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BOSTON MARATHON 2026

Julia Nadeau

Bib: 31663•F

MA

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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
27:07
3.11 mi
Rank: #21342
Start → 5K
27:07 | 8:44/mi
10K
53:29
6.21 mi
Rank: #20797 (+545)
5K → 10K
26:22 | 8:30/mi
15K
1:19:59
9.32 mi
Rank: #20627 (+170)
10K → 15K
26:30 | 8:32/mi
20K
1:46:29
12.43 mi
Rank: #20289 (+338)
15K → 20K
26:30 | 8:32/mi
HALF
1:52:09
13.11 mi
Rank: #20225 (+64)
20K → HALF
5:40 | 8:19/mi
25K
2:13:50
15.53 mi
Rank: #20365 (-140)
HALF → 25K
21:41 | 8:57/mi
30K
2:42:29
18.64 mi
Rank: #20421 (-56)
25K → 30K
28:39 | 9:14/mi
20M
2:54:56
20.00 mi
Rank: #20358 (+63)
30K → 20M
12:27 | 9:10/mi
21M
3:04:16
21.00 mi
Rank: #20221 (+137)
20M → 21M
9:20 | 9:20/mi
35K
3:11:40
21.75 mi
Rank: #20366 (-145)
21M → 35K
7:24 | 9:54/mi
23M
3:23:23
23.00 mi
Rank: #20341 (+25)
35K → 23M
11:43 | 9:22/mi
24M
3:33:03
24.00 mi
Rank: #20427 (-86)
23M → 24M
9:40 | 9:40/mi
40K
3:41:52
24.85 mi
Rank: #20554 (-127)
24M → 40K
8:49 | 10:19/mi
25.2M
3:45:21
25.20 mi
Rank: #20556 (-2)
40K → 25.2M
3:29 | 10:07/mi
FINISH
3:54:33
26.22 mi
Rank: #20577 (-21)
25.2M → FINISH
9:12 | 9:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:52:09
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:02:24
Pace9:21 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1027:078:4427:07
8:44
-
10K
6.21 mi12:23:3253:298:3726:22
8:30
-0:14
15K
9.32 mi12:50:021:19:598:3526:30
8:32
+0:02
20K
12.43 mi13:16:321:46:298:3526:30
8:32
0:00
HALF
13.11 mi13:22:121:52:098:345:40
8:19
-0:13
25K
15.53 mi13:43:532:13:508:3721:41
8:57
+0:38
30K
18.64 mi14:12:322:42:298:4328:39
9:14
+0:17
20M
20.00 mi14:24:592:54:568:4512:27
9:10
-0:04
21M
21.00 mi14:34:193:04:168:479:20
9:20
+0:10
35K
21.75 mi14:41:433:11:408:497:24
9:54
+0:34
23M
23.00 mi14:53:263:23:238:5111:43
9:22
-0:32
24M
24.00 mi15:03:063:33:038:539:40
9:40
+0:18
40K
24.85 mi15:11:553:41:528:568:49
10:19
+0:39
25.2M
25.20 mi15:15:243:45:218:573:29
10:07
-0:12
FINISH
26.22 mi15:24:363:54:338:589:12
9:02
-1:05

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

8:19 /mi

Average Pace

8:57 /mi

Slowest Pace

10:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:52:09

48% of race

Time at Steady Pace

1:33:02

40% of race

Time at Slower Pace

29:22

13% of race

Average Pace: 8:57 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:57:1027:078:4427:07
8:44
#21342
10K
6.21 mi12:23:3253:298:3726:22
8:30
#20797
15K
9.32 mi12:50:021:19:598:3526:30
8:32
#20627
20K
12.43 mi13:16:321:46:298:3526:30
8:32
#20289
HALF
13.11 mi13:22:121:52:098:345:40
8:19
#20225
25K
15.53 mi13:43:532:13:508:3721:41
8:57
#20365
30K
18.64 mi14:12:322:42:298:4328:39
9:14
#20421
20M
20.00 mi14:24:592:54:568:4512:27
9:10
#20358
21M
21.00 mi14:34:193:04:168:479:20
9:20
#20221
35K
21.75 mi14:41:433:11:408:497:24
9:54
#20366
23M
23.00 mi14:53:263:23:238:5111:43
9:22
#20341
24M
24.00 mi15:03:063:33:038:539:40
9:40
#20427
40K
24.85 mi15:11:553:41:528:568:49
10:19
#20554
25.2M
25.20 mi15:15:243:45:218:573:29
10:07
#20556
FINISH
26.22 mi15:24:363:54:338:589:12
9:02
#20577
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi213428356835620320(Top 70%)7757(Top 62%)7757(Top 136%)
10K6.21 mi3.10 mi20797+5458043+3138043+31320264(Top 70%)7730(Top 61%)7730(Top 135%)
15K9.32 mi3.11 mi20627+1707936+1077936+10720320(Top 70%)7757(Top 62%)7757(Top 136%)
20K12.43 mi3.11 mi20289+3387778+1587778+15819470(Top 67%)7338(Top 58%)7338(Top 128%)
HALF13.11 mi0.68 mi20225+647750+287750+2819117(Top 66%)7088(Top 56%)7088(Top 124%)
25K15.53 mi2.42 mi20365-1407823-737823-7320910(Top 72%)8117(Top 65%)8117(Top 142%)
30K18.64 mi3.11 mi20421-567885-627885-6220622(Top 71%)8062(Top 64%)8062(Top 141%)
20M20.00 mi1.36 mi20358+637855+307855+3019714(Top 68%)7658(Top 61%)7658(Top 134%)
21M21.00 mi1.00 mi20221+1377795+607795+6017775(Top 61%)6660(Top 53%)6660(Top 117%)
35K21.75 mi0.75 mi20366-1457881-867881-8622860(Top 79%)9383(Top 75%)9383(Top 164%)
23M23.00 mi1.25 mi20341+257880+17880+120091(Top 69%)8016(Top 64%)8016(Top 140%)
24M24.00 mi1.00 mi20427-867940-607940-6021882(Top 75%)8971(Top 71%)8971(Top 157%)
40K24.85 mi0.85 mi20554-1278023-838023-8322750(Top 78%)9477(Top 75%)9477(Top 166%)
25.2M25.20 mi0.35 mi20556-28026-38026-319755(Top 68%)7931(Top 63%)7931(Top 139%)
FINISH26.22 mi1.02 mi20577-218049-238049-2320633(Top 71%)8381(Top 67%)8381(Top 147%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21
+97ft-345ft

Overall

20320

Females

7757

F18-39

7757

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20264

Females

7730

F18-39

7730

10K→15K

6.2 - 9.3 mi

Top 70%
×3
+67ft-78ft

Overall

20320

Females

7757

F18-39

7757

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19470

Females

7338

F18-39

7338

20K→HALF

12.4 - 13.1 mi

Top 66%
×2
+19ft-37ft

Overall

19117

Females

7088

F18-39

7088

HALF→25K

13.1 - 15.5 mi

Top 72%
×4
+66ft-88ft

Overall

20910

Females

8117

F18-39

8117

25K→30K

15.5 - 18.6 mi

Top 71%
×9
+181ft-148ft

Overall

20622

Females

8062

F18-39

8062

30K→20M

18.6 - 20.0 mi

Top 68%
×5
+64ft-50ft

Overall

19714

Females

7658

F18-39

7658

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17775

Females

6660

F18-39

6660

21M→35K

21.0 - 21.8 mi

Top 79%
×7
+17ft-86ft

Overall

22860

Females

9383

F18-39

9383

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

20091

Females

8016

F18-39

8016

23M→24M

23.0 - 24.0 mi

Top 75%
×6
+12ft-82ft

Overall

21882

Females

8971

F18-39

8971

24M→40K

24.0 - 24.9 mi

Top 78%
×1
+6ft-20ft

Overall

22750

Females

9477

F18-39

9477

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19755

Females

7931

F18-39

7931

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20633

Females

8381

F18-39

8381

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2131*
Passed By
1323
Net Change
+765
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21342
5K → 10K660*115+545#21342#20797
10K → 15K295*125+170#20797#20627
15K → 20K366*28+338#20627#20289
20K → HALF728+64#20289#20225
HALF → 25K81200-140#20225#20365
25K → 30K166200-56#20365#20421
30K → 20M11754+63#20421#20358
20M → 21M15013+137#20358#20221
21M → 35K14159-145#20221#20366
35K → 23M7954+25#20366#20341
23M → 24M35121-86#20341#20427
24M → 40K21148-127#20427#20554
40K → 25.2M2426-2#20554#20556
25.2M → FINISH5172-21#20556#20577
TOTALS2131*1323+765

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing