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BOSTON MARATHON 2025

Julie Nigro

Bib: 27437•F

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
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
25:24
Rank: #17946
Start → 5K
25:24 | 8:11/mi
10K· 6.21 mi
50:30
Rank: #17466 (+480)
5K → 10K
25:06 | 8:05/mi
15K· 9.32 mi
1:15:40
Rank: #17218 (+248)
10K → 15K
25:10 | 8:06/mi
20K· 12.43 mi
1:41:03
Rank: #16911 (+307)
15K → 20K
25:23 | 8:10/mi
Half· 13.11 mi
1:46:38
Rank: #16926 (-15)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:06:57
Rank: #16790 (+136)
Half → 25K
20:19 | 8:23/mi
30K· 18.64 mi
2:33:53
Rank: #16561 (+229)
25K → 30K
26:56 | 8:40/mi
20M
2:46:02
Rank: #16524 (+37)
30K → 20M
12:09 | 8:56/mi
21M
2:55:16
Rank: #16364 (+160)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
3:01:46
Rank: #16337 (+27)
21M → 35K
6:30 | 8:41/mi
23M
3:12:59
Rank: #16268 (+69)
35K → 23M
11:13 | 8:58/mi
24M
3:21:42
Rank: #16227 (+41)
23M → 24M
8:43 | 8:43/mi
40K· 24.85 mi
3:29:12
Rank: #16187 (+40)
24M → 40K
7:30 | 8:46/mi
25.2M
3:32:28
Rank: #16152 (+35)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:40:44
Rank: #16048 (+104)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:38
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:54:06
Pace8:42 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:2025:248:1125:24
8:11
-
10K
6.21 mi12:06:2650:308:0825:06
8:05
-0:06
15K
9.32 mi12:31:361:15:408:0725:10
8:06
+0:01
20K
12.43 mi12:56:591:41:038:0825:23
8:10
+0:04
Half
13.11 mi13:02:341:46:388:085:35
8:11
+0:01
25K
15.53 mi13:22:532:06:578:1020:19
8:23
+0:12
30K
18.64 mi13:49:492:33:538:1526:56
8:40
+0:17
20M
20.00 mi14:01:582:46:028:1812:09
8:56
+0:16
21M
21.00 mi14:11:122:55:168:219:14
9:14
+0:18
35K
21.75 mi14:17:423:01:468:216:30
8:41
-0:33
23M
23.00 mi14:28:553:12:598:2311:13
8:58
+0:17
24M
24.00 mi14:37:383:21:428:248:43
8:43
-0:15
40K
24.85 mi14:45:083:29:128:257:30
8:46
+0:03
25.2M
25.20 mi14:48:243:32:288:263:16
9:28
+0:42
Finish
26.22 mi14:56:403:40:448:258:16
8:07
-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

8:05 /mi

Average Pace

8:25 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:52

84% of race

Time at Steady Pace

35:52

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:25 /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 mi11:41:2025:248:1125:24
8:11
#17946
10K
6.21 mi12:06:2650:308:0825:06
8:05
#17466
15K
9.32 mi12:31:361:15:408:0725:10
8:06
#17218
20K
12.43 mi12:56:591:41:038:0825:23
8:10
#16911
Half
13.11 mi13:02:341:46:388:085:35
8:11
#16926
25K
15.53 mi13:22:532:06:578:1020:19
8:23
#16790
30K
18.64 mi13:49:492:33:538:1526:56
8:40
#16561
20M
20.00 mi14:01:582:46:028:1812:09
8:56
#16524
21M
21.00 mi14:11:122:55:168:219:14
9:14
#16364
35K
21.75 mi14:17:423:01:468:216:30
8:41
#16337
23M
23.00 mi14:28:553:12:598:2311:13
8:58
#16268
24M
24.00 mi14:37:383:21:428:248:43
8:43
#16227
40K
24.85 mi14:45:083:29:128:257:30
8:46
#16187
25.2M
25.20 mi14:48:243:32:288:263:16
9:28
#16152
Finish
26.22 mi14:56:403:40:448:258:16
8:07
#16048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi179466308630816747(Top 59%)5582(Top 46%)5582(Top 102%)
10K6.21 mi3.10 mi17466+4806017+2916017+29117060(Top 60%)5738(Top 47%)5738(Top 105%)
15K9.32 mi3.11 mi17218+2485841+1765841+17616747(Top 59%)5582(Top 46%)5582(Top 102%)
20K12.43 mi3.11 mi16911+3075687+1545687+15416125(Top 57%)5290(Top 43%)5290(Top 97%)
Half13.11 mi0.68 mi16926-155697-105697-1017215(Top 61%)5880(Top 48%)5880(Top 108%)
25K15.53 mi2.42 mi16790+1365642+555642+5516446(Top 58%)5557(Top 45%)5557(Top 102%)
30K18.64 mi3.11 mi16561+2295562+805562+8015827(Top 56%)5357(Top 44%)5357(Top 98%)
20M20.00 mi1.36 mi16524+375569-75569-716487(Top 58%)5868(Top 48%)5868(Top 107%)
21M21.00 mi1.00 mi16364+1605506+635506+6314838(Top 52%)5078(Top 42%)5078(Top 93%)
35K21.75 mi0.75 mi16337+275505+15505+116628(Top 59%)6124(Top 50%)6124(Top 112%)
23M23.00 mi1.25 mi16268+695503+25503+216045(Top 56%)5910(Top 48%)5910(Top 108%)
24M24.00 mi1.00 mi16227+415510-75510-715852(Top 56%)5842(Top 48%)5842(Top 107%)
40K24.85 mi0.85 mi16187+405506+45506+415049(Top 53%)5544(Top 45%)5544(Top 101%)
25.2M25.20 mi0.35 mi16152+355499+75499+714503(Top 51%)5292(Top 43%)5292(Top 97%)
Finish26.22 mi1.02 mi16048+1045459+405459+4013719(Top 48%)4817(Top 39%)4817(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

16747

Females

5582

F18-39

5582

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17060

Females

5738

F18-39

5738

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

16747

Females

5582

F18-39

5582

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16125

Females

5290

F18-39

5290

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

17215

Females

5880

F18-39

5880

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16446

Females

5557

F18-39

5557

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15827

Females

5357

F18-39

5357

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

16487

Females

5868

F18-39

5868

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14838

Females

5078

F18-39

5078

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

16628

Females

6124

F18-39

6124

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

16045

Females

5910

F18-39

5910

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15852

Females

5842

F18-39

5842

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

15049

Females

5544

F18-39

5544

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14503

Females

5292

F18-39

5292

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

13719

Females

4817

F18-39

4817

Passing Analysis

Category:
Athletes Passed
2747
Passed By
849
Net Change
+1898
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17946
5K → 10K580100+480#17946#17466
10K → 15K34395+248#17466#17218
15K → 20K35750+307#17218#16911
20K → Half2944-15#16911#16926
Half → 25K21781+136#16926#16790
25K → 30K334105+229#16790#16561
30K → 20M12487+37#16561#16524
20M → 21M19434+160#16524#16364
21M → 35K7144+27#16364#16337
35K → 23M14475+69#16337#16268
23M → 24M9655+41#16268#16227
24M → 40K8343+40#16227#16187
40K → 25.2M5015+35#16187#16152
25.2M → Finish12521+104#16152#16048
TOTALS2747849+1898
📊

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