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BOSTON MARATHON 2025

Danielle Mcniff

Bib: 27036•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:38
Rank: #13197
Start → 5K
7:36/mi
23:38 split
10K· 6.21 mi
47:30
Rank: #13445 (-248)
5K → 10K
7:41/mi
23:52 split
15K· 9.32 mi
1:11:45
Rank: #13725 (-280)
10K → 15K
7:48/mi
24:15 split
20K· 12.43 mi
1:36:06
Rank: #13647 (+78)
15K → 20K
7:50/mi
24:21 split
Half· 13.11 mi
1:41:28
Rank: #13714 (-67)
20K → Half
7:52/mi
5:22 split
25K· 15.53 mi
2:00:31
Rank: #13513 (+201)
Half → 25K
7:51/mi
19:03 split
30K· 18.64 mi
2:25:12
Rank: #12985 (+528)
25K → 30K
7:57/mi
24:41 split
20M
2:36:10
Rank: #12804 (+181)
30K → 20M
8:04/mi
10:58 split
21M
2:44:28
Rank: #12547 (+257)
20M → 21M
8:18/mi
8:18 split
35K· 21.75 mi
2:50:17
Rank: #12460 (+87)
21M → 35K
7:46/mi
5:49 split
23M
3:00:18
Rank: #12278 (+182)
35K → 23M
8:00/mi
10:01 split
24M
3:08:08
Rank: #12162 (+116)
23M → 24M
7:50/mi
7:50 split
40K· 24.85 mi
3:15:03
Rank: #12083 (+79)
24M → 40K
8:05/mi
6:55 split
25.2M
3:17:58
Rank: #12001 (+82)
40K → 25.2M
8:27/mi
2:55 split
Finish· 26.22 mi
3:25:15
Rank: #11768 (+233)
25.2M → Finish
7:09/mi
7:17 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:28
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:43:47
Pace7:55 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:4823:387:3623:38
7:36
-
10K
6.21 mi12:03:4047:307:3923:52
7:41
+0:05
15K
9.32 mi12:27:551:11:457:4224:15
7:48
+0:07
20K
12.43 mi12:52:161:36:067:4424:21
7:50
+0:02
Half
13.11 mi12:57:381:41:287:445:22
7:52
+0:02
25K
15.53 mi13:16:412:00:317:4519:03
7:51
-0:01
30K
18.64 mi13:41:222:25:127:4724:41
7:57
+0:06
20M
20.00 mi13:52:202:36:107:4810:58
8:04
+0:07
21M
21.00 mi14:00:382:44:287:508:18
8:18
+0:14
35K
21.75 mi14:06:272:50:177:505:49
7:46
-0:32
23M
23.00 mi14:16:283:00:187:5010:01
8:00
+0:14
24M
24.00 mi14:24:183:08:087:507:50
7:50
-0:10
40K
24.85 mi14:31:133:15:037:516:55
8:05
+0:15
25.2M
25.20 mi14:34:083:17:587:512:55
8:27
+0:22
Finish
26.22 mi14:41:253:25:157:507:17
7:09
-1:18

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

7:09 /mi

Average Pace

7:50 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:05

66% of race

Time at Steady Pace

1:06:15

32% of race

Time at Slower Pace

2:55

1% of race

Average Pace: 7:50 /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 mi11:39:4823:387:3623:38
7:36
#13197
10K
6.21 mi12:03:4047:307:3923:52
7:41
#13445
15K
9.32 mi12:27:551:11:457:4224:15
7:48
#13725
20K
12.43 mi12:52:161:36:067:4424:21
7:50
#13647
Half
13.11 mi12:57:381:41:287:445:22
7:52
#13714
25K
15.53 mi13:16:412:00:317:4519:03
7:51
#13513
30K
18.64 mi13:41:222:25:127:4724:41
7:57
#12985
20M
20.00 mi13:52:202:36:107:4810:58
8:04
#12804
21M
21.00 mi14:00:382:44:287:508:18
8:18
#12547
35K
21.75 mi14:06:272:50:177:505:49
7:46
#12460
23M
23.00 mi14:16:283:00:187:5010:01
8:00
#12278
24M
24.00 mi14:24:183:08:087:507:50
7:50
#12162
40K
24.85 mi14:31:133:15:037:516:55
8:05
#12083
25.2M
25.20 mi14:34:083:17:587:512:55
8:27
#12001
Finish
26.22 mi14:41:253:25:157:507:17
7:09
#11768
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131973434343414419(Top 51%)4263(Top 35%)4263(Top 78%)
10K6.21 mi3.10 mi13445-2483615-1813615-18113723(Top 48%)3790(Top 31%)3790(Top 69%)
15K9.32 mi3.11 mi13725-2803811-1963811-19614419(Top 51%)4263(Top 35%)4263(Top 78%)
20K12.43 mi3.11 mi13647+783807+43807+413572(Top 48%)3854(Top 32%)3854(Top 70%)
Half13.11 mi0.68 mi13714-673862-553862-5514804(Top 52%)4482(Top 37%)4482(Top 82%)
25K15.53 mi2.42 mi13513+2013778+843778+8412818(Top 45%)3569(Top 29%)3569(Top 65%)
30K18.64 mi3.11 mi12985+5283543+2353543+23511004(Top 39%)2791(Top 23%)2791(Top 51%)
20M20.00 mi1.36 mi12804+1813469+743469+7410921(Top 38%)2908(Top 24%)2908(Top 53%)
21M21.00 mi1.00 mi12547+2573363+1063363+1069262(Top 33%)2286(Top 19%)2286(Top 42%)
35K21.75 mi0.75 mi12460+873342+213342+2110676(Top 38%)2947(Top 24%)2947(Top 54%)
23M23.00 mi1.25 mi12278+1823285+573285+5710061(Top 35%)2773(Top 23%)2773(Top 51%)
24M24.00 mi1.00 mi12162+1163253+323253+3210101(Top 36%)2865(Top 23%)2865(Top 52%)
40K24.85 mi0.85 mi12083+793250+33250+310809(Top 38%)3318(Top 27%)3318(Top 61%)
25.2M25.20 mi0.35 mi12001+823225+253225+258657(Top 30%)2370(Top 19%)2370(Top 43%)
Finish26.22 mi1.02 mi11768+2333142+833142+836744(Top 24%)1565(Top 13%)1565(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

14419

Females

4263

F18-39

4263

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13723

Females

3790

F18-39

3790

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

14419

Females

4263

F18-39

4263

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13572

Females

3854

F18-39

3854

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14804

Females

4482

F18-39

4482

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12818

Females

3569

F18-39

3569

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

11004

Females

2791

F18-39

2791

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10921

Females

2908

F18-39

2908

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9262

Females

2286

F18-39

2286

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10676

Females

2947

F18-39

2947

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

10061

Females

2773

F18-39

2773

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

10101

Females

2865

F18-39

2865

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10809

Females

3318

F18-39

3318

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8657

Females

2370

F18-39

2370

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6744

Females

1565

F18-39

1565

Passing Analysis

Category:
Athletes Passed
2761
Passed By
1332
Net Change
+1429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13197
5K → 10K187435-248#13197#13445
10K → 15K122402-280#13445#13725
15K → 20K234156+78#13725#13647
20K → Half1784-67#13647#13714
Half → 25K26968+201#13714#13513
25K → 30K56133+528#13513#12985
30K → 20M21736+181#12985#12804
20M → 21M2658+257#12804#12547
21M → 35K11730+87#12547#12460
35K → 23M19816+182#12460#12278
23M → 24M13822+116#12278#12162
24M → 40K11334+79#12162#12083
40K → 25.2M864+82#12083#12001
25.2M → Finish2374+233#12001#11768
TOTALS27611332+1429
📊

Passing Visuals

Category:
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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