All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Emily Nelson

Bib: 16815•F

UT

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
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
28:28
3.11 mi
Rank: #23344
Start → 5K
28:28 | 9:10/mi
10K
56:48
6.21 mi
Rank: #23339 (+5)
5K → 10K
28:20 | 9:08/mi
15K
1:24:54
9.32 mi
Rank: #23178 (+161)
10K → 15K
28:06 | 9:03/mi
20K
1:53:03
12.43 mi
Rank: #22926 (+252)
15K → 20K
28:09 | 9:04/mi
HALF
1:59:11
13.11 mi
Rank: #22916 (+10)
20K → HALF
6:08 | 9:00/mi
25K
2:21:40
15.53 mi
Rank: #22811 (+105)
HALF → 25K
22:29 | 9:17/mi
30K
2:52:07
18.64 mi
Rank: #22764 (+47)
25K → 30K
30:27 | 9:49/mi
20M
3:06:05
20.00 mi
Rank: #22799 (-35)
30K → 20M
13:58 | 10:17/mi
21M
3:16:38
21.00 mi
Rank: #22724 (+75)
20M → 21M
10:33 | 10:33/mi
35K
3:23:43
21.75 mi
Rank: #22694 (+30)
21M → 35K
7:05 | 9:29/mi
23M
3:36:03
23.00 mi
Rank: #22626 (+68)
35K → 23M
12:20 | 9:52/mi
24M
3:45:50
24.00 mi
Rank: #22606 (+20)
23M → 24M
9:47 | 9:47/mi
40K
3:54:24
24.85 mi
Rank: #22574 (+32)
24M → 40K
8:34 | 10:02/mi
25.2M
3:58:05
25.20 mi
Rank: #22548 (+26)
40K → 25.2M
3:41 | 10:41/mi
FINISH
4:07:22
26.22 mi
Rank: #22495 (+53)
25.2M → FINISH
9:17 | 9:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:59:11
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:08:11
Pace9:47 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:0228:289:1028:28
9:10
-
10K
6.21 mi11:39:2256:489:0928:20
9:08
-0:02
15K
9.32 mi12:07:281:24:549:0728:06
9:03
-0:05
20K
12.43 mi12:35:371:53:039:0628:09
9:04
+0:01
HALF
13.11 mi12:41:451:59:119:066:08
9:00
-0:04
25K
15.53 mi13:04:142:21:409:0822:29
9:17
+0:17
30K
18.64 mi13:34:412:52:079:1430:27
9:49
+0:32
20M
20.00 mi13:48:393:06:059:1913:58
10:17
+0:28
21M
21.00 mi13:59:123:16:389:2210:33
10:33
+0:16
35K
21.75 mi14:06:173:23:439:237:05
9:29
-1:04
23M
23.00 mi14:18:373:36:039:2412:20
9:52
+0:23
24M
24.00 mi14:28:243:45:509:259:47
9:47
-0:05
40K
24.85 mi14:36:583:54:249:268:34
10:02
+0:15
25.2M
25.20 mi14:40:393:58:059:273:41
10:41
+0:39
FINISH
26.22 mi14:49:564:07:229:279:17
9:07
-1:34

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

9:00 /mi

Average Pace

9:26 /mi

Slowest Pace

10:41 /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

3:30:36

85% of race

Time at Steady Pace

33:05

13% of race

Time at Slower Pace

3:41

1% of race

Average Pace: 9:26 /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 mi11:11:0228:289:1028:28
9:10
#23344
10K
6.21 mi11:39:2256:489:0928:20
9:08
#23339
15K
9.32 mi12:07:281:24:549:0728:06
9:03
#23178
20K
12.43 mi12:35:371:53:039:0628:09
9:04
#22926
HALF
13.11 mi12:41:451:59:119:066:08
9:00
#22916
25K
15.53 mi13:04:142:21:409:0822:29
9:17
#22811
30K
18.64 mi13:34:412:52:079:1430:27
9:49
#22764
20M
20.00 mi13:48:393:06:059:1913:58
10:17
#22799
21M
21.00 mi13:59:123:16:389:2210:33
10:33
#22724
35K
21.75 mi14:06:173:23:439:237:05
9:29
#22694
23M
23.00 mi14:18:373:36:039:2412:20
9:52
#22626
24M
24.00 mi14:28:243:45:509:259:47
9:47
#22606
40K
24.85 mi14:36:583:54:249:268:34
10:02
#22574
25.2M
25.20 mi14:40:393:58:059:273:41
10:41
#22548
FINISH
26.22 mi14:49:564:07:229:279:17
9:07
#22495
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 mi233449344934422909(Top 79%)9097(Top 72%)9097(Top 159%)
10K6.21 mi3.10 mi23339+59331+139331+1323320(Top 80%)9312(Top 74%)9312(Top 163%)
15K9.32 mi3.11 mi23178+1619236+959236+9522909(Top 79%)9097(Top 72%)9097(Top 159%)
20K12.43 mi3.11 mi22926+2529124+1129124+11222208(Top 77%)8769(Top 70%)8769(Top 153%)
HALF13.11 mi0.68 mi22916+109115+99115+922789(Top 79%)9058(Top 72%)9058(Top 158%)
25K15.53 mi2.42 mi22811+1059077+389077+3822308(Top 77%)8836(Top 70%)8836(Top 155%)
30K18.64 mi3.11 mi22764+479078-19078-122575(Top 78%)9063(Top 72%)9063(Top 159%)
20M20.00 mi1.36 mi22799-359117-399117-3923318(Top 80%)9544(Top 76%)9544(Top 167%)
21M21.00 mi1.00 mi22724+759095+229095+2222101(Top 76%)8941(Top 71%)8941(Top 156%)
35K21.75 mi0.75 mi22694+309088+79088+721690(Top 75%)8799(Top 70%)8799(Top 154%)
23M23.00 mi1.25 mi22626+689073+159073+1521730(Top 75%)8860(Top 70%)8860(Top 155%)
24M24.00 mi1.00 mi22606+209076-39076-322214(Top 77%)9151(Top 73%)9151(Top 160%)
40K24.85 mi0.85 mi22574+329081-59081-522000(Top 76%)9100(Top 72%)9100(Top 159%)
25.2M25.20 mi0.35 mi22548+269070+119070+1121631(Top 75%)8891(Top 71%)8891(Top 156%)
FINISH26.22 mi1.02 mi22495+539050+209050+2020991(Top 72%)8576(Top 68%)8576(Top 150%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22909

Females

9097

F18-39

9097

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23320

Females

9312

F18-39

9312

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22909

Females

9097

F18-39

9097

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22208

Females

8769

F18-39

8769

20K→HALF

12.4 - 13.1 mi

Top 79%
×2
+19ft-37ft

Overall

22789

Females

9058

F18-39

9058

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22308

Females

8836

F18-39

8836

25K→30K

15.5 - 18.6 mi

Top 78%
×9
+181ft-148ft

Overall

22575

Females

9063

F18-39

9063

30K→20M

18.6 - 20.0 mi

Top 80%
×5
+64ft-50ft

Overall

23318

Females

9544

F18-39

9544

20M→21M

20.0 - 21.0 mi

Top 76%
×8
+106ft-24ft

Overall

22101

Females

8941

F18-39

8941

21M→35K

21.0 - 21.8 mi

Top 75%
×7
+17ft-86ft

Overall

21690

Females

8799

F18-39

8799

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21730

Females

8860

F18-39

8860

23M→24M

23.0 - 24.0 mi

Top 77%
×6
+12ft-82ft

Overall

22214

Females

9151

F18-39

9151

24M→40K

24.0 - 24.9 mi

Top 76%
×1
+6ft-20ft

Overall

22000

Females

9100

F18-39

9100

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1
+13ft-16ft

Overall

21631

Females

8891

F18-39

8891

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20991

Females

8576

F18-39

8576

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1746
Passed By
897
Net Change
+849
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23344
5K → 10K242237+5#23344#23339
10K → 15K25998+161#23339#23178
15K → 20K29947+252#23178#22926
20K → HALF3323+10#22926#22916
HALF → 25K16964+105#22916#22811
25K → 30K193146+47#22811#22764
30K → 20M6499-35#22764#22799
20M → 21M10631+75#22799#22724
21M → 35K5323+30#22724#22694
35K → 23M10234+68#22694#22626
23M → 24M5939+20#22626#22606
24M → 40K6230+32#22606#22574
40K → 25.2M3913+26#22574#22548
25.2M → FINISH6613+53#22548#22495
TOTALS1746897+849
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing