-0:09
25K
15.53 mi12:16:591:49:067:0117:20
7:09
+0:11
30K
18.64 mi12:39:582:12:057:0522:59
7:24
+0:15
20M
20.00 mi12:50:132:22:207:0710:15
7:33
+0:09
21M
21.00 mi12:58:142:30:217:108:01
8:01
+0:28
35K
21.75 mi13:03:442:35:517:105:30
7:21
-0:40
23M
23.00 mi13:13:222:45:297:129:38
7:42
+0:21
24M
24.00 mi13:20:562:53:037:137:34
7:34
-0:08
40K
24.85 mi13:27:332:59:407:146:37
7:44
+0:10
25.2M
25.20 mi13:30:143:02:217:142:41
7:48
+0:04
Finish
26.22 mi13:38:113:10:187:167:57
7:48
0:00

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

6:55 /mi

Average Pace

7:16 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:24

82% of race

Time at Steady Pace

34:54

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:49:3321:406:5821:40
6:58
#7632
10K
6.21 mi11:11:0243:096:5721:29
6:55
#7476
15K
9.32 mi11:32:481:04:556:5821:46
7:00
#7530
20K
12.43 mi11:54:541:27:017:0022:06
7:07
#7517
Half
13.11 mi11:59:391:31:467:004:45
6:58
#7497
25K
15.53 mi12:16:591:49:067:0117:20
7:09
#7409
30K
18.64 mi12:39:582:12:057:0522:59
7:24
#7250
20M
20.00 mi12:50:132:22:207:0710:15
7:33
#7182
21M
21.00 mi12:58:142:30:217:108:01
8:01
#7128
35K
21.75 mi13:03:442:35:517:105:30
7:21
#7101
23M
23.00 mi13:13:222:45:297:129:38
7:42
#7073
24M
24.00 mi13:20:562:53:037:137:34
7:34
#7072
40K
24.85 mi13:27:332:59:407:146:37
7:44
#7077
25.2M
25.20 mi13:30:143:02:217:142:41
7:48
#7022
Finish
26.22 mi13:38:113:10:187:167:57
7:48
#7146
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76328648647675(Top 27%)925(Top 8%)925(Top 17%)
10K6.21 mi3.10 mi7476+156823+41823+417366(Top 26%)799(Top 7%)799(Top 15%)
15K9.32 mi3.11 mi7530-54850-27850-277675(Top 27%)925(Top 8%)925(Top 17%)
20K12.43 mi3.11 mi7517+13854-4854-47618(Top 27%)976(Top 8%)976(Top 18%)
Half13.11 mi0.68 mi7497+20851+3851+37376(Top 26%)874(Top 7%)874(Top 16%)
25K15.53 mi2.42 mi7409+88839+12839+127283(Top 26%)958(Top 8%)958(Top 18%)
30K18.64 mi3.11 mi7250+159848-9848-97042(Top 25%)1025(Top 8%)1025(Top 19%)
20M20.00 mi1.36 mi7182+68854-6854-67317(Top 26%)1263(Top 10%)1263(Top 23%)
21M21.00 mi1.00 mi7128+54871-17871-177449(Top 26%)1483(Top 12%)1483(Top 27%)
35K21.75 mi0.75 mi7101+27884-13884-137584(Top 27%)1513(Top 12%)1513(Top 28%)
23M23.00 mi1.25 mi7073+28910-26910-267879(Top 28%)1767(Top 14%)1767(Top 32%)
24M24.00 mi1.00 mi7072+1943-33943-338174(Top 29%)1928(Top 16%)1928(Top 35%)
40K24.85 mi0.85 mi7077-5977-34977-348363(Top 29%)2146(Top 18%)2146(Top 39%)
25.2M25.20 mi0.35 mi7022+55969+8969+84896(Top 17%)863(Top 7%)863(Top 16%)
Finish26.22 mi1.02 mi7146-1241033-641033-6411386(Top 40%)3672(Top 30%)3672(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7675

Females

925

F18-39

925

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7366

Females

799

F18-39

799

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7675

Females

925

F18-39

925

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7618

Females

976

F18-39

976

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7376

Females

874

F18-39

874

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7283

Females

958

F18-39

958

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7042

Females

1025

F18-39

1025

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7317

Females

1263

F18-39

1263

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

7449

Females

1483

F18-39

1483

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7584

Females

1513

F18-39

1513

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7879

Females

1767

F18-39

1767

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8174

Females

1928

F18-39

1928

24M→40K

24.0 - 24.9 mi

Top 29%
×1story
+6ft-20ft

Overall

8363

Females

2146

F18-39

2146

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4896

Females

863

F18-39

863

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

11386

Females

3672

F18-39

3672

Passing Analysis

Category:
Athletes Passed
1582
Passed By
1096
Net Change
+486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7632
5K → 10K278122+156#7632#7476
10K → 15K123177-54#7476#7530
15K → 20K134121+13#7530#7517
20K → Half3515+20#7517#7497
Half → 25K14658+88#7497#7409
25K → 30K25091+159#7409#7250
30K → 20M11749+68#7250#7182
20M → 21M11763+54#7182#7128
21M → 35K6437+27#7128#7101
35K → 23M9567+28#7101#7073
23M → 24M6665+1#7073#7072
24M → 40K6469-5#7072#7077
40K → 25.2M605+55#7077#7022
25.2M → Finish33157-124#7022#7146
TOTALS15821096+486
📊

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