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

Danielle Mcniff

Bib: 17635•F

MA

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
24:17
3.11 mi
Rank: #15576
Start → 5K
24:17 | 7:49/mi
10K
49:08
6.21 mi
Rank: #16372 (-796)
5K → 10K
24:51 | 8:00/mi
15K
1:14:20
9.32 mi
Rank: #16872 (-500)
10K → 15K
25:12 | 8:07/mi
20K
1:39:35
12.43 mi
Rank: #16893 (-21)
15K → 20K
25:15 | 8:08/mi
HALF
1:45:02
13.11 mi
Rank: #16906 (-13)
20K → HALF
5:27 | 8:00/mi
25K
2:05:20
15.53 mi
Rank: #17061 (-155)
HALF → 25K
20:18 | 8:23/mi
30K
2:32:22
18.64 mi
Rank: #17216 (-155)
25K → 30K
27:02 | 8:43/mi
20M
2:44:58
20.00 mi
Rank: #17464 (-248)
30K → 20M
12:36 | 9:17/mi
21M
2:55:11
21.00 mi
Rank: #17731 (-267)
20M → 21M
10:13 | 10:13/mi
35K
3:02:03
21.75 mi
Rank: #17854 (-123)
21M → 35K
6:52 | 9:11/mi
23M
3:13:54
23.00 mi
Rank: #18027 (-173)
35K → 23M
11:51 | 9:29/mi
24M
3:23:22
24.00 mi
Rank: #18233 (-206)
23M → 24M
9:28 | 9:28/mi
40K
3:31:40
24.85 mi
Rank: #18359 (-126)
24M → 40K
8:18 | 9:43/mi
25.2M
3:35:17
25.20 mi
Rank: #18421 (-62)
40K → 25.2M
3:37 | 10:30/mi
FINISH
3:44:33
26.22 mi
Rank: #18535 (-114)
25.2M → FINISH
9:16 | 9:06/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:02
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:59:31
Pace9:07 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5524:177:4924:17
7:49
-
10K
6.21 mi11:30:4649:087:5524:51
8:00
+0:11
15K
9.32 mi11:55:581:14:207:5925:12
8:07
+0:07
20K
12.43 mi12:21:131:39:358:0125:15
8:08
+0:01
HALF
13.11 mi12:26:401:45:028:015:27
8:00
-0:08
25K
15.53 mi12:46:582:05:208:0520:18
8:23
+0:23
30K
18.64 mi13:14:002:32:228:1127:02
8:43
+0:20
20M
20.00 mi13:26:362:44:588:1512:36
9:17
+0:34
21M
21.00 mi13:36:492:55:118:2110:13
10:13
+0:56
35K
21.75 mi13:43:413:02:038:236:52
9:11
-1:02
23M
23.00 mi13:55:323:13:548:2611:51
9:29
+0:18
24M
24.00 mi14:05:003:23:228:299:28
9:28
-0:01
40K
24.85 mi14:13:183:31:408:318:18
9:43
+0:15
25.2M
25.20 mi14:16:553:35:178:333:37
10:30
+0:47
FINISH
26.22 mi14:26:113:44:338:359:16
9:06
-1:24

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

7:49 /mi

Average Pace

8:34 /mi

Slowest Pace

10:30 /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

2:05:20

56% of race

Time at Steady Pace

1:17:05

34% of race

Time at Slower Pace

22:08

10% of race

Average Pace: 8:34 /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 mi11:05:5524:177:4924:17
7:49
#15576
10K
6.21 mi11:30:4649:087:5524:51
8:00
#16372
15K
9.32 mi11:55:581:14:207:5925:12
8:07
#16872
20K
12.43 mi12:21:131:39:358:0125:15
8:08
#16893
HALF
13.11 mi12:26:401:45:028:015:27
8:00
#16906
25K
15.53 mi12:46:582:05:208:0520:18
8:23
#17061
30K
18.64 mi13:14:002:32:228:1127:02
8:43
#17216
20M
20.00 mi13:26:362:44:588:1512:36
9:17
#17464
21M
21.00 mi13:36:492:55:118:2110:13
10:13
#17731
35K
21.75 mi13:43:413:02:038:236:52
9:11
#17854
23M
23.00 mi13:55:323:13:548:2611:51
9:29
#18027
24M
24.00 mi14:05:003:23:228:299:28
9:28
#18233
40K
24.85 mi14:13:183:31:408:318:18
9:43
#18359
25.2M
25.20 mi14:16:553:35:178:333:37
10:30
#18421
FINISH
26.22 mi14:26:113:44:338:359:16
9:06
#18535
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 mi155765049504917797(Top 61%)6365(Top 51%)6365(Top 111%)
10K6.21 mi3.10 mi16372-7965553-5045553-50417243(Top 59%)6058(Top 48%)6058(Top 106%)
15K9.32 mi3.11 mi16872-5005847-2945847-29417797(Top 61%)6365(Top 51%)6365(Top 111%)
20K12.43 mi3.11 mi16893-215875-285875-2817055(Top 59%)5970(Top 47%)5970(Top 104%)
HALF13.11 mi0.68 mi16906-135881-65881-617159(Top 59%)6018(Top 48%)6018(Top 105%)
25K15.53 mi2.42 mi17061-1555977-965977-9617831(Top 61%)6470(Top 51%)6470(Top 113%)
30K18.64 mi3.11 mi17216-1556083-1066083-10618040(Top 62%)6697(Top 53%)6697(Top 117%)
20M20.00 mi1.36 mi17464-2486239-1566239-15620192(Top 70%)7906(Top 63%)7906(Top 138%)
21M21.00 mi1.00 mi17731-2676415-1766415-17621122(Top 73%)8443(Top 67%)8443(Top 148%)
35K21.75 mi0.75 mi17854-1236504-896504-8920726(Top 71%)8298(Top 66%)8298(Top 145%)
23M23.00 mi1.25 mi18027-1736632-1286632-12820505(Top 71%)8208(Top 65%)8208(Top 144%)
24M24.00 mi1.00 mi18233-2066764-1326764-13221232(Top 73%)8651(Top 69%)8651(Top 151%)
40K24.85 mi0.85 mi18359-1266843-796843-7921079(Top 73%)8611(Top 68%)8611(Top 151%)
25.2M25.20 mi0.35 mi18421-626883-406883-4021026(Top 72%)8568(Top 68%)8568(Top 150%)
FINISH26.22 mi1.02 mi18535-1146964-816964-8120913(Top 72%)8529(Top 68%)8529(Top 149%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21
+97ft-345ft

Overall

17797

Females

6365

F18-39

6365

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17243

Females

6058

F18-39

6058

10K→15K

6.2 - 9.3 mi

Top 61%
×3
+67ft-78ft

Overall

17797

Females

6365

F18-39

6365

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17055

Females

5970

F18-39

5970

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17159

Females

6018

F18-39

6018

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17831

Females

6470

F18-39

6470

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

18040

Females

6697

F18-39

6697

30K→20M

18.6 - 20.0 mi

Top 70%
×5
+64ft-50ft

Overall

20192

Females

7906

F18-39

7906

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21122

Females

8443

F18-39

8443

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20726

Females

8298

F18-39

8298

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20505

Females

8208

F18-39

8208

23M→24M

23.0 - 24.0 mi

Top 73%
×6
+12ft-82ft

Overall

21232

Females

8651

F18-39

8651

24M→40K

24.0 - 24.9 mi

Top 73%
×1
+6ft-20ft

Overall

21079

Females

8611

F18-39

8611

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

21026

Females

8568

F18-39

8568

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20913

Females

8529

F18-39

8529

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
833
Passed By
3792
Net Change
-2959
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15576
5K → 10K61857-796#15576#16372
10K → 15K78578-500#16372#16872
15K → 20K168189-21#16872#16893
20K → HALF3144-13#16893#16906
HALF → 25K91246-155#16906#17061
25K → 30K158313-155#17061#17216
30K → 20M35283-248#17216#17464
20M → 21M25292-267#17464#17731
21M → 35K30153-123#17731#17854
35K → 23M51224-173#17854#18027
23M → 24M29235-206#18027#18233
24M → 40K23149-126#18233#18359
40K → 25.2M1678-62#18359#18421
25.2M → FINISH37151-114#18421#18535
TOTALS8333792-2959
📊

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