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BOSTON MARATHON 2026

Emma Duffy

Bib: 32352•F

MA

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0:00
0:00
/ mi
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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
35:56
3.11 mi
Rank: #28567
Start → 5K
35:56 | 11:34/mi
10K
1:13:11
6.21 mi
Rank: #28592 (-25)
5K → 10K
37:15 | 12:00/mi
15K
1:52:50
9.32 mi
Rank: #28698 (-106)
10K → 15K
39:39 | 12:46/mi
20K
2:31:44
12.43 mi
Rank: #28624 (+74)
15K → 20K
38:54 | 12:32/mi
HALF
2:39:35
13.11 mi
Rank: #28600 (+24)
20K → HALF
7:51 | 11:31/mi
25K
3:09:34
15.53 mi
Rank: #28465 (+135)
HALF → 25K
29:59 | 12:22/mi
30K
3:53:40
18.64 mi
Rank: #28495 (-30)
25K → 30K
44:06 | 14:12/mi
20M
4:10:24
20.00 mi
Rank: #28411 (+84)
30K → 20M
16:44 | 12:20/mi
21M
4:23:18
21.00 mi
Rank: #28338 (+73)
20M → 21M
12:54 | 12:54/mi
35K
4:32:09
21.75 mi
Rank: #28286 (+52)
21M → 35K
8:51 | 11:50/mi
23M
4:47:30
23.00 mi
Rank: #28230 (+56)
35K → 23M
15:21 | 12:16/mi
24M
4:59:16
24.00 mi
Rank: #28173 (+57)
23M → 24M
11:46 | 11:46/mi
40K
5:10:02
24.85 mi
Rank: #28137 (+36)
24M → 40K
10:46 | 12:36/mi
25.2M
5:14:20
25.20 mi
Rank: #28112 (+25)
40K → 25.2M
4:18 | 12:29/mi
FINISH
5:25:53
26.22 mi
Rank: #28067 (+45)
25.2M → FINISH
11:33 | 11:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:39:35
Pace12:11 /mi
2nd Half
Distance13.11 mi
Time2:46:18
Pace12:42 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:06:1635:5611:3435:56
11:34
-
10K
6.21 mi12:43:311:13:1111:4737:15
12:00
+0:26
15K
9.32 mi13:23:101:52:5012:0739:39
12:46
+0:46
20K
12.43 mi14:02:042:31:4412:1338:54
12:32
-0:14
HALF
13.11 mi14:09:552:39:3512:117:51
11:31
-1:01
25K
15.53 mi14:39:543:09:3412:1329:59
12:22
+0:51
30K
18.64 mi15:24:003:53:4012:3344:06
14:12
+1:50
20M
20.00 mi15:40:444:10:2412:3216:44
12:20
-1:52
21M
21.00 mi15:53:384:23:1812:3312:54
12:54
+0:34
35K
21.75 mi16:02:294:32:0912:318:51
11:50
-1:04
23M
23.00 mi16:17:504:47:3012:3115:21
12:16
+0:26
24M
24.00 mi16:29:364:59:1612:2911:46
11:46
-0:30
40K
24.85 mi16:40:225:10:0212:2910:46
12:36
+0:50
25.2M
25.20 mi16:44:405:14:2012:294:18
12:29
-0:07
FINISH
26.22 mi16:56:135:25:5312:2711:33
11:21
-1:08

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

11:21 /mi

Average Pace

12:26 /mi

Slowest Pace

14:12 /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

1:15:57

23% of race

Time at Steady Pace

2:33:17

47% of race

Time at Slower Pace

1:36:39

30% of race

Average Pace: 12:26 /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 mi12:06:1635:5611:3435:56
11:34
#28567
10K
6.21 mi12:43:311:13:1111:4737:15
12:00
#28592
15K
9.32 mi13:23:101:52:5012:0739:39
12:46
#28698
20K
12.43 mi14:02:042:31:4412:1338:54
12:32
#28624
HALF
13.11 mi14:09:552:39:3512:117:51
11:31
#28600
25K
15.53 mi14:39:543:09:3412:1329:59
12:22
#28465
30K
18.64 mi15:24:003:53:4012:3344:06
14:12
#28495
20M
20.00 mi15:40:444:10:2412:3216:44
12:20
#28411
21M
21.00 mi15:53:384:23:1812:3312:54
12:54
#28338
35K
21.75 mi16:02:294:32:0912:318:51
11:50
#28286
23M
23.00 mi16:17:504:47:3012:3115:21
12:16
#28230
24M
24.00 mi16:29:364:59:1612:2911:46
11:46
#28173
40K
24.85 mi16:40:225:10:0212:2910:46
12:36
#28137
25.2M
25.20 mi16:44:405:14:2012:294:18
12:29
#28112
FINISH
26.22 mi16:56:135:25:5312:2711:33
11:21
#28067
Faster pace
Steady pace
Slower pace

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 mi28567122641226428755(Top 99%)12403(Top 99%)12403(Top 217%)
10K6.21 mi3.10 mi28592-2512284-2012284-2028579(Top 98%)12276(Top 98%)12276(Top 215%)
15K9.32 mi3.11 mi28698-10612355-7112355-7128755(Top 99%)12403(Top 99%)12403(Top 217%)
20K12.43 mi3.11 mi28624+7412311+4412311+4428370(Top 98%)12161(Top 97%)12161(Top 213%)
HALF13.11 mi0.68 mi28600+2412298+1312298+1327896(Top 96%)11898(Top 95%)11898(Top 208%)
25K15.53 mi2.42 mi28465+13512207+9112207+9127820(Top 96%)11842(Top 94%)11842(Top 207%)
30K18.64 mi3.11 mi28495-3012239-3212239-3228473(Top 98%)12287(Top 98%)12287(Top 215%)
20M20.00 mi1.36 mi28411+8412183+5612183+5626780(Top 92%)11399(Top 91%)11399(Top 199%)
21M21.00 mi1.00 mi28338+7312138+4512138+4526253(Top 90%)11147(Top 89%)11147(Top 195%)
35K21.75 mi0.75 mi28286+5212104+3412104+3426551(Top 91%)11335(Top 90%)11335(Top 198%)
23M23.00 mi1.25 mi28230+5612076+2812076+2826502(Top 91%)11329(Top 90%)11329(Top 198%)
24M24.00 mi1.00 mi28173+5712052+2412052+2426317(Top 91%)11280(Top 90%)11280(Top 197%)
40K24.85 mi0.85 mi28137+3612030+2212030+2226639(Top 92%)11471(Top 91%)11471(Top 201%)
25.2M25.20 mi0.35 mi28112+2512014+1612014+1625329(Top 87%)10796(Top 86%)10796(Top 189%)
FINISH26.22 mi1.02 mi28067+4511993+2111993+2126670(Top 92%)11485(Top 91%)11485(Top 201%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28755

Females

12403

F18-39

12403

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28579

Females

12276

F18-39

12276

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28755

Females

12403

F18-39

12403

15K→20K

9.3 - 12.4 mi

Top 98%
×5
+106ft-86ft

Overall

28370

Females

12161

F18-39

12161

20K→HALF

12.4 - 13.1 mi

Top 96%
×2
+19ft-37ft

Overall

27896

Females

11898

F18-39

11898

HALF→25K

13.1 - 15.5 mi

Top 96%
×4
+66ft-88ft

Overall

27820

Females

11842

F18-39

11842

25K→30K

15.5 - 18.6 mi

Top 98%
×9
+181ft-148ft

Overall

28473

Females

12287

F18-39

12287

30K→20M

18.6 - 20.0 mi

Top 92%
×5
+64ft-50ft

Overall

26780

Females

11399

F18-39

11399

20M→21M

20.0 - 21.0 mi

Top 90%
×8
+106ft-24ft

Overall

26253

Females

11147

F18-39

11147

21M→35K

21.0 - 21.8 mi

Top 91%
×7
+17ft-86ft

Overall

26551

Females

11335

F18-39

11335

35K→23M

21.8 - 23.0 mi

Top 91%
×5
+23ft-63ft

Overall

26502

Females

11329

F18-39

11329

23M→24M

23.0 - 24.0 mi

Top 91%
×6
+12ft-82ft

Overall

26317

Females

11280

F18-39

11280

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26639

Females

11471

F18-39

11471

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1
+13ft-16ft

Overall

25329

Females

10796

F18-39

10796

25.2M→FINISH

25.2 - 26.2 mi

Top 92%
×2
+22ft-21ft

Overall

26670

Females

11485

F18-39

11485

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
818
Passed By
318
Net Change
+500
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28567
5K → 10K6388-25#28567#28592
10K → 15K24130-106#28592#28698
15K → 20K8814+74#28698#28624
20K → HALF273+24#28624#28600
HALF → 25K1416+135#28600#28465
25K → 30K3262-30#28465#28495
30K → 20M851+84#28495#28411
20M → 21M730+73#28411#28338
21M → 35K531+52#28338#28286
35K → 23M648+56#28286#28230
23M → 24M570+57#28230#28173
24M → 40K382+36#28173#28137
40K → 25.2M250+25#28137#28112
25.2M → FINISH483+45#28112#28067
TOTALS818318+500
📊

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